CSS Browser Compatibility Checker

Check which browsers support CSS properties and values with the latest compatibility data

Popular Categories

Browser Support

Get accurate, up-to-date information about CSS property support across all major browsers including Chrome, Firefox, Safari, and Edge.

Usage Statistics

View global browser usage statistics to make informed decisions about which CSS features are safe to use in production.

Code Examples

Access practical code examples with fallbacks and progressive enhancement strategies for better cross-browser compatibility.

Latest Data

Our compatibility data is regularly updated to reflect the latest browser versions and feature implementations.

 

 

What is CSS Browser Compatibility?

 

CSS browser compatibility refers to ensuring that a website’s styling appears and functions consistently across various web browsers, such as Chrome, Firefox, Safari, Edge, and more. Just like different people have different tastes, browsers interpret your styling code in slightly different ways. Ensuring compatibility means ensuring that your design remains consistent for everyone.

  

Why Compatibility Issues Happen

Have you ever seen a button look great in Chrome but completely out of place in Safari? This happens due to:

  • Different rendering engines (e.g., Blink, Gecko, WebKit)

  • Unstandardized features that work in one browser but not others

  • Outdated browser versions still used by some users

  • Vendor-specific prefixes (like -webkit- or -moz-)

Think of it like making a recipe and everyone using a different oven. Using identical ingredients doesn’t always guarantee the same outcome!

 

The Role of CSS Browser Compatibility Checker

A CSS browser compatibility checker scans your CSS and tells you:

  • Which styles may not work in certain browsers

  • If you’re using experimental or deprecated properties

  • Suggested fixes or fallbacks

This helps you catch problems early before your users do.

 

Popular Tools for Checking Compatibility

Here are some tools that developers (and even beginners) love:

  • Can I Use – The gold standard for checking feature support

  • Autoprefixer – Automatically adds vendor prefixes

  • BrowserStack – Allows live testing on real devices

  • LambdaTest – Cloud-based cross-browser testing

  • CrossBrowserTesting – Similar to BrowserStack, focused on visual testing

Each of these tools has its own strengths, but all help make your site better across browsers.

 

How to Use These Tools

Let’s break it down with Can I Use:

  1. Visit caniuse.com

  2. Type a CSS property (e.g., backdrop-filter)

  3. View a table showing which browsers support it

For BrowserStack:

  1. Sign up for a free trial

  2. Enter your site’s URL

  3. Choose different browsers and devices to test on

It’s as easy as trying on clothes in different mirrors to see how they look!

 

Common CSS Compatibility Issues

Some troublemaker properties include:

  • flex and grid layouts (especially in older IE)

  • position: sticky (buggy in Safari sometimes)

  • clip-path and mask-image (limited support)

  • scroll-behavior: smooth (not supported in all versions)

Knowing which ones to watch out for saves hours of frustration.


Tips to Write Cross-Browser Friendly CSS

Here are simple ways to avoid drama:

  • Use Normalize.css or reset CSS to standardize rendering

  • Avoid experimental features unless fallbacks exist

  • Test early and often

  • Prefer well-supported units like em, rem, or %

  • Write clean, semantic code

It’s like speaking a neutral accent everyone understands!

 

Conclusion and Final Thoughts

 

CSS browser compatibility is like planning a wedding where everyone needs to be happy. With the right tools and mindset, you can make sure your site works beautifully for all users — whether they’re on Chrome, Firefox, or that one person still using Internet Explorer.

Using a CSS browser compatibility checker is not just a good habit, it’s essential for professional, user-friendly design. It helps you build trust, reduce bugs, and most importantly, make your users feel welcome no matter what browser they’re using.


FAQs

 
 

How do I make my CSS cross browser compatible?

To make your CSS cross-browser compatible, follow these steps:

  • Use Reset or Normalize CSS: These libraries help eliminate default styling inconsistencies between browsers.

  • Stick to Well-Supported Features: Avoid using experimental or cutting-edge CSS unless fallbacks are provided.

  • Add Vendor Prefixes: Use tools like Autoprefixer to add -webkit-, -moz-, and other prefixes automatically.

  • Test Early and Often: Use tools like BrowserStack, LambdaTest, or test manually in multiple browsers.

  • Use Responsive Design: Apply media queries and flexible layouts that adapt to various screen sizes and browsers.

  • Refer to Compatibility Charts: Always check caniuse.com before using a new CSS property.

 

Which browser tool can be used to inspect CSS?

All modern browsers have built-in Developer Tools that can inspect and debug CSS. Here are a few examples:

  • Google Chrome: Right-click → Inspect → “Elements” and “Styles” tab

  • Mozilla Firefox: Right-click → Inspect Element → View CSS under “Rules”

  • Microsoft Edge: Same as Chrome (built on Chromium)

  • Safari: Enable Developer Tools from Preferences → Advanced → Show Develop Menu → Inspect Element

These tools let you:

  • View applied styles

  • See inherited rules

  • Modify styles live

  • Check media query behavior

 

How to fix browser compatibility issues in CSS?

To fix browser compatibility issues in CSS:

  1. Identify the Problem: Use DevTools and testing platforms like BrowserStack or CrossBrowserTesting.

  2. Check Feature Support: Use caniuse.com to see if the CSS property is fully supported.

  3. Use Fallbacks: Provide backup styles using older or simpler CSS properties.

  4. Apply Vendor Prefixes: Use -webkit-, -moz-, -ms- where needed (Autoprefixer can automate this).

  5. Avoid Experimental Properties: Unless necessary, avoid features still marked as experimental or non-standard.

  6. Keep Code Simple and Modular: Clean code is easier to debug and less prone to rendering bugs.

 

Is CSS supported by all browsers?

Yes, all modern browsers support CSS, the level of support for specific features can vary between them.

  • Basic properties like color, font-size, and margin are universally supported.

  • Advanced or newer features like grid, backdrop-filter, or scroll-snap may not work on all browsers or older versions.

  • Legacy browsers Internet Explorer, frequently do not recognize or support the latest CSS features.

 

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