Homepage | Columbia University in the City of New York

https://www.columbia.edu/

2019-05-31 13:48:25



seoanaliz Tespit Edilen 16 sorun var
SEO Score : 42.9

Puan

Meta

sayfa başlığı

Homepage | Columbia University in the City of New York

Sayfa Başlığınız 60 Karakteri Geçmiyor. Bu Iyi.

Meta Açıklaması



Sitenizde Herhangi Bir Meta Açıklama Yok.

Meta Anahtar Kelime

( Bu özellik artık kullanılmıyor )
Meta Anahtar Kelime :
Key

Tekli Anahtar Kelimeler

Keyword Tekrar Yoğunluk
Columbia 14 3.097 %
Center 8 1.77 %
University 7 1.549 %
health 6 1.327 %
York 6 1.327 %
Community 5 1.106 %
community 5 1.106 %
NY 5 1.106 %
Medical 3 0.664 %
Academic 3 0.664 %
News 3 0.664 %
program 3 0.664 %
Shuttle 3 0.664 %
academic 2 0.442 %
Calendar 2 0.442 %
Broadway 2 0.442 %
Events 2 0.442 %
Discovery 2 0.442 %
View 2 0.442 %
Athletics 2 0.442 %

İki Kelimeli Anahtar Kelimeler

Keyword Tekrar Yoğunluk
New York 6 1.327 %
Columbia University 5 1.106 %
York NY 4 0.885 %
Medical Center 3 0.664 %
Broadway New 2 0.442 %
Academic Calendar 2 0.442 %
and Broadway 2 0.442 %
NY 10027 2 0.442 %
10027 2128541754 2 0.442 %
and other 2 0.442 %
Community Scholars 2 0.442 %
Wellness Center 2 0.442 %
St New 2 0.442 %
Double Discovery 2 0.442 %
Discovery Center 2 0.442 %
more about 2 0.442 %
in the 2 0.442 %
high school 2 0.442 %
Community Affairs 2 0.442 %
of the 2 0.442 %

Üç Kelimelik Anahtar Kelimeler

Keyword Tekrar Yoğunluk
New York NY 4 0.885 %
and Broadway New 2 0.442 %
Broadway New York 2 0.442 %
York NY 10027 2 0.442 %
NY 10027 2128541754 2 0.442 %
St New York 2 0.442 %
Double Discovery Center 2 0.442 %
Skip to main 1 0.221 %
Scholars The Community 1 0.221 %
communitybased scholars from 1 0.221 %
independent communitybased scholars 1 0.221 %
offers independent communitybased 1 0.221 %
program offers independent 1 0.221 %
Scholars program offers 1 0.221 %
Community Scholars program 1 0.221 %
The Community Scholars 1 0.221 %
are free Community 1 0.221 %
Community Scholars The 1 0.221 %
free Community Scholars 1 0.221 %
from Northern Manhattan 1 0.221 %

Dört kelime

Keyword Tekrar Yoğunluk
and Broadway New York 2 0.442 %
Broadway New York NY 2 0.442 %
New York NY 10027 2 0.442 %
York NY 10027 2128541754 2 0.442 %
St New York NY 2 0.442 %
Scholars The Community Scholars 1 0.221 %
scholars from Northern Manhattan 1 0.221 %
communitybased scholars from Northern 1 0.221 %
independent communitybased scholars from 1 0.221 %
offers independent communitybased scholars 1 0.221 %
program offers independent communitybased 1 0.221 %
Scholars program offers independent 1 0.221 %
Community Scholars program offers 1 0.221 %
The Community Scholars program 1 0.221 %
are free Community Scholars 1 0.221 %
Community Scholars The Community 1 0.221 %
free Community Scholars The 1 0.221 %
Northern Manhattan access to 1 0.221 %
services are free Community 1 0.221 %
All services are free 1 0.221 %
Text - Html
Toplam Kelimeler 452
Gereksiz Kodları Çıkarın Veya Daha Fazla Yazı Ekleyin
Metin / HTML Oranı Testi : 15%

HTML Başlıkları

H1(1)

  • Columbia University in the City of New York

H2(19)

  • Main navigation expanded
  • Celebrate Columbia's 265th Commencement
  • Congratulations Class of 2019
  • Columbia Announces Obama Presidency Oral History Project
  • Explore
  • News
  • Most Visited
  • Year of Water An Exploration of Earth's Most Precious Resource
  • Columbia Summer More than 50 Areas of Study
  • Events
  • Upcoming
  • Ongoing
  • World Science Festival Awaken Your Inner Genius
  • Facebook /Columbia
  • Instagram @columbia
  • Twitter @Columbia
  • Locations
  • Community
  • Follow Us

H3(1)

H4(0)

H5(0)

H6(0)

Robots & Xml

robot.txt

Sitenizde Robot.txt Yok.

