Website review css-for-js.dev
CSS for JavaScript Developers | An online course that teaches the fundamentals of CSS for React/Vue devs
Generated on April 10 2026 20:49 PM
Old data? UPDATE !
The score is 56/100
SEO Content
Title
CSS for JavaScript Developers | An online course that teaches the fundamentals of CSS for React/Vue devs
Length : 104
Ideally, your title should contain between 10 and 70 characters (spaces included). Use this free tool to calculate text length.
Description
A comprehensive course that helps you develop deep mastery of CSS. Built specifically for JavaScript developers!
Length : 112
Great, your meta description contains between 70 and 160 characters.
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
Good, your page take advantage of Og Properties.
| Property | Content |
|---|---|
| title | CSS for JavaScript Developers | An online course that teaches the fundamentals of CSS for React/Vue devs |
| description | A comprehensive course that helps you develop deep mastery of CSS. Built specifically for JavaScript developers! |
| type | website |
| image | https://css-for-js.dev/og-image-v2.jpg |
| image:alt | CSS for JavaScript Developers, an interactive online course that gives you CSS superpowers. |
| image:width | 1280 |
| image:height | 675 |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 7 | 23 | 0 | 0 | 0 |
- [H1] Stop wrestling with CSS.
- [H2] The interactive learning experience designed to help JavaScript developers become confident with CSS.The learning experience designed to help JS devs become confident with CSS.
- [H2] Trusted by developers at
- [H2] Level up the whole team ✨
- [H2] Hi, I'm Josh!
- [H2] TheCurriculum
- [H2] Frequently Asked Questions
- [H2] What people are saying…
- [H3] Module 0Fundamentals
- [H3] Module 1Rendering Logic I
- [H3] Module 2Rendering Logic II
- [H3] Module 3Modern Component Architecture
- [H3] Module 4Flexbox
- [H3] Module 5Responsive and Functional CSS
- [H3] Module 6Typography and Images
- [H3] Module 7CSS Grid
- [H3] Module 8Animation and Interaction
- [H3] Module 9Little Big Details
- [H3] Module 0Fundamentals
- [H3] Module 1Rendering Logic I
- [H3] Module 2Rendering Logic II
- [H3] Module 3Modern Component Architecture
- [H3] Module 4Flexbox
- [H3] Module 5Responsive and Functional CSS
- [H3] Module 6Typography and Images
- [H3] Module 7CSS Grid
- [H3] Module 8Animation and Interaction
- [H3] Module 9Little Big Details
- [H3] The Video Archive
- [H3] The Resource Treasure Trove
- [H3] Links
Images
We found 141 images on this web page.
124 alt attributes are empty or missing. Add alternative text so that search engines can better understand the content of your images.
Text/HTML Ratio
Ratio : 11%
This page's ratio of text to HTML code is below 15 percent, this means that your website probably needs more text content.
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 25 links including 1 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Login | External | Passing Juice |
| Josh W Comeau | External | Passing Juice |
| Kent C. Dodds | External | Passing Juice |
| Laurie Barth | External | Passing Juice |
| Adam Wathan | External | Passing Juice |
| Khan Academy | External | Passing Juice |
| DigitalOcean | External | Passing Juice |
| Gatsby Inc. | External | Passing Juice |
| Journey Education | External | Passing Juice |
| Concordia University | External | Passing Juice |
| Shawn “Swyx” Wang | External | Passing Juice |
| Monica Lent | External | Passing Juice |
| Max Stoiber | External | Passing Juice |
| Addy Osmani | External | Passing Juice |
| Letter To Your Manager | External | Passing Juice |
| Teams order page | Internal | Passing Juice |
| What the Heck, z-index?? | External | Passing Juice |
| The Rules of Margin Collapse | External | Passing Juice |
| Code of Conduct | External | Passing Juice |
| Randall Kanna | External | Passing Juice |
| David Elliott | External | Passing Juice |
| Terms of Use | External | Passing Juice |
| Privacy Policy | External | Passing Juice |
| Contact | External | Passing Juice |
| Bluesky | External | Passing Juice |
SEO Keywords
Keywords Cloud
how joshwcomeau developers module josh course css all just learn
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| course | 137 |  |
 |
|
|
| css | 126 | |
|
|
|
| how | 45 | |
|
|
|
| joshwcomeau | 33 | |
|
|
|
| developers | 28 | |
|
|
|
Usability
Url
Domain : css-for-js.dev
Length : 14
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
Warning! At least one email address has been found in the plain text. Use free antispam protector to hide email from spammers.
Deprecated HTML
Great! We haven't found deprecated HTML tags in your HTML.
Speed Tips
|
Excellent, your website doesn't use nested tables. |
|
Too bad, your website is using inline styles. |
|
Great, your website has few CSS files. |
|
Perfect, your website has few JavaScript files. |
|
Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
|
Meta Viewport Tag |
|
Flash content |
Optimization
XML Sitemap
Missing
Your website does not have an XML sitemap - this can be problematic.
A sitemap lists URLs that are available for crawling and can include additional information like your site's latest updates, frequency of changes and importance of the URLs. This allows search engines to crawl the site more intelligently.
Robots.txt
https://css-for-js.dev/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
Free SEO Testing Tool is a free SEO tool which provides you content analysis of the website.