What powers javiersierra.com?
Last seen Sep 2026 · 24 technologies across 17 categories
Affiliate programs
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting panels
JavaScript libraries
Miscellaneous
Mobile frameworks
Page builders
Performance
Programming languages
Video players
Web servers
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 bytespider removed from robots.txt
- 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
- Sep 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 88% phone
- 12% desktop
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.08 / 10 · ranked #1,451,886 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 2600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Spanish
- CDN: Cloudflare
- Weight: 7.7 MB · 75 requests
- WordPress theme: divi (child: js) · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.88.246)
- DNS: Cloudflare DNS
- Email: javiersierra.com
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 753,865, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Browser Insights Sep 2026
- detected HTTP/3 Sep 2026
- dropped Open Graph Aug 2026
- detected Cloudflare Jul 2026