Updates and corrections

Source-check dates record when the cited pages were checked. Editorial revisions are recorded separately, and website improvements do not imply that every source has been checked again.

7 October 2026

• Corrected the ROAS goal guide: a return of 1.00 means revenue equals advertising spend, not business profitability after product and other costs. Added a margin example. The existing source-check date is retained.
• Clarified the relationship with the promoted product, the scope of editorial review and local theme storage.
• Added full-text search, similar-spelling matches, article contents links and social sharing previews.
• Updated the corrections contact to vs8120169@gmail.com.

5 October 2026

The library was first published. Initial source-check dates on the entries are 2–3 October 2026.

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