Extension Tracker

HTTPエラーメッセージ解説

2 users No ratings yet Last updated 26 Oct 2026

By kazukichi Live in the Chrome Web Store clfkddbiepcbaebefcdfhkinmmbbjgfp Search Google ↗ Last checked 1 Nov 2026, 05:36 UTC

The listing

What the Chrome Web Store shows, as of the last check

503 や 404 などのページ読み込みエラーが起きたとき、原因の概要と対処法を日本語で表示します。Summary from the listing
Developer
kazukichi
Enhanced Safe Browsing
Trusted. What this means →
Category
Productivity › Education
First published
25 Oct 2026
Last updated
26 Oct 2026
Version
1.0.1
Size
542 KiB
Minimum Chrome
88
Languages
1 language

日本語

Website
https://kazukichi0914.hatenablog.com/
See Chrome Web Store page ↗ View its code or download CRX ↗
Users over time As shown on the Chrome Web Store

The Chrome Web Store has shown a user count on one check so far. The chart appears after the second.

Show the numbers
CheckedUsersRatingRatings
2026-11-012––
2026-10-26–––
Users, 7 days
No change
since a week ago
Users, 30 days
–
needs a month of history
Rank
#250,052
by users, of 292,131 extensions
In its category
#10,786
of 12,901 in Education

What changed

Every change found on a check, newest first

  1. Now trusted by Enhanced Safe Browsing.

Developer history

Moves to another publisher account and new contact emails, newest first

No move to another account and no new contact email since tracking began on 26 Oct 2026.

We know contact emails only by a keyed hash, so they're never shown. Recent account and contact changes →

What it can access

From the extension's manifest, in plain language

Every websiteIt can read and change your data on all the sites you visit.
Sites
  • <all_urls>Every website
Sites where it runs scripts
  • http://*/*Every website
  • https://*/*Every website
Browser features
  • storageSave settings and data in your browser
  • webNavigationFollow your browsing, page by page
  • webRequestWatch network requests on the sites it can reach

More from this developer

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スクリーンショット注釈ツール7 –– Tools
PE 達成状況ビューア6 –– Tools
Qiitafy for GAS6 –– Developer Tools
おくすりカレンダー6 –– Well-being
太宰治AI化プロジェクト5 –– Communication
Amazon 定価チェッカー5 5.001 Shopping
All 40 extensions by kazukichi →

About this data

Collected from the extension's public Chrome Web Store listing. It's checked again 7 and 30 days after it was published, and again whenever a new version appears. Last checked 1 Nov 2026, 05:36 UTC; next check around 24 Nov 2026.

How we collect the data

Cite this page

Citation
Extension Tracker. “HTTPエラーメッセージ解説” (clfkddbiepcbaebefcdfhkinmmbbjgfp). Chrome Web Store data, last checked 2026-11-01. https://extensiontracker.com/extension/clfkddbiepcbaebefcdfhkinmmbbjgfp. Accessed 2026-11-13.
BibTeX
@misc{extensiontracker_clfkddbiepcbaebefcdfhkinmmbbjgfp,
  title   = {HTTPエラーメッセージ解説 (clfkddbiepcbaebefcdfhkinmmbbjgfp)},
  author  = {{Extension Tracker}},
  year    = {2026},
  note    = {Chrome Web Store data, last checked 2026-11-01},
  url     = {https://extensiontracker.com/extension/clfkddbiepcbaebefcdfhkinmmbbjgfp},
  urldate = {2026-11-13}
}

The data is free to reuse under CC BY 4.0.

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