Modern websites often have dynamic content-rich web pages that can sometimes be difficult for visitors’ web browsers to quickly process and display.
Complex web pages can require significant amounts of CPU processing time before the web browser can properly show the website to visitors. There are several areas of a website that can cause a web browser to work too hard. Please note that resolving issues with using too much CPU time can often require advanced website development expertise.
Second, Cascading Style Sheets that use complex selectors with pseudo-classes, pseudo-elements, and combinators make the web browser carry out expensive search operations to find all of the HTML page elements that match the complex selector. In some instances, these complex selectors can be rewritten using simple CSS classes.
WordPress websites generally do not have problems with requiring web browsers to need excessive CPU processing time; however, larger, more complex, and custom-developed WordPress websites may encounter this problem. Generally, websites that require too much CPU processing time may require advanced website development expertise to correct.
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