What powers readever.app?
Last seen Oct 2026 · 20 technologies across 12 categories
Analytics
Authentication
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
Video players
AI Crawlers
Restricts 4 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- OAI-SearchBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
4 of 33 AI crawlers restricted
Audience
- 60% phone
- 40% desktop
India
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.67 / 10 · ranked #5,180,671 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.3 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 2.8 MB · 126 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: Vercel
- Email: feishu.cn
- Email security: SPF (hard fail), DMARC monitor only, CAA
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 10,832,363, 2 hosts
- Verified with: Feishu, Google
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 core-js Jan 2026
- detected Facebook Pixel Jan 2026
- detected YouTube Jan 2026
- dropped Google Tag Manager Dec 2025