Google's December 2025 core update is now done rolling out, it took 18 days and 2 hours to complete. The core update started on December 11, 2025 at around 12:25 pm ET and ended on December 29, 2025 at around 2:05 pm ET...
Now that the December 2025 core update is officially done, some are looking at the damage it caused. A number of very visible news publishers saw some significant declines in Google Search visibility with this latest core update.
For the past several years now, John Mueller of Google would come out with what he calls the "Mueller Report of SEO memes." Well, here is his 2025 edition of the Mueller Report of SEO memes. It is fun to scan through, so I'll just embed them all.
Google is testing a blue "Send" button in the search query box on its home page. When you type in your query, you can click "Send" to search Google for that query.
Google has been saying that 404 error codes are a normal part of the web, that 404s are not a low quality signal and that they don't use up your crawl budget. Now, John Mueller of Google explained why 404s don't matter for SEO.
John Mueller, who works on the Google Search team, responded to a question that asks, "Does extensive Schema markup actually help Large Language Models (LLMs) understand your entity better, or is it just for Google Rich Snippets?" He responded to the question, prefacing it that it is his point of view and "this is not official guidance."