What powers open-access-button.org?
Last seen Aug 2026 · 10 technologies across 7 categories
Advertising
Analytics
CDN
Cookie compliance
Miscellaneous
Security
UI frameworks
AI Crawlers
Blocks 16 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
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 17 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
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
16 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 100% desktop
India
Indonesia
Brazil
United States
Mexico
Iran
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.7 MB · 28 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| www.open-access-button.org | 10 |
| open-access-button.org | 9 |
Full technology history →
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Recent changes
- detected Funding Choices Aug 2026