When you publish to a hypertext-linked web of HTML pages, you can select the format of the image files of the diagrams.
Graphics files are in two basic types formats: raster and vector. Vector programs are optimized for drawing and raster programs are optimized for image-editing. Raster graphics are also called bit-mapped graphics.
A bitmap (.bmp) graphics file is a raster graphics file created from a set of numerical values specifying the colors of individual pixels. Because they are typically uncompressed, bitmap files are usually much larger than compressed graphics files.
A Graphics Interchange Format (.gif) uses a graphics file format that stores multiple bitmap images in a single file for viewing and exchanging between platforms and local or remote computer systems. GIF files can contains up to 256 colors, including a transparent color, and can produce near-photographic-quality images. The size of the file depends on the number of colors actually used.
An ISO/TTU standard for compressing static images such as photographs. JPEGs offer high compression capability, using an encoding algorithm to compress data from the original image.