Optimizing page speed highly depends on the infrastructure behind the servers. When you have a dedicated website host, your page speeds up a lot faster as compared to shared servers. Use CDN and GZip. Decreasing the size without compromising the quality of the images is possible by using optimization plugins. By removing unnecessary characters, spaces, commas, comments, and unused codes, you make it easier for the page to load faster. If you need professional help then it is best to seek help from the experts of a web development company in Salt Lake City, UT.