What powers rot13.com?
Last seen Oct 2026 · 10 technologies across 9 categories
Advertising
Google AdSense
since Jul 2019
Analytics
Google Analytics
since Jul 2019
Caching
Varnish
since Sep 2025
CDN
Cloudflare
since May 2025
Fastly
since Sep 2025
PaaS
GitHub Pages
since Sep 2025
Performance
Priority Hints
since Sep 2026
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Jul 2019
Web servers
Apache HTTP Server
since Jan 2016
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 54% desktop
- 46% phone
United States
United Kingdom
Spain
Germany
Canada
Brazil
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.75 / 10 · ranked #275,765 of all domains
165 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.4 MB · 16 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Nov 2000 (25 years) via Cloudflare, Inc., renews Nov 2026
- Hosted on Fastly (185.199.108.153, IPv6)
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 430,579, 2 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| rot13.com | 8 |
| www.rot13.com | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Sep 2026