What powers 
http.dev?
Last seen Sep 2026 · 7 technologies across 5 categories
Analytics
CDN
JavaScript libraries
Miscellaneous
Security
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 Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| code 206 | #60 | 350 |
| 408 code | #27 | 350 |
| 400 | #23 | 210 |
| 302 | #76 | 130 |
| code 408 | #32 | 100 |
| 214 code | #49 | 100 |
| 403 forbidden | #45 | 57 |
| 412 code | #29 | 57 |
| 503 | #55 | 57 |
| 502 | #53 | 57 |
| status code 204 | #8 | 43 |
| range requests | #2 | 42 |
| http-range request | #2 | 42 |
| x-request-id | #2 | 34 |
| http1 1 | #2 | 32 |
| http/1.1 get | #2 | 28 |
| http redirect | #3 | 26 |
| byte-range requests | #3 | 25 |
| byte range requests | #3 | 25 |
| http range | #3 | 25 |
| http codes 409 | #3 | 25 |
| http 400 | #13 | 24 |
| http authentication example | #2 | 23 |
| http 530 | #2 | 23 |
| http methods | #12 | 22 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 51% phone
- 49% desktop
India
Germany
United Kingdom
United States
Indonesia
Vietnam
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.62 / 10 · ranked #144,069 of all domains
118 referring domains · OpenPageRank
Search traffic
4,000 est. monthly organic visits (US)
2,003 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.1 MB · 16 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Registered May 2021 (5 years) via Hosting Concepts B.V. d/b/a Registrar.eu, renews May 2030
- Hosted on Cloudflare (104.21.77.163, IPv6)
- DNS: Cloudflare DNS
- Email: Forward Email
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 449,460, 2 hosts
- Verified with: Forward Email, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Cloud Jan 2026
- dropped Google Cloud Trace Jan 2026
- dropped Google Workspace Jan 2026
- detected Clipboard.js Dec 2025
- detected Cloudflare Dec 2025
- detected Cloudflare Browser Insights Dec 2025
- detected HTTP/3 Dec 2025