Which kind of activities include by web hoisting ?

Matt Cutts explains the Google index update index update, the algorithm update algorithm update, data refresh data refresh, these three terms are meant. 2003, when, Google almost crawling the Internet once a month, crawl the web, Property Valuation process is an index update index Update . The algorithm may change, the data has changed, almost nothing has changed, one-off, which is commonly known as Google Dance, owners of the world will give them named Google Dance.

web design

Now Google is crawling every day, and refresh the index, which is an ongoing process. The biggest change that people can see now is the algorithm update algorithm Update , a monthly index update that is no longer carried out. But in the old index mismatch when, for example, rebuilding CJK (CJK) when the index, it may appear this full index update. Algorithm update algorithm is basically a change, for example, for a particular page ranking, PR weights are a little more or a little less.

The smallest change is data refresh Data refresh , this is actually a change to the input to the algorithm, the algorithm is to change the data to be processed. Take the car to do the analogy, the index update is to have changed the whole car. Algorithm update is for a part of the car, such as the engine and the like. Data updates are very common, we will make the results of observation, such as Google uninterrupted computing and changes in PR.

In contrast, certain algorithms are changed every week, or a few weeks to make a change. Many people noted on June 27 and July 27 each time the page rank changes, in fact, that the algorithm has been running for a year and a half, we can see that the data refresh. If your site is affected, you have to look back at your page is not over-optimized, or find a specialist website for you to look at a problem.