A complete SEO glossary covering technical SEO, on-page, off-page, local SEO, and the new AI search terms (GEO, AEO, LLMO, AI Overviews). Clear definitions with practical context for each term.
Last updated: March 2026 · Reading time: 22 min
“Most SEO glossaries stop at 2022 terminology. If your vocabulary doesn’t include GEO, AEO, and entity optimization, you’re working with an outdated map. This glossary covers the full territory.” Hardik Shah, Founder of ScaleGrowth.Digital
The practice of structuring your content so AI-powered search engines and voice assistants can extract direct answers from your pages.AEO requires concise, factual paragraphs that directly answer common questions. Your content needs to be independently extractable. Each section should begin with a clear answer in the first 2-3 sentences, followed by supporting detail. FAQ schema, definition blocks, and structured data all support AEO. The goal: when someone asks an AI assistant a question in your space, your content is the source it pulls from.
An AI-powered search approach where autonomous agents conduct multi-step research, synthesizing information across multiple sources to provide comprehensive answers.Agentic search goes beyond simple query-response. The AI agent breaks a complex question into sub-tasks, searches multiple sources, cross-references findings, and presents a synthesized answer. Google’s AI Mode and tools like Perplexity use agentic search patterns. For SEOs, this means your content needs to be thorough enough to survive multi-source synthesis, not just keyword-optimized for a single query.
AI-generated summaries displayed at the top of Google search results, synthesizing information from multiple web sources.AI Overviews (formerly called SGE) launched for all US users in May 2024. They appear more frequently for informational and comparison queries. When an AI Overview appears, organic results shift down the page, reducing click-through rates for positions #1-3 by an estimated 25-30%. However, being cited in an AI Overview sends strong brand signals. Optimizing for AI Overviews requires clear entity definitions, authoritative content, and structured data.
A metric measuring how often your brand or content is cited, mentioned, or recommended in AI-generated search responses.AI visibility tools like Ottimo, Profound, and BrightEdge track how frequently AI systems reference your brand across a set of target queries. This is an emerging metric for 2025-2026, analogous to traditional “share of voice” but for AI-generated results. A brand with high organic rankings can have low AI visibility, and vice versa.
Descriptive text attached to an image in HTML that helps search engines and screen readers understand the image content.Alt text is a direct ranking signal for Google Images. Write alt text that describes the image accurately: “chart showing organic traffic growth from 10K to 45K monthly sessions over 12 months.” Don’t stuff keywords. Don’t use “image of” or “picture of” as prefixes.
The clickable text in a hyperlink, used by search engines to understand the topic of the linked page.Anchor text types: exact match (“SEO checklist”), partial match (“complete checklist for SEO”), branded (“ScaleGrowth.Digital”), generic (“click here”), and naked URL (“scalegrowth.digital/resources”). A natural backlink profile has a mix of all types. Over-optimizing anchor text with exact-match keywords is a known penalty trigger (Google Penguin).
A link from an external website to your website, treated by search engines as a vote of confidence and authority.Backlinks remain one of Google’s top 3 ranking factors. Quality matters far more than quantity. One link from a DR 80+ site in your industry outweighs 100 links from low-authority directories. Evaluate backlinks using metrics like referring domain authority, relevance, anchor text, and whether the link is dofollow. Check our SEO checklist for the full backlink audit process.
SEO techniques that violate search engine guidelines to manipulate rankings, carrying the risk of penalties and deindexation.Black hat tactics include cloaking, hidden text, link schemes, keyword stuffing, and doorway pages. Google’s manual actions team and algorithmic updates (Penguin, Panda, SpamBrain) target these practices. The risk isn’t theoretical. Sites hit with manual actions can lose 90%+ of their organic traffic overnight.
