Docs: General

You are here:

How to remove all changes on website made by Swift Performance?

August 2, 2019 291 8
When you deactivate Swift plugin, and uncheck all boxes it will remove everything from database when you deactivate Swift and uninstall it.

How much PHP memory Swift’s needs?

August 2, 2019 52
Depends on the size of your site. The default should be fine but can go up to 256 MB or even 512MB to 1GB if site is bloated.

How to set the timeout to higher?

August 2, 2019 539
Check here for detailed steps to perform:  If set_time_limit is disabled on your server, or you are using reverse proxy (Nginx + Apache) and there is a short proxy read timeout, ...

Is the Timeout 40s in Swift dashboard max_execution_time?

August 2, 2019 221
Not exactly. This shows how long can PHP script run. It is possible that max_execution_time is longer, but there is proxy timeout which stops the script earlier. It will be also 40s if the server doesn’t serve multiple threads for the same IP.

Is the timeout time of the server of 300s OK or is higher better?

August 2, 2019 76
300 is the default timeout, however Swift will try to extend it up to 600s during autoconfig. If it is above or equal 40s it is ok, however higher timeout can speed up prebuild process.

The debug log shows ” [Warning] set_time_limit is disabled on the server”

August 2, 2019 91
It should be fixed easily if you add the following line to the top of your wp-config.php: define("SWIFT_PERFORMANCE_DISABLE_SET_TIME_LIMIT", true); 

I can not get the “revslider” to work with Swift on

August 2, 2019 80
It could be various reasons for this issue but 1st check if you have overlapping of Swift’s lazy load feature with other plugins/your theme’s lazy load feature, e.g. lazy load of

Can I upgrade license at a later date, or do I need to get a completely new license?

August 2, 2019 59
You can upgrade your Swift license at any time after initial purchase and you only need to pay the difference.  For  Swift's license upgrade you must login to your Swift’s account on Swift’s website, you will find the Upgrade options next to your subscripti...

How can I join Swift’s affiliate program?

August 3, 2019 30
Please try to enroll our affiliate program here: 

I get error 500 when trying to access the Dashboard from the Swift Settings page

August 3, 2019 50
The Warmup Table might be broken. You should update to latest Swift's version (if you are using an earlier version) or if you are using the latest version you should 1st disable Swift, don’t keep Warmup Table (Swift will ask you to keep some things and you untick a Warmup Table option) and reactivat...