What powers welte.jp?
Last seen Aug 2026 · 6 technologies across 5 categories
Analytics
Snowplow Analytics
since May 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2022
Web servers
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 78% phone
- 22% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.32 / 10 · ranked #1,106,675 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.2 MB · 118 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on FC2-INC-2 (199.48.210.135)
- DNS: Amazon Route 53
- Email: welte.jp
- Email security: no SPF record, no DMARC record
- Common Crawl link graph: rank 6,724,628
DNS records as swept Aug 2026. How the web is hosted