How to Achieve the Best Cross-Browser Compatibility?

| Updated on April 1, 2024
best cross browser compatibility

On the diverse landscape of the internet, you must prioritize ensuring your website or web application appears and functions consistently across various browsers. 

Cross-browsing is vital for someone whose business is wholly dependent on a website.

The development of software with due consideration given to the feedback from testing will always yield advantageous perks in the end. 

To achieve optimal cross-browser compatibility: adopt a strategic approach; and commit to delivering an unbroken user experience for visitors–irrespective of their surfer preference. 

This article explores effective strategies—ensuring harmony in your web presence across different surfers being paramount among them.

Start with a Solid Foundation: 

Initiate your quest for cross-browser compatibility; construct a robust foundation: employ web standards, and rigorously follow best practices in HTML, CSS, and JavaScript. 

By crafting clean–semantic code specifically designed to reduce surfer-specific issues–you lay the groundwork not only for greater universal compatibility but also an enhanced website experience overall.

Test Early and Test Often: 

Identify and resolve issues by employing regular testing; initiate this process early in the development stage–continuing it with each update or addition of new features. 

Do You Know?:
According to the reports, 90% of web applications fail to work since browser compatibility issues occur most often. 
On the other hand, 62% of mobile application uninstalls are seen due to mobile crashes. It can be either poor responsiveness or alignment issues, indirectly aiming at improper cross-browser testing.

Ensure coverage across various rendering engines: utilize a blend of popular surfers including Chrome, Firefox, Safari, and Edge.

Responsive Design for Various Viewports: 

Adopt an approach that prioritizes responsive design to accommodate a broad spectrum of screen sizes and resolutions. 

Implementing principles of responsive design will allow your website to adapt seamlessly—desktops, smartphones, and all devices in between. 

This necessary adaptability ensures a consistent user experience across numerous browsing scenarios.

Normalize or Reset CSS: 

Web browsers inconsistently render web pages with their default styles; however, you can reduce this issue by utilizing a CSS reset or normalize.css. 

These tools accomplish the task of establishing a consistent baseline: they eliminate the defaults and provide an unadulterated canvas for styling. 

By avoiding unexpected variations in your website’s appearance across different search engines–a significant enhancement to user experience is achieved.

Feature Detection over Browser Detection: 

Instead of depending on potentially unreliable search engine detection, opt for feature detection. 

Identify capabilities and adapt your code correspondingly by using modern JavaScript libraries such as Modernizr. 

Browser Usage trends

According to W3C statistics for web browser usage trends, around 97% of Internet users are covered up by Internet Explorer (IE), Firefox, Chrome, and Safari. Therefore, IE is the most preferred with 45% of visitors, followed by Firefox, which is used by 29% of the total web visitors.

This approach ensures that your website gracefully degrades or enhances based on the user’s specific supported features.

Vendor Prefixes for CSS: 

Utilize vendor prefixes when employing experimental or browser-specific CSS properties to accommodate various surfers: for Chrome and Safari, use -webkit-; for Firefox, apply -moz-; and for Internet Explorer, opt for -ms-. 

This strategy aids in guaranteeing each search engine’s correct interpretation of your styles.

Regularly Update and Patch: 

Keep yourself informed regarding updates in search engines and alterations to web standards. 

Regularly updating your development tools, frameworks, and libraries allows you to harness the latest features and address bugs; maintaining compatibility with evolving surfer specifications hinges on this decisive step.

Utilize Cross-Browser Testing Tools: 

Cross-Browser Testing Tools

Utilize cross-browser testing tools—such as BrowserStack, Cross-Browser Testing, and Sauce Labs—to optimize your examination process. 

On these platforms: you can test the website across a myriad of search engines and devices concurrently—thus diminishing the temporal & laborious requirements for thorough testing.

Now that you have understood how to achieve the best cross-browser compatibility. Now, let’s see why it is necessary to have it.

Why is it Necessary to Have a Cross-Browser Compatible?

The usage of sites has increased exponentially in past decades. With billions of websites in use already, the growth inside utilization shows no sign of slowing down.

Since the device fragmentation rates are rapidly blooming. Users from all over the world view the content by operating unique surfers from thousands of web-enabled devices.

Here are 2 major questions that arise from a business owner’s perspective:

  • Are users able to access the site in the best way possible or efficiently? (the ability to visit sites from different device’s browsers).

Short Summary (list) of Compatibility Issues 
HTML/CSS validation.Using untrusted libraries and frameworksCSS ResetIssue of style sheetsLack of testing on real devicesOutdated browser detectionVendor specific functionsLayout compatibilityDOCTYPE error

  • Features of the site are accessible by popular surfers or not? For instance, surfers like Chrome, Firefox, Safari, Edge, etc.?

In order to encourage users to be on the site for a certain period of time, it’s vital that the site works seamlessly and is compatible to access the site on varied devices efficiently. 


To achieve optimal cross-browser compatibility, one must continuously engage in diligent cross browser testing and adhere to web standards; it is an ongoing process. 

By adopting these strategies–maintaining a proactive apprCross Browser

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