Google’s search algorithms are constantly evolving, with updates happening at various frequencies. Here’s a breakdown of different types of updates and their frequencies:
Minor Algorithm Updates:
- These occur daily and are often imperceptible to users.
- They involve tweaking existing ranking factors and adjusting parameters.
- Their purpose is to keep the search results fresh and relevant.
Core Algorithm Updates:
- These are larger and more significant updates that happen several times a year.
- They involve introducing new ranking factors, changing the weight of existing factors, and making significant changes to the overall search algorithm.
- These updates can significantly impact website rankings and necessitate SEO adjustments.
Algorithm Tweaks and Experiments:
- Google constantly runs thousands of experiments to test out new ideas and improve its search algorithm.
- These experiments are often small and localized, affecting only a small percentage of users.
- If a tweak or experiment proves successful, it may be rolled out to a wider audience or even become part of a larger core update.
Here’s a rough estimate of the update frequency:
- Minor updates: Daily (estimated)
- Core updates: Several times a year (estimated 3-4 times)
- Tweaks and experiments: Constantly running (thousands per year)
It’s important to note that Google doesn’t officially announce every update. They usually only announce major core updates, while minor updates and tweaks are often left unannounced.
Here are some resources where you can find information about Google’s algorithm updates:
- Google Search Central: https://developers.google.com/search/updates/core-updates
- Search Engine Land: https://searchengineland.com/page/4
- Moz: https://moz.com/google-algorithm-change
By staying informed about Google’s algorithm updates, you can make sure your website is always optimized for the latest search engine ranking factors.