What powers 
visit.istanbul?
Last seen Oct 2026 · 14 technologies across 10 categories
Analytics
Google Analytics
since Jun 2021
CDN
jsDelivr
since Dec 2023
Font scripts
Google Font API
since Mar 2020
Hosting panels
Plesk
since Dec 2023
JavaScript libraries
Security
HSTS
since Apr 2023
Video players
YouTube
since Dec 2023
Web frameworks
Microsoft ASP.NET
since Dec 2023
Web servers
Kestrel
since Dec 2023
Webmail
Google Workspace
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Nov 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 67% phone
- 33% desktop
Germany
United Kingdom
United States
Türkiye
Italy
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.89 / 10 · ranked #659,055 of all domains
59 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.2 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 19.7 MB · 155 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on CIZGI CIZGI TELEKOMUNIKASYON ANONIM SIRKETI (94.73.170.75)
- DNS: natrohost.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: ZeroSSL, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 1,069,235, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Apr 2026