To understand SEO
Common Search Engine Principles. To understand SEO you need to be aware of the architecture of search engines. They all contain the following main components:
Keyword Density and Seo
If you repeat your keywords in every other word on every line, then your website will probably be banned as an artificial site or spam site. Keyword density is always expressed as a percentage of the total word content on a given web page.
Nofollow for Search Engine Optimization
Nofollow is an HTML attribute value used to instruct some search engines that a hyperlink should not influence the link target's ranking in the search engine's index
How to use Headings: The H1, H2, H3, H4, H5, H6 elements
A heading element briefly describes the topic of the section it introduces. Heading information may be used by user agents, for example, to construct a table of contents for a document automatically.
Attractive Description Meta Tag for Search Engine
Experience has shown that a high position in search results does not always guarantee large numbers of visitors. For example, if your competitors' search result description is more attractive than the one for your site then search engine users may choose their resource instead of yours.
Attractive Keywords Meta Tag for Search Engine
The meta keywords tag is one of several of meta tags that you can insert into your web pages to provide search engines with information about your pages that isn’t visible on the page itself