In this Hasty Treat, Scott and Wes talk about five things that could potentially be making your website slow.
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3:00 - TTFB
- Slow DNS lookup
- Server on the other side of the world
- Slow server processing
- Network speed back to the browser
6:21 - Requests
- Too many requests
- Too large
- Waterfalling your requests
9:44 - Assets are too large
- Images are the biggest bloat in a site
- Compress and optimize via build tool or ImageOptim
- Make smaller
- Picture fill for mobile
14:48 - Lazy loading
- Intersection observer
- Preload slider images two ahead
18:03 - Not using a CDN
- What is a CDN?
- Cloudflare is free, others are very cheap - we used Cloudfront
- Netlify is free and comes with a CDN