How to Insert HTML on Tumblr. The Tumblr website allows you to create and update a simple blog using publishing tools created specifically for Tumblr blogs.

How to Add a Tooltip in HTML. A tooltip is a handy means of providing textual instruction to your Web page visitor and is accomplished in HTML by using a "title" attribute.

The Digital Inspiration weblog has a step-by-step for adding HTML to Gmail messages. For those of you who have tried inserting an image or table in Gmail, you've probably noticed that Gmail won't ...

Some web pages display a small image (PNG, etc.) in the page tab title, address bar, or browser bookmarks. This image is called a favorites icon or Favicon for short. Here's a step-by-step guide on ...