What powers rostra.co?
Last seen Oct 2026 · 8 technologies across 6 categories
Analytics
Google Analytics
since Apr 2024
Caching
Varnish
since Apr 2024
CDN
Cloudflare
since Apr 2024
Fastly
since Apr 2024
Miscellaneous
HTTP/3
since Dec 2024
PaaS
GitHub Pages
since Apr 2024
Webmail
Apple iCloud Mail
since Sep 2024
Google Workspace
since Apr 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.09 / 10 · ranked #3,355,157 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- CDN: Fastly
- Weight: 0.2 MB · 5 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Google Cloud DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 7,485,235, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.rostra.co | 8 |
| rostra.co | 5 |