Site haritası


Dahili Vs. Dış Bağlantılar

Toplam İç Bağlantılar 14
Toplam Dış Bağlantılar 58

Alexa Rank

Trafik sırası 1851
Reach Sıralaması 2129
En İyi Ülke United States
En İyi Ülke Sıralaması 599

Etki Alanı IP Bilgisi

ISP Columbia University
IP 128.59.105.24
organizasyon Columbia University
Şehir New York
ülke United States
Saat dilimi America/New_York
Boylam -73.976300
Enlem 40.800000

NoIndex, NoFollow, DoDollow Bağlantıları

Toplam NoIndex Bağlantıları 0
Toplam NoFollow Bağlantıları 0
Toplam DoFollow Bağlantıları 72
NoIndex Meta Robot Tarafından Etkinleştirildi? No
NoFollow Meta Robot Tarafından Etkinleştirildi? No

NoIndex
NoFollow

SEO Dostu Linkler

Sitenizin Linkleri SEO Dostudur.

favicon

Sitenizde Favicon Var.

Resim 'alt' Testi

Sitenizde1Alt Etiketi Olmayan Resimler.

Alt Etiketi Olmayan Resimler

  • /content/themes/custom/columbia/assets/img/cu-header.svg

DOC Türü

DOC Türü : <!DOCTYPE html>
Sayfada Doküman Türü Var

Amortismana tabi HTML Tag

Your site does not have any depreciated HTML tag.

HTML Sayfa Boyutu

HTML Sayfa Boyutu : 115 KB
HTML Sayfa Boyutu > 100KB . Sayfanızın Boyutunu Düşürün

GZIP Sıkıştırma

GZIP Sıkıştırması Devre Dışı.

Satır Içi CSS

Sitenizde (11)Satır Içi CSS

Satır içi CSS

  • <div id="hero-carousel-113" data-interval="6000" style="height:755px" ng-controller="carousel" ng-swipe-left="left('#hero-carousel-113')" ng-swipe-right="right('#hero-carousel-113')" class="field field--name-field-cu-www-hero-items field--type-entity-reference-revisions field--label-hidden carousel www-carousel slide carousel-fade"></div>
  • <div id="hero-image-bg-1674" class="field field--name-field-cu-image field--type-image field--label-hidden image-wrapper stellar hero-image-bg" data-image="https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/chris_taggart_commencement_college_walk_fish_bowl_low_library_crowds.jpg?h=541eb486&amp;itok=YGC_-PUe" style="background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/chris_taggart_commencement_college_walk_fish_bowl_low_library_crowds.jpg?h=541eb486&amp;itok=YGC_-PUe')" role="img" aria-label="Bird&#039;s eye view of College Walk filled with graduates and their guests in front of Low Library on a sunny day. "></div>
  • <div id="hero-image-bg-1632" class="field field--name-field-cu-image field--type-image field--label-hidden image-wrapper stellar hero-image-bg" data-image="https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/2018-commencement-diverse-flags-hero.jpg?itok=4GXjH7pR" style="background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/2018-commencement-diverse-flags-hero.jpg?itok=4GXjH7pR')" role="img" aria-label="A diverse group of students in their Columbia blue gowns, carrying flags from around the world during commencement."></div>
  • <div id="hero-image-bg-1661" class="field field--name-field-cu-image field--type-image field--label-hidden image-wrapper stellar hero-image-bg" data-image="https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/Obama.WhiteHouse.PeteSouza-oral-history-phone-hero.jpg?h=b6a571f2&amp;itok=xc3IKrYW" style="background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/Obama.WhiteHouse.PeteSouza-oral-history-phone-hero.jpg?h=b6a571f2&amp;itok=xc3IKrYW')" role="img" aria-label="President Obama at his desk in the Oval Office speaking on the phone. Photo by Pete Souza"></div>
  • <div class="card-inner row" style=""></div>
  • <div class="card-inner row" style=""></div>
  • <div id="hero-image-bg-1675" class="field field--name-field-cu-image field--type-image field--label-hidden image-wrapper stellar hero-image-bg" data-image="https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/AR2016_Cover_GI_510283578-stunning-lake-volcano-sunset-high-res.jpg?itok=mVZHUpRE" style="background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/AR2016_Cover_GI_510283578-stunning-lake-volcano-sunset-high-res.jpg?itok=mVZHUpRE')" role="img" aria-label="icy blue lake on volcanic rock"></div>
  • <div id="hero-image-bg-784" class="field field--name-field-cu-image field--type-image field--label-hidden image-wrapper stellar hero-image-bg" data-image="https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Medium%20Featured%20Boxes/columbia_summer_pagoda_gazebo.jpg?h=30d64dbf&amp;itok=Z9Q6JR1w" style="background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Medium%20Featured%20Boxes/columbia_summer_pagoda_gazebo.jpg?h=30d64dbf&amp;itok=Z9Q6JR1w')" role="img" aria-label="gazebo on campus during the summer"></div>
  • <div id="hero-image-bg-1693" class="field field--name-field-cu-image field--type-image field--label-hidden image-wrapper stellar hero-image-bg" data-image="https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Large%20Bleeding%20Image/world-science-festival-galaxy-outer-space-nebula-stars.jpg?itok=GoD1rnGq" style="background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Large%20Bleeding%20Image/world-science-festival-galaxy-outer-space-nebula-stars.jpg?itok=GoD1rnGq')" role="img" aria-label="Enhanced image of a nebula cloud and bright stars and galaxy in the vastness of outer space."></div>
  • <div class="card-inner row" style=""></div>
  • <div class="card-inner row" style=""></div>


