What powers lekarka.co.jp?
Last seen Aug 2026 · 33 technologies across 15 categories
Advertising
Google Ads
since Jan 2024
Microsoft Advertising
since Nov 2024
Twitter Ads
since Jun 2026
Yahoo Advertising
since Nov 2024
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Feb 2020
Matomo Analytics
since Mar 2024
Microsoft Clarity
since Nov 2024
Mouse Flow
since Sep 2024
CDN
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Google Font API
since Dec 2021
Issue trackers
Sentry
since Jun 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Jun 2026
Programming languages
PHP
since Feb 2020
Security
Cloudflare Bot Management
since Mar 2024
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Apr 2020
Video players
Web servers
Apache HTTP Server
since Feb 2020
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
AI Crawlers
No AI crawlers blocked
Audience
- 74% phone
- 26% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.67 / 10 · ranked #779,551 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 125 ms |
| CLS | 0.1 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 41.5 MB · 187 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Jun 2026
- detected Priority Hints Jun 2026
- detected Twitter Ads Jun 2026
- detected Slick Feb 2026
- dropped Google Hosted Libraries Dec 2025
- dropped jQuery CDN Dec 2025
- dropped U-KOMI Nov 2025
- detected jQuery CDN Oct 2025