Check out some of these easy ways to reduce TTFB on your site. Fast hosting, utilizing a CDN, caching, and DNS all come into play.| Kinsta®
Learn how to set up Lighthouse to audit your web apps.| Chrome for Developers
What are the most popular JavaScript libraries on the web| w3techs.com
Users pay close attention to photos and other images that contain relevant information but ignore fluffy pictures used to "jazz up" web pages.| Nielsen Norman Group
This report tracks the size and quantity of many popular web page resources. Sizes represent the number of bytes sent over the network, which may be compressed.| httparchive.org
Learn about this image format that creates smaller images for the web and get links for converter downloads and support.| Google for Developers