Unverified50% confidenceFactExact time
The hash fragment of a URL is not sent to the server when the browser initiates an HTTP request and is handled entirely by client-side JavaScript.
1
Sources
50%
Confidence
Long-term
Relevance
9/11/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedTraditional HTTP request-based crawlers (such as Python's requests library) can only retrieve raw HTML returned by the server and cannot execute JavaScript, thus failing to see dynamically loaded content.72% similarUnverifiedThe HTTP protocol itself is a stateless request-response model in which the server cannot actively push messages to the client, which is the reason why the polling pattern was widely used in the HTTP era.67% similarUnverifiedA crawler program sends HTTP requests to a server via code, and the server returns raw content; however, since the crawler lacks a browser's rendering capability, what it receives is the raw HTML source code of the webpage66% similarUnverifiedBrowsers enforce the Same-Origin Policy by default, allowing front-end JavaScript to only send requests to servers with the same protocol, domain name, and port.63% similarVerifiedA webhook is essentially an HTTP callback: after a repository detects an event such as a code push, it sends a POST request to a pre-configured URL.63% similar
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