n8n
A workflow-automation tool connecting applications and services. Connection permissions, secrets and error handling need controls, including in self-hosted deployments.
Definition and sourcesKNOWLEDGE / FROM A TO Z
Glossary
Technology, explained clearly. Find a term, choose a letter or narrow the topic. Definitions include sources and their review date.
Terms 17 / 685
Clear filtersNatural language processing
A field of computational language processing, including classification and information extraction. Not every NLP method requires a large language model.
Definition and sourcesNegative SEO
Actions intended to harm another website's visibility, such as link spam. A ranking drop alone proves no attack; investigate evidence and alternative causes.
Definition and sourcesNet Promoter Score
A recommendation-intent metric: percentage of promoters minus percentage of detractors. Survey results do not replace observation of customer behaviour.
Definition and sourcesNetiquette
Guidelines for considerate online communication, respecting context and privacy. Historical guidance should be interpreted for modern channels rather than treated as immutable internet law.
Definition and sourcesNewsletter
A message or series sent to subscribers, usually by email, to inform, teach or present offers. Readers should understand what they subscribe to, how often messages arrive and how to unsubscribe.
Definition and sourcesNext.js
A React framework offering routing and multiple rendering approaches. Rendering and caching choices affect SEO, data freshness and infrastructure cost.
Definition and sourcesNFT
A non-fungible token identified within a system, often linked to metadata or a resource. Buying the token does not automatically transfer image copyright. Link persistence and permissions depend on the specific project.
Definition and sourcesNGINX
A web server and reverse proxy supporting proxying, caching and load balancing. Response performance and privacy depend on configuration.
Definition and sourcesNo-code
Building solutions through configuration and visual tools instead of writing most code. It still needs data modelling, access control and platform-limit assessment.
Definition and sourcesNode.js
A JavaScript runtime outside the browser. Asynchronous operations support I/O handling, but heavy computation can block the main event loop.
Definition and sourcesNofollow
A rel value indicating how search engines should treat a link. Nofollow is a hint, not a reliable indexing block or access control.
Definition and sourcesNoindex directive
A directive asking supporting search engines to exclude a page from indexing. Crawlers must be able to read it; noindex does not secure confidential data.
Definition and sourcesNoSQL
An umbrella term for nonrelational database models, such as documents and key-value stores. It names neither one technology nor an automatic advantage over SQL.
Definition and sourcesnpm
A JavaScript package-registry and tooling ecosystem. Dependencies need version, licence and supply-chain checks; popularity does not guarantee safety.
Definition and sourcesNuxt
A Vue-based framework with routing and multiple rendering models. Server and cache configuration affect production behaviour.
Definition and sourcesNVMe
A communication protocol for nonvolatile storage, often associated with PCIe SSDs. It is an access interface rather than a memory-cell type.
Definition and sources