Namazu.org - SEO Checker

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Overview of the SEO Check
Meta information
75% 
Page quality
77% 
Page structure
100% 
Link structure
93% 
Server
71% 
External factors
100% 
SEO Score
Response time
0.82 s
File size
19.10 kB
Words
1089
Media files
0
Number of links
55 internal / 20 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Namazu: a Full-Text Search Engine
The length of the page title is perfect. (315 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Server location: United States of America
The language is not specified in the HTML markup.
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (EUC-JP) is set correctly.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
keywordsnamazu full text search engine system

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Page quality

Content
(Critically important)
This page contains 1089 words. That's ok.
25.8% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
21 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 10.55 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No Apple touch icon is specified.
This page does not require any JavaScript files.
Bold and strong tags
(Somewhat important)
The amount of tags is very high (28). We recommend using a maximum of 22 tags for this page.
The following tag is repeated too often: security fix
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
The HTTPS protocol for secure data transmission is not used.

Media list

No media files were found.

Page structure

H1 heading
(Critically important)
Namazu: a Full-Text Search Engine
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Namazu: a Full-Text Search Engine
H2 What's Namazu
H2 Table of contents
H2 News
H2 Features
H2 License
H2 Download
H3 Stable source code
H3 deb packages for Debian GNU/Linux
H3 NetBSD packages
Anchor text is an URL
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 20 external links on this page.

Found links on this page

LinkAttributesAnchor text
/index.html.jaJapanese
http://www.namazu.org/Anchor News
http://www.namazu.org/Anchor Features
http://www.namazu.org/Anchor License
http://www.namazu.org/Anchor Download
http://www.namazu.org/Anchor Stable source code
http://www.namazu.org/Anchor deb packages for Debian GNU/Linux
http://www.namazu.org/windows/Windows edition
http://search.namazu.org/External Subdomain Search
/doc/tutorial.htmlTutorial
/doc/manual.htmlManual
/doc/tips.htmlTips
http://www.namazu.org/links.htmlRelated links
http://www.namazu.org/ml.htmlMailing lists
/trac-namazu/trac.cgi/wiki/Wik...Subdomain Wiki/Bug Tracking System
/security.htmlSecurity considerations
/development.htmlDevelopment information
/project.htmlAbout Namazu Project
http://www.namazu.org/Anchor Namazu 2.0.21 released
/security.htmlSubdomain Anchor cross-site scripting vulnerability
http://www.namazu.org/Anchor Namazu 2.0.20 released
http://www.namazu.org/Anchor Namazu 2.0.19 released
http://www.namazu.org/Anchor Namazu 2.0.18 released
/pipermail/namazu-users-en/200...Subdomain release note
http://www.namazu.org/Anchor Namazu 2.0.17 released
/pipermail/namazu-users-en/200...Subdomain Text duplicate release note
http://www.namazu.org/Anchor Namazu 2.0.16 released
/security.htmlDirectory traversal problem
http://www.namazu.org/Anchor Namazu 2.0.15 released
/trac-namazu/trac.cgi/wiki/Wik...Subdomain The Trac site was opened
http://www.namazu.org/Anchor Namazu 2.0.14 released
/security.htmlSubdomain Anchor Text duplicate cross-site scripting vulnerability
/security.htmlquery begins from a tab
/compromise-report-en.txtkarin.namazu.org compromise report
/development.htmlCVS repository of namazu module was returned.
/disclaimer.html.endisclaimer
/announce-en.txtPleease read the first announcment about the incident.
/announce-en2.txtPleease read the second announcment about the incident.
http://www.namazu.org/Anchor namazu-2.0.13-1.tar.gz
http://www.namazu.org/Anchor Namazu 2.0.13 released
/stable/namazu-2.0.12-de.diffSubdomain namazu-2.0.12-de.diff
http://www.namazu.org/Anchor Namazu 2.0.12 released
/security.htmlSubdomain Anchor Text duplicate cross-site scripting vulnerability
/security.htmlstandard error output
http://www.namazu.org/Anchor Namazu 2.0.2 released!
http://www.namazu.org/Anchor Namazu 2.0 released!
http://www.namazu.org/Subdomain URL anchor text
http://www.namazu.org/
http://www.ff.iij4u.or.jp/~aha...External Subdomain Man page for Namazu 1.3.x
http://www.namazu.org/Anchor Namazu 1.3.0.11 released!
/project.htmlNamazu Project
http://www.namazu.org/windows/Subdomain Namazu for Win32: a Full-Text Search Engine
http://homepage3.nifty.com/~ks...External Subdomain OS/2 port of Namazu a full text retrieval search system
http://www.gohome.org/wl/doc/w...External Subdomain Wanderlust
http://www.tama.or.jp/~kenzo-/...External Subdomain Tknamazu
http://www.na.rim.or.jp/~s_yam...External Subdomain Search-S
http://www.gnu.org/copyleft/gp...External Subdomain the GNU General Public License
http://www.fsf.org/External Subdomain the Free Software Foundation
http://www.gnu.org/licenses/gp...External Subdomain Frequently Asked Questions about the GNU GPL
http://www.gnu.org/copyleft/gp...External Subdomain Text duplicate the GNU General Public License
http://www.openpksd.org/External Subdomain URL anchor text
http://www.openpksd.org/
http://pgp.nic.ad.jp/pgp/External Subdomain URL anchor text
http://pgp.nic.ad.jp/pgp/
http://pgp.mit.edu/External Subdomain URL anchor text
http://pgp.mit.edu/
http://pgp.dtype.org/External Subdomain URL anchor text
http://pgp.dtype.org/
http://www.gnupg.org/External Subdomain GnuPG
http://pgp.dtype.org/External Subdomain pgp.dtype.org
http://db.debian.org/External Subdomain db.debian.org
/stable/namazu-2.0.21.tar.gznamazu-2.0.21.tar.gz
http://kakasi.namazu.org/stabl...External Subdomain kakasi-2.3.5.tar.gz
http://www.namazu.org/stable/Web
/debian/dists/stable/main/bina...Text duplicate Web
/debian/dists/stable/main/source/Text duplicate Web
/debian/sources.listapt-get
http://www.namazu.org/Subdomain Namazu Homepage
http://osdn.co.jp/External OSDN
http://www.netvillage.co.jp/External Subdomain NetVillage Co.,Ltd

