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XML-RPC server accepts POST requests only Error Message

Aug, 8 57
In some rare cases when visiting your site, it returns a blank page with the message XML-RPC server accepts POST requests only. First, make sure you installed latest available version of Swift Performance. If you need to update, rebuild cache after update and if the problem still persist, it coul...

Can Swift be used on GoDaddy sites?

Aug, 8 15
Yes, Swift Performance can be used on GoDaddy.

TripAdvisor widget won’t load when merge scripts are turned on

Aug, 8 14
You can exclude it through using: jscache.com/wejs in Exclude Scripts.

Is Swift Performance compatible with WPEngine Hosting?

Aug, 8 17
Yes, Swift is compatible with WPEngine. During the initial setup Swift will detect WPE hosting and disable Swift’s cache to use WPE cache (which is what WPE requires). All additional features will work properly and without issue on WP Engine.

My header stopped working

Aug, 8 10
Try with deactivating "Force Responsive Images" feature: Settings > Media > Images >Force Responsive Images.

Are there any guidelines/tips for using Swift Performance with Cloudflare?

Aug, 8 23
Turn off the minify settings in Cloudflare and allow Swift to do the job. Test it. If you would like to have Cloudflare do the minifying, then disable minify in Swift. Never minify twice. Make sure Rocket Loader is disabled in Cloudflare. If you are using Cloudflare caching you can also enable autop...

When Swift Performance is active, Elementor edit is not working

Aug, 8 63
Please be sure that you are using the latest version of Swift Performance. If you do, enable Heartbeat in Swift Performance Settings if it is disabled. Normalize Static Resources in Settings > Optimization > General also can cause this issue, try to disable it if it is enabled.

Does critical font also work with FontAwesome 5?

Aug, 8 17
No, at the moment it supports only Font Awesome 4, however we are planning to extend this feature for more libraries (including FA5).

I moved website to a different hosting account and there is no page count showing and no file size showing

Aug, 8 11
Most likely your caching path had changed and you need to change that in Swift settings: Settings > Caching > General > Cache Path. If you are not sure about the new path you can reset section, Swift Performance will find the new path automatically.

What are Swift cookies for on frontend? Why should I disable/enable?

Aug, 8 18
The enable/disable is for GDPR, for example if you are using GA bypass you can disable the cookies by default, and when the visitor accepts the tracking cookies you can use an option filter to enable them. Example: add_filter('swift_performance_option_cookies-disabled', function($value){ if (i...
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