cmu.edu
Carnegie Mellon University | CMU
Last scanned Jul 18, 2026, 8:49 PM
Overall score
Excellent
Top issues to fix
3 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.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
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 hosted on CMU-ROUTER - Carnegie Mellon University, US behind Fastly CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing OpenGraph tags.
SEO
1 issue(s) found
Performance
673 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
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
- CMU-ROUTER - Carnegie Mellon University, US
- CDN provider
- Fastly
- IP address
- 128.2.42.52
- ASN
- AS9 (CMU-ROUTER - Carnegie Mellon University, US)
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
- 184
- 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
69 internal · 24 external · 1 broken
Images
24 total · 0 missing alt
Scripts / Styles
19 scripts · 6 stylesheets
JS / CSS size
176 KB · 286 KB
Page size
99.4 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 3
- sitemap.xml
- Found
- URLs in sitemap
- 287
SEO issues
- Missing OpenGraph tags
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
- 671 ms
- HTML size
- 99.4 KB
- Redirect chain
- https://cmu.edu → https://www.cmu.edu/
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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?
- cmu.edu is hosted on CMU-ROUTER - Carnegie Mellon University, US, behind Fastly CDN.
- What is cmu.edu's SEO score?
- cmu.edu scored 95/100 for SEO in the latest analysis (excellent).
- What is cmu.edu's overall website score?
- cmu.edu has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card