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If you have a lot of images, it’s essential to learn about the optimal format for each image. There are three common web image file formats: JPEG, GIF, and PNG. In general, you should use JPEG for realistic photos with smooth gradients and color tones. You should use GIF or PNG for images that have solid colors (such as charts and logos).
GIF and PNG are similar, but PNG typically produces a lower file size. Read Coding Horror’s weigh-in on using PNG’s over GIF’s.
I am more than thankful for sharing the useful post. I desire to improve the speed of the website. I am interested in following all the points.
You should also avoid Flash and useless graphics and also you should put the CSS file at the top and JS at the bottom.
avoid flash images and try to use compressed images
These points are very important and informative to learn that how we can speed up our website and which factors do matters. Every webmaster should try to make his website page's weight very low.
Compress the images
after compressing images scale images
utilize browser caching
Then combine all images in to CSS Sprites
Defer the parsing of java Script
Use best hosting service
Tips to Improve Your Website Speed
Switching to a better hosting company
Prefer clean code
Avoid large image and wrong image
Use compression software
DO SEO
Use CSS sprites
hi
Use Inline CSS,avoid using jpeg and flash.If you are using jpeg banner then compress the size and use it then .
A good way to check performance of your site is using YSlow plugin (available for Firefox and Chrome). This plugin gives suggestions what needs to be improved on the site. Additional resources can be found on the Yahoo developer site at this link http://developer.yahoo.com/performance/
Compress the images
After Compressing images scale them
Utilize browser caching
Use best hosting
Improve your website speed by having using style css. Also try to have better content with good font so that it will load fast. Also make sure website must has a cache because it will really helpful to get load the website fast.
Use of less inline element will also decrease the loading of a website. You need to use compressed images whenever images are needed on a website as they take maximum time for loading.
Image files are often created with extra information embedded in the file. For example, JPEG files written by many image programs include the name of the program that wrote them. PNG images can often be made smaller by changing the way the image is encoded. These transformations are lossless. That is, the compressed image looks identical to the uncompressed image, but uses fewer bytes.
Avoid using large sized image. Compress the image size and use.
Use best web server.
Also unlink your images. It is also increase your website loading speed.