Tips, Resources and Patterns for Responsive Web Design
An article on the best practices to apply in order to minimize HTTP round-trip times
DOM Monster is a cross-platform, cross-browser bookmarklet that will analyze the DOM & other features of the page you're on, and give you its bill of health.
Build responsive, mobile-first projects on the web with the world's most popular front-end component library.
Bootstrap is an open source toolkit for developing with HTML, CSS, and JS. Quickly prototype your ideas or build your entire app with our Sass variables and mixins, responsive grid system, extensive prebuilt components, and powerful plugins built on jQuery.
This site provides a collection of schemas that webmasters can use to markup HTML pages in ways recognized by major search providers, and that can also be used for structured data interoperability (e.g. in JSON).
This website and its sample code creates a template of sorts, absent of design or layout, that will help you avoid some of the major rendering problems with the most common email clients out there — Gmail, Outlook, Yahoo Mail, etc. While not plug and play (you know, you'll have to do some work ;-), it will provide some helpful examples and snippets that will keep your email design rendering as true-to-form as possible.
HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS) with a thoroughly audited, secure yet permissive whitelist, it will also make sure your documents are standards compliant, something only achievable with a comprehensive knowledge of W3C's specifications.
HTML2PDF is a HTML to PDF converter written in PHP.
It allows the conversion of valid HTML 4.01 in PDF format, and is distributed under OSL.
Slickmap CSS is a simple stylesheet for displaying finished site maps directly from HTML unordered list navigation. It's suitable for most web sites – accommodating up to four levels of page navigation and additional utility links – and can easily be customized to meet your own individual needs, branding, or style preferences.
Easily create beautiful, branded email marketing campaigns. Start by choosing one of our free HTML email templates and customize it in minutes.
The Email Standards Project is about working with email client developers and the design community to improve web standards support and accessibility in email. The project was formed out of frustration with the inconsistent rendering of HTML emails in major email clients.
MiniWeb models an entire web site in a single HTML page. All of the site files are stored in a JSON object which you can navigate with a UNIX-like shell or the system browser. It has a built-in templating system and has an approximate separation of client and server. It is in its infancy but is still kind of fun to play with.
cssQuery() is a powerful cross-browser JavaScript function that enables querying of a DOM document using CSS selectors. All CSS1 and CSS2 selectors are allowed plus quite a few CSS3 selectors.