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PageSpeed (Legacy)
YSlow (Legacy)

PageSpeed: Minify HTML (deprecated)


Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up downloading, parsing, and execution time.

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PageSpeed recommends:

Minifying HTML has the same benefits as those for minifying CSS and JS: reducing network latency, enhancing compression, and faster browser loading and execution. Moreover, HTML frequently contains inline JS code (in <script> tags) and inline CSS (in <style> tags), so it is useful to minify these as well.

Note: This rule is experimental and is currently focused on size reduction rather than strict HTML well-formedness. Future versions of the rule will also take into account correctness.

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