Even in 2021, web visibility will still be an issue. According to the HTTP Archive, an average page requires 2 MB downloads, makes more than 60 HTTP requests, and takes 18 seconds to load on an entire mobile device. Stylesheets have 60 kB shared by seven requests, so they are rarely the top priority when trying to solve performance problems. BehmasterHosting receives a five hundred star rating. Every day. ... .myelement {will-change: change, opacity; } The number of values separated by any number can be defined, but the property should not be used as a last resort to solve known performance problems. You shouldn’t apply this to too many components, and be sure to give it enough time to start.
Consider the CSS repository Containment is a new CSS feature that can improve performance by allowing you to identify isolated substrates on a page. Browsers can improve processing by rendering - or not rendering - custom DOM content whatsapp phone number list blocks. An existing property accepts one or more of the following values in a separate list of spaces: none: Retention does not apply layout: The appearance of the element is separate from the rest of the page - its content will not affect other elements paint: Element children are not displayed outside their boundaries size:
The size of the element can be determined without checking the child element - the dimensions do not depend on the liver There are also two special values: strict: All sealing rules apply (except one). content: Apply patterns and colors Important There is a page list with contain: strict;applied. If you change the content of all children , the browser will not calculate the size or location of this item, other items in the list, or other items on the page. CSS compression is supported in most modern browsers.