What powers docurain.jp?

Last seen Aug 2026 · 30 technologies across 21 categories

Advertising

Twitter Ads
since Aug 2022

Analytics

Google Analytics
since Mar 2020

Authentication

Facebook Login
since Aug 2022

Caching

Varnish
since Aug 2022

CDN

Amazon CloudFront
since Apr 2026
Cloudflare
since Mar 2025
Fastly
since Aug 2026
Google Hosted Libraries
since Dec 2022

CMS

Hatena Blog
since Apr 2023
WordPress
since Mar 2020

Databases

MySQL
since Mar 2020

Font scripts

Twitter Emoji (Twemoji) v13.0.0
since Dec 2022

Issue trackers

Sentry
since Aug 2022

JavaScript libraries

core-js v3.49.0
since Aug 2022
jQuery v1.12.4
since Mar 2020
Slick
since Dec 2022

Miscellaneous

Open Graph
since Sep 2022
RSS
since Apr 2023

PaaS

Amazon Web Services
since Aug 2022
GitHub Pages
since Aug 2026

Programming languages

PHP
since Mar 2020

Security

Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Aug 2022

Tag managers

Google Tag Manager
since Mar 2020

UI frameworks

ZURB Foundation
since Dec 2022

Video players

YouTube
since Aug 2022

Web servers

Nginx
since Mar 2020

Webmail

Google Workspace
since Dec 2022

Widgets

Twitter
since Aug 2022

WordPress plugins

Contact Form 7 v5.3
since Dec 2022

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. A recent check saw a policy file missing; awaiting confirmation.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 100% desktop
  • Japan

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

2.78 / 10 · ranked #2,017,180 of all domains

6 referring domains · OpenPageRank

Core Web Vitals

LCP1.1 s
CLS0

Real user p75, Chrome UX Report, Sep 2026.

Infrastructure

  • Hosted on Fastly (185.199.108.153)
  • DNS: Amazon Route 53
  • Email: Google Workspace
  • Email security: SPF (soft fail), DMARC reject, CAA
  • SSL: Let's Encrypt, RSA 2048, expires Nov 2026
  • Common Crawl link graph: rank 11,455,554, 4 hosts
  • Verified with: Google, Slack

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

Subdomains

HostTechs
blog.docurain.jp 18
docurain.jp 18

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