Shanghai dragon refers to the search engine optimization (Search Engine Optimization), also called the website optimization.
on the one hand, the ranking optimization optimization is the key of Shanghai dragon. Direct embodiment of keyword optimization, is the web site of the title (made of key words ranking); on the other hand, each title rank, title is also contained in the page ranking.
library is not a temporary index for storage of all spiders to crawl the web page,
he will be screened according to the quality of spiders to crawl the page, some of the poor quality of the filtering pages,
search engine optimization is not easy, even tens of millions of competitors, our goal is not hundreds, but to fight for the top ten, or even the first. This in Shanghai Longfeng beginners serious may be a dream, but in the heart of Shanghai dragon, is a dream come true our goal.
refers to participate in each phrase ranking.
one might ask why my website was not included.
index database storage
search engine spider is a program of search engine, is a set of information capture system program.
common spider love spiders in Shanghai (Baiduspider) (Gllglebot) 360, Google spider spider (360Spider), Sogou spider (Sogou News Spider)
search engine ranking principle diagram
ranking showThe filter
five, the search engine grab included the principle (four process)
two, what is the search engine spider
search engine grab included the flow chart of
love Shanghai, 360, Google, soso, Bing, YAHOO, is a concrete manifestation of the search engine. Explain to love Shanghai, not repeat them here.
three, what is the Shanghai dragon
theory, each page is in the ranking opportunity, therefore, the smallest unit of website ranking, also is the page.
finally we see the ranking of
, what is the search engine
four, what is the keyword
page will be good quality, sorted according to the quality of the
spiders crawl web pages stored in the temporary – – – index rankings (from the index database retrieval)