A structured, entity-first index of what SearchEngines.Net knows, published per the EntityMap v1.0 specification for consumption by AI agents, large language models, and RAG pipelines. Where sitemap.xml lists pages, this file declares entities, evidence, and relations.
The link-analysis algorithm published by Larry Page and Sergey Brin in 1998 that ranks pages by the quantity and quality of links pointing to them, foundational to Google's original ranking system.
sameAs: https://en.wikipedia.org/wiki/PageRank
“PageRank's insight was to treat every hyperlink as a vote of confidence: a link from page A to page B counted as A vouching for B's relevance or quality, weighted by the authority of the linking page itself.” Google and PageRank (1998–2000s) | History of Search Engines — published by SearchEngines.Net
“The link-analysis algorithm developed by Larry Page and Sergey Brin, published in 1998, that scores a page's importance based on the quantity and quality of links pointing to it.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
The automated process by which a search engine's bots discover pages by following links, prior to indexing.
sameAs: https://en.wikipedia.org/wiki/Web_crawler
Canonical label: Web Crawler
“The process by which a search engine's automated bots (crawlers or spiders) discover pages by following links, before those pages can be indexed and ranked.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
“WebCrawler, launched in 1994 by Brian Pinkerton, was the first search engine to index the full text of web pages rather than just their titles or URLs.” Origins: Before the Web Had an Index | History of Search Engines — published by SearchEngines.Net
The full page of results returned for a search query, composed today of paid ads, organic listings, AI Overviews, featured snippets, and other specialized result types.
sameAs: https://en.wikipedia.org/wiki/Search_engine_results_page
Canonical label: SERP
“The full page of results returned for a query, now typically composed of paid ads, organic listings, AI Overviews, featured snippets, local packs, and other specialized result types rather than a simple list of ten blue links.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
The discipline of improving a website's visibility in organic search results through technical, content, and authority-building practices.
sameAs: https://en.wikipedia.org/wiki/Search_engine_optimization
“For more than 25 years, Bill has advised organizations ranging from startups to Fortune 500 companies on technical SEO (Search Engine Optimization), website and domain migrations, search engine marketing, domain name strategy, and domain security and recovery.” About SearchEngines.Net — published by SearchEngines.Net
“The discipline of ensuring a website can be properly crawled, indexed, and ranked — covering site architecture, crawl optimization, canonicalization, structured data, Core Web Vitals, and JavaScript rendering, among other factors.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
A text file at a website's root that instructs search engine crawlers which sections of the site they may or may not crawl.
sameAs: https://en.wikipedia.org/wiki/Robots.txt
“A text file at a site's root directory that instructs search engine crawlers which sections of a site they may or may not crawl. It controls crawling, not indexing.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
A file listing a site's important URLs, submitted to search engines to aid discovery and crawling.
sameAs: https://en.wikipedia.org/wiki/Sitemaps
Canonical label: Sitemap
“A file listing a site's important URLs, submitted to search engines to aid discovery and crawling, particularly useful for large sites or pages with few internal links pointing to them.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
ICANN's policy for resolving domain name disputes involving bad-faith registration or trademark violation.
sameAs: https://en.wikipedia.org/wiki/Uniform_Domain-Name_Dispute-Resolution_Policy
Canonical label: UDRP
“ICANN's policy for resolving disputes over domain names registered in bad faith or in violation of trademark rights, adjudicated by approved dispute-resolution providers rather than the courts in most cases.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
The public lookup protocol for domain registration records.
sameAs: https://en.wikipedia.org/wiki/WHOIS
“The public lookup protocol for domain registration records, historically used to identify a domain's registrant, though privacy services and GDPR-driven redaction have significantly limited the ownership detail publicly visible today.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
Google's AI-generated summary shown above traditional organic results, synthesizing information from multiple sources into one answer.
“Google's AI-generated summary that appears above traditional organic results for many queries, synthesizing information from multiple sources into a single answer.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
“Google's AI Overviews — tested publicly as the Search Generative Experience (SGE) before its wider rollout — now surface AI-written summaries directly above traditional organic results for a large share of queries.” The AI Search Era (2020s–Today) | History of Search Engines — published by SearchEngines.Net
A search query fully answered on the results page itself, generating no visit to any source website.
“A search query that is fully answered on the results page itself — via a featured snippet, knowledge panel, or AI Overview — without the user clicking through to any website.” Glossary of Search Engine Terms | SearchEngines.Net — published by SearchEngines.Net
The dominant global search engine, holding roughly 91% of worldwide search referral share as of June 2026.
sameAs: https://en.wikipedia.org/wiki/Google_Search
“Google has held the largest share of global search since the early 2000s, built originally on the PageRank link-analysis algorithm and now incorporating machine learning throughout its ranking systems.” Major & Global Search Engines | Directory | SearchEngines.Net — published by SearchEngines.Net
“Google: 91.27% of global search market share, worldwide all devices, as of June 2026 (StatCounter Global Stats).” Search Engine Market Share (2026) | Directory | SearchEngines.Net — published by SearchEngines.Net
Microsoft's search engine, holding a distant but durable second place globally and integrated with the Copilot AI assistant.
sameAs: https://en.wikipedia.org/wiki/Microsoft_Bing
“Microsoft's search engine holds a distant but durable second place globally, aided substantially by being the default search engine in Windows and the Edge browser.” Major & Global Search Engines | Directory | SearchEngines.Net — published by SearchEngines.Net
The best-known privacy-focused search engine, built around a strict no-tracking, no-search-history policy.
sameAs: https://en.wikipedia.org/wiki/DuckDuckGo
“The best-known privacy-focused search engine, combining its own crawler with licensed results from other sources, and built around a strict no-tracking, no-search-history policy from the outset.” Privacy-Focused Search Engines | Directory | SearchEngines.Net — published by SearchEngines.Net
An AI-native answer engine built around conversational, cited responses rather than a ranked list of links.
sameAs: https://en.wikipedia.org/wiki/Perplexity_AI
“An "answer engine" built around conversational, cited AI responses assembled from multiple retrieved sources rather than a ranked list of links, widely regarded as the pace-setter for AI-native search.” AI-Native Search Engines | Directory | SearchEngines.Net — published by SearchEngines.Net
Founder of Hartzer Consulting and DNAccess; technical SEO, domain migration, and domain name consultant with more than 25 years of experience; author and maintainer of SearchEngines.Net.
“This site is written and maintained by Bill Hartzer, founder of Hartzer Consulting and DNAccess. For more than 25 years, Bill has advised organizations ranging from startups to Fortune 500 companies on technical SEO, website and domain migrations, search engine marketing, domain name strategy, and domain security and recovery.” About SearchEngines.Net — published by SearchEngines.Net
SEO, digital marketing, and domain name consulting firm founded by Bill Hartzer, offering technical SEO audits, migration planning, and expert witness services.
“For consulting inquiries, technical SEO audits, website or domain migration planning, or expert witness engagements, visit Hartzer Consulting.” About SearchEngines.Net — published by SearchEngines.Net
Domain name security, recovery, and portfolio management firm founded by Bill Hartzer.
“For domain name security, recovery, and portfolio management, visit DNAccess.” About SearchEngines.Net — published by SearchEngines.Net
The percentage of worldwide search referral volume held by each search engine, tracked monthly by StatCounter Global Stats and reported on SearchEngines.Net.
“Google alone accounts for the overwhelming majority of global search volume, with every other engine in this directory splitting a small remainder.” Search Engine Market Share (2026) | Directory | SearchEngines.Net — published by SearchEngines.Net