Key performance indicator
A key measure tied to a specific objective. It needs a definition, data source and evaluation period; not every available metric is a KPI.
Definition and sourcesKNOWLEDGE / FROM A TO Z
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Technology, explained clearly. Find a term, choose a letter or narrow the topic. Definitions include sources and their review date.
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Clear filtersKey visual
A campaign's or brand communication's main visual motif, combining elements such as photography, illustration and typography. It can be adapted across formats. It is not the name of one specific advertising format.
Definition and sourcesKeylogger
Software or hardware recording keystrokes. It can expose passwords and messages; connection encryption does not protect data captured on an infected device.
Definition and sourcesKeyword
A word or phrase describing a query and content topic. Planning should consider intent and audience language, not just exact repetition.
Definition and sourcesKeyword cannibalisation
Similar pages competing for the same search need and splitting signals. Using a phrase on several pages alone does not establish a problem.
Definition and sourcesKeyword clustering
Grouping keywords by topic and intent to plan suitable pages. Similar wording is insufficient when users seek different answers.
Definition and sourcesKeyword density
A phrase's occurrence ratio relative to text length, depending on counting rules. No universal percentage guarantees rankings; meaning and usefulness matter more.
Definition and sourcesKeyword Planner
A Google Ads tool for keyword ideas and campaign forecasts. Ranges and estimates guarantee neither future traffic nor organic rankings.
Definition and sourcesKeyword stuffing
Unnaturally filling a page with keywords to manipulate results. It can involve lists, repetition or hidden text and violates Google's policies.
Definition and sourcesKibana
An analysis and visualisation interface in the Elastic ecosystem. It provides index exploration and dashboards; permissions should restrict sensitive-log access.
Definition and sourcesKnowledge graph
A representation of entities, properties and relationships. In Google it helps interpret real-world objects rather than merely list keywords.
Definition and sourcesKubernetes
A container-application orchestration system managing declared state. It automates operations but needs infrastructure expertise and is not necessary for every project.
Definition and sources