What powers tier4.jp?
Last seen Jun 2026 · 54 technologies across 28 categories
Advertising
Microsoft Advertising
since Feb 2025
Twitter Ads
since Jul 2021
Analytics
Authentication
Facebook Login
since Jul 2021
Caching
Varnish
since Mar 2020
CDN
Amazon CloudFront
since Mar 2020
Amazon S3
since Dec 2020
cdnjs
since Oct 2021
Cloudflare
since May 2022
CMS
Cookie compliance
CRM
Salesforce
since Aug 2022
Ecommerce
Cart Functionality
since Oct 2022
Amazon SES
since May 2026
Font scripts
Google Font API
since Jul 2019
Issue trackers
Sentry
since Mar 2020
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Amazon Web Services
since Mar 2020
Performance
Priority Hints
since Aug 2023
Programming languages
TypeScript
since Apr 2026
Security
Tag managers
Google Tag Manager
since Oct 2019
Translation
Weglot
since Oct 2022
UI frameworks
Tailwind CSS
since May 2026
Video players
YouTube
since Mar 2020
Web servers
Nginx
since Nov 2019
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
Widgets
Twitter
since Mar 2020
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| tier 4 | #2 | 160 |
| tier iv | #1 | 59 |
| open source autonomous vehicle | #7 | 12 |
| tier iv | #5 | 9 |
| tie4 | #1 | 9 |
| autonomous driving open source | #14 | 3 |
| newmo | #9 | 2 |
| operational design domain | #8 | 2 |
| camera automotive | #34 | 1 |
| tier iv | #27 | 1 |
| tier iv | #19 | 1 |
| autonomous driving open source | #32 | 1 |
| source tier | #13 | 1 |
| odd operational design domain | #5 | 1 |
| open source autonomous vehicle | #33 | 1 |
| open source autonomous driving software | #10 | 1 |
| t4 cars | #46 | 0 |
| tier logo | #11 | 0 |
| tier 4 technologies | #74 | 0 |
| tier 4 technologies | #24 | 0 |
| tier 4 b | #25 | 0 |
| tie4 | #19 | 0 |
| tire 4 all mechanics | #44 | 0 |
| top tier japan | #88 | 0 |
| waymo level 4 | #46 | 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.
Audience
- 67% desktop
- 33% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.20 / 10 · ranked #97,043 of all domains
240 referring domains · OpenPageRank
Search traffic
270 est. monthly organic visits (US)
51 keywords in Google's top 30
Core Web Vitals
| LCP | 3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| careers.tier4.jp | 26 |
| services.tier4.jp | 24 |
| sensor.tier4.jp | 20 |
| solutions.tier4.jp | 20 |
| tech.tier4.jp | 18 |
| tier4.jp | 17 |
| www.tier4.jp | 11 |
| account.tier4.jp | 7 |