opensource.jp
Registered
Page analyze update date:
2026/06/09 05:33:43
Last whois update date:
2026/06/09 05:17:49
Domain Status
Registered
Paid till
01.01.1970
Available from
31.01.1970
×
![Fullscreen website screenshot]()
opensource.jp Website screenshot
SEO Score
51.37%
75
Score achieved
146
Maximum score
Main Information
Title: Open Source Group Japan – オープンソース・グループ・ジャパン – オープンソースの定義、オープンソースに適合するライセンスの参考訳などを公開し、オープンソースの発展に寄与するために様々な活動を行っています。
Description: unknown
Keywords: unknown
Page Encoding:
utf-8
Page Filesize: 268 KB
Server Information
IP: 192.0.78.229
Location: United States,US,San Francisco,94142,37.7794,-122.4176,America/Los_Angeles
Http Server: nginx
Encoding: utf-8
Meta Tags List
- charset: UTF-8
- name: viewport content: width=device-width, initial-scale=1
- name: robots content: max-image-preview:large
- name: generator content: Give v4.15.3
- property: og:type content: website
- property: og:title content: Open Source Group Japan - オープンソース・グループ・ジャパン
- property: og:description content: オープンソースの定義、オープンソースに適合するライセンスの参考訳などを公開し、オープンソースの発展に寄与するために様々な活動を行っています。…
- property: og:url content: https://opensource.jp/
- property: og:site_name content: Open Source Group Japan - オープンソース・グループ・ジャパン
- property: og:image content: https://opensourcejp.files.wordpress.com/2020/09/pixnio-205867-3087x2058-1.jpeg
- property: og:image:width content: 3087
- property: og:image:height content: 2058
- property: og:image:alt content:
- property: og:locale content: ja_JP
- name: twitter:text:title content: オープンソース・グループ・ジャパン
- name: twitter:image content: https://opensourcejp.files.wordpress.com/2020/09/pixnio-205867-3087x2058-1.jpeg?w=640
- name: twitter:card content: summary_large_image
- name: msapplication-TileImage content: https://i0.wp.com/opensource.jp/wp-content/uploads/2020/09/cropped-osg-jp180fb.png?fit=270%2C270&ssl=1
- id: bilmur property: bilmur:data content: customproperties: {"woo_active":"0","logged_in":"0","wptheme":"shawburn","wptheme_is_block":"0"} provider: wordpress.com service: atomic tz: Asia/Tokyo
Internal Links
External Links
Whois Information
creation_date: on] 2001/05/08
creation_time:
expiration_date: on] 2027/05/31
expiration_time:
Whois Raw Data
[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information:
[Domain Name] OPENSOURCE.JP
[Registrant] (Not displayed by registrant's request)
For details -> https://jprs.jp/about/dom-rule/whois-concealment/ (only in Japanese)
[Name Server] ns1.wordpress.com
[Name Server] ns2.wordpress.com
[Name Server] ns3.wordpress.com
[Signing Key]
[Created on] 2001/05/08
[Expires on] 2027/05/31
[Status] Active
[Last Updated] 2026/06/01 01:05:03 (JST)
Contact Information:
[Name] Shigeo Noshiro
[Email] [email protected]
[Web Page]
[Postal code] 151-0051
[Postal Address] 3-26-2,Sendagaya,Shibuya-ku,Tokyo 151-0051 Japan
[Phone] 03-3404-0901
[Fax]
Robots.txt
# This virtual robots.txt file was created by the Virtual Robots.txt WordPress plugin: https://www.wordpress.org/plugins/pc-robotstxt/ User-agent: * Disallow: /wp-admin/ Disallow: /osg/SpecifiedCommercialTransactionsLawNotice/ Allow: /wp-admin/admin-ajax.php Disallow: /wp-includes/ Allow: /wp-includes/js/ Allow: /wp-includes/images/ Disallow: /trackback/ Disallow: /wp-login.php Disallow: /wp-register.php
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
275077 bytes
Page size acceptable for fast loading.
!
Resources
106 total
Too many resources. Optimize and combine files for better performance.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
✓
Robots.txt
Exists
Robots.txt file found.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
br
Enable gzip or zstd compression to reduce file sizes.
✓
Caching
max-age=300, must-revalidate
Cache-control headers properly set.
✓
Page Speed
5.49 ms
Excellent loading speed.
On-Page SEO
!
Title
Open Source Group Japan – オープンソース・グループ・ジャパン – オープンソースの定義、オープンソースに適合するライセンスの参考訳などを公開し、オープンソースの発展に寄与するために様々な活動を行っています。
Title too long. Reduce to 30-60 characters to avoid truncation.
!
Meta Description
Lenght:0
Add a meta description (100-160 characters recommended).
!
H1 Heading
2 found - "オープンソース・グループ・ジャパン"
Use only one H1 heading per page. Remove extra H1 tags.
!
Word Count
78
Content very short. Aim for at least 500 words for better SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Meta keywords are optional (not used by major search engines).
Content and UX
✓
Language
ja
Language attribute properly set.
!
Images
3 total, 1 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
width=device-width, initial-scale=1
Viewport meta tag properly set for mobile devices.
✓
Open Graph
All OG tags present.
All essential OpenGraph tags present.
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.