What powers 
ucsc-extension.edu?
Last seen Sep 2026 · 54 technologies across 23 categories
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
PaaS
Page builders
Payment processors
Programming languages
Security
Tag managers
UI frameworks
Video Players
Web frameworks
Web Servers
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 81% desktop
- 19% phone
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.71 / 10 · ranked #306,410 of all domains
113 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 2.5 MB · 78 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (23.185.0.3, IPv6)
- DNS: ucsc.edu
- Email: no MX record returned
- Email security: SPF (hard fail), MTA-STS, BIMI
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,265,868, 7 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.ucsc-extension.edu | 26 |
| ucsc-extension.edu | 23 |
| blog.ucsc-extension.edu | 19 |
| course.ucsc-extension.edu | 15 |
| classroom.ucsc-extension.edu | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Microsoft Clarity Jul 2026