How to fix Web Performance issues?

This post will give your a list of actions and quick guide how to optimize your website and increase performance significantly. following guidelines are:

  • Reduce required requests: Less number of http requests means less overhead on the page.
  • Use css for your main images: CSS Sprites is wonderful solution for merging icons and lots of small images into one. This reduce number of http requests in every page of the website.
  • Use a faster web server: Apache is standard solution however, there are solution which provides better speed. Look for more details.
  • Implement caching: It’s common to implement caching however, you should look for caching at multiple layers. Web-server caching, CDN caching and end user browser caching. All of them gives extra mileage in performance.
  • Enable compression: Compression(GZIP) is common and must be implemented in every content transfer happens from client to server. Read about it in below articles.
  • Eliminate plugins: Use standard libraries and try to avoid building wheel for any new problem. Libraries help in providing optimized solutions. Just look for security before using it though.
  • Use a top tier host
  • Use a content delivery network: CDN is good at serving static content and improves overall performance of the application. you must implement it.
  • Employ anycast dns: Anycast is CDN of DNS. It means all DNS resolution happens very quickly and available any cast DNS server helps resolve DNS queries quickly.

Read more in following documents.

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