In GA4, the percentage of sessions where a user left without any engagement (under 10 seconds, single page view, zero events).GA4 redefined bounce rate as the inverse of engagement rate, which is more useful than the old Universal Analytics definition. A “bounced” session in GA4 means the user spent less than 10 seconds, viewed only one page, and triggered no events. Average bounce rates: e-commerce 20-45%, B2B sites 25-55%, blogs 65-90% (CXL, 2024).
A secondary navigation element that shows the user’s location within a site hierarchy, e.g., Home > Resources > SEO > SEO Glossary.Breadcrumbs improve user navigation, reduce pogo-sticking, and give Google additional context about your site structure. Add BreadcrumbList schema markup to your breadcrumbs so they appear in search results. Google displays breadcrumbs in SERPs for roughly 30% of results that have the markup.
An HTML element (rel=”canonical”) that tells search engines which URL is the preferred version of a page when multiple URLs serve similar or identical content.Canonical tags prevent duplicate content issues. Common scenarios: www vs non-www, HTTP vs HTTPS, URL parameters, pagination, and syndicated content. Every indexable page should have a self-referencing canonical tag. Canonical mismatches are the #1 technical SEO issue we find in audits at ScaleGrowth.Digital, affecting nearly 40% of sites.
Any online mention of your business name, address, and phone number (NAP), typically on directories, social profiles, and review sites.Consistent citations across the web are a ranking factor for local search. Inconsistent NAP data (different phone numbers, old addresses) confuses Google and suppresses local rankings. Audit your citations on Google Business Profile, Yelp, Apple Maps, Facebook, Bing Places, and industry-specific directories.
The number of clicks required to reach a page from the homepage.Google recommends that important pages be reachable within 3 clicks from the homepage. Pages buried 4+ clicks deep get crawled less frequently and carry less authority. A flat site architecture with strong internal linking keeps click depth low for your most important content.
Showing search engine crawlers different content than what human visitors see, a black-hat technique that violates Google’s Webmaster Guidelines.Google specifically lists cloaking as a violation that can result in a manual action. There’s no grey area. Dynamic rendering (serving pre-rendered HTML to bots while serving JavaScript to users) is not cloaking as long as the content is identical. Check Google’s guidelines if you’re unsure.
A broad algorithmic update that Google rolls out several times a year, re-evaluating the quality and relevance of content across the entire index.Core updates can cause significant ranking shifts. Google typically confirms core updates via @GoogleSearchCentral on X. Recovery from a core update requires improving content quality, E-E-A-T signals, and user experience. There’s no single fix. Google releases 3-4 core updates per year, plus numerous smaller updates.
Three Google metrics that measure the loading speed (LCP), interactivity (INP), and visual stability (CLS) of a webpage.The current Core Web Vitals are: LCP (Largest Contentful Paint) under 2.5 seconds, INP (Interaction to Next Paint) under 200 milliseconds, and CLS (Cumulative Layout Shift) under 0.1. INP replaced FID (First Input Delay) in March 2024. Core Web Vitals are a confirmed ranking factor, though content relevance still outweighs page speed in most cases.
The number of pages a search engine will crawl on your site within a given time period.For sites under 10,000 pages, crawl budget is rarely an issue. For large sites (100K+ pages), crawl budget optimization becomes critical. Block low-value pages (faceted navigation, search result pages, session IDs) in robots.txt. Prioritize crawl budget for your highest-value content. Google’s John Mueller has confirmed that crawl budget management matters primarily for very large sites.
The ability of search engine bots to access and read the content on your website.If a page can’t be crawled, it can’t be indexed, and it won’t rank. Common crawlability blockers: robots.txt rules, JavaScript-dependent content, server errors (5xx), login-required pages, and slow server response times. Run a crawl with Screaming Frog or Sitebulb to identify crawlability issues on your site.
A file submitted through Google Search Console that tells Google to ignore specific backlinks when evaluating your site.Disavowing links is a last resort. Use it only when you’ve received a manual action for unnatural links, or when you have clear evidence of a negative SEO attack with spammy links. Google’s John Mueller has said that disavowing is unnecessary for most sites, as Google’s algorithms are good at ignoring spammy links on their own.
