SEO Glossary
200 SEO terms explained in plain English — from basics to AI search.
On-page SEO
Title TagMeta DescriptionHeading Tags (H1–H6)Keyword DensityAlt TextInternal LinkingAnchor TextThin ContentDuplicate ContentCanonical TagNoindexRobots Meta TagStructured DataBreadcrumbsLSI KeywordsPage SpeedAbove the FoldContent LengthReadability ScoreSemantic SEOEntity SEOTopical AuthorityContent ClusterPillar PageHub and Spoke ModelKeyword CannibalizationKeyword StuffingCloakingDoorway PagesContent Freshness
Technical SEO
Crawl BudgetXML SitemapRobots.txtCore Web VitalsLargest Contentful Paint (LCP)Cumulative Layout Shift (CLS)Interaction to Next Paint (INP)Time to First Byte (TTFB)Mobile-First IndexingHTTPSMixed ContentRedirect Chain301 Redirect302 Redirect404 ErrorSoft 404Crawl ErrorIndex CoverageHreflangPaginationFaceted NavigationJavaScript SEOServer-Side Rendering (SSR)Lazy LoadingContent Delivery Network (CDN)HTTP/2GZIP CompressionRich SnippetsSite ArchitectureImage Optimization
Off-page SEO
BacklinkDomain AuthorityPage AuthorityLink JuiceNofollow LinkDofollow LinkLink BuildingGuest PostingEditorial LinkToxic LinkLink DisavowAnchor Text DiversityReferring DomainLink VelocityLink ProfileCo-CitationCo-OccurrenceBrand MentionPress Release SEOHARO (Help a Reporter Out)Digital PRBroken Link BuildingResource Page Link BuildingSkyscraper TechniqueTiered Link Building
Content Marketing
Content BriefContent GapContent AuditContent DecayContent RefreshBuyer PersonaSearch IntentInformational IntentCommercial IntentTransactional IntentNavigational IntentTop of Funnel (TOFU)Middle of Funnel (MOFU)Bottom of Funnel (BOFU)Evergreen ContentContent CalendarEditorial CalendarContent RepurposingFAQs (Frequently Asked Questions)Featured SnippetAnswer BoxKnowledge PanelPeople Also Ask (PAA)Zero-Click SearchContent Score
Analytics & Measurement
Organic TrafficClick-Through Rate (CTR)Bounce RateDwell TimePages Per SessionConversion RateAttributionAssisted ConversionImpressionsAverage PositionGoogle Search ConsoleGoogle AnalyticsUTM ParametersRank TrackingShare of VoiceKeyword RankingSERP FeaturesTraffic ValueROI (Return on Investment)Keyword Opportunity
Local SEO
Google Business ProfileNAP (Name, Address, Phone)Local CitationLocal PackMap PackReview SignalsLocal SchemaService Area Business (SAB)Geo-TargetingLocal KeywordNear Me SearchGoogle Maps SEOLocal BacklinkLocal ContentReview ManagementBusiness CategoryLocal SEO AuditProximity FactorRelevance FactorProminence Factor
E-commerce SEO
Product SchemaReview SchemaBreadcrumb SchemaCategory Page SEOFaceted Navigation (E-commerce)Product Description SEOOut-of-Stock Page SEOCanonical Tags for Product VariantsInternal Search SEOShopping FeedPrice SchemaAvailability SchemaProduct Image SEOUser-Generated Content (UGC)Q&A SchemaGoogle Merchant CenterComparison Shopping Service (CSS)Product Page Title TagCollection PagePagination SEO
AI & GEO
Generative Engine Optimization (GEO)AI Search EngineLarge Language Model (LLM)Retrieval-Augmented Generation (RAG)Entity (SEO)Knowledge GraphE-E-A-TExpertise (E-E-A-T)Authoritativeness (E-E-A-T)Trustworthiness (E-E-A-T)Experience (E-E-A-T)YMYL (Your Money or Your Life)Search Generative Experience (SGE)AI OverviewCitation in AI SearchPerplexity SEOChatGPT SEOGemini / Bard SEOConversational SearchVoice Search SEOSemantic SearchNLP SEOBERT (Google Algorithm)RankBrainMUM (Multitask Unified Model)Passage RankingSite ReputationAuthor SchemaAbout Page SEOContact Page SEO