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FLT (Full Load Time)

What is the FLT ?

FLT stands for Full Load Time and is the time spent to send the HTML page and all the linked ressources (css, scripts, images, etc.) necessary to the finish to the browser, which is technically associated with the « load » event. For a browser, it consists in the disappearing of the loading icon visible on the tab when the finish is done and the user can freely navigate on the page. This period depends on numerous aspects such as DNS resolution times, connection quality (latency), geographical location, used HTTP protocol, server performances, quality of the applications producing dynamical ressources, working cache systems, and also of the number, weight, and ressources compression to load plus their source.

What is the consequence for SEO ?

FLT can impact the position of a website in SERPs because of its consequence on user experience. If the page is too long to load or be interactive with. The user can go back on SERP and click on another website, which lowers your worth in the eyes of Google. We recommend a loading time under 3 seconds.

How to increase the loading of my pages ?

Many improvement ways can be think of :

  • Less ressources to load
  • Compression and minimization of textual ressources
  • Compression and redimensionnement of images
  • Use of HTTP/2 protocol
  • Use of public CDNs fr the free ressources (jQuery, Bootstrap,etc.)
  • Choose a more powerful server
  • Look for scripts that slow down the loading of pages (or some Wordpress modules for example, by deactivating them one by one)
  • Activate the cache for the server when it is possible
  • Use a Load Balancing in order to lower the server load by spreading it on several servers.
  • Etc.

There are many ways to improve the loading of the pages but they all depend on technical elements and must be tackled with a specialized technician.

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