What powers optbookmark.jp?
Last seen Jun 2026 · 16 technologies across 9 categories
Affiliate programs
A8.net
since Jun 2024
Analytics
Snowplow Analytics
since Apr 2021
CDN
JavaScript libraries
PaaS
Amazon Web Services
since Jan 2019
Programming languages
Web frameworks
CakePHP
since Aug 2021
Web server extensions
Web servers
Amazon EC2
since Jan 2019
Audience
- 56% phone
- 44% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.03 / 10 · ranked #1,542,867 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 13.3 MB · 102 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| tf.optbookmark.jp | 16 |
| optbookmark.jp | 15 |
| www.optbookmark.jp | 15 |