Cs.columbia.edu - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
66% 
Page structure
75% 
Link structure
92% 
Server
46% 
External factors
100% 
SEO Score
Response time
1.80 s
File size
75.00 kB
Words
943
Media files
23
Number of links
100 internal / 13 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Department of Computer Science, Columbia University
The length of the page title is perfect. (489 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
robotsmax-image-preview:large
msapplication-TileImagehttps://www.cs.columbia.edu/wp-content/uploads/2016/02/cropped-favicon-270x270.png
langen-us
X-UA-CompatibleIE=edge
charsetUTF-8

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Page quality

Content
(Critically important)
The average number of words per sentence of 31.35 words is high.
This page contains 943 words. That's ok.
29.2% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
14 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 19 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Empty bold or strong tags were found on this page.
Image SEO
(Somewhat important)
7 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...emes/columbia-cs/assets/img/cs-at-cu.pngNo alt attribute provided
...ia-cs/assets/img/cu-engineering-logo.pngNo alt attribute provided
...oads/2025/03/Carousel_2024-Nieh-AAAS.jpgJason Nieh AAAS fellow
...025/03/Carousel_2024-ISCB-Itsik-Peer.jpgNo alt attribute provided
...l_2024_Chilton-Sloan-REsearch-Fellow.jpgLydia Chilton
.../2024/06/Carousel_2023_New-faculty-2.jpgNo alt attribute provided
...ousel_2024-Alaman-Packard-Fellowship.jpgjosh alman
...09/Carousel_2024-FME-Fellowship-Wing.jpgJeannette Wing awarded the FME Fellowship
...ousel_2024-Steven-F-AWE-Hall-of-Fame.jpgNo alt attribute provided
...6/Carousel_2023_CVPR-Carl-Vondrick-2.jpgCarl Vondrick
...s/2025/07/WebsiteImage_2025-ACL-2025.pngACL 2025 logo
...e_2025-Simha-cybersecurity-insurance.jpgserver room
...bsiteImage_2025-Google-Award-KostisK.jpgKostis Kaffes
...s/2025/07/Image-HyperQ-Photo-Gallery.pngNo alt attribute provided
...7/WebsiteImage_2025-2026-Adam-Cannon.jpgAdam Cannon
...25/05/WebsiteImage_2024-Commencement.jpgstudents at commencement
.../06/WebsiteImage_2024-CHarlie-Carver.jpgCharlie Carver
...2024-MS-Bridge-Peter-Ma-Ryan-Soeyadi.jpgPeter Ma and Ryan Soeyadi
...age_2024-TA-Kylie-Berg-and-Anna-Reis.jpgAnna Reis and Kylie Berg
...05/WebsiteImage_2024-Kavika-Krishnan.jpgKavika Krishnan
...nt/uploads/2020/10/Logo_CU_White_300.pngNo alt attribute provided
...es/columbia-cs/assets/img/gmail_icon.pngAdd Event to GMail

