Verified65% confidenceFactTime unknown
The raw HTML of an ordinary webpage often contains tens of thousands of Tokens of redundant content, including CSS stylesheets, JavaScript code, ad scripts, and navigation menus.
3
Sources
65%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedThe DOM structure of a modern webpage can contain thousands of HTML elements, and providing all elements to a large language model would overflow the context window and introduce noise.77% similarUnverifiedHTML默认采用响应式布局、文档流排列和CSS盒模型，天然为网页而设计73% similarUnverifiedModern web applications make extensive use of JavaScript to dynamically render content (SPA single-page applications), so the HTML obtained by directly making HTTP requests often lacks the actual data.73% similarUnverifiedText browsers typically support a subset of HTML, tables, forms, and cookies, but do not execute JavaScript or render complex CSS.73% similarUnverifiedThe ratio of raw HTML to browser-rendered word count on content pages is clearly below about 0.8, meaning a substantial portion of the content depends on JavaScript rendering.71% similar
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