What is a key word)

What is a key word)

[Seo technology] keywords (keyword), as the name implies, are key words. In linguistics, keywords can be described.ArticleEssential words, which are nouns or phrases used in the field of information retrieval to indicate the substantive meaning of a document. Each document should have keywords to determine the topic of the document and distinguish it from other documents through keywords, which is conducive to document retrieval, query, and convenient information exchange and transmission.

• 1 Search engines and keywords
  
• 2 Keywords and query
  
• 3 Seo Problems
• 4. More Seo Basics

Search engines and keywords

Keywords are the basic unit of the search engine index, that is, the term indexed by the search engine. Keywords determine the topic of the page. For the current technology, A document is composed of a bunch of links and keywords in the eyes of search engines. keywords are obtained through dictionaries or specific word segmentation.AlgorithmTherefore, not all words are keywords, and the opposite of the keywords is stop word, because these words cannot describe any features of the document, almost every document has, for example, the Chinese "of" will not be indexed by search engines. A phrase composed of multiple keywords is called a keyword phrase ).

Keyword Classification

Keywords include 2 types of words: A.1) KEYWORDS: words or phrases that can be used to index the topic concepts of literature, such as the Chinese subject table and mesh, extracted from the dictionary; B. free word: a term that reflects the newly generated terms or terms that are not included in the subject list or cannot be found in the word list. It is generally extracted using word segmentation algorithms. More details ..

Keywords and query

A query is a user input in the search box. A query can be a keyword or not, because the user input is very casual, such as abbreviations, typos, sentences, and multiple keywords, in many cases, a query is decomposed by a search engine into keyword matching results. However, matching for a query is also very important, especially for some infrequently used queries, directly match the results through the word distance and order between the query and so on.

Seo Problems

In most cases, the search engine uses a combination of keyword and query matching to ensure the topic relevance of the results. It also supports extension of synonyms, Homophone Words, and related queries; query-based exact matching can greatly improve the relevance of results. For some important pages (home pages and channel pages) of the site, you should pay attention to the ranking and optimization of keywords. Do not use keywords to pile up. For some content pages, you should pay attention to the optimization of queries, to achieve full matching, you have the opportunity to arrange them in front. This requires studying the user's query habits, understanding which queries the user may use, and generating precise matching pages for these queries, try to generate high-quality original content for some popular queries. Common keyword tools: Baidu index, Google Keyword tool, keyword density query.

Seo Basics

Google ranking Factor Analysis (1) -- keywords
"Rel = nofollow" attribute
URL Normalization)
Keyword stuffing)
Cloaking, camouflage, and blind eye
Bridge page, doorway page)

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