SEO and growth glossary
C Terms and Definitions
175 plain-English definitions begin with C. Showing page 2 of 5.
C definitions, page 2
- ClaudeBot block
- A robots.txt directive disallowing the ClaudeBot user agent from crawling a site.
- Clean URL
- A URL that is short, human-readable, and free of session IDs or excessive parameters.
- Click
- An interaction in which a user activates a hyperlink or interface element.
- Click depth
- The number of clicks required to reach a page from the homepage or another root location.
- Click gap
- A historical Bing metric estimating the difference between predicted and observed click counts for a query.
- Click loss
- A reduction in clicks for a page or query without a corresponding loss in impressions.
- Click-through from AI
- A click on a citation or link within an AI-generated answer that drives traffic to a source.
- Click-through rate
- The proportion of impressions that result in clicks for a given query, page, or position.
- Click-to-call
- A clickable phone number link that initiates a call from the user's device.
- Click-worthy headline
- A headline crafted to attract clicks while accurately representing the underlying content.
- Client-side redirect
- A redirect performed in the browser using JavaScript or meta refresh, less reliable than a server-side redirect.
- Client-side rendering
- A rendering pattern where content is generated by JavaScript in the browser rather than on the server.
- Cloudflare Worker
- A serverless function running on Cloudflare's edge network, often used for edge SEO transformations.
- CLS
- Cumulative Layout Shift, a Core Web Vitals metric quantifying unexpected visual shifts during page load.
- Cluster content
- Supporting articles in a topic cluster that link up to a central pillar page.
- Cluster page
- A page in a topic cluster covering a specific subtopic in support of a pillar page.
- CNAME record
- A DNS record that aliases one domain name to another canonical name.
- Co-citation
- The pattern of two unrelated sites citing the same source, used as a relevance and authority signal.
- Co-mention
- Multiple mentions of related entities within the same context, signaling topical association.
- Co-occurrence
- The presence of related terms or entities in proximity within text, used in semantic analysis.
- Code block
- A formatted section of code on a page, typically marked up using the pre and code HTML elements.
- Code splitting
- Dividing a JavaScript bundle into smaller files loaded on demand to improve performance.
- Cohort analysis
- Analytical comparison of grouped users defined by a shared starting characteristic such as acquisition week.
- Cold outreach
- Initial unsolicited contact, typically by email, used in link building or sales prospecting.
- Collection page
- An ecommerce page grouping a related set of products into a navigable set.
- Color variant
- A product option representing a different color of the same underlying SKU family.
- Comment link
- A link placed in a blog or forum comment, often nofollow and often considered low quality.
- Commercial intent
- Search intent indicating the user is researching with a view to a future purchase.
- Commercial investigation intent
- A subtype of commercial intent reflecting comparative evaluation before a purchase decision.
- Common Crawl bot
- The web crawler operated by Common Crawl, whose archives are widely used in research and AI training.
- Common Crawl opt-out
- Excluding the CCBot user agent in robots.txt to prevent inclusion in Common Crawl datasets.
- Compare
- A Search Console interface mode allowing comparison of two date ranges, queries, or filters.
- Comparison post
- A long-form article comparing two or more products, services, or approaches.
- Comparison shopping
- Cross-vendor evaluation of products by features and price, often supported by shopping engines.
- Conclusion paragraph
- The closing paragraph of a piece of content, typically summarizing key points or providing a call to action.
- Conditional redirect
- A redirect issued only when specific conditions are met, such as user location or device.
- Connectively
- The successor service to HARO, connecting journalists with expert sources.
- Consent mode
- A Google framework for adjusting tag behavior based on the user's consent state for advertising and analytics.
- Content amplification
- Activities that increase reach and visibility of published content beyond organic discovery.
- Content audit
- A structured inventory and evaluation of an existing content portfolio to inform improvements.