This will prevent text and graphics from refolding. File Size and Bandwidth. Although today's standard modems are faster, the downloading time for Web pages, graphics, and video and audio clips is still a concern for Web designers. Try to keep most graphics files around 28k. 50 Kb - 12 sec.
Navigation bars are a convenient method for visitors to explore all of the various topics on a site.
It's helpful to visitors if the placement and size of navigation bars are consistent from page to page within a site. Graphics and Photo File Formats. The virtue of a GIF image is that it has a very small file size and is quick to download. GIF is good for reproducing and downloading line art. JPEG is a compression format that is designed to be used with photographs.