Third-party metrics (DA from Moz, DR from Ahrefs) that score a domain’s authority on a 0-100 scale based on its backlink profile.Neither DA nor DR is a Google ranking factor. They’re useful for comparing relative strength between competing domains and evaluating link-building targets. A DR 60 site linking to you is generally more valuable than a DR 15 site. But relevance and topical authority matter just as much as raw domain strength.
Substantially similar content appearing on multiple URLs, either within the same site or across different sites.Google doesn’t have a “duplicate content penalty” in the traditional sense. Instead, it consolidates duplicate pages and only indexes one version. The problem: Google might choose the wrong version, or dilute ranking signals across multiple URLs. Fix duplicates with canonical tags, 301 redirects, or by consolidating content into a single, stronger page.
Google’s framework for evaluating content quality, with “Experience” added in December 2022 to emphasize first-hand knowledge.E-E-A-T is not a direct ranking factor you can set in a meta tag. It’s a set of quality signals that Google’s algorithms and human quality raters evaluate. Demonstrate E-E-A-T through: author bios with verifiable credentials, cited sources, original research, case studies, and real-world experience markers. YMYL content (health, finance, legal) faces stricter E-E-A-T scrutiny.
A uniquely identifiable person, place, thing, or concept that search engines recognize and store in their knowledge graph.Google’s Knowledge Graph contains over 500 billion facts about 5 billion entities (Google, 2020). When Google recognizes your brand as an entity, it can connect your website, social profiles, reviews, and mentions into a unified understanding. Entity SEO involves establishing clear, consistent information about your brand across the web. This is also critical for GEO, since AI systems rely heavily on entity recognition to generate answers.
A hyperlink from your website to a different domain.External links to authoritative sources help Google understand your content’s context and build trust. Linking to high-quality references (studies, original data, industry reports) is a positive E-E-A-T signal. Don’t hoard PageRank by avoiding external links. A page that cites its sources is more trustworthy than one that doesn’t.
A highlighted search result that appears above the #1 organic position, displaying a direct answer extracted from a webpage.Featured snippets come in four formats: paragraph (most common), list, table, and video. To win a featured snippet, provide a clear, concise answer (40-60 words for paragraphs) immediately after the H2 question heading. Pages that already rank in the top 10 are eligible for featured snippets. Winning a featured snippet can increase CTR by 8-20%.
A Google Search Console feature (now called “URL Inspection”) that shows how Google crawls and renders a specific URL.Use URL Inspection to check if Google can see your page content, identify JavaScript rendering issues, and request indexing for new or updated pages. If Google’s rendered version of your page is different from what users see, you have a rendering problem that will affect rankings.
The practice of optimizing content so AI search engines (Google AI Overviews, ChatGPT, Perplexity, Claude) cite, recommend, or mention your brand in their generated responses.GEO is the most significant new SEO discipline of 2025-2026. While traditional SEO focuses on ranking in organic results, GEO focuses on being cited in AI-generated answers. Key GEO tactics: clear entity definitions in the opening paragraph, structured data markup, authoritative sourcing, comprehensive coverage of a topic, and content formatted for extraction (definition blocks, bullet lists, tables). According to Searchable (2026), 47% of brands still lack a GEO strategy. See our SEO practice for how we approach GEO alongside traditional SEO.
A free Google listing that controls how your business appears in Google Search and Maps, including hours, reviews, photos, and contact info.For local businesses, GBP is the most important SEO asset you have. Complete profiles get 7x more clicks than empty ones (Google, 2023). Post weekly updates, respond to every review, add photos monthly, and ensure your categories are accurate. GBP is also the primary data source for local pack rankings (the 3-pack of local results).
