SEO and growth glossary

L Terms and Definitions

98 plain-English definitions begin with L. Showing page 1 of 3.

All L definitions

Lab data: Performance data collected in a controlled testing environment, contrasted with field data.
Landing page: A standalone page designed to receive traffic from a campaign or specific query.
Lang attribute: The HTML lang attribute specifying the language of the document or element.
Language code: A short code identifying a language, typically using ISO 639-1.
Language targeting: Specifying the intended language audience for a site or page.
Language version: A localized variant of a page or site for a specific language.
Language-based redirect: A redirect that sends users to a different URL based on the browser's accepted language.
Large language model: A neural network trained on vast amounts of text and capable of generating human-like language.
Largest Contentful Paint: The Core Web Vitals metric measuring time to render the largest content element in the viewport.
Last click: An attribution model giving full credit to the most recent touchpoint before conversion.
Last updated date: A visible or marked-up date indicating when a piece of content was last revised.
Last-Modified header: An HTTP header indicating when a resource was last modified, used for cache validation.
Last-touch attribution: Another name for last-click attribution, assigning full credit to the final touchpoint.
Lastmod: An XML sitemap element indicating the last modification date of a URL.
Latent semantic indexing: A historical document analysis technique sometimes loosely cited in SEO discussions.
Latitude longitude: The pair of geographic coordinates identifying a precise location.
Layout shift: Visual movement of page content during load, contributing to Cumulative Layout Shift.
Lazy loading: A technique that defers loading of off-screen resources until needed.
LCP: Largest Contentful Paint, the Core Web Vitals metric for loading performance.
Lead: A prospective customer who has expressed interest, typically by submitting a form.
Lead generation: Marketing activity focused on identifying and capturing prospective customer interest.
Lead magnet: A piece of content offered in exchange for contact details, used to generate leads.
Lead magnet content: Content designed primarily as a gated lead magnet asset.
Lifetime value: The total revenue expected from a customer relationship over its duration.
Lighthouse: Google's open-source automated tool for auditing performance, accessibility, and SEO.
Lighthouse score: A Lighthouse-generated score from 0 to 100 across categories such as performance and SEO.
Link audit: A systematic review of a site's backlink profile to identify risks and opportunities.
Link bait: A piece of content created to attract links by being unusually useful, controversial, or shareable.
Link building: The discipline of acquiring backlinks from other websites.
Link depth: The number of clicks from the homepage required to reach a page, equivalent to click depth.
Link diversity: The variety of distinct domains, IPs, and link contexts in a site's backlink profile.
Link earning: The practice of attracting links through content quality and outreach without direct purchase.
Link equity: The ranking value passed through a link, sometimes called link juice.
Link equity flow: The propagation of link equity through internal and external links.
Link exchange: A reciprocal arrangement where two sites link to each other, often considered manipulative at scale.
Link farm: A network of sites built primarily to exchange links and manipulate rankings.
Link graph: The web of links between pages and domains, used by search engines to compute authority.
Link juice: Informal term for the ranking signal value passed through a hyperlink.
Link magnet: A piece of content engineered to attract backlinks, similar to link bait.
Link partner: A site with which another site has a link relationship, formal or informal.