by Stephen James Hall | Oct 6, 2026 | Accessibility, HTML, Information Architecture, Optimization, Retrieval |
Originally published 1/1/2015, rewritten 10/6/2026 A WordPress navigation menu helps people understand your website and find their way through it. Its links also give search engines paths to other pages and context about those destinations. The useful SEO work is...
by lucent | Sep 29, 2026 | Accessibility, Optimization, Retrieval |
“Google found the page” sounds like a clear statement. It may mean only that Google encountered a URL—not that it fetched the page, processed its content, or included that content in its search index. Discovery is awareness of a URL. Indexability is technical...
by lucent | Sep 29, 2026 | Accessibility, HTML, Optimization, Retrieval |
Anchor links, often called jump links, point to a specific location within a webpage rather than only to the page as a whole. They use a URL fragment beginning with a hash symbol, such as #installation, to connect a link with an element carrying the corresponding id....
by lucent | Sep 27, 2026 | Optimization, Retrieval |
Hybrid retrieval combines lexical search, which pays close attention to words and terms, with semantic or vector search, which looks for similarity in meaning. Each method reveals a different part of a corpus. Used together, they can retrieve candidates that either...
by lucent | Sep 25, 2026 | Math, Optimization, Retrieval |
Vector similarity is a way to estimate how closely two numerical representations resemble one another. In search and AI systems, those numerical representations often encode text, images, audio, products, users, or other entities as vectors. When two vectors are near...
by lucent | Sep 20, 2026 | Math, Optimization, Retrieval |
Cosine similarity measures how closely two nonzero vectors point in the same direction. It compares their orientation rather than their length, producing a score between −1 and 1. In text retrieval, those vectors often represent a search query and a passage of text....
