Images are an important part of blogs but it makes website heavy. If you use big size images on your blog, it reduces the website speed and makes website heavy. Since site performance and speed is an important factor in Google, we must take care of this. So optimizing images will be helpful for website SEO.
Read: Compress CSS with PHP
Read: Improve WordPress speed
If you are looking for a perfect solution, you can try Wp Smush.it plugin. It is a nice WordPress plugin for easy image optimization.
Smush.it is an opensource image optimization that uses Yahoo’s YSlow for high performance images. Smush.it plugin does several ways to compress images without reducing the quality
- Stripping meta data from JPEGs
- Optimizing JPEG compression
- Converting certain GIFs to indexed PNGs
- Stripping the un-used colours from indexed images
How Smush.it Works on WordPress
When we upload an image on WordPress it is passed through smush.it. Plugin tries to reduce the size of image as much as it is possible. You can also use the plugin to compress images in bulk. If your blog is old and already have so many images, you can use bulk Smush.it option.
After installation of this plugin, I was able to get good output from the Plugin. It was reducing the images by 7-53% on average for each.
If you own WordPress blog, you can give it a try.