What powers 
udtalk.jp?
Last seen Oct 2026 · 23 technologies across 13 categories
CDN
CMS
Databases
Documentation
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
UI frameworks
Web frameworks
Web servers
WordPress plugins
WordPress themes
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| ud | #50 | 57 |
| csv to srt | #93 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 63% desktop
- 37% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.66 / 10 · ranked #140,446 of all domains
141 referring domains · OpenPageRank
Search traffic
57 est. monthly organic visits (US)
2 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 1.2 MB · 40 requests
- WordPress theme: lightning · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (133.242.249.48)
- DNS: Onamae.com
- Email: onamae.ne.jp
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 127,280, 9 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| udtalk.jp | 17 |
| tools.udtalk.jp | 10 |
| service.udtalk.jp | 2 |
Full technology history →
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Recent changes
- detected Elementor Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025