How often does Google change its algorithm?

[pharmasecure]

hi

How often does Google change its algorithm?

[eCommerceChamp]

Generally speaking, the company rolls out 500 to 600 changes to its search algorithms each year. However, many of these changes are minor and the average web user wouldn't even notice that changes have taken place. When it comes to major updates and algorithm changes, Google is more conservative with its changes.

[pssabarish]

The algorithm changes and updates that webmasters care about most are the ones that shake the foundation of their livelihood. There is a full list of Google’s major algorithm updates on Search Engine Land, but we’ll cover the basics of each one of those updates below:
Panda,

[WoodsPainting]

Each year, Google changes its search algorithm around 500–600 times. While most of these changes are minor, Google occasionally rolls out a "major" algorithmic update (such as Google Panda and Google Penguin) that affects search results in significant ways.