What are the modern requirements for cross-browser compatibility?

Question

css

In a month it will be 2015 in the yard! What are the real requirements for cross-browser compatibility in general. By default on which browsers, platforms, etc. worth checking the websites. Or, for example, if you are a customer, what are the requirements? And if you are a layout designer (front-end), what do customers require mainly regarding cross-browser compatibility? Results for 2014, or for the second half of this year.

Answer 1

modernizr , html5shiv , normalize.css allow you not to worry too much about cross-browser compatibility. All together they are collected in the html5boilerplate template .

Answer 2

The third day I helped edit the code for one intracorporate portal of one large Russian bank. The developers with great difficulty managed to convince the customer that it is not necessary to support IE6 . In response, they were required to guarantee the performance of everything-everything-everything under IE7 . Story? No, unfortunately, the harsh bureaucratic reality.

Answer 3

imho
chrome/ff, in 99.99% of cases they don't need to worry about cross-browser compatibility.
ie9+, if less = include conditional tag with es5-shim library .

Answer 4

The most important thing is to convince the customer to stop supporting older versions of IE. And here everything largely depends on your persuasiveness.
And honestly, look at the statistics in Yandex.Metrika or Google Analytics for sites with a similar audience. And you will understand which browsers you need to rely on, which ones you can score. Different sites have different audiences. Some are used by retired grandmothers (here you have to rely even on IE 6-8), while others are used only by advanced Linux users. Some sites are visited frequently from mobile devices, and some are rarely visited.

Answer 5

Chrome and Firefox are compatible enough not to (especially) bother. The question is what is the minimum Internet Explorer to consider. If the bolt is for compatibility with older versions and takes into account only Internet Explorer 11, which is, as it were, fully compatible with flagships, then it has significant bugs, for example, LocalStorage may not work. Of course, you can advise the user to install a browser))
Yes, and now many people use mobile browsers, I can’t say anything about this.

Answer 6

ie8 should be maintained at the level of non-spreading layout.
But the main trend is the normal display of the site on mobile phones. To prevent text from scrolling horizontally.