url-sanitization

To sanitize URLs extracted from HTML content, you must validate them against a predefined list of safe schemes. This process actively blocks dangerous protocols like javascript: to prevent XSS attacks and ensure web scraping security.

During HTML sanitization, dangerous URL schemes like javascript: and data: are actively blocked. The process strictly enforces approved protocols such as http, https, mailto, and ftp to ensure only safe URL schemes are used.

You need URL validation when converting HTML to Markdown to ensure that extracted links and image sources do not contain malicious code. Sanitization prevents unsafe redirects and blocks potentially harmful schemes during content conversion.

Yes, URL sanitization supports user-generated content moderation by validating and sanitizing URLs found in web content. It ensures only safe and expected protocols are used, mitigating security vulnerabilities in dynamic user submissions.

The best way to handle dangerous URL schemes in web scraping is to apply strict scheme validation. By adhering to a predefined list of safe protocols and rejecting dangerous ones, you prevent security risks from malicious URLs.