Website review contrastchecker.online
Color Contrast Accessibility Checker (WCAG)
Generated on April 11 2026 10:38 AM
Old data? UPDATE !
The score is 72/100
SEO Content
Title
Color Contrast Accessibility Checker (WCAG)
Length : 43
Perfect, your title contains between 10 and 70 characters.
Description
Instantly calculate contrast ratio of two input colors and check accessibility according to Web Content Accessibility Guidelines (WCAG).
Length : 136
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 |
|---|---|
| locale | en_US |
| site_name | contrastchecker.online |
| type | website |
| url | https://contrastchecker.online |
| title | Color Contrast Ratio Calculator & Checker |
| description | Instantly calculate contrast ratio of two input colors and check accessibility according to Web Content Accessibility Guidelines (WCAG). |
| image | https://contrastchecker.online/contrastchecker-online-home-og.png |
| image:type | image/png |
| image:width | 1200 |
| image:height | 630 |
Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 1 | 2 | 2 | 0 | 2 | 0 |
- [H1] Color Contrast Checker & Ratio Calculator
- [H2] Calculate contrast ratio of foreground and background colors and check for Web Content Accessibility Guidelines (WCAG)
- [H2] What is WCAG?
- [H3] What is a WCAG success criterion 1.4.3?
- [H3] What is a WCAG success criterion 1.4.6?
- [H5] Your Guide to Colors: Color Theory, The Color Wheel & How to Choose a Color Scheme
- [H5] The Science of Color Contrast — An Expert Designer’s Guide
Images
We found 5 images on this web page.
Good, most or all of your images have alt attributes.
Text/HTML Ratio
Ratio : 32%
Ideal! This page's ratio of text to HTML code is between 25 and 70 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 13 links including 0 link(s) to files
| Anchor | Type | Juice |
|---|---|---|
| Color Contrast Checker | Internal | Passing Juice |
| Color Relative Luminance Calculator | Internal | Passing Juice |
| Web Content Accessibility Guidelines (WCAG) | External | Passing Juice |
| W3C WAI (The World Wide Web Consortium Web Accessibility Initiative) | External | Passing Juice |
| Learn more » | External | Passing Juice |
| Learn more » | External | Passing Juice |
| Learn more » | External | Passing Juice |
| Read More | External | Passing Juice |
| Read More | External | Passing Juice |
| ESSE.TOOLS | External | Passing Juice |
| About | Internal | Passing Juice |
| Contacts | Internal | Passing Juice |
| Privacy Policy | Internal | Passing Juice |
SEO Keywords
Keywords Cloud
more ratio web part content images contrast wcag color text
Keywords Consistency
| Keyword | Content | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| text | 22 |  |
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| contrast | 18 |  |
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| wcag | 13 | |
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| color | 10 | |
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| images | 8 | |
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Usability
Url
Domain : contrastchecker.online
Length : 22
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. |
|
Too bad, your website is using inline styles. |
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Great, your website has few CSS files. |
|
Too bad, your website has too many JS files (more than 6). |
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Perfect, your website takes advantage of gzip. |
Mobile
Mobile Optimization
|
Apple Icon |
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Meta Viewport Tag |
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Flash content |
Optimization
XML Sitemap
Great, your website has an XML sitemap.
| https://contrastchecker.online/sitemap.xml |
Robots.txt
https://contrastchecker.online/robots.txt
Great, your website has a robots.txt file.
Analytics
Great, your website has an analytics tool.
Google Analytics |
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.