Developers.line.biz - SEO Checker

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Overview of the SEO Check
Meta information
69% 
Page quality
41% 
Page structure
58% 
Link structure
0% 
Server
95% 
External factors
100% 
SEO Score
Response time
1.74 s
File size
1.50 kB
Words
10
Media files
0
Number of links
1 internal / 0 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
LINE Developers
The page title is too short. (152 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The LINE Developers site is a portal site for developers. It contains documents and tools that will help you use our various developer products. Creating LINE Login and Messaging API applications and services has never been easier!
The meta description is too long: 1432 pixels from max. 1000 pixels. Optimize description
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
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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 character encoding is not specified in the HTTP header.
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
descriptionThe LINE Developers site is a portal site for developers. It contains documents and tools that will help you use our various developer products. Creating LINE Login and Messaging API applications and services has never been easier!
langen-us
twitter:titlehttps://developers.line.biz/
twitter:descriptionThe LINE Developers site is a portal site for developers. It contains documents and tools that will help you use our various developer products. Creating LINE Login and Messaging API applications and services has never been easier!
twitter:cardsummary
twitter:site@LINE_DEV
twitter:imagehttps://developers.line.biz/assets/ogtags/twitter-ogtag.jpg
og:localeen_US
og:typewebsite
og:titlehttps://developers.line.biz/
og:urlhttps://developers.line.biz/
og:imageEmpty
charsetutf-8

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Page quality

Content
(Critically important)
There are only 10 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
50% of the text are stop words.
No placeholders texts or images were found.
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.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 tags for this page.
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)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

No media files were found.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
This page seems to be an entry page, because only very few links were found.
There are 1 links with a trivial anchor text.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are no external links on this page.

Found links on this page

LinkAttributesAnchor text
https://developers.line.biz/en/Trivial anchor text
Click here

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://developers.line.biz/"
HTTP header
(Important)
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 is very slow (1.74 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 (2 kB).

HTTP Response Header

NameValue
servernginx
dateSat, 17 May 2025 09:23:03 GMT
content-typetext/html
last-modifiedFri, 16 May 2025 01:45:08 GMT
x-rgw-object-typeNormal
etagW/"26f6899515b946fb8d7ce8d6f3780569"
x-amz-request-idtx00000d7e038e423f0cd79-0068285577-18545ea8-jp2
cache-controlpublic,max-age=300
strict-transport-securitymax-age=15768000
varyOrigin
access-control-allow-originhttp://developers.line.biz
access-control-allow-methodsGET
access-control-expose-headersContent-Length,Content-Type,Connection,Date,ETag,Server,x-amz-request-id
access-control-max-age86400
content-encodinggzip
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 238 referring domains.
This page has 808 backlinks.
This page has backlinks from 223 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

Similar sites

Search preview

developers.line.biz
LINE Developers
The LINE Developers site is a portal site for developers. It contains documents and tools that will help you use our various developer products. Creating LINE Login and Messaging API applications and services has never been easier!

Most important keywords

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

KeywordResultRecheck
LINE34%Check
Developers34%Check
LINE Developers34%Check
Click34%Check
browser34%Check
automatically34%Check
redirect34%Check
site11%Check
portal11%Check
contains11%Check
Show more keywords and terms

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