What powers 
up-front-works.jp?
Last seen Sep 2026 · 17 technologies across 13 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Aug 2018
CDN
Font scripts
Google Font API
since Jul 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2026
PaaS
Amazon Web Services
since Aug 2022
Security
Cloudflare Bot Management
since Mar 2025
Tag managers
Google Tag Manager
since Jul 2023
Video players
YouTube
since Jul 2026
Web servers
Apache HTTP Server
since Jun 2017
Widgets
Twitter
since Aug 2018
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 70% phone
- 30% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.59 / 10 · ranked #388,853 of all domains
80 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 9.4 MB · 531 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Up-Front Works
- Founded: 1993
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (99.84.234.42)
- DNS: Amazon Route 53
- Email: upka.net
- Email security: no SPF record, no DMARC record
- SSL: Amazon Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 622,600, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| up-front-works.jp | 11 |
| www.up-front-works.jp | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Amazon CloudFront Apr 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025