What powers vialevo.co.jp?

Last seen Oct 2026 · 12 technologies across 9 categories

CMS

microCMS
since Sep 2026

Development

Turbopack
since Sep 2026

JavaScript frameworks

Next.js v16.2.6
since Sep 2026
Next.js App Router
since Sep 2026
React
since Sep 2026

Miscellaneous

Open Graph
since Sep 2026
Webpack
since Sep 2026

PaaS

Vercel
since Sep 2026

Performance

Priority Hints
since Sep 2026

Programming languages

Node.js
since Sep 2026

Security

HSTS
since Sep 2026

Tag managers

Google Tag Manager
since Sep 2026

AI Crawlers

Restricts 12 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • Applebot-Extended Restricted
  • CCBot Restricted
  • ClaudeBot Restricted
  • Google-Extended Restricted
  • GPTBot Restricted
  • meta-externalagent Restricted

Search and AI assistants

  • Claude-SearchBot Restricted
  • OAI-SearchBot Restricted
  • PerplexityBot Restricted

User-request fetchers

  • ChatGPT-User Restricted
  • Claude-User Restricted
  • Perplexity-User Restricted

The other 21 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

See who blocks each AI crawler across the web

AI Crawlers

12 of 33 AI crawlers restricted

Standards: llms.txt

Full breakdown

Audience

  • Japan

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

Core Web Vitals

LCP1.2 s
INP50 ms
CLS0
TTFB200 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Japanese
  • CDN: Vercel
  • Weight: 2.1 MB · 19 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • 株式会社Vialevo

From the homepage's own structured data (Oct 2026).

Infrastructure

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

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