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
HTTP header
(Important)
The web server version is sent within the HTTP header.
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.82 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page only loads 1 CSS files. That's ok.
This page does not require any JavaScript files.
The file size of the HTML document is fine (19 kB).

HTTP Response Header

NameValue
dateSun, 11 May 2025 21:14:56 GMT
serverApache/2.4.57 (Debian)
content-locationindex.html.en
varynegotiate,accept,accept-language,Accept-Encoding
tcnchoice
last-modifiedSat, 25 Jan 2014 22:05:40 GMT
etag"4c34-4f0d2acd0b500-gzip"
accept-rangesbytes
content-encodinggzip
content-length6717
content-typetext/html; charset=euc-jp
content-languageen
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 546 referring domains.
This page has 208,619 backlinks.
This page has backlinks from 493 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: ia_archiver
Disallow: /~satoru/
User-agent: *
Disallow: /trac-namazu/trac.cgi/browser/
Disallow: /ml/namazu-users-ja/msg03062.html
Disallow: /ml/namazu-users-ja/msg03064.html
Disallow: /ml/namazu-users-ja/msg03065.html
Disallow: /ml/namazu-users-ja/msg03064.html
Disallow: /ml/namazu-users-ja/msg03065.html
Disallow: /ml/namazu-users-ja/msg03128.html
Disallow: /ml/namazu-users-ja/msg03130.html
Disallow: /ml/namazu-users-ja/msg03134.html
Disallow: /ml/namazu-users-ja/msg03135.html
Disallow: /ml/namazu-users-ja/msg03138.html
Disallow: /ml/namazu-users-ja/msg03139.html
Disallow: /ml/namazu-users-ja/msg03140.html
Disallow: /ml/namazu-users-ja/msg03158.html
Disallow: /ml/namazu-users-ja/msg03146.html
Disallow: /ml/namazu-devel-ja/msg02837.html
Disallow: /ml/namazu-devel-ja/msg02832.html

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Search preview

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Namazu77%Check
Search66%Check
Search Engine64%Check
Full-Text Search64%Check
Full-Text Search Engine63%Check
Full-Text62%Check
Namazu Project58%Check
Web Search Engine54%Check
search system50%Check
Namazu Web site50%Check
Show more keywords and terms

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