All Web Images Videos News
Settings
Appearance
Site Icons
Font Size
Font
General
Infinite Scroll
Open Links in a New Tab
Safe Search
Search Engine Optimization Overview
69
100
Columbia University in the City of New York
https://www.columbia.edu/
4 high issues
12.1%
3 medium issues
9.1%
3 low issues
9.1%
23 tests passed
69.7%
0.21 seconds
138.30 kB
42 resources
Secure
Seo
Title
The title tag is perfect.
Columbia University in the City of New York
Meta description
The meta description tag is missing or empty.
Headings
The h1 tag is the same with the title tag.
  1. Columbia University in the City of New York
  1. Main navigation expanded
  5. Explore
  6. News
  7. COVID-19 Campus Resources
  9. Most Visited
  10. Featured Videos
  11. EVENTS
  12. Upcoming
  13. Ongoing
  16. Locations
  17. Community
  18. Follow Us
Content keywords
The content has relevant keywords.
columbiauniversityinthecityofnewyork
Image keywords
There are 1 images with missing alt attributes.
  1. https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-header.svg
SEO friendly URL
The URL is SEO friendly.
https://www.columbia.edu/
404 page
The website has 404 error pages.
https://www.columbia.edu/404-4b31b27424fef6545476d225be0e8c88
Robots.txt
The webpage can be accessed by search engines.
Noindex
The webpage does not have a noindex tag set.
In-page links
The number of links on the webpage is okay.
Language
The webpage has the language declared.
en
Favicon
The webpage has a favicon.
https://www.columbia.edu/content/themes/custom/columbia/favicon-crown.png
Performance
Text compression
The HTML file is not compressed.
Load time
The webpage loaded in 0.21 seconds.
Page size
The size of the HTML webpage is 138,302.00.
HTTP requests
There are fewer than 42 HTTP requests on the webpage.
  1. https://use.typekit.net/rke7urc.js
  2. https://www.columbia.edu/content/sites/default/files/js/js_QRRk1xsOJ4mimjPi83QucvT6ec-V7GajQoo19JxOA2I.js
  3. https://www.columbia.edu/content/sites/default/files/js/js_txXb2tnFdz95BxxExbt6b1WfwtcG05VG27uRje6_SUM.js
  4. https://www.youtube.com/iframe_api
  5. https://www.columbia.edu/content/sites/default/files/js/js_UuJgOXsE_CtH8uKkARMi-pfN1beyPqtAErrBypQlDUE.js
  6. https://s7.addthis.com/js/300/addthis_widget.js
  1. https://www.columbia.edu/content/sites/default/files/css/css_JM1iitgRRpbfOTlSKsGgJggoMqTZj15mTfVP5F8Ml6M.css
  2. https://www.columbia.edu/content/sites/default/files/css/css_PV3jksG-lYiyGe8VBpG3s5CUbYY4ITEfsiuNHr2vlFc.css
  3. https://www.columbia.edu/content/sites/default/files/css/css_RvlH2sdo5LPXNh6QZX-YMwcrF-CL4sKRhTlEc0ZYSi0.css
  4. https://www.columbia.edu/content/sites/default/files/css/css_55vZvmomSr7CApEeyl8IDp0GNnCreIsBX_2xiUt3F9s.css
  1. https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-header.svg
  2. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/vagelos-building.jpg?itok=He0J_Epa
  3. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/butler-library.jpg?itok=BDXqL2sT
  4. 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
  5. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/startupLab.png?itok=J3n4QtDJ
  6. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/compressedWainwrightHomecoming.jpg?itok=x1X_3t_D
  7. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/two-graduates.jpg?itok=5WnxibdA
  8. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/surgical-mask-photo.jpeg?itok=2VFps9X-
  9. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/COVID19/covid-vaccine-shot-columbia-small.jpeg?itok=Jt25HtzF
  10. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/COVID19/Safety%20First%20Sign.jpeg?itok=fMAvFyeU
  11. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/lion.jpg?itok=MC-4pMea
  12. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/summer-session.jpg?itok=kqDAxYLS
  13. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/thinkers-statue.jpg?itok=DkTduN_L
  14. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/commencement.jpg?itok=lnzhkROy
  15. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/Careers%20Faculty%20Staff%20Employment%20Columbia_0.jpg?itok=PgLwO4EU
  16. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/low-library-college-walk.jpg?itok=fcbmnn9y
  17. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/meet-the-deans-promo-thumbnail.png?itok=o4tl5vdU
  18. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/golden-hour-thumbnail.png?itok=QGlkkAs6
  19. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/youtube-playlist-man_0.jpg?itok=Omu5nRvs
  20. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/aerial-campus.jpg?itok=6RY2VhKL
  21. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/irving-medical-center.jpg?itok=nPyLGR7Q
  22. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/jerome-green-center.jpg?itok=90Jlb89V
  23. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/comer-building.jpg?itok=oE9qknCn
  24. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/campbell-sports-center.jpg?itok=f3kk5K4Y
  25. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/Global.Amman_.MideastTrip2009.DavidStone.jpg?itok=SZObxQyN
  26. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/Neighbors%20Zuckerman_0.jpg?itok=uSozV2uV
  27. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/Wellness-Center-07-19-17_0.jpg?itok=OZ9TFq9h
  28. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/CommunityScholarVivanNixon_0.png?itok=cmul55s8
  29. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/DDC%20Graduation_0.jpg?itok=kCaI0jEW
  30. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/community-impact-adult-education_0.jpg?itok=oyjNJdIu
  31. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/HarlemHealthPromotionCtr%202_0.jpg?itok=MpsmU-AW
  32. https://www.columbia.edu/content/themes/custom/columbia/assets/img/cu-blue-logo.svg
Image format
There are 30 images that are not using the AVIF, WebP format.
