SEO Glossary - AI Glossary - Terms & Definitions Simplified
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Image Compression
Image compression is the technical process of reducing the file size of an image without noticeably degrading its visual quality.
Image Optimization
Image optimization is the dual process of reducing the file size of visual assets to accelerate page speed, while simultaneously optimizing their metadata to capture traffic from Google Image Search.
Image Pack
An Image Pack is a specialized SERP feature where Google inserts a horizontal row or a grid of related images directly into the standard web search results.
Impression Share
Impression Share is a critical paid search metric that calculates the percentage of times an ad was actually shown out of the total number of times it was eligible to be shown, based on the campaign's targeting and budget.
Impressions
Impressions represent the raw number of times a specific webpage or URL appears anywhere within the Google search results for a user's query, regardless of whether the user actually clicked the link or scrolled down far enough to see it.
Inbound Link
An inbound link (or backlink) is a hyperlink from a third-party website that points directly to a page on your domain.
Inbound Marketing
Inbound marketing is the overarching strategic methodology of attracting potential customers to your brand by creating highly valuable, relevant content and experiences tailored specifically to their needs, rather than aggressively interrupting them with outbound tactics like cold calling or display ads.
Index (Search Index)
A search index is the massive, centralized database where a search engine stores all the data it has collected from crawling the internet.
Index Coverage
Index coverage refers to the comprehensive status report within Google Search Console that details exactly which pages on a domain Google has successfully crawled and stored in its database, and which pages it has rejected.
Indexability
Indexability refers to a search engine's ability to successfully process, understand, and store a webpage in its index after it has been crawled.
Influencer SEO
Influencer SEO is the strategic intersection of social media influencer marketing and traditional search engine optimization.
Informational Keyword
An informational keyword is a search query used by someone seeking answers, education, or background knowledge on a specific topic, rather than looking to make an immediate purchase.
Interaction to Next Paint (INP)
Interaction to Next Paint (INP) is Google's newest Core Web Vitals metric, replacing First Input Delay (FID).
Internal Link
An internal link is a hyperlink that connects one page on a domain to a different page on that exact same domain.
Internal Linking Strategy
An internal linking strategy is the deliberate, data-driven architecture of hyperlinks connecting pages within the same domain to distribute link equity (PageRank) and establish topical relevance.
IP Address
An IP (Internet Protocol) Address is a unique, numerical identifier assigned to every single device and server connected to the internet (e.g., 192.168.1.1).