What powers yellowcard.engineering?
Last seen Aug 2026 · 10 technologies across 8 categories
CDN
Cloudflare
since May 2023
Documentation
ReadMe
since May 2023
Issue trackers
Sentry
since May 2023
JavaScript libraries
Loadable-Components
since May 2023
Miscellaneous
Open Graph
since May 2023
PaaS
Render
since Nov 2023
Performance
Cloudflare Zaraz
since Feb 2026
Security
Cloudflare Bot Management
since May 2023
HSTS
since May 2023
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 72% desktop
- 28% phone
Nigeria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.53 / 10 · ranked #23,487,184 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 4.2 MB · 52 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Algolia Aug 2026
- detected Algolia May 2026
- dropped Microsoft Clarity May 2026
- detected Microsoft Clarity Mar 2026
- detected Cloudflare Zaraz Feb 2026
- detected Sentry Feb 2026