Hello. Following a security vulnerability in the SP Page Builder extension and subsequent attacks, the site and its extensions were updated and further secured; however, the site has slowed down significantly. It turns out that during loading, it attempts to access multiple directories to load style.css.
Below are a link and a screenshot; naturally, these directories—such as /iconfont/icosfrdty/ and the subsequent ones—do not exist at that location:
How can I remove these erroneous references, and where might they be stored?