1. Basic grammar
1. Intext
takes a character in the body content of a web page as a search condition. For example, enter: intext:38.5 in Baidu (google). It will return all webpages that contain "38.5" in the body of the webpage
2. The
usage of allintext is similar to intext
3. Intitle
searches for the characters we are looking for in the title of the webpage. For example, search: intitle:38.5. It will return all webpages that contain "38.5" in the title of the webpage. The same is true for allintitle: also similar to intitle
4.cache
Search the cache of certain content in Baidu (google), sometimes you can find some good things
5. Define
search for the definition of a word, for example, search for: define: 38.5, it will return the definition of "38.5".
6. Filetype
searches for files of a specified type, for example: filetype:doc. All file URLs ending in doc will be returned
http://7.info
find some basic information of the specified site
8. Inurl
searches whether the characters we specify are present in the URL. For example, input: inurl:admin, it will return N connections similar to this: http://xxx/admin, often used to find common vulnerabilities, injection points, administrators Login URL
9.allinurl is
also similar to inurl, multiple characters can be specified
10.linkurl
For example, search: inurl:http://hdu.edu.cn can return all URLs that link to http://hdu.edu.cn
11. Site
search for the specified domain name, such as site: hdu.edu.cn. All URLs related to http://hdu.edu.cn will be returned
2. Basic use
1. Double quotation marks
Put the search term in double quotation marks, which represents a complete match search, that is to say, the page returned by the search result contains all the words that appear in the double quotation marks, and even the order must be completely matched. Both bd and Baidu (google) support this command. For example, search: "seo method picture"
2. Minus
sign The minus sign means to search for pages that do not contain the word following the minus sign. When using this command, there must be a space before the minus sign, and there is no space after the minus sign, followed by the word that needs to be excluded. Both Google and Baidu support this command.
For example: search-engine
returns results that contain the word "search" but not the word "engine"
3. Asterisk The
asterisk is a commonly used wildcard and can also be used in searches. Baidu does not support the number search command.
For example, search in Baidu (google): search engine
where the number represents any text. The returned results include not only "search engines", but also "search engines", "search giants" and other content.
4.
inurl inurl: The command is used to search the page where the query word appears in the url. Both Baidu and Google support the inurl command. The inurl command supports Chinese and English.
For example, search: inurl:search engine optimization The
returned results are all pages that contain "search engine optimization" in the URL url. As keywords appear in the URL to have a certain impact on rankings, using inurl: search can more accurately find competitors.
5.inanchor
inanchor: The result returned by the command is to import pages that contain search terms in the anchor text of the link. Baidu does not support inanchor.
For example, search on Baidu (google): inanchor:
The result page returned by clicking here does not necessarily contain the four words "click here", but the four words "click here" appear in the anchor text of the links to these pages .
Can be used to find a certain keyword of the competition, and these competitors are often done SEO. You can find many link resources by studying the external links on the competitor's page.
6.intitle
intitle: The command returns the page that contains keywords in the title of the page. Both Google and Baidu support the intitle command.
The file found using the intitle command is a more accurate competition page. If keywords only appear in the visible text on the page, but not in the title, in most cases, they are not optimized for the keywords, so they are not strong competitors.
7.allintitle
allintitle: The search returns the file containing multiple sets of keywords in the page title.
For example: allintitle:SEO search engine optimization
is equivalent to: intitle:SEO intitle:search engine optimization
returns pages that contain both "SEO" and "search engine optimization" in the title
8.allinurl is
similar to allintitle:.
allinurl:SEO search engine optimization
is equivalent to: inurl:SEO inurl:search engine optimization
9. filetype is
used to search for a specific file format. Both Google and Baidu support the filetype directive.
For example, searching for filetype:pdf SEO
returns all pdf files that contain the keyword SEO.
10. Site
site: is the most familiar advanced search command for SEO, used to search all files under a certain domain name.
11.linkdomain
linkdomain: The command is only applicable to Yahoo, and it returns the reverse link of a certain domain name. Yahoo's backlink data is relatively
accurate, and it is one of the important tools for SEO personnel to study the status of competitors' external links.
For example, search for linkdomain: link: http://cnseotool.com -site: link: http://cnseotool.com to
get the external link of Dianshi website, because -site: link: http://cnseotool.com has been excluded The page of Dianshi itself is the internal link, and the rest are external links.
12.related
related: The command is only applicable to Google, and the returned result is a page that is related to a certain website. For example, by searching
related: link: http://cnseotool.com,
we can get other pages that Google thinks are related to the Dianshi website. What this association refers to, Google has not clearly stated, it is generally believed that it refers to the
several advanced search instructions introduced on websites with common external links. Use them alone to find a lot of resources, or you can locate them more accurately. Competitors, if these instructions are mixed and used, it is stronger