CHECK GLOSSARY · DOM-001

Very large page structure

In plain words: Pages with thousands of elements use more memory and take longer to lay out, especially on phones.

How to fix it

Paginate long lists and flatten unnecessary wrapper elements.

Official sources

• Chrome: DOM size

Related checks

• EMAIL-001: Plain-text email address
• BLANK-001: Unsafe target=_blank links
• REFRESH-001: Meta refresh redirect
• RENDER-001: Render-blocking scripts

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