SEO Glossary - AI Glossary - Terms & Definitions Simplified
Google Logo
Clutch Logo
G2 Logo
Expertise Logo
Trustpilot logo
Google Logo Clutch Logo G2 Logo Expertise Logo Trustpilot logo
Table of Contents (SEO)
A Table of Contents (ToC) is an on-page navigation element, typically placed near the top of a long-form article, containing anchor links that allow users to jump directly to specific sections of the page.
Thin Content
Thin content refers to webpages that provide little or no original, valuable information to the user.
Thought Leadership
Thought leadership is the strategic publication of highly authoritative, original, and often contrarian content that positions a brand or executive as the definitive, visionary expert within their industry.
Time on Page
Time on page is a highly specific engagement metric that measures the exact amount of time a user spends actively viewing a single, specific URL before navigating to another page on the same website or exiting entirely.
Time to First Byte (TTFB)
Time to First Byte (TTFB) is the exact measurement of the delay between a browser requesting a webpage and receiving the very first byte of data from the server.
Top Stories
Top Stories is the highly prominent, dynamically updated carousel of breaking news articles, journalistic reports, and live coverage that appears at the absolute top of the SERP for newsworthy or trending queries.
Topic Authority
Topic authority (or topical authority) is the algorithmic measurement of how deeply and comprehensively a website covers a specific subject area, establishing it as the definitive, trusted resource in the eyes of search engines.
Topic Authority (Google)
Topic Authority is a specific algorithmic system, officially confirmed by Google in 2023, designed to determine the most expert, authoritative sources for news and informational queries within a specific subject area.
Topic Cluster
A topic cluster is an advanced site architecture and content strategy where a single, comprehensive "pillar page" covers a broad subject (e.g., "SEO Strategy"), and is systematically linked to dozens of highly specific "cluster pages" that cover subtopics in extreme detail (e.g., "Keyword Research," "Technical SEO," "Link Building").
Topical Authority
Topical authority is the measure of a website's perceived expertise and comprehensiveness on a specific subject, as determined by search engine algorithms.
Topical Coverage
Topical coverage refers to the extent and depth to which a website addresses all relevant subtopics, entities, and questions related to a primary subject area.
Topical Depth
Topical depth is the measure of how comprehensively and exhaustively an individual webpage covers a specific subject, rather than just the sheer number of words it contains.
Topical Depth (AI)
Topical Depth is the algorithmic measurement of how comprehensively and exhaustively a specific webpage or domain covers a single, overarching subject (entity) and all of its semantically related subtopics.
Toxic Backlinks
Toxic backlinks are highly manipulative, low-quality inbound links pointing to a domain, typically originating from link farms, private blog networks (PBNs), hacked websites, or massive automated comment spam campaigns.
Traffic (Organic vs. Paid)
Traffic is the lifeblood of any digital business, categorized primarily into two distinct channels: Organic and Paid.
Training Data
Training Data refers to the massive, multi-terabyte datasets of text-comprising books, Wikipedia articles, Reddit threads, news publications, and scraped websites, that are fed into a neural network to teach a Large Language Model (like GPT-4) how to understand language and synthesize facts.
Transactional Keyword
A transactional keyword is a search query that explicitly indicates the user is at the absolute bottom of the purchasing funnel and is ready to buy a product, hire a service, or complete a specific action immediately.
Trending Keywords
Trending keywords are search queries that experience a sudden, massive, and often temporary spike in search volume due to breaking news, cultural events, viral social media trends, or sudden industry shifts.
Triple (Subject-Predicate-Object)
A Triple (Subject-Predicate-Object) is the fundamental, standardized data structure used to build a Knowledge Graph and establish semantic relationships between distinct entities.
Trust Flow
Trust Flow is a proprietary metric developed by the SEO software company Majestic that measures the perceived trustworthiness and quality of a website's backlink profile on a scale from 0 to 100.
Twitter Cards
Twitter Cards are a specific set of meta tags that allow webmasters to attach rich media experiences (images, videos, and summaries) to tweets that link to their content.