Site properly loads only after F5

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Hi,
I was removing several of my plugins and accidently removed also Autoptimize.
After that I started to get HTTP 404 errors on my site due to attempts to access to CSS files that does not exist anymore.
I reinstalled the plugin, but now I get HTTP 410 errors which also resolve only after F5 is pressed.
Will appreciate your help with site that I work on for years and would be difficult to start over.
Thanks in advance

The page I need help with: [log in to see the link]

 

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