What powers black-leather-works.com?
Last seen Aug 2026 · 21 technologies across 15 categories
Advertising
Twitter Ads
since Jan 2024
Analytics
Google Analytics
since Jan 2024
Authentication
Facebook Login
since Jan 2024
CDN
Cloudflare
since Jan 2024
Ecommerce
stores.jp
since Jan 2024
Font scripts
Google Font API
since Jan 2024
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2024
Payment processors
Mastercard
since Jan 2024
Visa
since Jan 2024
Programming languages
Ruby
since Jan 2024
Security
Cloudflare Bot Management
since Jan 2024
HSTS
since Jan 2024
Tag managers
Google Tag Manager
since Jan 2024
Web frameworks
Ruby on Rails
since Jan 2024
Widgets
Twitter
since Jan 2024
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 31 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
2 of 33 AI crawlers blocked
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.39 / 10 · ranked #37,936,148 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 2.2 MB · 67 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.