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 Research & News
H2 Student & Alumni News
H2 Dean Boyce's statement on amicus brief filed by President Bollinger
H2 {{title}}
H2 {{title}} {{fullname}}
H3 Celebrating Success at ACL 2025
H3 Virtual Security Testbed Helps Policymakers Prepare for Real-World Threats
H3 Kostis Kaffes Wins 2025 Google ML and Systems Junior Faculty Award
H3 Turning Quantum Bottlenecks into Breakthroughs
H3 Three Faculty Members Named Teaching Professors at Columbia Engineering
H3 Celebrating the Class of 2025
H3 Reimagining Wireless Communication and Sensing With Laser Light
H3 Unlikely Engineers: The Pianist And The Med Student Who Found Their Future In Code
H3 Where Support Meets Opportunity: Two Students Reflect On Their TA Journey
H3 Kavika Krishnan, SEAS ’25, On Engineering Student Council And Crisis Leadership
H3 Computer Science at Columbia University
H3 Upcoming Events
H3 In the News
H3 Press Mentions
H3 Bio
H3 Courses This Semester
H4 CS Career Advising Walk-In Hours
H4 CS Career Advising Walk-In Hours Duplicate text
Some anchor texts are used more than once.
There are 2 links with a trivial anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 13 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.cs.columbia.edu/Anchor Skip to content
https://www.cs.columbia.edu/Anchor Text duplicate Skip to content
https://www.cs.columbia.edu/No Text
https://www.columbia.edu/External Subdomain Columbia University in the City of New York
http://engineering.columbia.edu/External Subdomain No Text
https://www.cs.columbia.edu/aboutSubdomain About the Department
/department-lectures/Subdomain Department Lectures
/calendarSubdomain Events
/bulletin/newsletters/Subdomain Newsletters
/people/directory/Subdomain Directory
/technical-reports/Subdomain Technical Reports
/category/in-the-news/Subdomain Research in the News
/category/press-mentions/Subdomain Press Interviews
https://www.cs.columbia.edu/crf/Subdomain Computing Research Facilities
/people/faculty/Subdomain Faculty by Name
/people/affiliates/Subdomain Affiliates
/achievements/Subdomain Faculty Achievements
/open-positions/Subdomain Open Positions
/education/undergraduate/Subdomain Undergraduate Programs
/education/ms/Subdomain MS Program
/education/phd/Subdomain PhD Program
/ms-bridge/Subdomain MS Bridge Program
https://compeng.columbia.edu/External Subdomain Computer Engineering Program
/education/ms/journalism/Subdomain Dual MS in Journalism and Computer Science Program
/education/courses/Subdomain Courses & Registration
/academic/academic-honesty/Subdomain Academic Honesty
/education/admissions8/Subdomain Admissions Information
/education/undergraduate/prosp...Subdomain Prospective Student FAQ
/cs-affiliated-programs/Subdomain Affiliated Programs
/academic-advising/Subdomain Academic Advising
/career/student-resources/Subdomain Careers
/student-awards-2/Subdomain Student Awards
/academic/student-life/Subdomain Student Life and Organizations
/areas/machine/Subdomain Machine Learning
/areas/vision-robotics/Subdomain Vision & Robotics
/areas/networking/Subdomain Networking
/areas/compengin/Subdomain Computer Engineering
/areas/software/Subdomain Software Systems
/areas/compio/Subdomain Computational Biology
/areas/security/Subdomain Security & Privacy
/areas/speech/Subdomain NLP & Speech
/areas/theory/Subdomain Theory
/areas/graphics-ui/Subdomain Graphics & User Interfaces
/areas/theory/Subdomain Text duplicate Theory
/areas/graphics-ui/Subdomain Text duplicate Graphics & User Interfaces
/areas/speech/Subdomain NLP &Speech
/areas/security/Subdomain Security &Privacy
/areas/compio/Subdomain ComputationalBiology
/areas/software/Subdomain SoftwareSystems
/areas/compengin/Subdomain ComputerEngineering
/areas/networking/Subdomain Text duplicate Networking
/areas/vision-robotics/Subdomain Vision &Robotics
/areas/machine/Subdomain MachineLearning
/areas/aiSubdomain ArtificialIntelligence
/category/headline-news/Subdomain Trivial anchor text
More
/2025/jason-nieh-named-fellow-...New window Nofollow Subdomain IMG-ALT Jason Nieh AAAS fellow
/2025/itsik-peer-elected-as-is...New window Nofollow Subdomain No Text
/2025/lydia-chilton-named-sloa...New window Nofollow Subdomain IMG-ALT Lydia Chilton
/2025/cs-welcomes-six-new-facu...New window Nofollow Subdomain No Text
/2024/josh-alman-awarded-the-2...New window Nofollow Subdomain IMG-ALT josh alman
/2024/fme-fellowship-awarded-t...New window Nofollow Subdomain IMG-ALT Jeannette Wing awarded the FME Fellowship
/2024/steven-feiner-inducted-i...New window Nofollow Subdomain No Text
/2024/carl-vondrick-awarded-th...New window Nofollow Subdomain IMG-ALT Carl Vondrick
/2025/celebrating-success-at-a...Subdomain IMG-ALT ACL 2025 logo
/2025/celebrating-success-at-a...Subdomain Celebrating Success at ACL 2025
/2025/celebrating-success-at-a...Subdomain Continue reading Celebrating Success at ACL 2025
/2025/virtual-security-testbed...New window Nofollow Subdomain IMG-ALT server room
/2025/virtual-security-testbed...New window Nofollow Subdomain Virtual Security Testbed Helps Policymakers Prepare for Real-World Threats
/2025/kostis-kaffes-wins-2025-...New window Nofollow Subdomain IMG-ALT Kostis Kaffes
/2025/kostis-kaffes-wins-2025-...New window Nofollow Subdomain Kostis Kaffes Wins 2025 Google ML and Systems Junior Faculty Award
/2025/turning-quantum-bottlene...New window Nofollow Subdomain No Text
/2025/turning-quantum-bottlene...New window Nofollow Subdomain Turning Quantum Bottlenecks into Breakthroughs
/2025/three-faculty-members-na...New window Nofollow Subdomain IMG-ALT Adam Cannon
/2025/three-faculty-members-na...New window Nofollow Subdomain Three Faculty Members Named Teaching Professors at Columbia Engineering
/category/research/Subdomain More Research
/2025/celebrating-the-class-of...Subdomain IMG-ALT students at commencement
/2025/celebrating-the-class-of...Subdomain Celebrating the Class of 2025
/2025/celebrating-the-class-of...Subdomain Continue reading Celebrating the Class of 2025
/2025/reimagining-wireless-com...Subdomain IMG-ALT Charlie Carver
/2025/reimagining-wireless-com...Subdomain Reimagining Wireless Communication and Sensing With Laser Light
/2025/reimagining-wireless-com...Subdomain Continue reading Reimagining Wireless Communication and Sensing With Laser Light
/2025/unlikely-engineers-the-p...Subdomain IMG-ALT Peter Ma and Ryan Soeyadi
/2025/unlikely-engineers-the-p...Subdomain Unlikely Engineers: The Pianist And The Med Student Who Found Their Future In Code
/2025/unlikely-engineers-the-p...Subdomain Continue reading Unlikely Engineers: The Pianist And The Med Student Who Found Their Future In Code
/2025/where-support-meets-oppo...Subdomain IMG-ALT Anna Reis and Kylie Berg
/2025/where-support-meets-oppo...Subdomain Where Support Meets Opportunity: Two Students Reflect On Their TA Journey
/2025/where-support-meets-oppo...Subdomain Continue reading Where Support Meets Opportunity: Two Students Reflect On Their TA Journey
/2025/kavika-krishnan-seas-25-...New window Nofollow Subdomain IMG-ALT Kavika Krishnan
/2025/kavika-krishnan-seas-25-...New window Nofollow Subdomain Kavika Krishnan, SEAS ’25, On Engineering Student Council And Crisis Leadership
/category/student-news/Subdomain More Student News
/open-positions/Subdomain Trivial anchor text
here
https://www.cs.columbia.edu/Anchor Sep 12 CS Career Advising Walk-In Hours Friday 2:00 pm CS Lounge , CS Careers
https://www.cs.columbia.edu/Anchor Sep 19 CS Career Advising Walk-In Hours Friday 11:00 am CS Lounge , CS Careers
/calendar/Subdomain View All >>
https://www.columbia.edu/External Subdomain Text duplicate Columbia University in the City of New York
https://www.engineering.columb...External Subdomain School of Engineering and Applied Science
https://undergrad.admissions.c...External Subdomain SEAS Undergraduate Admissions
https://apply.engineering.colu...External Subdomain SEAS M.S./Ph.D. Application
https://datascience.columbia.edu/External Subdomain Data Science Institute
https://www.columbia.edu/External Subdomain No Text
/academic-advising/Subdomain CS Advising
https://mice.cs.columbia.edu/External Subdomain MICE
http://www.cs.columbia.edu/crfSubdomain CRF
/resources-for-faculty-and-staffSubdomain Resources for Faculty and Staff
/resources/copyright/Subdomain Copyright FAQ
/resources/directions/Subdomain Directions
/wp-content/uploads/2022/07/mo...Subdomain Map
/people/directory/Text duplicate Directory
http://columbia.edu/help/copyr...External © Columbia
/privacy-policy/Subdomain Privacy Policy
http://news.columbia.edu/sites...External Subdomain amicus brief
http://www.google.com/calendar...New window External Subdomain Anchor Add to GMail
IMG-ALT Add Event to GMail
/education/courses/course/{{de...{{title}} ({{dept}} {{prefix}}{{course_num}}-{{section}})

