File Types There are a several different types of image file formats you can use on the web. Here are the three most common with some important facts about each of them. Each has their place in the web, and if you know when to use them, you will be better off. gif Graphics Interchange…
In some cases, PNG graphics can be a lot smaller than other graphic types, especially if you have solid colors. However, if you do a Save As in Photoshop, you will find yourself creating large, unoptimized PNG graphics. Watch this tutorial to see how to optimize your PNG graphic, using Save for Web, to make…
Basic Idea of a Template The idea behind a template, as we create earlier in class, is to make it easier to create additional pages. It should help: Reduce page development time Increase consistency between pages However, the problem with using a “template” file, renaming it, and adding new content is that it will be…
Search Signals Search engines use different signals to determine which sites to display, and in what order to display them, in response to a user’s query. Most general search engines (Google, Bing, Yahoo, etc.) use similar signals. However, how much weight a signal is given, and what they index (content they know about) can vary….
It is fairly common knowledge that people hate to wait for websites to download and view. It is even easy to find studies which state that you only have between 4 and 7 seconds to get someone interested in your site, which means you’ve got to be fast. What isn’t known so much is how…
Dreamweaver’s form validation is a simple one. While it works for about 80-85% of all cases, It doesn’t have a lot of flexibility to make changes unfortunately. Here is a list of some of the things you cannot do with Dreamweaver’s built in form validation tool. Check to see if a check box is selected….
CSS Sprites allows websites to load faster by reducing the number of objects (images) that are needed to download. CSS Sprites uses part of a larger image to display a section so that it displays correctly. Using CSS Sprites was originally found on Access 2 Learn
Previously, we talked about creating icons with CSS Sprites. You’ll need this image (Source: http://www.lighttek.com/icon/index.htm) for icon part of the exercise and this image for the button part. You will also need this original file, which will eventually look like this completed file. CSS Sprites A sprite is a portion of an image used as…
