There are many different file formats that website design companies can use for site design. However, every specific graphic format has its own function and use and it is a part of good website design to use them judiciously.
Properties that these formats have:
In terms of common properties of these website design graphic formats, there are five main types. These are namely:
– Compression: This refers to the ability to store an image in a smaller file size. This employs using special algorithms to measure pixels as single items.
– Transparency: This varies the opaqueness of an image from being totally solid to being totally see-through or transparent.
– Progressive loading: In this case of website design, a part of the image is loaded first. However, it is not decided on the concept of alternating rows. This allows the picture to get loaded quicker.
– Interlacing: This is much like progressive loading, except that the odd numbered rows of the image appear first, followed by even numbered rows. Users can see images quickly using this format of website design.
– Animation: In this case of website design graphical formats, various still images are moved in quick succession to make it seem like they are moving. Most animated GIF images work on all browsers as they do not need plug-ins for them.
File formats available:
There are three main graphic file formats in website design. These are GIF, JPEG and PNG. One of the oldest formats is GIF and it helps loading images quickly.
They have only 8 bits of color and have interlacing and transparency incorporated in them. These are the most common forms of graphics in website design and images look good in such formats. JPEGs are compressed files and have a 24 bit color capacity. In situations where you need high quality images in website design, a JPEG format works well. Compression elements of JPEG files can be easily controlled by a website design company.
The download speeds for such format files is faster and in cases of complicated drawings, the overall quality is excellent. In PNG graphic formats, there is support for 24 bit color images. Both interlacing and transparency is incorporated in such images. Such images also can have a description alongside, for use in search engines. Compared to JPEG images, PNG images look much better and hence are preferred where high quality images are needed. Plus, it overcomes the restrictions of an 8 bit color image in website design.
by Norman Villegas – http://www.website-designcompany.com
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