What powers roundcut.app?
Last seen Oct 2026 · 12 technologies across 9 categories
Advertising
Analytics
CDN
Cookie compliance
Miscellaneous
Performance
Security
Static site generator
Tag managers
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Allowed
- Bytespider Allowed
- CCBot Allowed
- ClaudeBot Allowed
- FacebookBot Allowed
- Google-CloudVertexBot Allowed
- Google-Extended Allowed
- GoogleOther Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Allowed
- Claude-SearchBot Allowed
- DuckAssistBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- MistralAI-User Allowed
- Perplexity-User Allowed
The other 14 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 61% phone
- 36% desktop
- 3% tablet
India
Indonesia
Egypt
Brazil
United States
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.34 / 10 · ranked #8,101,920 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.1 MB · 102 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- RoundCut
- Industry: Software and apps (declares
WebApplication) - Profiles: X
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.90.116, IPv6)
- DNS: Cloudflare DNS
- Email: Cloudflare Email Routing
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 29,295,013
- Verified with: Google, Yandex Webmaster
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Tag Manager Oct 2026
- detected Funding Choices Sep 2026
- detected Google AdSense Sep 2026
- detected Naver Analytics Sep 2026
- detected Priority Hints Sep 2026
- detected PWA Sep 2026
- detected reCAPTCHA Sep 2026
- dropped Cloudflare Browser Insights Aug 2026