Dahili CSS

Sitenizde Herhangi Bir Dahili Css Yok.

Mikro Veri Şeması Testi

Mikro Veri şema Testi. Site Başarısız...

IP & DNS Raporu

IPv4 128.59.105.24
IPv6 Not Compatiable
DNS Report
SLHostClassTTLTypePRITargetIP
1www.wwwr53.cc.columbia.eduIN58A128.59.105.24
2www.columbia.eduIN1284CNAMEwww.a.columbia.edu

IP Canonicalization Test

Site IP Testi Başarısız Oldu.

URL Kanonikleştirme Testi

Site URL Kanonikleştirme Testini Geçti.

Düz Metin E-posta Testi

Site, Düz Metin E-posta Testinde Başarısız Oldu.2- Düz Metin E-postası Bulundu.

Düz Metin E-posta Listesi

  • cumcgca@columbia.edu
  • cumcgca@columbia.edu


CURL Yanıt

urlhttps://www.columbia.edu/content typetext/html; charset=UTF-8
http code200header size479
request size137filetime-1
ssl verify result0redirect count0
total time0.910011namelookup time0.124899
connect time0.24357pretransfer time0.552926
size upload0size download117811
speed download129461speed upload0
download content length117811upload content length0
starttransfer time0.672402redirect time0
redirect urlprimary ip128.59.105.24
certinfoprimary port443
local ip185.216.113.91local port53858

Mobil Dost Kontrol


Mobil Dostu: Bilinmiyor

Score : Unknown

Yerelleştirilmiş Kural Adı Kural Etkisi
No data to show.
CMS:
yerel:
Robotlu Kaynaklar:
Geçici Getirme Arızası Kaynaklar:

Google Page Speed ​​Insight (Mobil)

SAYFA HIZI

Kullanılabilirlik Puanı


Sayfa İstatistikleri


numberResources83numberHosts11
totalRequestBytes13289numberStaticResources17
htmlResponseBytes188289textResponseBytes115625
overTheWireResponseBytes5111817cssResponseBytes531438
imageResponseBytes3877983javascriptResponseBytes1754015
otherResponseBytes221197numberJsResources17
numberCssResources4


İçeriği Gizleyen Geçiş Reklamı Yüklemek Uygulama Önlemek

Your Page Does Not Appear To Have Any App Install Interstitials That Hide A Significant Amount Of Content. .

Eklentileri kullanmaktan kaçının

Your Page Does Not Appear To Use Plugins, Which Would Prevent Content From Being Usable On Many Platforms. .

Viewportu Yapılandır

Your Page Specifies A Viewport Matching The Device's Size, Which Allows It To Render Properly On All Devices. .

Görüntüyü Görünüm Penceresine Boyutlandır

The page content is too wide for the viewport, forcing the user to scroll horizontally.
to provide a better user experience.

The Page Content Is 423CSS pixels wide, but the viewport is only 412CSS pixels wide. The following elements fall outside the viewport:

  • <span class="ss-social-regular ss-linkedin">
  • <span class="sr-only">linkedin</span>

Boyut Hedefleri Uygun Şekilde Daralt

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider to provide a better user experience.The following tap targets are close to other nearby tap targets and may need additional spacing around them.

