Website review mjj.io
Mathias Jean Johansen
Generated on February 22 2026 00:29 AM
Old data? UPDATE !
The score is 63/100
SEO Content
Title
Mathias Jean Johansen
Length : 21
Perfect, your title contains between 10 and 70 characters.
Description
The personal site of Mathias Jean Johansen.
Length : 43
Ideally, your meta description should contain between 70 and 160 characters (spaces included). Use this free tool to calculate text length.
Keywords
Very bad. We haven't found meta keywords on your page. Use this free online meta tags generator to create keywords.
Og Meta Properties
This page does not take advantage of Og Properties. This tags allows social crawler's better structurize your page. Use this free og properties generator to create them.
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 16 | 0 | 0 | 0 | 0 |
- [H2] Type-Level Programming in TypeScript
- [H2] Building a Passphrase Generator in Haskell
- [H2] Common Pitfalls in Ruby
- [H2] Curry On: A Retrospective
- [H2] 2015 in Review
- [H2] Ruby Extensions in C
- [H2] Encrypting Files With GPG and Vim
- [H2] Curry Your Procs
- [H2] What We Talk About When We Talk About Rack
- [H2] Investigating Sockets
- [H2] Kinesis Advantage Macros
- [H2] The Joy of .agignore
- [H2] Automate the Bastard
- [H2] Make Preview Behave Like Vim
- [H2] On Rails Controllers
- [H2] Starting All Over Again
Images
We found 0 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 24%
Good, this page's ratio of text to HTML code is higher than 15, but lower than 25 percent.
Flash
Perfect, no Flash content has been detected on this page.
Iframe
Great, there are no Iframes detected on this page.
SEO Links
URL Rewrite
Good. Your links looks friendly!
Underscores in the URLs
Perfect! No underscores detected in your URLs.
In-page links
We found a total of 19 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Mathias Jean Johansen | Internal | Passing Juice |
| About | Internal | Passing Juice |
| RSS | Internal | Passing Juice |
| Type-Level Programming in TypeScript | Internal | Passing Juice |
| Building a Passphrase Generator in Haskell | Internal | Passing Juice |
| Common Pitfalls in Ruby | Internal | Passing Juice |
| Curry On: A Retrospective | Internal | Passing Juice |
| 2015 in Review | Internal | Passing Juice |
| Ruby Extensions in C | Internal | Passing Juice |
| Encrypting Files With GPG and Vim | Internal | Passing Juice |
| Curry Your Procs | Internal | Passing Juice |
| What We Talk About When We Talk About Rack | Internal | Passing Juice |
| Investigating Sockets | Internal | Passing Juice |
| Kinesis Advantage Macros | Internal | Passing Juice |
| The Joy of .agignore | Internal | Passing Juice |
| Automate the Bastard | Internal | Passing Juice |
| Make Preview Behave Like Vim | Internal | Passing Juice |
| On Rails Controllers | Internal | Passing Juice |
| Starting All Over Again | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
jan jean johansen talk feb vim mathias curry sep ruby
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| sep | 5 |  |
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| jan | 5 | |
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| mathias | 2 |  |
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| ruby | 2 | |
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| johansen | 2 | |
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Usability
Url
Domain : mjj.io
Length : 6
Favicon
Great, your website has a favicon.
Printability
We could not find a Print-Friendly CSS.
Language
Good. Your declared language is en.
Dublin Core
This page does not take advantage of Dublin Core.
Document
Doctype
HTML 5
Encoding
Perfect. Your declared charset is UTF-8.
W3C Validity
Errors : 0
Warnings : 0
Email Privacy
Great no email address has been found in plain text!
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
|
Perfect. No inline css has been found in HTML tags! |
|
Great, your website has few CSS files. |
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Perfect, your website has few JavaScript files. |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://mjj.io/sitemap.xml |
Robots.txt
https://mjj.io/robots.txt
Great, your website has a robots.txt file.
Analytics
Missing
We didn't detect an analytics tool installed on this website.
Web analytics let you measure visitor activity on your website. You should have at least one analytics tool installed, but It can also be good to install a second in order to cross-check the data.
PageSpeed Insights
Device
Categories
Free SEO Testing Tool
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