This is the third broad core algorithm update of 2023. the first core update of 2023 was the March 2023 core update, which started rolling out on March 15 and was completed on March 28. The second core update of 2023 was the August 2023 core update, which started rolling out on August 22 and was completed on September 7. Google announced this on X and updated its search status page:“Released the October 2023 core update. Google said you can see a bit of a recovery between core updates but the biggest change would be after another core update. So this October 2023 core update and the October 2023 spam update will overlap.