  • The tap target <html class="js cssanimatio…ctive ng-scope">Columbia Unive…Cookie Notice.</html> is close to 1 other tap targets
  • The tap target <a id="top" href="#main-content" class="visually-hidde…able skip-link">Skip to main content</a> is close to 1 other tap targets
  • The tap target <li class="active"> is close to 1 other tap targets
  • The tap target <li> is close to 1 other tap targets
  • The tap target <a href="https://www.li…m/school/2624/">linkedin</a> is close to 1 other tap targets
  • The tap target <a href="http://health.…ility-services">Accessibility</a> is close to 1 other tap targets
  • The tap target <a href="https://cuit.c…-cookie-notice">Columbia Unive…Cookie Notice</a> is close to 1 other tap targets

Okunaklı Yazı Tipi Boyutlarını Kullanma

The Text On Your Page Is Legible. .

Açılış Sayfası Yönlendirmeleri

Your Page Has No Redirects.

GZIP Sıkıştırma

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
for the following resources to reduce their transfer size by 303KiB ( 78%reduction ).

  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/www-keywords.phpcould save 100.5KiB ( 82%reduction )
  • https://www.columbia.edu/could save 92.2KiB ( 80%reduction )
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/json-wrapper.php?url=https:%2F%2Fevents.columbia.edu%2Ffeeder%2Fmain%2FeventsFeed.do%3Ff%3Dy%26sort%3Ddtstart.utc:asc%26fexpr%3D(categories.href!%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Fsys%2FOngoing%2522)%2520and%2520(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Forg%2FUniversityEvents%2522)%26skinName%3Dlist-json%26count%3D4could save 28.9KiB ( 84%reduction )
  • https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-blue-logo.svgcould save 27.3KiB ( 66%reduction )
  • https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-header.svgcould save 27.3KiB ( 66%reduction )
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/json-wrapper.php?url=https:%2F%2Fevents.columbia.edu%2Ffeeder%2Fmain%2FeventsFeed.do%3Ff%3Dy%26sort%3Ddtstart.utc:asc%26fexpr%3D(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Fsys%2FOngoing%2522)%2520and%2520(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Forg%2FUniversityEvents%2522)%26skinName%3Dlist-json%26count%3D4could save 16KiB ( 81%reduction )
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/social-connect.phpcould save 10.4KiB ( 77%reduction )
  • https://www.youtube.com/iframe_apicould save 366B ( 43%reduction )

Tarayıcı Önbelleğini Kaldıraç Edin

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
for the following cacheable resources:

  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/social-connect.php
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/www-keywords.php
  • https://www.columbia.edu/content/sites/default/files/js/js_8CSf1BxVTOClQhYF6mFnQHpcP9XHbXsXzQ9T8j7hW-M.js
  • https://www.columbia.edu/content/sites/default/files/js/js_XW3CzNSAyFDjHDxXDA4nXNpfcR3R7vFsAPEk1nL17rA.js
  • https://www.columbia.edu/content/sites/default/files/js/js_wGf2-ANMvlq6bb02-QdWv4NpOGyBI6bSyLxMxxYJNbs.js
  • https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-blue-logo.svg
  • https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-header.svg
  • https://m.addthisedge.com/live/boost/ra-5321fb424ebb991b/_ate.track.config_resp
  • https://www.columbia.edu/content/json/alerts/local?_format=json
  • https://s7.addthis.com/js/300/addthis_widget.js
  • https://use.typekit.net/rke7urc.js
  • https://www.google-analytics.com/analytics.js

Sunucu Yanıt Süresi

Your Server Responded Quickly. .

CSS'yi minify

Your CSS Is Minified. .

HTML'yi minify

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
for the following resources to reduce their size by 13.2KiB ( 12%reduction ).

  • https://www.columbia.edu/could save 13.2KiB ( 12%reduction )

JavaScript'i küçült

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
for the following resources to reduce their size by 34KiB ( 28%reduction ).