A free Google tool that shows how your site performs in Google Search, including impressions, clicks, indexation status, and technical issues.Every SEO practitioner should check GSC weekly. Key reports: Performance (which queries drive traffic), Coverage/Pages (indexation issues), Core Web Vitals (speed metrics), and Links (backlink data). GSC data is the only first-party Google search data you can get. Tools like Ahrefs and SEMrush estimate search data. GSC shows the real numbers.
HTML heading elements that define the hierarchical structure of content on a page, from H1 (most important) to H6 (least).Use one H1 per page. Nest headings logically: H2 under H1, H3 under H2. Don’t skip levels (H1 directly to H3). Google uses header structure to understand content hierarchy and extract featured snippets. Pages with well-structured headers rank better for long-tail queries because Google can match specific sections to specific user intents.
An HTML attribute that tells search engines which language and geographic region a page is intended for, preventing wrong-language results in SERPs.Hreflang is necessary for sites with content in multiple languages or targeting different countries with similar languages (US English vs UK English, or Spanish for Spain vs Mexico). Implementation is notoriously error-prone. Hreflang tags must be reciprocal (if page A points to page B, page B must point back to page A). Use Screaming Frog or Merkle’s hreflang tag generator to validate.
The secure version of HTTP, encrypting data between the browser and server using SSL/TLS certificates.HTTPS has been a confirmed Google ranking signal since 2014. Over 95% of page-one results now use HTTPS (Ahrefs, 2024). If your site isn’t on HTTPS, that’s a P1 fix. Mixed content warnings (loading HTTP resources on an HTTPS page) also hurt both security and rankings.
When a site has too many low-quality or duplicate pages in Google’s index, diluting crawl budget and ranking authority.Common causes: auto-generated tag/category pages, paginated archives, URL parameter variations, and thin content pages. Check your indexed page count in Google Search Console (site:yourdomain.com). If the indexed count is significantly higher than the number of pages you intentionally created, you have index bloat. Fix it with noindex tags, canonical tags, or robots.txt rules.
Whether a page can be stored in Google’s index and appear in search results.A page is non-indexable if it has a noindex meta tag, is blocked by robots.txt, returns a 4xx/5xx error, or is canonicalized to another URL. Not every page should be indexable. Blog tag pages, internal search results, and thin archive pages are often better left non-indexed to protect your crawl budget and site quality signals.
Links from one page on your site to another page on the same site.Internal links distribute authority (PageRank) across your site and help Google discover and understand the relationship between pages. Best practices: use descriptive anchor text (not “click here”), link from high-authority pages to important target pages, and ensure every important page has at least 3-5 internal links pointing to it. Our on-page SEO checklist includes a full internal linking audit.
The practice of ensuring that content rendered via JavaScript is fully crawlable, indexable, and visible to search engines.Googlebot can render JavaScript, but it does so in a separate, delayed crawl wave. Critical content that relies on client-side JavaScript may not be indexed for hours or days. Server-side rendering (SSR) or static pre-rendering solves this. If you’re using React, Angular, or Vue for content pages, test with Google’s URL Inspection tool to verify what Googlebot actually sees.
A word or phrase that a user enters into a search engine, and that SEO practitioners target to attract organic traffic.Keywords are classified by intent: informational (“what is SEO”), navigational (“Ahrefs login”), commercial (“best SEO tools 2026”), and transactional (“buy Ahrefs subscription”). Long-tail keywords (3+ words) make up 70% of all searches and convert at higher rates because they indicate specific intent.
When multiple pages on your site compete for the same keyword, splitting ranking signals and preventing any single page from ranking well.Cannibalization happens when you create multiple blog posts targeting the same topic. Google doesn’t know which page to rank, so none of them rank well. Diagnose it by searching “site:yourdomain.com [keyword]” and seeing if multiple pages appear. Fix it by consolidating content into one definitive page and redirecting the others.
