What powers 121628.xyz?
Last seen Aug 2026 · 10 technologies across 7 categories
Analytics
CDN
JavaScript frameworks
Miscellaneous
Performance
Security
UI frameworks
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 not checked
- ai.txt not checked
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 85% desktop
- 15% phone
United States
Japan
China
Hong Kong SAR China
Singapore
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.34 / 10 · ranked #45,527,960 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.6 s |
| INP | 150 ms |
| CLS | 0.05 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.6 MB · 31 requests
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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Recent changes
- dropped Prism Aug 2026
- dropped React Router Aug 2026
- detected Base UI Jul 2026
- detected Radix UI Jul 2026
- detected shadcn/ui Jul 2026