codh.rois.ac.jp
Registered
Page analyze update date:
2026/03/29 01:14:01
Last whois update date:
2026/06/08 11:52:39
Domain Status
Registered
×
![Fullscreen website screenshot]()
codh.rois.ac.jp Website screenshot
SEO Score
31.51%
46
Score achieved
146
Maximum score
Main Information
Title: ROIS-DS Center for Open Data in the Humanities (CODH)
Description: empty
Keywords: empty
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 24 KB
Server Information
IP: 136.187.88.58
Location: Japan,JP,Hyakuninchō,169-0071,35.7075,139.7007,Asia/Tokyo
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:
a. [Domain Name] ROIS.AC.JP
g. [Organization] Inter-University Research Institute Corporation Research Organization of Information and systems
l. [Organization Type] Inter-University Research Institute Corporation
m. [Administrative Contact] TD14369JP
n. [Technical Contact] SO46829JP
p. [Name Server] ns1.dns.ne.jp
p. [Name Server] ns2.dns.ne.jp
s. [Signing Key]
[State] Connected (2027/02/28)
[Registered Date] 2004/02/10
[Connected Date] 2004/02/20
[Last Update] 2026/03/12 13:35:55 (JST)
SEO Audit
Technical SEO
✓
Response Code
HTTP/1.1 200 OK
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header:
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
25349 bytes
Page size acceptable for fast loading.
✓
Resources
0 total
Optimal number of resources.
✓
Hreflang Tags
hreflang tags
Add hreflang tags if you have multilingual content.
!
Robots.txt
Missing
Add robots.txt file to control search engine crawling.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
!
HTTPS
No
Switch to HTTPS for security and SEO benefits.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
!
Page Speed
Unknown
Load time not measured.
On-Page SEO
✓
Title
ROIS-DS Center for Open Data in the Humanities (CODH)
Good title length (30-60 characters).
!
Meta Description
empty Lenght:5
Meta description too short. Expand to 100-160 characters.
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
!
Word Count
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
empty
Meta keywords set (note: not used by major search engines).
Content and UX
!
Language
Add lang attribute to tag for accessibility and SEO.
✓
Images
0 total, 0 missing ALT
All images have proper ALT text.
!
Viewport
Add viewport meta tag for mobile responsiveness.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
!
Structured Data
JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 8(+6) | /char-shape/unicode/... | ||
| 8 | /char-shape/unicode/... | ||
| 10 | /char-shape/unicode/... | ||
| 31 | /char-shape/unicode/... |