Filters don't work

When I open the filter window on the Gear Optimizer page, it is completely empty.
Using Firefox on MaxOs.
Help!

Can you tell if there is a JS error?

I assume you are using latest version? We do test/support firefox for the UI, and we haven’t heard this one before.

This is what I get when I open the browser console and reload the whole page. Just pressing the filter button does not show any new messages. I think the last line is from the JS category.
Firefox is the latest version - i can paste "troubleshooting info’ details

Unknown pseudo-class or pseudo-element ‘-webkit-scrollbar’. Ruleset ignored due to bad selector. simplebar.min.css:1:328
Unknown property ‘-moz-border-radius’. Declaration dropped. simplebar.min.css:1:695
Unknown property ‘-moz-background-clip’. Declaration dropped. simplebar.min.css:1:1063
Error in parsing value for ‘-webkit-transition’. Declaration dropped. simplebar.min.css:1:1309
Error in parsing value for ‘-moz-transition’. Declaration dropped. simplebar.min.css:1:1342
Error in parsing value for ‘transition’. Declaration dropped. simplebar.min.css:1:1433
Unknown pseudo-class or pseudo-element ‘selection’. Ruleset ignored due to bad selector. core.min.css:1:440
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:881
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:1360
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:2266
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:2877
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:3422
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:4310
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:4546
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:6594
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:9144
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:9456
Error in parsing value for ‘display’. Declaration dropped. core.min.css:1:9758
Unknown pseudo-class or pseudo-element ‘-ms-input-placeholder’. Ruleset ignored due to bad selector. core.min.css:1:10753
Unknown pseudo-class or pseudo-element ‘-webkit-input-placeholder’. Ruleset ignored due to bad selector. core.min.css:1:10824
Unknown property ‘appearance’. Declaration dropped. core.min.css:1:11108
Unknown pseudo-class or pseudo-element ‘-ms-expand’. Ruleset ignored due to bad selector. core.min.css:1:11204
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:84641
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:86875
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:87346
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:87886
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:88556
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:91066
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:92894
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:94343
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:94484
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:95795
Unknown property ‘user-select’. Declaration dropped. wow.min.css:1:96561
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:98930
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:99471
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:100362
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:101083
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:101312
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:102627
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:103870
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:104296
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:104538
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:105502
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:106486
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:106944
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:107503
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:107711
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:107920
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:108325
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:108420
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:108720
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:109473
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:109938
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:110319
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:110676
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:110835
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:111321
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:111589
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:111863
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:112482
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:113232
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:113709
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:114207
Error in parsing value for ‘display’. Declaration dropped. wow.min.css:1:114336
Error in parsing value for ‘height’. Declaration dropped. wowgeareditor.min.css:1:772
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:869
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:1303
Unknown pseudo-class or pseudo-element ‘-webkit-input-placeholder’. Ruleset ignored due to bad selector. wowgeareditor.min.css:1:1517
Unknown pseudo-class or pseudo-element ‘-ms-input-placeholder’. Ruleset ignored due to bad selector. wowgeareditor.min.css:1:1705
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:2273
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:3525
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:6588
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:8720
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:8839
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:9201
Error in parsing value for ‘display’. Declaration dropped. wowgeareditor.min.css:1:9423
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:71
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:676
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:863
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:1926
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:2753
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:4352
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:4726
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:8145
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:9259
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:12535
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:12906
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:13059
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:13497
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:13828
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:14125
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:14736
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:14966
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:15576
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:16218
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:19897
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:20337
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:22756
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:23869
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:25658
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:25733
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:25798
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:27425
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:28673
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:28799
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:29298
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:31283
Error in parsing value for ‘display’. Declaration dropped. gear.min.css:1:31406
Unknown property ‘-moz-box-shadow’. Declaration dropped. tooltip.css:2:2031
Unknown property ‘-moz-border-radius’. Declaration dropped. tooltip.css:2:2119
Unknown property ‘-moz-border-radius’. Declaration dropped. tooltip.css:2:2361
Unknown property ‘-moz-border-radius’. Declaration dropped. tooltip.css:2:2704
Unknown property ‘-moz-box-shadow’. Declaration dropped. tooltip.css:2:2768
Unknown property ‘-moz-box-shadow’. Declaration dropped. tooltip.css:2:12235
Error in parsing value for ‘font-family’. Declaration dropped. wytryszek
An unbalanced tree was written using document.write() causing data from the network to be reparsed. For more information Speculative parsing - MDN Web Docs Glossary: Definitions of Web-related terms | MDN container.html:14

Most of those are just noise – ignoring vendor-specific css rules targeted at other browsers.

We don’t use document.write() in our code – wonder if an advertisement has a js error causing that one, but shouldn’t impact our page since those all run in their own frames…

I think that I’d have to get firefox on a Mac and see what’s up unfortunately… I know it works in firefox on windows…