Stackedit.io - SEO Checker

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Overview of the SEO Check
Meta information
95% 
Page quality
43% 
Page structure
50% 
Link structure
88% 
Server
87% 
External factors
100% 
SEO Score
Response time
0.49 s
File size
20.80 kB
Words
342
Media files
12
Number of links
3 internal / 7 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
StackEdit – In-browser Markdown editor
The length of the page title is perfect. (358 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
The length of the meta description is perfect. (917 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://stackedit.io/
There is a valid canonical link 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 (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
descriptionFull-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
authorBenoit Schweblin
viewportuser-scalable=no, width=device-width, initial-scale=1, maximum-scale=1
msvalidate.015E47EE6F67B069C17E3CDD418351A612
google-site-verificationiWDn0T2r2_bDQWp_nW23MGePbO9X0M8wQSzbOU70pFQ
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
There are only 342 words on this page. Good pages should have about 800 words of useful content.
33.6% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
10 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.82 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 7 tags for this page.
Image SEO
(Somewhat important)
12 images have no alt attribute. The content of alt attributes is used by search engines.
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

URLAlt attributeTitle
/static/landing/syntax-highlighting.gifNo alt attribute provided
/static/landing/navigation-bar.pngNo alt attribute provided
/static/landing/smart-layout.pngNo alt attribute provided
/static/landing/scroll-sync.gifNo alt attribute provided
/static/landing/providers.pngNo alt attribute provided
/static/landing/workspace.pngNo alt attribute provided
/static/landing/discussion.pngNo alt attribute provided
https://stackedit.io/static/landing/gfm.pngNo alt attribute provided
/static/landing/katex.gifNo alt attribute provided
/static/landing/mermaid.gifNo alt attribute provided
https://stackedit.io/static/landing/abc.pngNo alt attribute provided
/static/landing/twemoji.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Unrivalled writing experience
Too many H1 headings
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Unrivalled writing experience
H1 Designed for web writers
H1 Extended Markdown support
H3 Rich Markdown editor
H3 WYSIWYG controls
H3 Smart layout
H3 Live preview with Scroll Sync
H3 Stay connected
H3 Collaborate
H3 Comment
H3 Write offline!
H3 GitHub Flavored Markdown
H3 LaTeX mathematical expressions
H3 UML diagrams
H3 Scores
H3 Emojis
There are too few (3) internal links on this page.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 7 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://stackedit.io/appStart writing
A-TITLE The app
https://twitter.com/stackeditNew window External No Text
https://github.com/benweet/sta...New window External No Text
https://twitter.com/stackeditNew window External No Text
https://github.com/benweet/sta...New window External No Text
https://stackedit.io/appThe app
A-TITLE The app
https://community.stackedit.io/New window External Subdomain Community
A-TITLE The app
https://twitter.com/benweetNew window External Benoit Schweblin
http://www.apache.org/licenses...New window External Subdomain Apache License
/privacy_policy.htmlNew window Privacy Policy

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://stackedit.io/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.49 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.
The file size of the HTML document is fine (21 kB).

HTTP Response Header

NameValue
dateWed, 25 Sep 2024 12:41:57 GMT
content-typetext/html; charset=UTF-8
x-powered-byExpress
accept-rangesbytes
cache-controlpublic, max-age=0
last-modifiedSun, 09 Oct 2022 19:50:37 GMT
etagW/"5358-183be4ca2c8"
varyAccept-Encoding
content-encodinggzip
strict-transport-securitymax-age=15724800; includeSubDomains
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 2,484 referring domains.
This page has 226,495 backlinks.
This page has backlinks from 1,743 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

stackedit.io
StackEdit – In-browser Markdown editor
Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.

Most important keywords

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

KeywordResultRecheck
Markdown66%Check
Markdown editor65%Check
editor62%Check
In-browser Markdown editor59%Check
StackEdit58%Check
Stack Overflow58%Check
StackEdit In-browser Markdown58%Check
writing50%Check
Unrivalled50%Check
experience50%Check
Show more keywords and terms

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