What powers ifdef.jp?
Last seen Jun 2026 · 36 technologies across 18 categories
Advertising
Amazon Advertising
since Oct 2021
Criteo
since Jun 2018
DoubleClick Ad Exchange (AdX)
since Nov 2023
Google AdSense
since Aug 2018
Advertising Networks
DoubleClick for Publishers (DFP)
since Dec 2018
Affiliate programs
Analytics
Google Analytics
since Aug 2018
Snowplow Analytics
since Aug 2024
CDN
cdnjs
since Sep 2022
Cloudflare
since Nov 2021
Google Hosted Libraries
since Mar 2022
jsDelivr
since Dec 2024
Font scripts
Google Font API
since Nov 2025
JavaScript libraries
Load balancers
Amazon ALB
since Apr 2023
Miscellaneous
PaaS
Amazon Web Services
since Apr 2023
Programming languages
Security
Cloudflare Bot Management
since Nov 2021
reCAPTCHA
since Apr 2022
Segmentation
Adobe Audience Manager
since Aug 2022
Tag managers
Google Tag Manager
since Dec 2018
UI frameworks
Web frameworks
Microsoft ASP.NET
since Sep 2023
Web servers
Widgets
Audience
- 61% phone
- 39% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.92 / 10 · ranked #49,862 of all domains
568 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.4 MB · 68 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| gutereise.ifdef.jp | 12 |
| kaisya.ifdef.jp | 10 |
| axcel.ifdef.jp | 9 |
| nekotojyouki.ifdef.jp | 9 |
| potaphoto.ifdef.jp | 9 |
| szk.ifdef.jp | 9 |
| u15.ifdef.jp | 9 |
| utilityrank.ifdef.jp | 9 |
| zat.ifdef.jp | 9 |
| kmbl.ifdef.jp | 8 |
| utena.ifdef.jp | 8 |
| franceroman.ifdef.jp | 7 |
| m.hg2.ifdef.jp | 7 |
| qru2.ifdef.jp | 7 |
| rurenzyouka.ifdef.jp | 7 |
| sowhat.ifdef.jp | 7 |
| umedaen.ifdef.jp | 7 |
| ai2001.ifdef.jp | 6 |
| caiman0223jp.ifdef.jp | 6 |
| kara.ifdef.jp | 6 |
| kentaro.ifdef.jp | 6 |
| shirakawa.ifdef.jp | 6 |
| wildturkey.ifdef.jp | 6 |
| 144air.ifdef.jp | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Jun 2026
- dropped Cloudflare Bot Management Apr 2026
- dropped i-mobile Feb 2026
- detected i-mobile Dec 2025
- detected Google Font API Nov 2025
- dropped PubMatic Sep 2025