What powers seifer.co.il?
Last seen Oct 2026 · 29 technologies across 19 categories
Analytics
Authentication
CDN
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Miscellaneous
PaaS
Performance
Programming languages
Security
Static site generator
UI frameworks
Webmail
Widgets
AI Crawlers
Restricts 10 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Restricted
- 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 23 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 llms.txt appeared
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 applebot-extended added to robots.txt
- Oct 2026 claude-searchbot added to robots.txt
- Oct 2026 * added to robots.txt
AI Crawlers
10 of 33 AI crawlers restricted
Standards: llms.txt
Audience
- 74% phone
- 26% desktop
Israel
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.46 / 10 · ranked #6,854,842 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Hebrew
- CDN: Vercel
- Weight: 6.8 MB · 28 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- זייפר
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (64.29.17.65)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 27,035,256
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.seifer.co.il | 22 |
| seifer.co.il | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Astro Oct 2026
- detected Open Graph Oct 2026
- detected Priority Hints Oct 2026
- detected Tailwind CSS Oct 2026
- dropped PayPal Apr 2026
- dropped Apache HTTP Server Mar 2026
- detected HTTP/3 Feb 2026