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Domain report

backlog.jp

backlog.jp ranks in the top 0.57% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 37 distinct hosts observed under it.

Explore backlog.jp in the Web Graph

Connectivity

#756,598harmonic-centrality rank
Top percentile
0.57%
Hosts observed
37

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://backlog.jp/ answered with HTTP 200.

DNS records

A
  • 3.170.131.39
  • 3.170.131.52
  • 3.170.131.119
  • 3.170.131.91
AAAA
No records found.
MX
  • 1 smtp.google.com.
NS
  • ns-1384.awsdns-45.org.
  • ns-1694.awsdns-19.co.uk.
  • ns-481.awsdns-60.com.
  • ns-604.awsdns-11.net.

Live preview

Screenshot of backlog.jp

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since backlog.jp can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=UTF-8
Cache-Control
no-cache, no-store, must-revalidate
Content-Encoding
Not sent

Security

Content-Security-Policy
frame-ancestors 'self'
Strict-Transport-Security
max-age=31536000
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
nosniff
Referrer-Policy
strict-origin-when-cross-origin
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://backlog.jp/HTTP 301

    → https://backlog.jp/

  2. 2.https://backlog.jp/HTTP 301

    → https://backlog.com/ja/

  3. 3.https://backlog.com/ja/HTTP 200

Meta tags

Title
Backlog | チームで使うプロジェクト管理・タスク管理ツール
Description
Backlogは、業務を可視化して、チームのコミュニケーションの促進を目的としたプロジェクト管理ツールです。シンプルな操作性と親しみやすい見た目で、開発者だけでなく、デザイナー、マーケターなど、チームで働くすべての人が使えるのが特徴です。
Canonical
https://backlog.com/ja/
Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
Generator
Not set
Open Graph title
Backlog | チームで使うプロジェクト管理・タスク管理ツール
Open Graph description
Backlogは、業務を可視化して、チームのコミュニケーションの促進を目的としたプロジェクト管理ツールです。シンプルな操作性と親しみやすい見た目で、開発者だけでなく、デザイナー、マーケターなど、チームで働くすべての人が使えるのが特徴です。
Open Graph image
https://backlog.com/backlog_ogp_ja.png
Open Graph type
website
Twitter card
summary_large_image
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
0
Disallow rules (other agents)
0

No Sitemap declared in robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • WordPresscms

    Found "wp-includes/" in the page's HTML

  • Google Tag Manageranalytics

    Found "googletagmanager.com/gtm.js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.