Built-in Site Optimization

Optimizing is an ongoing practice at Book Like A Boss. We continue to stay up to date and implement changes to ensure continuous improvements.

Here’s an overview of the built-in optimizations that occur automatically. While this list highlights many key processes, it's not exhaustive.

• Image Optimization (for more information, see Built-in Image Optimization)
• Video Optimization
• Lazy load images (for more information, see Lazy Loading and Fonts)
• Lazy load heavy widgets
• CDN Static Resources
• Defer non-critical CSS
• Minify CSS
• Extract Critical CSS
• Avoid invisible text during font loading
• Optimize WebFont loading and rendering
• Reduce WebFont Size
• Reduce JavaScript payloads with code splitting
• Minify and compress network payloads
• Preload critical assets to improve loading speed
• Serve static assests with efficient cache policy
• Preconnect to required origins
• Initial server response time is short; <250 ms
• Avoid multiple page redirects
• Preload key requests
• Avoids enourmous network payloads (files larger than 5mb)
• Minimize third-party usage
• Third-party code blocked the main thread for 180 ms
• Avoid large layout shifts
• Use passive listerners to improve scrolling performance
• WebP images (all images have a WebP generated version)
• Brotoli compression
• Continued improvements of lazy loading for new widgets
• Improvement in how custom widgets load
• Videos with auto compress
• Moved nearly all assets to CDN
• Concatenating CSS files (fewer requests)
• Continued Critical CSS improvements

Updated on: 06/01/2026