A data refresh is a manually triggered search engine index update, usually tied to a specific part of a ranking algorithm. Opposed to standard, continuously running index updates, data refreshes are periodically triggered to filter the search engine's index according to specific quality checks. As with all index updates, data refreshes make no changes to a search engine's algorithm.
Google's two most well-known, regularly refreshed filters are:
A deep link is a hyperlink that points to a page of a website other than its homepage. A high number of deep links can be a sign that a website has acquired its backlinks from merit—based on the value and popularity of some of its content—opposed to from artificial link building campaigns.Top
Divs have no semantic meaning, and should therefore be avoided in cases where other elements exist that better represent content. Semantic HTML plays an important role in helping search engines understand and rank web pages.
HTML5 introduces several new elements suitable for sectioning content for page layout, a longstanding use of divs.
The div is the block-level equivalent of the span, an inline generic HTML element.See also: semantic HTML Top
Domain authority is a concept attributed to a website's perceived level of importance and popularity. A website's authority determines how well it is likely to rank in search results, regardless of content or other ranking signals.
Search engines look at numerous signals to determine a website's authority, namely:
Just as domains can earn authority, so can individual pages.
Tools exist that provide insights into website authority. including Open Site Explorer, which scores the authority of domains and pagesSee also: Domain trust Top
A domain name, or domain is a unique name that identifies a website, serving as its address. For example, the domain name of Springboard SEO is 'springboardseo.com'.
All domain names have a suffix, such as .com and .net, or a country-specific suffix, such as .ca and .uk. Country-specific domains (ccTLDs, or country code top-level domains) are useful for localized versions of a website.
Examples of domain name suffixes, and their original intended uses:
Domain names are relatively inexpensive to register with a domain registrar, often less than ten dollars per year.Top
The individual, organization or entity who holds the rights to use a specific domain name.Top
An organization that has the authority to register domain names for members of the public. The largest domain name registrar is Godaddy, which, as of 2013, owns over 31% of the domain name market share, with almost 37 Million domains registered. Other popular domain name registrars include:
Some things to look for in choosing a domain name registrar include:
Domain trust is a concept attributed to a website's level of trust from search engines. Search engines evaluate the trustworthiness of a website (domain), based on several signals, namely:
A doorway page is a web page, typically of low quality, designed primarily to target search engines with specific keywords. In contrast with landing pages, doorway pages add little value for human visitors, are usually keyword stuffed, and often redirect traffic to a more user-friendly page within a website.
Doorway pages are considered blackhat SEO, and will usually result in quick removal from search engine results pages.Top
Duplicate content usually refers to substantial passages of text copied from other sources on the Web. Some search engines, including Google, will filter many blocks of duplicate text from their index, depending on the authority of the duplicating website.
Not all duplicate content is considered deceptive—or is copied from other websites. common causes of duplicate content include:
In cases where duplicate content is unavoidable within one domain, several solutions exist to gain more control over which sources of the content appear in search results:
A dynamic web page is a web page that is created "on the fly", based on varying parameters, including user input, time specification, and computer programs. Dynamic websites are also known as database-driven websites, because content is pieced together from data stored in a database in response to user requests. This is in contrast to static web pages, which are delivered to visitors exactly as they are stored on a web server.
Examples of dynamic websites include: