We will go through different step you can carry out in order to improve the speed of your Woffice app.
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Go to your PHPmyAdmin and access to your database's structure:
Make sure there is no heavy table (more than 5MB).
Inspecting the loading speed of each element
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You can also use one of the many CDNs available here : https://www.cloudflare.com/
We hope this article has been helpful for you.
If you have any other recommendation to pass on, please feel free to comment down below.