SEO and SEM terminology


What is SEO all-in-one? What does SERP mean? What is the difference between white hat SEO and black hat SEO?

When reading an article or chatting with a seoer (a person who is engaged in SEO), do you accidentally pick up a few professional words that will make you confused? And a few professional terms came out and were forced to go up immediately.

Xiaobian compiled the common terminology of SEO and SEM for everyone. From then on, get professional articles without stress, and communicate with the server so easily!

Terminology: SEO-related terms

1. Search Engine Results Page (SERP)

SERP is an abbreviation of the Search engine results page, which is the result page of search engine feedback on a search request when performing a keyword query.

2. Search Engine Optimization (SEO)

SEO is the abbreviation of Search Engine Optimization. It is mainly classified into white hat SEO, black hat SEO and gray hat SEO.

2.1 White Hat SEO is an SEO optimization method that complies with the guidelines of the mainstream search engine. Contrary to black hats, White Hat SEO has always been considered by the industry to be the best SEO approach, avoiding any conflict with search engine rules, and white hats are the highest ethical standards for SEO practitioners.

2.2 Black Hat SEO, in general, all use of cheating or suspicious means can be called black hat SEO, such as spam links, hidden pages, bridge pages and keyword stuffing. The main feature of Black Hat SEO profit is that it is short and fast, and it will face punishment at any time because of changes in search engine algorithms.

2.3 Gray hat SEO, which means the middle zone between the white cap and the black cap. Compared with the white cap, the gray cap SEO will take some tricks to operate. These behaviors are not illegal, but they are also not Follow the rules and be in a gray area.

3, the keyword (Keyword)

The key word is that the user inputs the words and words used by the search engine to query, and can be any combination of Chinese, English, numbers, or Chinese and English numbers.

3.1 Keyword Density

The ratio of the total number of times a keyword or a keyword appears on a web page to other text.

The greater the number of occurrences of keywords relative to the total number of words on the page, the greater the total keyword density (unit: g/cm3 or kg/m3).

3.2 word segmentation technology

This is a unique process for Chinese search engines. It refers to the process of separating a sequence of consecutive Chinese characters without spaces in between into a single, meaningful word.

There are three main methods for word segmentation:

“I don’t know what you are saying” is divided into “No, know, you are, say, what” – this right-to-left participle method is called the reverse matching method;

“I don’t know what you are saying” is divided into “I don’t know, you, what, what to say” – this left-to-right method is called forward matching;

“I don’t know what you are saying” is divided into “I don’t know, what you are, what to say” – this method is called the shortest path segmentation.

4, spiders, robots, crawlers (crawler, robot, spider)

The crawlers, spiders, and robots are actually the same. They are web client programs like IE, which collect website content on the network and compile it into the search engine database.

5, link farm, link factory (Link farm, Link factory)

Link farms, which are a set of content-independent pages that are linked together by links in an attempt to obtain good search engine rankings or traffic. They automatically build a large number of links that are unrelated to content through tools. They are recognized as webspam, often leaving users stuck in link farms but not finding the most useful content.

6, Natural Links, sponsored links (Sponsored Link)

Natural links are links that are spontaneously created based on the content of the web page. Correspondingly, the purchase link and the reciprocal link are unnaturally formed links with commercial transactions. The sponsored link is a text link advertisement, and a frequently appearing advertisement form is a banner banner advertisement.

7, search engine rankings

In simple terms, search engine ranking refers to the location of the website in the search engine results page (SERP), the most direct reflection of the work results of SEO is the website ranking.

There are also “black words” in the ranking of the website:

7.1 by K: Cannot find information on the website in the search engine

7.2 Demotion: Searching for specific keywords in search engines can’t find website information, and web content is backward.

8, 301 redirect

URL redirection is the most viable option. When the user or the search engine issues a browsing request to the web server, the server returns a type of status code in the header of the HTTP data stream, indicating that the web page is permanently transferred to another address.

9, 404 (404 NOT FOUND)

The 404 page is the page that the server cannot provide normal information and the returned page after the user enters the URL due to the link failure or the website expiration.

However, a good 404 page will reduce the user’s irritability.

10, HTML

Hyper Text Mark-up Language, a basic hypertext markup language based on website design.

11, Hypertext Transfer Protocol (HTTP)

Hypertext Transfer Protocol, a transmission protocol for web browsing web pages.

12, robot files (robots.txt)

A robot file is a file in the root directory of a website that controls the crawling behaviour of search engine spiders by writing some code. Through it we can let search engines ban or quickly crawl our website.

13, page level (PR)

Page rank is Google‘s tool for measuring the importance of a web page. Measurements range from 1 to 10 to indicate the importance of a web page. The PR of the new website is 0, and the general PR is updated every 3 months.

14, Nofollow

A property of a link that causes search engine spiders to ignore a portion of the links to those pages. The general blog comments have the Nofollow attribute. Such external links are not useful for SEO.

15, link text and anchor text (link text & Anchor text )

Anchor text, also known as anchor text links, is a form of link. Similar to hyperlinks, hyperlinked code is anchor text, which makes a link to a keyword and points to another web page. This form of link is called anchor text.

The search engine determines what the linked site is by linking the text, and generally sets the keyword as the anchor text.

16, bread crumbs (bread crumbs)

Also known as location navigation, the “breadcrumbs” architecture allows users to understand the current page hierarchy in the site.

17, Bounce Rate (Bounce Rate)

When a user enters a web page and leaves the other pages of the website within a session time, this behavior is called Bounce. The lower the Bounce Rate, the better, indicating that the user has visited more pages on the site.


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