Thunderbird is Mozilla's free, open-source email client, capable of sending rich-text messages by using HTML. When you open a Thunderbird message, it operates like most rich-text editors: you select ...

Learn instances where using visual, HTML sitemaps make sense than simply relying on your website's navigational structure or XML sitemaps. Google search advocate John Mueller has always downplayed the ...

The debate about the utility of HTML sitemaps and their efficacy with regards to SEO rages on. But as far as I’m concerned, they are useful for users and there is no good reason not to have one. If ...

Learn how to use HTML5 to plot points on a map and determine current position This article is an excerpt from the book HTML5 Guidelines for Web Developers published by Pearson/Addison-Wesley ...