Castvalves.hatenablog.com - SEO Checker

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Overview of the SEO Check
Meta information
71% 
Page quality
97% 
Page structure
65% 
Link structure
92% 
Server
86% 
External factors
21% 
SEO Score
Response time
1.47 s
File size
35.40 kB
Words
1047
Media files
6
Number of links
20 internal / 27 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
castvalves’s diary
The page title is too short. (160 pixels of 580 max pixel length) Optimize title
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)
https://castvalves.hatenablog.com/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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 (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
robotsmax-image-preview:large
langen
twitter:cardsummary_large_image
twitter:imagehttps://cdn.blog.st-hatena.com/images/theme/og-image-1500.png
twitter:titlecastvalves’s diary
twitter:descriptioncastvalves’s diary
twitter:app:name:iphoneHatena Blog App
twitter:app:id:iphone583299321
twitter:app:url:iphonehatenablog:///open?uri=https%3A%2F%2Fcastvalves.hatenablog.com%2F
og:titlecastvalves’s diary
og:typeblog
og:urlhttps://castvalves.hatenablog.com/
og:imagehttps://cdn.blog.st-hatena.com/images/theme/og-image-1500.png
og:image:altcastvalves’s diary
og:descriptioncastvalves’s diary
og:site_namecastvalves’s diary
X-UA-CompatibleIE=7; IE=9; IE=10; IE=11
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 1047 words. That's ok.
39.7% of the text are stop words.
The page contains a listing, which indicates a good text layout.
9 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 21.64 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 21 tags for this page.
Image SEO
(Somewhat important)
1 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
This page uses Google authorship information without an image.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...a.com/images/admin/blog-icon-noimage.pngcastvalves’s diary
....com/images/entry-button/button-only.gifBookmark this entry on Hatena::Bookmark
....com/images/entry-button/button-only.gifBookmark this entry on Hatena::Bookmark
...-hatena.com/users/castvalves/profile.pngid:castvalves
...a.com/images/admin/blog-icon-noimage.pngcastvalves’s diary
...g?version=a78f1e01e5eaef4b711d1a789a46f1No alt attribute provided引用して投稿する

Page structure

H1 heading
(Critically important)
castvalves’s diary
Too many H1 headings
The H1 heading is too short (18 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 castvalves’s diary
H1 Trunnion Ball Valves
H1 An Unbiased View Of trunnion ball valve
H1 An Unbiased View Of trunnion ball valve Duplicate text
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 too many external links (27) on this page.

