Quality & Compliance
Ensuring content quality, avoiding penalties, and meeting search engine guidelines.
Thin Content
Pages with little substantive value, often penalized by search engines.
Duplicate Content
Identical or very similar content appearing on multiple URLs, causing ranking issues.
Content Quality Signals
Factors search engines use to assess the value and usefulness of page content.
E-E-A-T
Experience, Expertise, Authoritativeness, and Trustworthiness - Google's quality guidelines.
Helpful Content Update
Google algorithm update targeting content created primarily for search engines rather than users.
Google Core Updates
Broad algorithm changes affecting how Google assesses content quality and relevance.
Manual Actions
Penalties applied by Google's human reviewers for guideline violations.
Spam Policies
Google's rules defining prohibited practices that can result in ranking penalties.
Doorway Pages
Low-quality pages created solely to rank for specific queries, violating guidelines.
Cloaking
Showing different content to search engines than to users, a serious violation.
Hidden Text
Text invisible to users but readable by search engines, a spam technique.
Link Schemes
Manipulative link building practices that violate Google's guidelines.
Auto-Generated Content
Content created programmatically that must meet quality standards to avoid penalties.
User Experience Signals
Metrics like bounce rate and dwell time indicating content satisfaction.
Core Web Vitals
Google's metrics for page experience: LCP, INP, and CLS.
Mobile-First Indexing
Google primarily using mobile version of content for indexing and ranking.
HTTPS Security
Secure protocol requirement for websites, a ranking factor since 2014.
Accessibility for SEO
Making content accessible to all users, with benefits for search engine understanding.