  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/json-wrapper.php?url=https:%2F%2Fevents.columbia.edu%2Ffeeder%2Fmain%2FeventsFeed.do%3Ff%3Dy%26sort%3Ddtstart.utc:asc%26fexpr%3D(categories.href!%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Fsys%2FOngoing%2522)%2520and%2520(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Forg%2FUniversityEvents%2522)%26skinName%3Dlist-json%26count%3D4 could save 15.5KiB ( 46%reduction )
  • https://www.columbia.edu/content/sites/default/files/js/js_wGf2-ANMvlq6bb02-QdWv4NpOGyBI6bSyLxMxxYJNbs.js could save 9.8KiB ( 15%reduction )
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/json-wrapper.php?url=https:%2F%2Fevents.columbia.edu%2Ffeeder%2Fmain%2FeventsFeed.do%3Ff%3Dy%26sort%3Ddtstart.utc:asc%26fexpr%3D(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Fsys%2FOngoing%2522)%2520and%2520(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Forg%2FUniversityEvents%2522)%26skinName%3Dlist-json%26count%3D4 could save 8KiB ( 41%reduction )
  • https://www.columbia.edu/content/sites/default/files/js/js_8CSf1BxVTOClQhYF6mFnQHpcP9XHbXsXzQ9T8j7hW-M.js could save 779B ( 21%reduction )

JavaScript ve CSS'yi render engelleme

Your page has (4) blocking script resources and (3) blocking CSS resources. This causes a delay in rendering your page. None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Render-blocking JavaScript

  • https://use.typekit.net/rke7urc.js
  • https://www.columbia.edu/content/sites/default/files/js/js_XW3CzNSAyFDjHDxXDA4nXNpfcR3R7vFsAPEk1nL17rA.js
  • https://www.columbia.edu/content/sites/default/files/js/js_wGf2-ANMvlq6bb02-QdWv4NpOGyBI6bSyLxMxxYJNbs.js
  • https://www.columbia.edu/content/sites/default/files/js/js_8CSf1BxVTOClQhYF6mFnQHpcP9XHbXsXzQ9T8j7hW-M.js

Render-blocking CSS

  • https://www.columbia.edu/content/sites/default/files/css/css_JM1iitgRRpbfOTlSKsGgJggoMqTZj15mTfVP5F8Ml6M.css?prg510
  • https://www.columbia.edu/content/sites/default/files/css/css_cbB0GFpsZEtcl5bm4UxLBPyK7K82wBxAq07vDbEpyoo.css?prg510
  • https://www.columbia.edu/content/sites/default/files/css/css_tFrcITqzTNc_txPF-Q71Nc01UgSEq7hUDroN5r8ndDI.css?prg510

Resimleri İyileştir

Properly formatting and compressing images can save many bytes of data.
to reduce their transfer size by 717.7KiB ( 21%reduction ).

