Skip to main content
SGSiteGraph

yale.edu

Yale University

Last scanned Jul 29, 2026, 12:00 PM · 12 views

89

Overall score

Great

Summary

Since its founding in 1701, Yale University has been dedicated to expanding and sharing knowledge, inspiring innovation, and preserving cultural and scientific information for future generations. This website uses Nginx behind Fastly CDN. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

Since its founding in 1701, Yale University has been dedicated to expanding and sharing knowledge, inspiring innovation, and preserving cultural and scientific information for future generations.

Top issues to fix

8 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • TLS certificate expires in 15 days

    Security

    Renew soon or enable auto-renewal to avoid a browser-warning outage.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

70

SEO

5 issue(s) found

100

Performance

17 ms

90

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+1 overall since Jul 18, 2026

Overall
89
SEO
70
Security
90
Performance
100
Accessibility
100

Organization

Company details published in this site's own structured data.

Since its founding in 1701, Yale University has been dedicated to expanding and sharing knowledge, inspiring innovation, and preserving cultural and scientific information for future generations.

InstagramFacebookYouTube

Meta tags

Title
Yale University
Description
Since its founding in 1701, Yale University has been dedicated to expanding and sharing knowledge, inspiring innovation, and preserving cultural and scientific information for future generations.
Canonical
https://www.yale.edu/
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest
https://www.yale.edu/sites/all/themes/yale_blue/images/favicons/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
Yale University
og:description
Since its founding in 1701, Yale University has been dedicated to expanding and sharing knowledge, inspiring innovation, and preserving cultural and scientific information for future generations.
og:type
website
og:url
https://www.yale.edu/

Twitter Card

twitter:card
summary
twitter:title
Yale University
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

DrupaljQueryGoogle AnalyticsNginx

Hosting & CDN

Hosting provider
—
CDN provider
Fastly
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.2
Issuer
Certainly
Subject
*.yale.edu
Valid from
Jul 15, 2026
Valid to
Aug 14, 2026
Days until expiry
15
SAN domains
*.yale.edu

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 2 · H2 15 · H3 11

Links

36 internal · 50 external · 20 broken

Images

15 total · 0 missing alt

Scripts / Styles

18 scripts · 12 stylesheets

JS / CSS size

32.3 KB · 227 B

Page size

97.9 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Meta description longer than 160 characters
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://yale.edu
Final URL
https://www.yale.edu/
HTTP status
200
HTTP version
HTTP/2
Response time
15 ms
HTML size
97.9 KB
Redirect chain
https://yale.edu → https://www.yale.edu/

See something wrong on this report? Request a correction

Related websites

Same technology stack

enfocus.com

PDF Preflight & Print Automation Software | Enfocus

99
nginxgoogle-analyticsdrupal
COMBELL-AS - Combell NV, BE· Fastly

foundationmedicine.com

Foundation Medicine | Transforming Precision Medicine

98
nginxdrupalgoogle-analytics
Fastly· Fastly

nasertic.es

Inicio | Nasertic - Navarra de Servicios y Tecnologías

98
phpnginxdrupal
Telefonica_de_EspaNa - TELEFONICA DE ESPANA S.A.U., ES

starbucksathome.com

Homepage | Starbucks® at Home

97
nginxgoogle-analyticsdrupal
· Fastly

ibiza-spotlight.com

Ibiza Spotlight Holidays: hotels, beaches, clubbing, reviews and news | Ibiza Spotlight

96
plausiblenginxdrupal
· Fastly

davispolk.com

Davis Polk

96
nginxdrupalgoogle-analytics
· Fastly

Frequently asked questions

What technology does yale.edu use?
yale.edu is built with Drupal, jQuery, Google Analytics, Nginx.
Is yale.edu secure (HTTPS)?
Yes. yale.edu uses TLS 1.2 with a certificate issued by Certainly, valid until Aug 14, 2026.
Who hosts yale.edu?
Hosting provider information for yale.edu is not available yet.
What is yale.edu's SEO score?
yale.edu scored 70/100 for SEO in the latest analysis (fair).
What is yale.edu's overall website score?
yale.edu has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
Has yale.edu's score changed over time?
yale.edu's overall score has improved by 1 point (from 88 to 89) since Jul 18, 2026.