What powers la21.jp?
Last seen Jun 2026 · 41 technologies across 18 categories
Advertising
33Across
since Jun 2023
AppNexus
since Mar 2023
Google AdSense
since Dec 2020
GumGum
since Sep 2023
ID5
since Oct 2023
OpenX
since Jun 2023
Prebid
since Mar 2023
PubMatic
since Jun 2023
Rubicon Project
since Mar 2023
Smart Ad Server
since Mar 2023
TripleLift
since Jun 2023
Utiq
since Oct 2024
Affiliate programs
Moshimo
since Sep 2022
Analytics
Google Analytics
since Dec 2020
Microsoft Clarity
since Mar 2024
Quantcast Measure
since Feb 2022
Snowplow Analytics
since Jul 2023
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Dec 2020
CMS
WordPress
since Dec 2020
Databases
MySQL
since Dec 2020
Font scripts
Font Awesome
since Dec 2020
Google Font API
since Dec 2020
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Dec 2020
Security
Cloudflare Bot Management
since Aug 2023
reCAPTCHA
since Apr 2022
Segmentation
Adobe Audience Manager
since Oct 2023
Tag managers
Google Tag Manager
since Dec 2020
Web servers
Nginx
since Dec 2020
Widgets
Po.st
since Mar 2023
WordPress plugins
Audience
- 88% phone
- 13% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.46 / 10 · ranked #27,644,223 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 125 ms |
| CLS | 0.1 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.4 MB · 2,026 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Cloudflare Bot Management Jun 2026
- detected GumGum Jun 2026
- dropped Microsoft ASP.NET Apr 2026