Google SEO
1999 — SEO history
What was the keyword-density era?
Before 2000, high keyword density in titles, metadata and body copy could improve rankings. Meta keywords, hidden text and doorway pages were common. The manipulative practices of that era are now penalized.
Further analysis
Use this entry as an audit checkpoint. The cited source establishes the context; the direct answer identifies what to check before choosing an action.
In SFT, this topic relates to Structure. Check whether the signal is visible on the page, connected to the rest of the website and supported by understandable evidence.
Related search terms include keyword density, meta keywords, 1999, doorway pages. Use them to describe the issue in a brief, audit or answer page.
Applying SFT
Structure turns a rule into readable architecture: headings, URLs, structured data, visible content and clear hierarchy.