A score (0-100) estimating how difficult it would be to rank on the first page of Google for a given keyword.KD calculations vary by tool. Ahrefs primarily considers the backlink profiles of top-ranking pages. SEMrush considers a broader set of factors. Neither is perfectly accurate. Use KD as a relative guide, not an absolute truth. A new site (DR under 20) should target keywords with KD under 30. An established site (DR 50+) can compete at KD 50-60.
The process of finding and analyzing search terms that people enter into search engines, to inform content strategy and SEO targeting.Keyword research tools include Ahrefs, SEMrush, Google Keyword Planner, and Ubersuggest. Good keyword research goes beyond volume. Consider intent, difficulty, SERP features, and business relevance. A 1,000 MSV keyword with high purchase intent is more valuable than a 50,000 MSV keyword with informational intent if you’re trying to drive revenue. Use our keyword research template for a structured approach.
The process of acquiring backlinks from external websites to improve your site’s authority and search rankings.Effective link building tactics in 2026: digital PR (getting mentioned in news articles), original research (data that others cite), broken link building (finding dead links and suggesting your content as a replacement), and resource page outreach. Buying links violates Google’s guidelines and risks a manual action. Focus on earning links through valuable content.
The ranking authority that a link passes from one page to another.Link equity flows through dofollow links. It’s influenced by the linking page’s authority, relevance, number of outgoing links, and placement on the page. A link in the main content carries more equity than a link in the footer. Each redirect hop loses approximately 10-15% of link equity (Moz, 2022).
Optimizing how large language models like ChatGPT, Claude, and Gemini understand, represent, and recommend your brand in their responses.LLMO is distinct from GEO. GEO targets AI-integrated search results. LLMO targets direct conversations with AI chatbots. When someone asks ChatGPT “what’s the best SEO tool?”, the answer comes from the model’s training data and real-time retrieval. LLMO tactics include maintaining a strong, consistent entity presence across authoritative sources, earning citations on trusted domains, and ensuring your brand information is accurate across Wikipedia, Crunchbase, and industry publications.
The block of 3 local business listings that appears in Google search results for location-based queries, showing a map and business details.The local pack appears for queries like “dentist near me” or “coffee shop [city name].” Ranking in the local pack depends on: Google Business Profile completeness, review quantity and quality, NAP consistency across citations, proximity to the searcher, and relevance of your primary category. The local pack gets clicked 42% of the time on local-intent queries (BrightLocal, 2024).
Examining server access logs to understand how search engine bots crawl your website.Log file analysis reveals which pages Googlebot crawls most frequently, how crawl budget is allocated, and whether important pages are being missed. Tools like Screaming Frog Log Analyzer and JetOctopus parse raw log files into usable reports. For large sites (100K+ pages), log file analysis is essential for diagnosing crawl issues that Search Console won’t show you.
A penalty applied to your site by a human reviewer at Google for violating Webmaster Guidelines.Manual actions show up in Google Search Console under “Security & Manual Actions.” Common causes: unnatural links (buying or selling links), thin content, cloaking, and structured data spam. Recovering from a manual action requires fixing the issue, documenting the changes, and submitting a reconsideration request. Recovery typically takes 2-4 weeks after submission.
An HTML element that instructs search engine crawlers on how to handle a page (index/noindex, follow/nofollow).Common directives: “index, follow” (default, crawl and rank this page), “noindex, follow” (don’t rank but follow links on the page), “noindex, nofollow” (don’t rank and don’t follow links). Use noindex for pages you don’t want appearing in search results: thank-you pages, staging environments, internal tools.
Google’s approach of using the mobile version of your website as the primary version for crawling, indexing, and ranking.Since March 2021, Google uses mobile-first indexing for 100% of sites. This means if your content is hidden on mobile (behind tabs, accordions, or not visible in mobile view), Google may not index it. Ensure content parity between mobile and desktop versions. Test with Google’s Mobile-Friendly Test tool.
