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Core Updates SEO Newsletter

The Core Updates newsletter is written by Mark Williams-Cook, a veteran SEO who is Digital Marketing Director at Candour, Founder of AlsoAsked and organiser of SearchNorwich. Over 40,000 SEOs follow Mark's 'Unsolicited #SEO tips' on LinkedIn, which has now been wrapped up into the Core Updates newsletter, along with an overview of weekly news and the current episode of the Search with Candour episode, hosted by Jack Chambers-Ward.

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πŸ›’ Core Updates: OpenAI launches Instant Checkout and Google reports ongoing serving issue [6 October]

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know πŸ›’ OpenAI launches Instant Checkout and Agentic Commerce protocol. Logged in users in the US can now make direct purchases via partners such as Shopify and Etsy. Retailers who use Stripe may be eligible for Agentic Commerce. ❌ Google reports data centre issues that impact the serving of some pages in some locales. This was first reported on 3 October and a fix began rolling...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know πŸ” Search Live officially launches in the US with no opt-in required. With this launch, Google demonstrated how this feature can assist with homework, board games, technology issues and travel advice. πŸ€– Perplexity launches a Search API. This API will allow developers to access Perplexity 'search evaluation' metrics and integrate this data into other apps and platforms. πŸ“...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know 🌐 Google launches 'Gemini in Chrome' in the US. Gemini can clarify and summarise webpages as well as assist with browsing tasks such as tab management and search history. Agentic features are coming soon... πŸ€– AI Mode is now available directly in the Chrome address bar. This update will be rolling out later this month in English in the US. This continues Google's...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know πŸ’― Google no longer supports the &num=100 parameter which allows you to request the top 100 results. This has impacted many rank checkers and SERP APIs require ten times as many requests for the same data. πŸ“‰ Many users are seeing massive drops in GSC impressions, and increases in avg. position since &num=100 was disabled. The impact of tools scraping SERPs on GSC may have...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know 🍎 Rumours circulate of Apple planning to launch their AI search engine next year. The report suggests that this new technology will be powered by Google, and will integrate with Siri βš–οΈ Google must end exclusive search deals and share search data with competitors, according to the results of the DOJ antitrust trial. The judge also decided that Google does not have to...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know πŸ›‘οΈ The Google August 2025 spam update begins rollout. The update launched on 26 August 2025, and there have been some early reports of further impact on sites affected by the previous update in June. πŸ“Š Traditional search isn't declining, despite the growth of AI search. A Sparktoro study found that 95% of Americans continue to use traditional search each month. AI tool...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know 🌐 AI Mode expands to over 180 countries. With this expansion come new agentic features for restaurant reservations and the ability to share search results. Users can then pick up the shared search with follow up questions. πŸ“‰ Google’s Knowledge Graph saw its largest contraction in a decade in June: a two-stage, one-week drop of 6.26% – over 3 billion entities deleted,...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know πŸ“° Google launches a new Preferred Sources feature. This feature lets users choose which publishers appear the top of search results. Google also recommends adding 'Add as a preferred source' button to your site. ✈️ Google launches Flight Deals, a new AI-powered featured in Google Flights. This new tool uses a conversational chat interface to save travellers money on their...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know πŸ’Έ Google confirms ads coming to AI Mode. A leaked document explains that ads will be based on the wider context of the conversation, not just the current query. So far, ad formats eligible for AI Mode include Text & Shopping ads. πŸ’Ή Google tests a new AI-powered version of Google Finance. This new page provides visualisations and an AI chatbot to access real-time data and...

SEO tips and updates from Mark Williams-CookSearch with Candour hosted by Jack Chambers-Ward SEO updates you need to know πŸ” Google AI Mode launches in the UK. After launching in the US and India, AI Mode launched in the UK on 28 July 2025. Users have reported a slow rollout but at the time of writing, it appears to be widely rolled out to most users. πŸ›οΈ Google recommends that your ecommerce site be compatible with AI agents. With the potential of an agentic web just around the corner, John...