Latest Do's and Latest Don'ts of web

Latest Do's

* Remove the outline from links on :active only
* Specify HTML document’s language
* Make sure your site works with and without the www prefix
* Use progressive enhancement instead of graceful degradation
* Use the CSS cascade
* Specify a text colour for img elements
* Plan the absence of Javascript
* Always provide an alt text in img elements
* Use tables in HTML email
* Get familiar with CSS escape sequences

Latest Don'ts

* Don't use splash pages
* Don't publish undated content
* Don’t use HTTP based resources on a HTTPS page
* Don't use protocol relative paths to CSS files
* Don't be skipping heading levels
* Don't link pages to themselves
* Don't use empty HTML elements
* Don't add reset buttons in forms
* Avoid CSS expressions
* Don't allow CSS caching