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Website Speed Optimization: A Complete Guide

How to measure your website speed, find what is slowing it down and fix the biggest problems first.

By Suresh Kumar M

Founder & Tech Lead, Adkode

Oct 28, 20261 min read

Speed work is most effective when it follows evidence. Rather than changing everything at once, measure your pages, find the biggest bottlenecks and fix them in order of impact.

1Measure Before You Change Anything

Test your key pages with Google PageSpeed Insights and check real-user data in Search Console where available. This gives you a baseline to compare against.

2Fix the Largest Bottlenecks

Oversized images, slow servers and heavy scripts are common causes. Address the problems your reports highlight on your most important pages first.

3Protect the Mobile Experience

Many visitors use mid-range phones on variable networks. Test on real devices, because a page that feels fast on a laptop may not feel fast there.

Metrics to Watch

  • Largest Contentful Paint
  • Interaction to Next Paint
  • Cumulative Layout Shift
  • Server response time
  • Total page weight
  • Number of third-party scripts

Final Thoughts

Speed is ongoing maintenance, not a one-time task. New images, plugins and scripts add up, so build regular checks into how you manage the website.

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