Baidu names the characteristics it treats as low quality, and the list is more specific than most engines publish.
The markers
- Collected or lightly rewritten content.
- Pages assembled from search results or tag aggregations with no added value.
- Keyword-stuffed titles and text.
- Advertising that dominates the content area.
- Contact-detail spam, particularly on B2B pages.
Enforcement
Each of these maps to a named algorithm, which means the consequence is identifiable and, usually, recoverable.
Alien Road
How we apply this
The advantage of named algorithms is diagnosis: when a client is hit, we can usually identify which rule applied and target the remediation. That is a real improvement over guessing after an unnamed core update.
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