Google algorithm updates: what they are and how to respond

Google changes its search systems constantly, with many small changes every year and several larger, announced updates. When rankings move suddenly, site owners often blame “the algorithm”. Understanding how updates work helps you respond calmly and sensibly.

Types of updates

• Core updates: broad changes to how Google assesses content overall, announced a few times a year. They are not aimed at specific sites; they reassess how relevant and helpful pages are compared with others.
• Spam updates: improvements to systems that detect spam, such as link schemes, scaled low-value content, cloaking and site reputation abuse.
• Other system updates: changes to particular systems, such as reviews, page experience or local results.

Google lists confirmed updates and their roll-out dates on its Search Status Dashboard.

Was your site affected?

1. Note the date your traffic changed in Search Console’s Performance report.
2. Compare it with the Search Status Dashboard. Roll-outs can take a couple of weeks.
3. Check whether the drop is site-wide or limited to certain pages or topics.
4. Rule out other causes: technical errors, noindex tags, site changes, seasonality and tracking problems.
5. Check Search Console for any manual action notices.

If a core update hurt your rankings

There is usually no single technical fix. Google’s advice is to look honestly at content quality. Ask:

• Does the content provide original information, research or analysis?
• Is it written by, or checked by, someone who knows the subject?
• Would a visitor feel they learned enough to achieve their goal?
• Is it mainly created for people, or mainly to attract search traffic?
• Are there many thin, near-duplicate or outdated pages?

Improve or combine weak pages, update outdated information and remove content that has no real purpose. Recovery, if it comes, often appears after later updates rather than immediately.

If a spam update or manual action hit you

Remove the cause: unnatural links, scaled thin content or other policy breaches. For manual actions, fix the problem fully, then submit a reconsideration request in Search Console explaining what you changed.

Staying resilient

• Focus on genuinely useful content and a good user experience.
• Avoid tactics you would not be comfortable explaining to Google.
• Diversify traffic with email, social media and direct relationships.
• Track results continuously so you notice changes early.

Learn sustainable SEO in our SEO Course.