Top 8 Strategies for Successful Cross-Browser Testing

We live in an age where more than 5 lakh websites are created daily. As of today, there are nearly 4 million websites in the world out of which only 1.5 million are active. What about the rest? 

As per records, 90% of the web applications fail to work because of browser compatibility issues and 62% of mobile application uninstalls happen due to mobile crashes like poor responsiveness and alignment issues indirectly aiming at improper cross-browser testing.