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Rule · Document head and metadata

Snippet controls in use

SEO-META-04C4 Informational· w0informational

Class
C4 Informational
Weight
0
Severity on fail
info
Applies to
Google and Bing

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Scope and evidence

Evaluated on page (P). The book marks this requirement OPTIONAL.

Observations

Each condition has a stable code and a reason template. The evaluator fills the placeholders from observed values only; no sentence in a report is generated.

  • snippet_controls

    {url} uses {controls}. {effect}

  • data_nosnippet_unsupported_element

    {url} uses data-nosnippet on <{element}> at line {line}. Google supports it only on span, div and section, while Bing supports it on any element.

Sources, quoted

These are the passages the rule rests on, stored once in the knowledge base and emitted exactly as written. A citation marked for specific conditions appears only on findings with those codes.