1.Image Optimization
2.Reduce HTTP Requests
3.Minify CSS and Javascript
4.Critical Path and Render Blocking Resources (CSS + JS)
5.Reduce Latency with a CDN
6.Time to First Byte (TTFB)
7.Avoid 301 Redirects
8.Caching
9.Prefetch and Preconnect
10.HTTP/2
11.PHP7 and HHVM
12.Web Font Performance
13.Hotlink protection
14.Enable Gzip Compression
15.Infrastructu re
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