What powers 
trial-error.org?
Last seen Oct 2026 · 10 technologies across 6 categories
CDN
CMS
JavaScript frameworks
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #906,370 of all domains
67 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.8 MB · 46 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- DNS: Gandi
- Email: Gandi
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 2,075,215, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Jul 2026
- detected Cloudflare Bot Management Jul 2026
- detected HSTS Jul 2026
- detected HTTP/3 Jul 2026
- detected Jimdo Jul 2026
- detected Lodash Jul 2026
- detected Modernizr Jul 2026
- detected Mustache Jul 2026
- detected Open Graph Jul 2026
- detected RSS Jul 2026
- dropped core-js Apr 2026
- dropped Nginx Apr 2026
- detected Cloudflare Mar 2026
- detected Cloudflare Bot Management Mar 2026
- detected HTTP/3 Mar 2026