Modern browsers allow to unload as much as possible by means of set JS of files a server. But the abundance of mistakes of developers of browsers brings even greater confusion in work of a site. At viewing many decisions in the form of the finished modules and the various libraries actively using AJAX the forms for interaction with the visitor. Frequently it is visible, that number of critical mistakes in browsers simply hugely.
And here recently has come across a site excessively using both standard libraries, and elements of own manufacturing for search under the catalogue of the real estate. With surprise has found out, that it perfectly passes check http: // validator.w3.org/. In this post I shall try to collect optimum decisions for an average site.
Considering employment it can borrow some time. All with Christmas!