What powers f11performancelab.com?
Last seen Oct 2026 · 13 technologies across 11 categories
Analytics
CDN
Font scripts
JavaScript frameworks
JavaScript graphics
Live chat
Miscellaneous
Programming languages
Tag managers
UI frameworks
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.31 / 10 · ranked #47,561,431 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Spanish
- CDN: Cloudflare
- Weight: 5.5 MB · 82 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.55.64, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Verified with: Apple Business, Google, Meta Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped core-js Sep 2026
- dropped Facebook Pixel Sep 2026
- detected Google Tag Manager Sep 2026
- dropped Next.js Sep 2026
- dropped Next.js App Router Sep 2026
- dropped Open Graph Sep 2026
- dropped Priority Hints Sep 2026
- dropped PWA Sep 2026
- dropped React Sep 2026
- dropped Tailwind CSS Sep 2026
- detected Umami Sep 2026
- dropped Webpack Sep 2026
- detected WhatsApp Business Chat Sep 2026
- detected Google Font API Aug 2026
- detected Svelte Aug 2026
- detected SvelteKit Aug 2026
- detected Three.js Aug 2026
- detected Vite Aug 2026
- detected Apple iCloud Mail May 2026