What powers parallel.jp?
Last seen Sep 2026 · 69 technologies across 25 categories
Advertising
Affiliate programs
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Maps
Miscellaneous
Page builders
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Web servers
Widgets
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 llms.txt removed
- Sep 2026 robots.txt removed
- Aug 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Audience
- 58% phone
- 42% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.76 / 10 · ranked #132,133 of all domains
179 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 0.7 MB · 33 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- とある内科医の雑記帳
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on GMO Internet (150.95.250.159)
- DNS: Lolipop
- Email: mail.parallel.jp
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 452,537, 132 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| holy-saito-8151.parallel.jp | 27 |
| osakana.parallel.jp | 21 |
| yo-fujii.parallel.jp | 21 |
| otokozawa.parallel.jp | 20 |
| spica1227kyujin.parallel.jp | 20 |
| news-kun.parallel.jp | 17 |
| side.parallel.jp | 16 |
| nishizawa.parallel.jp | 15 |
| tsuneeet.parallel.jp | 15 |
| dada.parallel.jp | 14 |
| kaji15en.parallel.jp | 14 |
| moonemissary.parallel.jp | 13 |
| nernst.parallel.jp | 13 |
| 34swmr.parallel.jp | 10 |
| kamaisifishing.parallel.jp | 10 |
| hosemantalk.parallel.jp | 9 |
| ote15en.parallel.jp | 9 |
| gogostudy1000.parallel.jp | 8 |
| tocca571.parallel.jp | 8 |
| cgi-garage.parallel.jp | 6 |
| tomoe.parallel.jp | 5 |
| kuishinbou.parallel.jp | 4 |
| nks.parallel.jp | 4 |
| ajishin2848.parallel.jp | 3 |
Full technology history →
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Recent changes
- detected Snowplow Analytics Aug 2026
- dropped Snowplow Analytics Jun 2026
- detected Snowplow Analytics Apr 2026
- dropped Snowplow Analytics Feb 2026
- detected Snowplow Analytics Dec 2025
- dropped FingerprintJS Nov 2025