  1. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/vagelos-building.jpg?itok=He0J_Epa
  2. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/butler-library.jpg?itok=BDXqL2sT
  3. 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
  4. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/startupLab.png?itok=J3n4QtDJ
  5. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/compressedWainwrightHomecoming.jpg?itok=x1X_3t_D
  6. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Explore/two-graduates.jpg?itok=5WnxibdA
  7. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/surgical-mask-photo.jpeg?itok=2VFps9X-
  8. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/COVID19/covid-vaccine-shot-columbia-small.jpeg?itok=Jt25HtzF
  9. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/COVID19/Safety%20First%20Sign.jpeg?itok=fMAvFyeU
  10. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/lion.jpg?itok=MC-4pMea
  11. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/summer-session.jpg?itok=kqDAxYLS
  12. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/thinkers-statue.jpg?itok=DkTduN_L
  13. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/commencement.jpg?itok=lnzhkROy
  14. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/Careers%20Faculty%20Staff%20Employment%20Columbia_0.jpg?itok=PgLwO4EU
  15. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Most%20Visited/low-library-college-walk.jpg?itok=fcbmnn9y
  16. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/meet-the-deans-promo-thumbnail.png?itok=o4tl5vdU
  17. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/golden-hour-thumbnail.png?itok=QGlkkAs6
  18. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/youtube-playlist-man_0.jpg?itok=Omu5nRvs
  19. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/aerial-campus.jpg?itok=6RY2VhKL
  20. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/irving-medical-center.jpg?itok=nPyLGR7Q
  21. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/jerome-green-center.jpg?itok=90Jlb89V
  22. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/comer-building.jpg?itok=oE9qknCn
  23. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/campbell-sports-center.jpg?itok=f3kk5K4Y
  24. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Locations/Global.Amman_.MideastTrip2009.DavidStone.jpg?itok=SZObxQyN
  25. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/Neighbors%20Zuckerman_0.jpg?itok=uSozV2uV
  26. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/Wellness-Center-07-19-17_0.jpg?itok=OZ9TFq9h
  27. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/CommunityScholarVivanNixon_0.png?itok=cmul55s8
  28. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/DDC%20Graduation_0.jpg?itok=kCaI0jEW
  29. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/community-impact-adult-education_0.jpg?itok=oyjNJdIu
  30. https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Community/HarlemHealthPromotionCtr%202_0.jpg?itok=MpsmU-AW
JavaScript defer
The are 6 javascript resources without the defer attribute.
  1. https://use.typekit.net/rke7urc.js
  2. https://www.columbia.edu/content/sites/default/files/js/js_QRRk1xsOJ4mimjPi83QucvT6ec-V7GajQoo19JxOA2I.js
  3. https://www.columbia.edu/content/sites/default/files/js/js_txXb2tnFdz95BxxExbt6b1WfwtcG05VG27uRje6_SUM.js
  4. https://www.youtube.com/iframe_api
  5. https://www.columbia.edu/content/sites/default/files/js/js_UuJgOXsE_CtH8uKkARMi-pfN1beyPqtAErrBypQlDUE.js
  6. https://s7.addthis.com/js/300/addthis_widget.js
DOM size
The DOM size is optimal.
The HTML file has 850 DOM nodes.
Security
HTTPS encryption
The webpage uses HTTPS encryption.
The HTML file has https://www.columbia.edu/ DOM nodes.
Mixed content
There are no mixed content resources on the webpage.
Server signature
The webpage has a public server signature.
Apache
Unsafe cross-origin links
The webpage does not have unsafe cross-origin links.
Plaintext email
The webpage does not contain any plaintext emails.
Miscellaneous
Structured data
There are no structured data tags on the webpage.
Meta viewport
The webpage has a meta viewport tag set.
width=device-width, initial-scale=1.0, viewport-fit=cover
Character set
The webpage has a charset value set.
utf-8
Sitemap
No sitemaps found.
Social
The webpage has 14 social links.
Content length
The webpage has 5,075 words.
Text to HTML ratio
The text to HTML ratio is 29%.
Inline CSS
The webpage contains inline CSS code.
  1. height:755px
  2. background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/giving-day-2022-small.png?itok=WF9kswUL')
  3. background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/meet-the-deans-thumb.png?itok=tzcusC_Z')
  4. background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/community-day_LR_0604-lou-rocco-hp.jpg?h=8b7cc134&itok=Cq_pwRqq')
  5. background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Hero/Fall.AndreaArellano_1200px.jpg?itok=cn0Cq_xC')
  6. background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/Innovation/Maker%20Space%20at%20Columbia%20Hero.jpg?itok=hmsix-tg')
  7. background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/hybrid-work-environment.png?h=bfced127&itok=h3BoDctP')
  8. background-image: url('https://www.columbia.edu/content/sites/default/files/styles/cu_crop/public/content/columbia-news-email-block.jpg?itok=BYdyCw9Y')
Deprecated HTML
There are no deprecated HTML tags on the webpage.