  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/chris_taggart_commencement_college_walk_fish_bowl_low_library_crowds.jpg?h=541eb486&itok=YGC_-PUe could save 100.5KiB ( 24%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/2018-commencement-diverse-flags-hero.jpg?itok=4GXjH7pR could save 79.2KiB ( 22%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Photo%20by%20Greg%20Kessler_DSC8654_composite_8.11.15_3.jpg?itok=3_rbQaIS could save 78.1KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/YearInReview2019.photogrid-scaled-down.jpg?itok=EsNWVt73 could save 64.3KiB ( 24%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/AR2016_Cover_GI_510283578-stunning-lake-volcano-sunset-high-res.jpg?itok=mVZHUpRE could save 61.7KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/Obama.WhiteHouse.PeteSouza-oral-history-phone-hero.jpg?h=b6a571f2&itok=xc3IKrYW could save 37.1KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/sang-jun-park-full-size.jpg?itok=k33PQFLI could save 33.2KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Amy-Hungerford-EVP-Arts-Sciences.jpg?itok=3vcqvbLI could save 26.1KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/WaLone_KyawSoeOo_Pulitzer2019_Barroso.jpg?itok=xwpgb7CQ could save 24.9KiB ( 24%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Medium%20Featured%20Boxes/columbia_summer_pagoda_gazebo.jpg?h=30d64dbf&itok=Z9Q6JR1w could save 22.8KiB ( 24%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Large%20Bleeding%20Image/world-science-festival-galaxy-outer-space-nebula-stars.jpg?itok=GoD1rnGq could save 22.5KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/LeeGoldman_AR2016_photo_IMG_0665.Preferred-vertical.jpg?itok=fKEz3a1n could save 20.5KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/DDC%20Graduation.jpg?itok=CATD3RA3 could save 18.5KiB ( 22%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/hearing-aid-noisy-crowded-focused-listening.jpg?itok=DrAWwTEU could save 16.8KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Sondra-Woodruff-image-card-great-grad.jpg?itok=h76P4r2G could save 14.6KiB ( 25%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Patrick-Eby-Action-D.MikeMcLaughlin-image-card-great-grad.jpg?itok=cty6_ym4 could save 9.5KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/compressedWainwrightHomecoming.jpg?itok=x1X_3t_D could save 7.3KiB ( 23%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/aerial-campus.jpg?itok=NKaemIKM could save 6.3KiB ( 23%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/PPE_F16%20The%20Big%20Draw%20Event%20%2811%29.jpg?itok=EgyzAAKX could save 5.7KiB ( 22%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/butler-library.jpg?itok=otZNF0zb could save 5.6KiB ( 23%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Life/summer-session.jpg?itok=ZRHfRMPW could save 5.4KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Iman-Blow-celebrates-image-card.jpg?itok=pnKUkX4J could save 5.3KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/vagelos-building.jpg?itok=G58R2Xpo could save 5.1KiB ( 23%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/irving-medical-center.jpg?itok=WI0ubZL- could save 4.3KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Life/two-graduates.jpg?itok=z9a8LlMp could save 4.1KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/jerome-green-center.jpg?itok=nHfKVXym could save 3.9KiB ( 22%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Life/commencement.jpg?itok=8jxwV4EF could save 3.8KiB ( 20%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/low-library-college-walk.jpg?itok=nAw7QXqd could save 3.8KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Life/thinker-statute.jpg?itok=tJjtzWlr could save 3.8KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/campbell-sports-center.jpg?itok=TEvwwN7_ could save 3.5KiB ( 20%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/Global.Amman_.MideastTrip2009.DavidStone.jpg?itok=x8LjNdOc could save 3.2KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/HarlemHealthPromotionCtr%202.jpg?itok=R2o43pWX could save 2.8KiB ( 20%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/comer-building.jpg?itok=xrEqF_jm could save 2.6KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/lion.jpg?itok=fnwnYH0H could save 2.6KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/GCA%20Community%20Business%20Fair.jpg?itok=JDWkwhDH could save 2.3KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/Wellness-Center-07-19-17.jpg?itok=R72iF4aP could save 2.2KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/StackOfBooks.jpeg?itok=td-z0M_m could save 2KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/Annette-Lopes.Eileen-Barroso.jpg?itok=Ix7YrZ4Q could save 2KiB ( 20%reduction )

Görünür İçeriği Önceliklendirme

Visible Content Is Not Properly Prioritized. .

Google Page Speed Insight (Desktop)


Sayfa İstatistikleri


numberResources83numberHosts11
totalRequestBytes13291numberStaticResources17
htmlResponseBytes188577textResponseBytes115623
overTheWireResponseBytes5111706cssResponseBytes531438
imageResponseBytes3877982javascriptResponseBytes1754013
otherResponseBytes221137numberJsResources17
numberCssResources4


SAYFA HIZI

Açılış Sayfası Yönlendirmeleri

Your Page Has No Redirects.

GZIP Sıkıştırma

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
for the following resources to reduce their transfer size by 303KiB ( 78%reduction ).

  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/www-keywords.phpcould save 100.5KiB ( 82%reduction )
  • https://www.columbia.edu/could save 92.2KiB ( 80%reduction )
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/json-wrapper.php?url=https:%2F%2Fevents.columbia.edu%2Ffeeder%2Fmain%2FeventsFeed.do%3Ff%3Dy%26sort%3Ddtstart.utc:asc%26fexpr%3D(categories.href!%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Fsys%2FOngoing%2522)%2520and%2520(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Forg%2FUniversityEvents%2522)%26skinName%3Dlist-json%26count%3D4could save 28.9KiB ( 84%reduction )
  • https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-blue-logo.svgcould save 27.3KiB ( 66%reduction )
  • https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-header.svgcould save 27.3KiB ( 66%reduction )
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/json-wrapper.php?url=https:%2F%2Fevents.columbia.edu%2Ffeeder%2Fmain%2FeventsFeed.do%3Ff%3Dy%26sort%3Ddtstart.utc:asc%26fexpr%3D(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Fsys%2FOngoing%2522)%2520and%2520(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Forg%2FUniversityEvents%2522)%26skinName%3Dlist-json%26count%3D4could save 16KiB ( 81%reduction )
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/social-connect.phpcould save 10.4KiB ( 77%reduction )
  • https://www.youtube.com/iframe_apicould save 366B ( 43%reduction )

Tarayıcı Önbelleğini Kaldıraç Edin

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
for the following cacheable resources:

