What powers letterboxedpuzzle.com?
Last seen Aug 2026 · 12 technologies across 8 categories
Analytics
CDN
Comment systems
Font scripts
Hosting
Maps
Miscellaneous
Programming languages
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
- 59% phone
- 41% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.29 / 10 · ranked #1,138,740 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.3 MB · 19 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Aug 2026
- detected Cloudflare Browser Insights Aug 2026
- dropped core-js Aug 2026
- dropped Ezoic Aug 2026
- dropped FingerprintJS Aug 2026
- dropped Google Tag Manager Aug 2026
- dropped ID5 Aug 2026
- dropped Prebid Aug 2026
- dropped web-vitals Aug 2026
- detected core-js Jun 2026
- detected Ezoic Jun 2026
- detected FingerprintJS Jun 2026
- detected Google Tag Manager Jun 2026
- detected ID5 Jun 2026
- detected Prebid Jun 2026
- detected web-vitals Jun 2026