How to speedup your slow WordPress website?

1. Take a speed test of the website. There are several tools to test website speed.
   • Pingdom Website Speed Test at in https://tools.pingdom.com
   • PageSpeed Insights https://developers.google.com/speed/pagespeed/insights/
2. Performance Insights report and solution (pingdom).
   • Specify a vary accept-encoding header. [.htaccess]
   • Leverage browser caching. [.htaccess]