CHECK GLOSSARY · MIXED-001

Mixed content

In plain words: Browsers block insecure scripts and images on secure pages, breaking parts of the page.

How to fix it

Serve every subresource over https.

Official sources

• web.dev: Mixed content

Related checks

• HREFLANG-001: Invalid hreflang codes
• IMG-002: Images missing dimensions
• SCHEMA-002: Schema missing required fields
• SCHEMA-003: Broken JSON-LD syntax

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