  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/social-connect.php
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/www-keywords.php
  • https://www.columbia.edu/content/sites/default/files/js/js_8CSf1BxVTOClQhYF6mFnQHpcP9XHbXsXzQ9T8j7hW-M.js
  • https://www.columbia.edu/content/sites/default/files/js/js_XW3CzNSAyFDjHDxXDA4nXNpfcR3R7vFsAPEk1nL17rA.js
  • https://www.columbia.edu/content/sites/default/files/js/js_wGf2-ANMvlq6bb02-QdWv4NpOGyBI6bSyLxMxxYJNbs.js
  • https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-blue-logo.svg
  • https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-header.svg
  • https://m.addthisedge.com/live/boost/ra-5321fb424ebb991b/_ate.track.config_resp
  • https://www.columbia.edu/content/json/alerts/local?_format=json
  • https://s7.addthis.com/js/300/addthis_widget.js
  • https://use.typekit.net/rke7urc.js
  • https://www.google-analytics.com/analytics.js

Sunucu Yanıt Süresi

Your Server Responded Quickly. .

CSS'yi minify

Your CSS Is Minified. .

HTML'yi minify

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
for the following resources to reduce their size by 13.2KiB ( 12%reduction ).

  • https://www.columbia.edu/could save 13.2KiB ( 12%reduction )

JavaScript'i küçült

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
for the following resources to reduce their size by 34KiB ( 28%reduction ).

  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/json-wrapper.php?url=https:%2F%2Fevents.columbia.edu%2Ffeeder%2Fmain%2FeventsFeed.do%3Ff%3Dy%26sort%3Ddtstart.utc:asc%26fexpr%3D(categories.href!%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Fsys%2FOngoing%2522)%2520and%2520(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Forg%2FUniversityEvents%2522)%26skinName%3Dlist-json%26count%3D4could save 15.5KiB ( 46%reduction )
  • https://www.columbia.edu/content/sites/default/files/js/js_wGf2-ANMvlq6bb02-QdWv4NpOGyBI6bSyLxMxxYJNbs.jscould save 9.8KiB ( 15%reduction )
  • https://www.columbia.edu/content/modules/custom/columbia/cu_utility_functions/json-wrapper.php?url=https:%2F%2Fevents.columbia.edu%2Ffeeder%2Fmain%2FeventsFeed.do%3Ff%3Dy%26sort%3Ddtstart.utc:asc%26fexpr%3D(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Fsys%2FOngoing%2522)%2520and%2520(categories.href%3D%2522%2Fpublic%2F.bedework%2Fcategories%2Forg%2FUniversityEvents%2522)%26skinName%3Dlist-json%26count%3D4could save 8KiB ( 41%reduction )
  • https://www.columbia.edu/content/sites/default/files/js/js_8CSf1BxVTOClQhYF6mFnQHpcP9XHbXsXzQ9T8j7hW-M.jscould save 779B ( 21%reduction )

JavaScript ve CSS'yi render engelleme

Your page has (4) blocking script resources and (3) blocking CSS resources. This causes a delay in rendering your page. None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Render-blocking JavaScript

  • https://use.typekit.net/rke7urc.js
  • https://www.columbia.edu/content/sites/default/files/js/js_XW3CzNSAyFDjHDxXDA4nXNpfcR3R7vFsAPEk1nL17rA.js
  • https://www.columbia.edu/content/sites/default/files/js/js_wGf2-ANMvlq6bb02-QdWv4NpOGyBI6bSyLxMxxYJNbs.js
  • https://www.columbia.edu/content/sites/default/files/js/js_8CSf1BxVTOClQhYF6mFnQHpcP9XHbXsXzQ9T8j7hW-M.js

Render-blocking CSS

  • https://www.columbia.edu/content/sites/default/files/css/css_JM1iitgRRpbfOTlSKsGgJggoMqTZj15mTfVP5F8Ml6M.css?prg510
  • https://www.columbia.edu/content/sites/default/files/css/css_cbB0GFpsZEtcl5bm4UxLBPyK7K82wBxAq07vDbEpyoo.css?prg510
  • https://www.columbia.edu/content/sites/default/files/css/css_tFrcITqzTNc_txPF-Q71Nc01UgSEq7hUDroN5r8ndDI.css?prg510

Resimleri İyileştir

Görüntüleri Doğru şekilde Biçimlendirmek Ve Sıkıştırmak, Baytlarca Veriden Tasarruf Edilmesini Sağlayabilir.
... 717.7KiB ( 21%Sıkıştır ).

