Why is the page stuck locally? Can anyone help analyze it? Thank you_html/css_WEB-ITnose

I would like to ask everyone, a single html page of more than 200 kb is running on a tablet and it feels stuck. What is the main reason? Is it the tablet itself, the page content is too large, or is the page not optimized well? The page uses html5

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Computer problem

It may be that some files are called, rule it out, it’s up to you Exclude those external files that are called, one by one,