What powers vividsound.co.jp?

Last seen Aug 2026 · 18 technologies across 12 categories

CMS

WordPress
since Feb 2019

Databases

MySQL
since Feb 2019

Ecommerce

Cart Functionality
since Aug 2020

Font scripts

Google Font API
since Feb 2019

Hosting

Sakura Internet
since Aug 2022

JavaScript libraries

core-js v3.35.1
since Feb 2026
jQuery v3.3.1
since Jan 2019
LazySizes
since Feb 2022

Miscellaneous

Gravatar
since May 2019
Open Graph
since Sep 2022
Popper
since Apr 2022
RSS
since Dec 2022

Programming languages

PHP
since Jan 2019

UI frameworks

Bootstrap v3.3.1
since Feb 2019

Web servers

Nginx
since Feb 2019

Widgets

FlexSlider
since Feb 2019

WordPress plugins

Jetpack
since Feb 2022
MetaSlider
since Feb 2022

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

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 50% phone
  • 50% desktop
  • Japan

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

3.95 / 10 · ranked #611,833 of all domains

47 referring domains · OpenPageRank

Core Web Vitals

LCP1.4 s
INP25 ms
CLS0
TTFB800 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Japanese
  • Weight: 10.6 MB · 125 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Vivid Sound
  • Founded: 1973
  • Country: Japan

From Wikidata (CC0).

Infrastructure

  • Hosted on Sakura Internet (163.43.87.193)
  • DNS: Sakura Internet
  • Email: vividsound.co.jp
  • Email security: SPF (soft fail), no DMARC record
  • SSL: Let's Encrypt, RSA 2048, expires Dec 2026
  • Common Crawl link graph: rank 2,671,247, 2 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

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