What powers covelline.com?
Last seen Jun 2026 · 25 technologies across 17 categories
Advertising
Twitter Ads
since May 2022
Analytics
Google Analytics
since May 2022
Authentication
Facebook Login
since May 2022
Caching
Varnish
since Sep 2022
CDN
Amazon CloudFront
since May 2026
Cloudflare
since May 2022
CMS
Hatena Blog
since Aug 2023
Issue trackers
Sentry
since Sep 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Aug 2023
Open Graph
since Sep 2022
PWA
since Aug 2022
RSS
since Aug 2023
Webpack
since Aug 2023
PaaS
Amazon Web Services
since Sep 2022
Programming languages
Node.js
since Aug 2023
Security
Cloudflare Bot Management
since May 2022
Tag managers
Google Tag Manager
since May 2022
Web servers
Nginx
since Jun 2020
Webmail
Google Workspace
since Aug 2022
Widgets
Twitter
since Jun 2020
Audience
- 76% desktop
- 24% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.00 / 10 · ranked #1,581,123 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 1.3 MB · 41 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.covelline.com | 17 |
| covelline.com | 11 |
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Recent changes
- dropped Cloudflare Bot Management Nov 2025