What powers esim.site?
Last seen Oct 2026 · 27 technologies across 12 categories
Advertising
Analytics
CDN
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
AI Crawlers
Restricts 9 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 24 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 perplexity-user added to robots.txt
- Oct 2026 claude-user added to robots.txt
- Oct 2026 claude-web removed from robots.txt
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 anthropic-ai removed from robots.txt
- Sep 2026 amazonbot removed from robots.txt
AI Crawlers
9 of 33 AI crawlers restricted
Standards: llms.txt
Audience
- 100% phone
Italy
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 2.4 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 3.5 MB · 131 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.8.105, IPv6)
- DNS: Cloudflare DNS
- Email: esim.site
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 31,749,085
- Verified with: Google, Yandex Webmaster
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 DDoS-Guard Oct 2026
- detected HSTS Oct 2026
- dropped REG.RU Oct 2026
- dropped Tilda Oct 2026