Found links on this page

LinkAttributesAnchor text
/Subdomain IMG-ALT castvalves’s diary
/Subdomain Text duplicate castvalves’s diary
https://blog.hatena.ne.jp/cast...External Subdomain Subscribe
/Subdomain Text duplicate castvalves’s diary
/archive/2020/11/18Nofollow Subdomain 2020-11-18
/entry/2020/11/18/091841Subdomain Trunnion Ball Valves
https://www.italvalvinox.com/t...External Subdomain The trunnion ball Valve
http://d.hatena.ne.jp/keyword/...External Subdomain hollow
http://d.hatena.ne.jp/keyword/...External Subdomain Most
http://d.hatena.ne.jp/keyword/...External Subdomain possibility
/entry/2020/11/18/091841Subdomain 2020-11-18 09:18
https://blog.hatena.ne.jp/cast...External Subdomain Text duplicate Subscribe
https://b.hatena.ne.jp/entry/s...External Subdomain IMG-ALT Bookmark this entry on Hatena::Bookmark
A-TITLE Bookmark this entry on Hatena::Bookmark
https://x.com/intent/tweet?tex...External A-TITLE X（Twitter）で投稿する
http://blog.hatena.ne.jp/guide...External Subdomain Remove all ads
/archive/2020/09/29Nofollow Subdomain 2020-09-29
/entry/2020/09/29/141403Subdomain An Unbiased View Of trunnion ball valve
http://d.hatena.ne.jp/keyword/PBVExternal Subdomain PBV
http://d.hatena.ne.jp/keyword/...External Subdomain alloy
https://www.italvalvinox.com/t...External Subdomain trunnion mounted ball valve are spring-loade
http://d.hatena.ne.jp/keyword/...External Subdomain uptime
http://d.hatena.ne.jp/keyword/...External Subdomain compliance
http://d.hatena.ne.jp/keyword/...External Subdomain most
http://d.hatena.ne.jp/keyword/...External Subdomain Text duplicate hollow
http://d.hatena.ne.jp/keyword/...External Subdomain Text duplicate hollow
/entry/2020/09/29/141403Subdomain 2020-09-29 14:14
https://blog.hatena.ne.jp/cast...External Subdomain Text duplicate Subscribe
https://b.hatena.ne.jp/entry/s...External Subdomain Text duplicate IMG-ALT Bookmark this entry on Hatena::Bookmark
A-TITLE Bookmark this entry on Hatena::Bookmark
https://x.com/intent/tweet?tex...External Text duplicate A-TITLE X（Twitter）で投稿する
http://blog.hatena.ne.jp/guide...External Subdomain Text duplicate Remove all ads
/aboutSubdomain IMG-ALT id:castvalves
/aboutSubdomain Text duplicate id:castvalves
/aboutSubdomain About this blog
https://hatena.blog/External Hatena Blog
https://hatena.blog/guide?via=...External ブログをはじめる
http://blog.hatenablog.com/External Subdomain Weekly Hatena Blog
https://hatena.blog/guide/proExternal Hatena Blog Pro
/archiveSubdomain Recent Entries
/entry/2020/11/18/091841Subdomain Text duplicate Trunnion Ball Valves
/entry/2020/09/29/141403Subdomain Text duplicate An Unbiased View Of trunnion ball valve
/archiveSubdomain Archive
/archive/2020Subdomain 2020
/archive/2020/11Subdomain 2020 / 11
/archive/2020/09Subdomain 2020 / 9
/Subdomain Text duplicate castvalves’s diary
IMG-ALT castvalves’s diary
https://hatena.blog/External Text duplicate Hatena Blog
https://blog.hatena.ne.jp/-/ab...New window External Subdomain ブログを報告する

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://castvalves.hatenablog.com/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is slow (1.47 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (35 kB).

HTTP Response Header

NameValue
servernginx
dateSun, 01 Sep 2024 02:21:05 GMT
content-typetext/html; charset=utf-8
varyAccept-Encoding
access-control-allow-origin*
content-security-policy-report-onlyblock-all-mixed-content; report-uri https://blog.hatena.ne.jp/api/csp_report
p3pCP="OTI CUR OUR BUS STA"
x-cache-only-varnish1
x-content-type-optionsnosniff
x-dispatchHatena::Epic::Web::Blogs::Index#index
x-frame-optionsDENY
x-revisiona78f1e01e5eaef4b711d1a789a46f1
x-xss-protection1
x-runtime0.106558
content-encodinggzip
x-varnish4232470
age0
via1.1 ip-10-1-17-205.ap-northeast-1.compute.internal (Varnish/7.5)
accept-rangesbytes
x-cacheMISS
cache-controlprivate
x-proxy-revisiona78f1e01e5eaef4b711d1a789a46f1f360eacaaa
content-security-policyupgrade-insecure-requests
statuscode200
http_versionHTTP/2

External factors

This page has only a few links from other websites.
This page only has backlinks from 7 referring domains.
This page only has 10 backlinks.
This page only has few backlinks from 7 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Sitemap: https://castvalves.hatenablog.com/sitemap_index.xml
Disallow: /api/
Disallow: /draft/
Disallow: /preview

User-agent: Mediapartners-Google
Disallow: /draft/
Disallow: /preview

Similar sites

Search preview

castvalves.hatenablog.com
castvalves’s diary

Most important keywords

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

KeywordResultRecheck
Valves81%Check
Valve79%Check
castvalves77%Check
diary63%Check
Ball Valves62%Check
trunnion ball Valve55%Check
valve uses55%Check
Trunnion Ball Valves55%Check
trunnioned valve55%Check
tunneled valve55%Check
Show more keywords and terms

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