A link attribute (rel=”nofollow”) that tells search engines not to pass ranking authority through the link.Since 2020, Google treats nofollow as a “hint” rather than a directive. Google may choose to crawl and credit nofollow links if it deems them relevant. Related attributes: rel=”sponsored” (for paid/affiliate links) and rel=”ugc” (for user-generated content like comments and forum posts).
The three core pieces of business information that must be consistent across all online listings for local SEO.NAP consistency is a direct local ranking factor. If your Google Business Profile says “123 Main St” but Yelp says “123 Main Street,” that’s an inconsistency. Audit your NAP across all directories quarterly. Use a tool like BrightLocal or Whitespark to identify and fix inconsistencies.
The percentage of users who click your organic search result after seeing it in the SERP.Average organic CTR for position #1 is 27.6%, dropping to 15.8% for position #2 and 11.0% for position #3 (FirstPageSage, 2024). CTR is influenced by your title tag, meta description, URL structure, schema markup (rich snippets), and the presence of SERP features like AI Overviews or featured snippets above your result.
A page on your site that has no internal links pointing to it, making it difficult for search engines and users to discover.Orphan pages receive minimal crawl attention and carry little authority. They’re a common problem on large sites with old content. Find orphan pages by comparing your sitemap URLs against a crawl of your internal links. Either link to them from relevant pages or noindex/remove them if they’re no longer valuable.
How quickly a webpage loads and becomes interactive, measured by metrics like LCP, TTFB, and Total Blocking Time.53% of mobile visitors leave a site that takes over 3 seconds to load (Google, 2023). Measure page speed with Google’s PageSpeed Insights, which provides both lab data (Lighthouse) and field data (CrUX). Common speed optimizations: compress images (use WebP), defer non-critical JavaScript, use a CDN, enable browser caching, and reduce server response time (TTFB under 200ms).
Google’s original algorithm that scores pages (0-10) based on the quantity and quality of links pointing to them.Google stopped publicly reporting PageRank scores in 2016, but the underlying algorithm is still part of Google’s ranking system. PageRank flows through internal and external dofollow links. Understanding PageRank helps you structure internal linking: link from your high-authority pages (homepage, popular blog posts) to the pages you most want to rank.
When a user clicks a search result, quickly returns to the SERP, and clicks a different result, signaling that the first result didn’t satisfy their query.Google has denied using pogo-sticking as a direct ranking signal, but patterns of user dissatisfaction are factored into their quality evaluation systems. Reduce pogo-sticking by answering the query immediately (lead with the answer), matching search intent accurately, and keeping above-the-fold content relevant and engaging.
The specific words or phrase a user enters into a search engine.Queries differ from keywords. A “keyword” is what you optimize for. A “query” is what the user actually typed. Google Search Console shows you the real queries that triggered impressions for your pages. Analyzing query data reveals intent patterns and content gaps that keyword research tools might miss.
A permanent redirect that sends users and search engines from an old URL to a new URL, passing approximately 90-99% of link equity.Use 301 redirects when you permanently change a URL, merge pages, or migrate domains. A 302 redirect is temporary and should only be used when you plan to bring the original URL back. Redirect chains (A redirects to B, which redirects to C) waste crawl budget and lose link equity at each hop. Keep redirects to a single hop.
A text file at the root of your website that tells search engine crawlers which pages or sections they’re allowed to crawl.Robots.txt is a suggestion, not a mandate. Most legitimate crawlers (Googlebot, Bingbot) respect it. Malicious bots ignore it. Common uses: blocking admin pages, staging environments, internal search results, and faceted navigation parameters. Never use robots.txt to hide pages from Google’s index. If a page is linked externally, Google may still index the URL (without the content) even if robots.txt blocks crawling.
Enhanced search results that display extra information (ratings, prices, FAQs, images) beyond the standard title and description.Rich results are triggered by structured data markup (schema.org). Common rich result types: FAQ, HowTo, Product, Review, Recipe, and Event. Pages with rich results see 20-30% higher click-through rates than standard results (Search Engine Journal, 2024). Test your markup with Google’s Rich Results Test at search.google.com/test/rich-results.
