One of the common errors we come across when testing site speed with GTmetrix is Avoid AlphaImageLoader filter, which you will encounter mostly when the site is optimized for the IE 7 browser. Unfortunately, using the IE browser still has many problems, and we have many problems browsing the sites with this browser, although a small percentage of other users use this browser. But it does not mean we do not optimize the site for this low percentage.
This tutorial from Hostfa’s knowledge base will discuss how to fix the Avoid AlphaImageLoader filter error in Yslow GTMetrix so that if you have encountered this error due to the use of the AlphaImageLoader filter in the IE browser, you can easily fix this error. Fix it.
Tutorial on how to fix the Avoid AlphaImageLoader filter error in GTmetrix
To display better transparent images or images that do not have a background color and are definitely in PNG format in the IE browser, we have to use the AlphaImageLoader filter to load the images completely on the site page first. Then Full loading of other parts of the site that have not been loaded yet should be loaded completely. The AlphaImageLoader filter is related to the CSS language that programmers use to prevent display problems in the IE browser, which generally exists from version 7 and below.
To fix the error, Avoid the AlphaImageLoader filter in GTMetrix; according to the site itself, we should avoid using this filter. Because this filter involves more memory, and on the other hand, because the image is not loaded, other parts of the page are not loaded, so it takes more time to read and fully load a page, which causes a lack of optimization in The site will be This error is displayed in Yslow column, which is related to Yahoo’s algorithms to optimize site speed.
To eliminate this feature, it is enough to remove these blocks in the files that use the AlphaImageLoader to solve the AlphaImageLoader problem in GTMetrix. If you do not have enough information in this field, getting help from a programmer for this task is better.