cu.edu
University of Colorado
Last scanned Jul 26, 2026, 1:19 PM
Overall score
Great
Summary
The University of Colorado (CU) is a premier public research university with four campuses: Boulder, Colorado Springs, Denver, and the Anschutz Medical Campus. This website uses Nginx behind Fastly CDN. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: No H1 heading found.
The University of Colorado (CU) is a premier public research university with four campuses: Boulder, Colorado Springs, Denver, and the Anschutz Medical Campus.
Top issues to fix
6 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
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
4 issue(s) found
Performance
579 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
The University of Colorado (CU) is a premier public research university with four campuses: Boulder, Colorado Springs, Denver, and the Anschutz Medical Campus.
Meta tags
- Title
- University of Colorado
- Description
- The University of Colorado (CU) is a premier public research university with four campuses: Boulder, Colorado Springs, Denver, and the Anschutz Medical Campus.
- Canonical
- https://www.cu.edu/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- Manifest
- https://www.cu.edu/site.webmanifest
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 1.3
- Issuer
- Let's Encrypt
- Subject
- cu.edu
- Valid from
- Jun 5, 2026
- Valid to
- Sep 3, 2026
- Days until expiry
- 36
- SAN domains
- cu.edu, ecomm.cu.edu, online.cu.edu, www.cu.edu, www.online.cu.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 0 · H2 9 · H3 4
Links
72 internal · 76 external · 20 broken
Images
16 total · 0 missing alt
Scripts / Styles
29 scripts · 6 stylesheets
JS / CSS size
39.4 KB · 2.5 KB
Page size
109 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://cu.edu
- Final URL
- https://www.cu.edu/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 577 ms
- HTML size
- 109 KB
- Redirect chain
- https://cu.edu → https://www.cu.edu/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does cu.edu use?
- cu.edu is built with Drupal, Google Analytics, Nginx.
- Is cu.edu secure (HTTPS)?
- Yes. cu.edu uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 3, 2026.
- Who hosts cu.edu?
- Hosting provider information for cu.edu is not available yet.
- What is cu.edu's SEO score?
- cu.edu scored 70/100 for SEO in the latest analysis (fair).
- What is cu.edu's overall website score?
- cu.edu has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card