What powers rrweb.com?
Last seen Aug 2026 · 15 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Jul 2026
Authentication
Clerk
since Jul 2026
CDN
Cloudflare
since Jul 2026
Issue trackers
Sentry
since Jul 2026
JavaScript frameworks
Svelte
since Jul 2026
TanStack Start
since Aug 2026
Miscellaneous
Performance
Priority Hints
since Aug 2026
Security
Cloudflare Bot Management
since Jul 2026
UI frameworks
Webmail
Google Workspace
since Jul 2026
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.10 / 10 · ranked #11,044,127 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Aug 2026
- detected TanStack Start Aug 2026