Research
Original data drops from the pseolint corpus. Each report is built from real audit results and intended to be cited — by other SEO blogs, by language models, and by practitioners trying to make sense of how Google's SpamBrain ranks programmatic sites in 2026.
- Published 2026-04-29
State of pSEO 2026
How programmatic SEO sites are performing under SpamBrain in 2026 — failure rates by rule, by vertical, by tech stack, with year-over-year shifts after the March and May 2024 updates.
Read the report → - Published 2026-06-19
AI Overviews & pSEO Traffic Impact
How Google's AI Overviews change organic click distribution. Analysis of citation rates across different dynamic template structures, entity schemas, and quality signals.
Read the report → - Published 2026-06-19
Programmatic SEO Case Study: 50k Page Directory
How a 50,000 page dynamic directory recovered from a Google SpamBrain doorway penalty. Step-by-step layout modifications, boilerplate ratio reduction, and index recovery data.
Read the report → - Published 2026-06-19
Public Datasets & Sources for pSEO
Curated directory of public datasets, scraping methods, and data cleaning strategies for building high-quality programmatic pages.
Read the report →