Standardized code (JSON-LD, Microdata, or RDFa) added to HTML that helps search engines understand the meaning of your content.JSON-LD is the recommended format (Google’s preference). Common schema types for SEO: Article, FAQ, HowTo, Product, LocalBusiness, BreadcrumbList, and Organization. Pages with schema are 2.7x more likely to earn rich results (Milestone Research, 2024). Every page on this site uses JSON-LD schema. See our technical SEO checklist for implementation guidance.
The underlying purpose or goal behind a user’s search query.The four types of search intent: informational (learn something), navigational (find a specific site), commercial (compare options), and transactional (buy something). Matching your content to the dominant intent for a keyword is the single most important on-page SEO factor. If the top 10 results for your target keyword are all comparison articles and you’ve written a product page, you won’t rank.
A comprehensive analysis of a website’s search performance, covering technical infrastructure, on-page content, backlink profile, and competitive positioning.A thorough SEO audit evaluates 30-50 dimensions across technical SEO, content quality, link profile, and competitive gaps. It should produce prioritized action items, not just a list of issues. At ScaleGrowth.Digital, our SEO audits cover 35 dimensions and include AI visibility analysis.
Non-standard elements on a search results page beyond the traditional organic listings.SERP features include AI Overviews, featured snippets, People Also Ask boxes, knowledge panels, local packs, image carousels, video results, and shopping ads. Over 60% of Google searches now trigger at least one SERP feature (Semrush, 2024). Understanding which features appear for your target keywords helps you optimize your content format accordingly.
A file listing all URLs you want search engines to crawl and index, submitted through Search Console and Webmaster Tools.Every site should have an XML sitemap. Most CMS platforms generate them automatically. Your sitemap should include only indexable, canonical URLs. Don’t include noindexed pages, redirected URLs, or 404 pages. Keep individual sitemaps under 50,000 URLs and 50MB. For larger sites, use a sitemap index that references multiple sitemaps.
The percentage of total search visibility your brand captures compared to competitors for a defined set of keywords.In traditional SEO, SOV is calculated by your rank positions and estimated traffic share versus competitors. In the AI era, SOV extends to AI visibility. How often does your brand appear in AI Overviews, ChatGPT responses, and Perplexity answers for your target topics? Tracking AI SOV alongside organic SOV gives you the complete picture of your search visibility in 2026.
The practice of optimizing your website’s infrastructure to help search engines crawl, render, index, and rank your pages efficiently.Technical SEO covers site speed (Core Web Vitals), crawlability (robots.txt, sitemaps), indexation (canonical tags, meta robots), mobile-friendliness, HTTPS, structured data, and site architecture. Technical issues are the foundation. If they’re broken, no amount of great content will save your rankings. See our technical SEO checklist for a 15-point audit framework.
Pages with little or no original, valuable content, providing minimal benefit to users.Google’s Panda algorithm specifically targets thin content. Examples: auto-generated pages, doorway pages, pages with only a few sentences and an affiliate link, and scraped content. Every indexable page should provide enough depth and originality to justify its existence in the index. If a page doesn’t, either improve it or noindex it.
The HTML element that defines a page’s title, displayed in browser tabs, search results, and social shares.Title tags are a confirmed Google ranking factor. Best practices: 50-60 characters, primary keyword near the front, unique for every page, and compelling enough to earn the click. Google rewrites title tags about 61% of the time (Zyppy, 2023), especially when they’re too long or don’t match the page content. Write titles for humans first, search engines second.
The depth and breadth of a website’s content coverage on a specific topic, signaling to search engines that the site is a reliable source on that subject.Topical authority is built by creating comprehensive content clusters: a pillar page supported by multiple related articles that interlink. A site with 30 well-linked articles about email marketing has more topical authority on that subject than a site with 2 articles. Google rewards depth. Building topical authority is a long-term SEO strategy that compounds.
