Reduce Time to Load First Byte ( TTFB ) in WordPress


https://wpengine.com/support/troubleshooting-high-time-first-byte-ttfb/

TROUBLESHOOT HIGH TTFB

Copy to staging or development site, or take a backup before proceeding.
  1. Test the TTFB on a few different pages of your website
    • If it’s just a few pages that are slow, it’s likely an element that is being used in common across the pages.
  2. Test a static HTML file instead of a dynamic WordPress page
    • If TTFB is high on a static page, then there may be a load issue on the server. Contact Support for assistance.
    • If TTFB is low on a static page, then some content on your site is likely causing the issue.
  3. Activate a different theme
    • If TTFB is lower, your theme is likely causing the issue. Check for an update or reach out to the theme developer.
    • If TTFB is still high, try disabling plugins.
  4. Deactivate all plugins
    • If TTFB is still high, it’s potentially due to a database issue. Check your autoload data and queries.
    • If TTFB is lower, try enabling the plugins one by one to find the culprit.

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