Known Issues with other plugins

It’s impossible to test OMGF (Pro) with all WordPress Plugins available on the market. That’s why, as I (or other users) find issues/solutions with other plugins I will add them here. Found one? Let me know!

Plugin/Theme Name Issue Solution
Asset Cleanup Pro OMGF (Pro) can't detect any fonts.
Make sure Settings > Google Fonts > Combine Multiple Requests into Fewer Ones is disabled.
Autoptimize If Autoptimize’s option Optimize Google Fonts is set to any option other than Leave as is, OMGF (Pro) can’t detect any fonts. Set Optimize Google Fonts to Leave as is.
Custom icons for Elementor (by Michael Bourna) Preload URLs result in 404s.
Unfortunately, there's no fix at this point. However the plugin Custom icons for Elementor Page Builder (by SkyBootstrap) has been tested with OMGF (Pro) and works.
Divi OMGF (Pro) can't detect and download any fonts.
Make sure Divi > Plugin Options > Performance > Improve Google Fonts Loading is disabled.
iThemes Security OMGF (Pro) can’t detect and download any fonts if this plugin is enabled. Disable iThemes Security before running OMGF’s detection routine. After succesful completion, re-enable iThemes Security.

Note: OMGF’s Automatic optimization mode might run into continuous issues while iThemes Security is enabled.
LiteSpeed Cache OMGF (Pro) doesn’t detect and/or download any fonts. Set Load Google Fonts Asynchronously to Off in LiteSpeed Cache > Page Optimization > HTML Settings (used to be Optimization.)
NinjaFirewall OMGF (Pro) can’t detect and/or download any fonts. Before running OMGF’s detection routine (whether in Automatic or in Manual mode) temporarily disable Set X-Content-Type-Options to protect against MIME type confusion attacksunder Ninja FIrewall > Firewall Policies > Advanced Policies.
Oxygen OMGF (Pro) doesn't detect any fonts.
Before running OMGF's detection routine, make sure Disable Google Fonts is unchecked under Oxygen > Settings > Bloat Eliminator and make sure you're using a fresh copy of your CSS Cache under Oxygen > Settings > CSS Cache > Regenerate CSS.
Oxygen WebFont loader isn’t properly removed. Before running OMGF’s detection routine (whether in Automatic or Manual mode) go to Oxygen > Settings > Bloat Eliminator, check Disable webfont.js and Save Changes.
PerfMatters OMGF (Pro) can’t detect and/or download any fonts. Before running OMGF’s Auto-detect make sure the option Disable REST API is set to Default (enabled).
Once you’ve finished configuring OMGF’s stylesheets, you can put it back to one of the other options.
SG Optimizer OMGF (Pro) can't detect and/or download any fonts.
Make sure the Web Fonts Optimization setting is disabled.
Thrive Architect OMGF Pro doesn’t remove external requests. After running OMGF Pro’s optimization routine, go to Thrive Dashboard > General Settings and check Disable all Google Fonts loaded by Thrive on your website.

If you ever need to change fonts, disable the above mentioned option. Run OMGF Pro’s optimization routine and when finished, enable the option again.
Thrive Theme OMGF (Pro) doesn't detect any fonts.
Make sure the Font Optimization option in Project Lightspeed is disabled.