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.cs.columbia.edu/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is very slow (1.80 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This page loads 7 CSS files. This may affect the page load time negatively.
This page loads 19 JavaScript files. This may affect the load time negatively.
A Content Delivery Network like Bootstrap CDN can save bandwidth for Bootstrap front-end component library.
The file size of the HTML document is fine (75 kB).

HTTP Response Header

NameValue
dateThu, 31 Jul 2025 21:10:33 GMT
serverApache
x-powered-byPHP/8.3.6
x-xss-protection1
expiresThu, 19 Nov 1981 08:52:00 GMT
cache-controlno-store, no-cache, must-revalidate
pragmano-cache
link<https://www.cs.columbia.edu/wp-json/>; rel="https://api.w.org/"
set-cookie50 Characters
varyAccept-Encoding
content-encodinggzip
content-length15768
content-typetext/html; charset=UTF-8
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 185 referring domains.
This page has 443 backlinks.
This page has backlinks from 111 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /crf/phone/3com/
Disallow: /CAVE/private
Disallow: /CAVE/exclude
Disallow: /CAVE/phpadmin
Disallow: /nlp/newsblaster/archives/
Disallow: /?plugin=attach&pcmd=open&file=*
Disallow: /mice
Disallow: /crftest
Disallow: /crfnew
Disallow: /crf/support_charge.shtml
Disallow: /webtest
Disallow: /~nayar/akash

User-agent: Slurp
Crawl-delay: 10

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Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Columbia66%Check
Columbia University60%Check
Science55%Check
Computer55%Check
Computer Science55%Check
Columbia Engineering55%Check
Department51%Check
Computer Engineering51%Check
ACL 202546%Check
Data Science45%Check
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