What powers buysellstartups.com?
Last seen Sep 2026 · 15 technologies across 10 categories
Analytics
Authentication
CDN
Font scripts
JavaScript frameworks
Miscellaneous
Performance
Programming languages
UI frameworks
Webmail
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
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 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: Content Signals
Open Page Rank
2.49 / 10 · ranked #2,511,142 of all domains
34 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.4 MB · 43 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Buy Sell Startups
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.11.208, IPv6)
- Email: no MX record returned
- Email security: DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 7,516,508, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| buysellstartups.com | 15 |
| www.buysellstartups.com | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Jun 2026
- dropped Google Hosted Libraries Jun 2026
- dropped HSTS Jun 2026
- dropped jQuery Jun 2026
- dropped Tally Jun 2026
- dropped Webflow Jun 2026
- dropped Webflow Ecommerce Jun 2026
- detected Cloudflare Browser Insights May 2026
- detected NextAuth.js May 2026
- detected Next.js May 2026
- detected Next.js App Router May 2026
- detected Node.js May 2026
- detected Priority Hints May 2026
- detected React May 2026
- detected Tailwind CSS May 2026
- dropped MemberStack Jan 2026