The format and organization of a page’s web address, affecting both user experience and search engine understanding.SEO-friendly URL guidelines: lowercase letters, hyphens instead of underscores, no unnecessary parameters, short and descriptive. Good: /resources/seo/seo-glossary/. Bad: /page.php?id=3847&cat=12. URL structure influences both click-through rates (users trust clean URLs) and crawlability.
The specific goal a user has when entering a search query, which determines the type of content Google ranks.User intent is the same concept as “search intent” but emphasizes the human behavior behind the query. Google’s algorithm has become extremely good at understanding intent. If the top results for a keyword are all “how-to” guides, publishing a product page for that keyword won’t work. Always check what Google currently ranks before creating content for a target keyword.
Searching the internet using spoken commands through a voice assistant (Google Assistant, Siri, Alexa).Voice searches tend to be longer and more conversational than typed queries. “What’s the best Italian restaurant near me that’s open right now” versus “Italian restaurant near me.” Voice search optimization overlaps heavily with AEO: provide direct, concise answers that a voice assistant can read aloud. Local businesses benefit most from voice search optimization.
SEO practices that comply with search engine guidelines and focus on creating value for users.White hat SEO includes quality content creation, earning backlinks through outreach and PR, proper technical optimization, and honest structured data implementation. It’s the only sustainable approach. Black hat tactics may produce short-term gains but carry permanent risk. Every technique recommended in our SEO checklist is white hat.
A machine-readable file that lists the URLs on your site you want search engines to crawl, submitted via Google Search Console.XML sitemaps help search engines discover pages, especially new or deeply nested ones. Include only indexable, canonical pages. Exclude noindexed URLs, redirects, and error pages. Update your sitemap whenever you add or remove pages. Maximum: 50,000 URLs or 50MB per sitemap file.
A search where the user’s question is answered directly on the results page without clicking through to any website.SparkToro/Datos (2024) found that approximately 65% of Google searches end without a click to any external website. AI Overviews, featured snippets, knowledge panels, and People Also Ask all contribute to zero-click results. For SEOs, this means brand visibility in the SERP has value even without clicks. Optimize for featured snippets, FAQ rich results, and AI Overview citations to capture brand value from zero-click queries.
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SEO (Search Engine Optimization) focuses on ranking pages in traditional organic search results. GEO (Generative Engine Optimization) focuses on getting your content cited by AI search engines like Google AI Overviews, ChatGPT, and Perplexity. SEO gets you ranked. GEO gets you cited. Both are necessary in 2026.
Start with these 10 terms: keyword, backlink, organic traffic, SERP, title tag, meta description, search intent, Core Web Vitals, internal linking, and indexation. Understanding these gives you enough vocabulary to follow any SEO conversation and start optimizing your own site.
The biggest new SEO terms for 2025-2026 are: GEO (Generative Engine Optimization), AEO (Answer Engine Optimization), AI Overviews (Google’s AI-generated search summaries), LLMO (Large Language Model Optimization), AI Visibility Score, agentic search, entity optimization, and Search Everywhere Optimization. These reflect the shift from optimizing for traditional search results to optimizing for AI-powered discovery.
Yes. Google still processes over 8.5 billion searches per day, and organic results still receive the majority of clicks. AI Overviews appear on roughly 16% of queries (Searchable, 2026), meaning 84% of searches still show traditional results. SEO is evolving, not dying. The best approach for 2026 is to combine traditional SEO with GEO and AEO tactics.
Review SEO terminology every 6-12 months. The field changes quickly, with new algorithm updates, emerging SERP features, and evolving best practices. This glossary is updated quarterly. Bookmark it and check back when you encounter a term you don’t recognize.
ScaleGrowth.Digital’s SEO practice audits 35 dimensions including technical SEO, content quality, backlink health, and AI visibility. We build strategies that work across Google, AI Overviews, and LLM-powered search. Get an SEO Audit →