Website review 12daysofweb.dev
12 Days of Web
Generated on March 15 2026 10:28 AM
Old data? UPDATE !
The score is 70/100
SEO Content
Title
12 Days of Web
Length : 14
Perfect, your title contains between 10 and 70 characters.
Description
A year-end celebration of fundamental web technologies: HTML, CSS, and JavaScript.
Length : 82
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 |
|---|---|
| image | https://12daysofweb.dev/img/12daysofweb.png |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 1 | 0 | 0 | 0 | 0 |
- [H1] 12 Days of Web
- [H2] Past Series:
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 21 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| calc-size() and interpolate size | Internal | Passing Juice |
| Animating Entry Effects | Internal | Passing Juice |
| HTML inert Attribute | Internal | Passing Juice |
| CSS text-wrap | Internal | Passing Juice |
| CSS content-visibility | Internal | Passing Juice |
| Declarative Shadow DOM | Internal | Passing Juice |
| CSS box-decoration-break | Internal | Passing Juice |
| JS Import Maps | Internal | Passing Juice |
| CSS light-dark() | Internal | Passing Juice |
| BroadcastChannel API | Internal | Passing Juice |
| How to Use Baseline Data | Internal | Passing Juice |
| CSS margin-trim and line height units | Internal | Passing Juice |
| 2021 | Internal | Passing Juice |
| 2022 | Internal | Passing Juice |
| 2023 | Internal | Passing Juice |
| @5t3ph | External | Passing Juice |
| ModernCSS.dev | External | Passing Juice |
| SmolCSS | External | Passing Juice |
| 11ty Rocks | External | Passing Juice |
| consider becoming a GitHub Sponsor | External | Passing Juice |
| buying me a coffee | External | Passing Juice |
SEO Keywords
Keywords Cloud
box-decoration-break units consider html import days dec css dom web
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| dec | 24 |  |
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| css | 6 | |
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| web | 3 | |
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| html | 2 | |
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| days | 2 | |
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Usability
Url
Domain : 12daysofweb.dev
Length : 15
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. |
|
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://12daysofweb.dev/sitemap.xml |
Robots.txt
https://12daysofweb.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.