However, this doesn't mean that splitting your entire JavaScript codebase into many smaller files won't hurt you. You need to test your use cases carefully.
Images account for a large portion of your page load. Therefore, they require a little more consideration than the usual common image optimization techniques.
If your website uses images, and I'm sure it does, you may want to learn which image format is right for your needs. Some image formats are better suited for vectors, while others are best for photographs.
The chart above can help you choose between the formats that algeria mobile database are right for your image needs . JPEG supports lossy compression for photos, while SVG is a text-based format that compresses on the fly and can reduce the file size to less than PNG in most cases.
Another consideration is new image formats.
PageSpeed recommends "Serve images in next-generation formats". The only widely supported next-generation format, WebP, is supported by only 77% of browsers and not Safari. As a result, WebP is used by no more than 4% of images on the web .
So, using WebP as the primary image format is still a big question. But the WebP format greatly reduces file size, making it a very attractive option for performance optimization. And, in most cases, it is a good choice to serve images to browsers based on their compatibility.
This may sound complicated, but it isn’t. There are solutions that can automate this dynamic image conversion. Once you’re ready to use WebP on your site, you have a number of options.