  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/chris_taggart_commencement_college_walk_fish_bowl_low_library_crowds.jpg?h=541eb486&itok=YGC_-PUe could save 100.5KiB ( 24%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/2018-commencement-diverse-flags-hero.jpg?itok=4GXjH7pR could save 79.2KiB ( 22%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Photo%20by%20Greg%20Kessler_DSC8654_composite_8.11.15_3.jpg?itok=3_rbQaIS could save 78.1KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/YearInReview2019.photogrid-scaled-down.jpg?itok=EsNWVt73 could save 64.3KiB ( 24%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/AR2016_Cover_GI_510283578-stunning-lake-volcano-sunset-high-res.jpg?itok=mVZHUpRE could save 61.7KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/Obama.WhiteHouse.PeteSouza-oral-history-phone-hero.jpg?h=b6a571f2&itok=xc3IKrYW could save 37.1KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/sang-jun-park-full-size.jpg?itok=k33PQFLI could save 33.2KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Amy-Hungerford-EVP-Arts-Sciences.jpg?itok=3vcqvbLI could save 26.1KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/WaLone_KyawSoeOo_Pulitzer2019_Barroso.jpg?itok=xwpgb7CQ could save 24.9KiB ( 24%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Medium%20Featured%20Boxes/columbia_summer_pagoda_gazebo.jpg?h=30d64dbf&itok=Z9Q6JR1w could save 22.8KiB ( 24%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Large%20Bleeding%20Image/world-science-festival-galaxy-outer-space-nebula-stars.jpg?itok=GoD1rnGq could save 22.5KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/LeeGoldman_AR2016_photo_IMG_0665.Preferred-vertical.jpg?itok=fKEz3a1n could save 20.5KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/DDC%20Graduation.jpg?itok=CATD3RA3 could save 18.5KiB ( 22%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/hearing-aid-noisy-crowded-focused-listening.jpg?itok=DrAWwTEU could save 16.8KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Sondra-Woodruff-image-card-great-grad.jpg?itok=h76P4r2G could save 14.6KiB ( 25%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Patrick-Eby-Action-D.MikeMcLaughlin-image-card-great-grad.jpg?itok=cty6_ym4 could save 9.5KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/compressedWainwrightHomecoming.jpg?itok=x1X_3t_D could save 7.3KiB ( 23%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/aerial-campus.jpg?itok=NKaemIKM could save 6.3KiB ( 23%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/PPE_F16%20The%20Big%20Draw%20Event%20%2811%29.jpg?itok=EgyzAAKX could save 5.7KiB ( 22%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/butler-library.jpg?itok=otZNF0zb could save 5.6KiB ( 23%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Life/summer-session.jpg?itok=ZRHfRMPW could save 5.4KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/News%20Highlight%20Images/Iman-Blow-celebrates-image-card.jpg?itok=pnKUkX4J could save 5.3KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/vagelos-building.jpg?itok=G58R2Xpo could save 5.1KiB ( 23%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/irving-medical-center.jpg?itok=WI0ubZL- could save 4.3KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Life/two-graduates.jpg?itok=z9a8LlMp could save 4.1KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/jerome-green-center.jpg?itok=nHfKVXym could save 3.9KiB ( 22%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Life/commencement.jpg?itok=8jxwV4EF could save 3.8KiB ( 20%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/low-library-college-walk.jpg?itok=nAw7QXqd could save 3.8KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Life/thinker-statute.jpg?itok=tJjtzWlr could save 3.8KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/campbell-sports-center.jpg?itok=TEvwwN7_ could save 3.5KiB ( 20%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/Global.Amman_.MideastTrip2009.DavidStone.jpg?itok=x8LjNdOc could save 3.2KiB ( 21%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/HarlemHealthPromotionCtr%202.jpg?itok=R2o43pWX could save 2.8KiB ( 20%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/comer-building.jpg?itok=xrEqF_jm could save 2.6KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Campus%20Images/lion.jpg?itok=fnwnYH0H could save 2.6KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/GCA%20Community%20Business%20Fair.jpg?itok=JDWkwhDH could save 2.3KiB ( 19%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/Wellness-Center-07-19-17.jpg?itok=R72iF4aP could save 2.2KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/StackOfBooks.jpeg?itok=td-z0M_m could save 2KiB ( 18%reduction )
  • https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/Annette-Lopes.Eileen-Barroso.jpg?itok=Ix7YrZ4Q could save 2KiB ( 20%reduction )

Görünür İçeriği Önceliklendirme

Görünür Içerik Uygun şekilde önceliklendirilmemiştir. .