SEO（Search Engine Optimization，搜尋引擎優化）是一種提升網站在搜索引擎中排名的技術。在現代的網路時代中，SEO已經成為了許多企業和個人網站所必須掌握的技能之一。本文將為您介紹SEO的重要性，以及如何透過一些基本的技巧和策略來優化您的網站。
Fonts on 3rd party domains may take longer to load due to DNS and connection steps that are not necessary when fonts are hosted on the same domain.
Fix all of the following: Element is in tab order and does not have accessible text Fix any of the following: Element does not have text that is visible to screen readers aria-label attribute does not exist or is empty aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty Element has no title attribut
Fix any of the following: Form element does not have an implicit (wrapped) <label> Form element does not have an explicit <label> aria-label attribute does not exist or is empty aria-labelledby attribute does not exist, references elements that do not exist or references elements that are empty Element has no title attribute Element has no placeholder attribute Element's default semantics were not overridden with role="none" or role="presentation"
By default, references to external JavaScript files will block the page from rendering while they are fetched and executed. Often, these files can be loaded in a different manner, freeing up the page to visually render sooner.
When files block the main thread, users are unable to interact with the page content. Typically, parsing and executing large JavaScript files, as well as running long JavaScript tasks can block the main thread and should be avoided. These files had high thread blocking times:
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