Google Search Essentials (formerly Webmaster Guidelines) set out the technical requirements and quality expectations Google uses to evaluate whether a page deserves to rank. They are organized around three categories: technical requirements, spam policies, and key best practices.
Technical requirements include ensuring Googlebot can crawl your pages, that your pages return correct HTTP status codes, and that content is not hidden behind login walls or paywalls without structured data to signal that to Google.
Spam policies are the rules most agencies prefer not to discuss openly. They explicitly prohibit:
- Automatically generated content designed to manipulate rankings
- Link schemes — including buying links, excessive link exchanges, and using link networks
- Cloaking — showing different content to Google than to users
- Scraped content, even when it is modified
- Hidden text and links
- Doorway pages created to rank for specific queries rather than serve users
Key best practices cover page experience signals, Core Web Vitals, mobile usability, and the E-E-A-T framework (Experience, Expertise, Authoritativeness, Trustworthiness). These are not hard violations — they are quality signals that influence how competitively a compliant page ranks.
The distinction matters: spam policy violations can result in manual actions or algorithmic demotions that remove pages from results. Weak E-E-A-T signals result in lower rankings relative to competitors who demonstrate them better. Both categories require attention, but they require different remedies.
One common misconception is that Google's guidelines only apply to link building. In practice, they govern content quality, site architecture, structured data use, and how a site handles ads and interstitials. A technically clean site with purchased links is still non-compliant. A site with editorial links but thin content is also non-compliant. Compliance is not a single checkbox — it is a condition of the entire site.