cmu.edu
Carnegie Mellon University | CMU
Last scanned Jul 29, 2026, 12:00 PM · 18 views
Overall score
Excellent
Summary
A private, global research university, Carnegie Mellon stands among the world's top educational institutions with its cutting-edge programs and innovations. This website uses Nginx behind Fastly CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing OpenGraph tags.
A private, global research university, Carnegie Mellon stands among the world's top educational institutions with its cutting-edge programs and innovations.
Top issues to fix
5 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
621 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 18, 2026
- Overall
- 93
- SEO
- 85
- Security
- 90
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
A private, global research university, Carnegie Mellon stands among the world's top educational institutions with its cutting-edge programs and innovations.
Contact
Email, phone, and address published on this site's own pages.
- Phone
- 4122682000
Meta tags
- Title
- Carnegie Mellon University | CMU
- Description
- A private, global research university, Carnegie Mellon stands among the world's top educational institutions with its cutting-edge programs and innovations.
- Canonical
- https://www.cmu.edu/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Fastly
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Internet2
- Subject
- www.cmu.edu
- Valid from
- Dec 18, 2025
- Valid to
- Jan 18, 2027
- Days until expiry
- 173
- SAN domains
- www.cmu.edu, admission.enrollment.cmu.edu, ai-sdm.cmu.edu, alumni.cmu.edu, blockchain.cmu.edu, bme.cmu.edu, box.cmu.edu, caps.web.cmu.edu, carnegiemellon.edu, carnegiemellon.org, carnegiemellontoday.cmu.edu, cbd.cmu.edu, ccsa.sv.cmu.edu, cfa.cmu.edu, cms.heinz.cmu.edu, cmtoday.cmu.edu, cmu.edu, cmuenergyweek.org, cmutoday.cmu.edu, compbio.cmu.edu, cooling.ce.cmu.edu, covidcast.cmu.edu, data.cmu.edu, disaster.sv.cmu.edu, dmi.sv.cmu.edu, education.rec.ri.cmu.edu, email.alumni.cmu.edu, email.cmu.edu, engage.cmu.edu, english.cmu.edu, giftplanning.cmu.edu, giving.cmu.edu, givingcmuday.cmu.edu, gollum.mac.cc.cmu.edu, google.cmu.edu, googlepassword.cmu.edu, greenscienceinstitute.com, greenscienceinstitute.net, greenscienceinstitute.org, hadr.cmu.edu, help.cmu.edu, ideate.cmu.edu, infoserver.andrew.cmu.edu, ini.cmu.edu, it-help.cmu.edu, leadership.cmu.edu, mail.alumni.cmu.edu, makepossible.cmu.edu, metro21.cmu.edu, metro21.heinz.cmu.edu, metro21.org, msas.cbd.cmu.edu, music.cmu.edu, my.cmu.edu, myapps.andrew.cmu.edu, myotpapps.andrew.cmu.edu, nexus.ece.cmu.edu, playtest.etc.cmu.edu, pmbook.ce.cmu.edu, policy.andrew.cmu.edu, psy.cmu.edu, quake.ce.cmu.edu, responsibleai.cmu.edu, reuse.cs.cmu.edu, scs4all.cs.cmu.edu, search.web.cmu.edu, shift.cmu.edu, social.cmu.edu, sparcs.cmu.edu, sv.cmu.edu, timeline.cmu.edu, today.cmu.edu, vaccine.cmu.edu, web-search.andrew.cmu.edu, west.cmu.edu, women.cs.cmu.edu, www.alumni.cmu.edu, www.arc.cmu.edu, www.bme.cmu.edu, www.carnegiemellon.edu, www.cbd.cmu.edu, www.ce.cmu.edu, www.cfa.cmu.edu, www.cmuenergyweek.org, www.compbio.cmu.edu, www.covidcast.cmu.edu, www.education.rec.ri.cmu.edu, www.epp.cit.cmu.edu, www.epp.cmu.edu, www.giftplanning.cmu.edu, www.giving.cmu.edu, www.greenscienceinstitute.com, www.greenscienceinstitute.net, www.greenscienceinstitute.org, www.help.cmu.edu, www.ideate.cmu.edu, www.ini.cmu.edu, www.metro21.cmu.edu, www.metro21.org, www.msas.cbd.cmu.edu, www.music.cmu.edu, www.nrec.ri.cmu.edu, www.psy.cmu.edu, www.r53.cmu.edu, www.rec.ri.cmu.edu, www.scs4all.cs.cmu.edu, www.shift.cmu.edu, www.store.cc.cmu.edu, www.sv.cmu.edu, www.telecom.cc.cmu.edu, www.timeline.cmu.edu, www.women.cs.cmu.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 1 · H2 11 · H3 5
Links
70 internal · 24 external · 20 broken
Images
24 total · 0 missing alt
Scripts / Styles
19 scripts · 6 stylesheets
JS / CSS size
1.8 KB · 0 B
Page size
100 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://cmu.edu
- Final URL
- https://www.cmu.edu/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 619 ms
- HTML size
- 100 KB
- Redirect chain
- https://cmu.edu → https://www.cmu.edu/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cmu.edu use?
- cmu.edu is built with Drupal, jQuery, Nginx.
- Is cmu.edu secure (HTTPS)?
- Yes. cmu.edu uses TLS 1.2 with a certificate issued by Internet2, valid until Jan 18, 2027.
- Who hosts cmu.edu?
- Hosting provider information for cmu.edu is not available yet.
- What is cmu.edu's SEO score?
- cmu.edu scored 85/100 for SEO in the latest analysis (great).
- What is cmu.edu's overall website score?
- cmu.edu has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Has cmu.edu's score changed over time?
- cmu.edu's overall score has declined by 3 points (from 96 to 93) since Jul 18, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card