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Google Search Sees Volatility Spike in April 2025

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Updated on April 11, 2025

Magnifying glass hovering over a laptop screen showing the Google search homepage

Google’s March 2025 core update ended on March 27, but how have search results been impacted in the weeks since? As we headed into April, the SERPs seemed relatively calm, but I’ve noticed a few spikes in volatility, particularly in the last couple of days.

Is this just the aftermath of the March core update, or could it be a sign of an under-the-radar update from Google?

Shifts in SERPs

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The SERPs remain unstable in April, with plenty of ups and downs appearing in the trackers:

Semrush sensor showing SERP volatility in April — April saw a spike in volatility around April 9-10, but it looks to be calming down. Source: Semrush

Algoroo SERP volatility tracker — Algoroo’s tracker shows no major volatility in April. Source: Algoroo

Advanced Web Ranking SERP volatility tracker — You can see how the SERPs have remained rocky following the March core update. Source: Advanced Web Ranking

cognitiveSEO SERP volatility tracker in April 2025 — April has seen more normal volatility than March. Source: cognitiveSEO

Similarweb SERP volatility tracker — The SERPs also appear calm, according to Similarweb. Source: Similarweb

The above screenshots aren’t in total alignment with one another – some trackers show more volatility than others, while some show relative calm.

Volatility in 2025

So far, I’ve reported on the following Google search updates and SERP volatility this year:

Outcome of March’s Core Update

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Google’s March 2025 core update aimed to display relevant content in search results and better support content creators. Following its rollout, the SEO community and website owners commented on its widespread impact on businesses, the decline of forum content (except for Reddit), and the devaluing of unhelpful content.

Of course, with any algorithm update, volatility in rankings is expected. I’ll keep an eye on the trackers as April continues – Google hasn’t officially confirmed a new update, so it’s likely this is standard SERP fluctuation.

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Emma Ryan Writer

Emma is Lead Writer at Website Builder Expert, having first joined the team in 2022. She manages the website's topical content strategy to help website owners navigate the highs and lows of being online. Emma also specializes in following the development of leading website builders Wix, Squarespace, and Shopify, through hands-on testing and research. Her work and expertise have been featured in Startups.co.uk, Digiday, TechRound, Industry Today, and Digital Information World.