SEO and Core Web Vitals Updates for 2026-05-09

Today's SEO insights cover Bing's growth, AI tools like Claude, and Chrome 148 features like lazy-loading audio. Stay competitive in 2026.

SEO and Core Web Vitals Updates for 2026-05-09

Why Today Matters for SEO and Web Performance Teams

Ecommerce SEO and web performance teams must stay agile as search and AI-driven discovery evolve rapidly. Today’s updates highlight critical shifts, from Bing’s user growth to new Chrome features and actionable strategies for AI visibility. Let’s dive into the latest insights and what they mean for your stack.

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Bing Hits 1 Billion Monthly Users: What It Means for Search

Microsoft announced that Bing now serves 1 billion monthly active users, a significant milestone in its competition with Google. Importantly, these figures reportedly exclude AI agents like ChatGPT or Bing Chat and represent real human users [3]. This growth signals Bing’s increasing role in search, particularly as it integrates AI features to enhance user experience.

What this means for your stack:

If Bing isn’t part of your SEO strategy, now is the time to optimize for its ecosystem. Ensure your content aligns with Bing’s ranking factors, including schema markup and multimedia-rich pages.

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Building AI Visibility: Lessons from Reddit and Claude

Two key sources today emphasize strategies for improving AI visibility:

  • Reddit as a Community Hub: Brands can leverage Reddit to build trust and engage authentically with niche communities. This approach can enhance AI visibility, as conversational AI tools often pull context from forums like Reddit [1].
  • Claude Skills for Marketers: Ahrefs highlights how Claude, Anthropic’s AI assistant, can streamline repetitive marketing tasks. For example, it can assist with generating LinkedIn posts using predefined voice and hook patterns, saving time and ensuring consistency [2].

    • What this means for your stack:

    Invest in community engagement and explore AI tools like Claude to automate and scale your marketing efforts while maintaining a human touch.

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    On-Page AEO: Writing for Both Humans and AI

    Dan Petrovic’s article on Ahrefs underscores a growing trend: writing content that serves both human readers and AI models. Known as On-Page AEO (AI Experience Optimization), this approach mirrors traditional SEO but emphasizes clarity, structure, and meaning extraction [6].

    What this means for your stack:

    Audit your content to ensure it’s scannable, well-structured, and free of ambiguity. This dual-optimization approach can improve both user engagement and AI-driven discoverability.

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    Chrome 148: New Features for Developers

    Chrome 148 introduces several updates that can directly impact web performance:

  • CSS Name-Only Container Queries: These allow developers to apply styles based on container names rather than specific elements, simplifying responsive design.
  • Lazy-Loading for Video and Audio: Extending lazy-loading to multimedia improves initial page load times, particularly for content-heavy sites.
  • Prompt API: A new API for creating modal-like prompts without relying on third-party libraries [4].

    • What this means for your stack:

    Update your development workflows to leverage these features, particularly lazy-loading for multimedia, to improve Core Web Vitals metrics like LCP.

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    Core Web Vitals in 2026: A Reminder

    The latest web.dev baseline digest reinforces the importance of Core Web Vitals in 2026. With Google’s continued focus on user experience, metrics like Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS) remain essential benchmarks for site performance [5].

    What this means for your stack:

    Regularly monitor your Core Web Vitals using tools like PageSpeed Insights and Lighthouse. Address issues like render-blocking resources and optimize server response times for better scores.

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    Sources

  • [1] Search Engine Journal — From Reddit to Revenue: Building Real Community That Drives Sales and AI Visibility
  • [2] Ahrefs Blog — Claude Skills for SEO and Marketing: What They Are and How to Use Them
  • [3] Search Engine Roundtable — Bing: 1 Billion Monthly Users Are Human, Not Agents
  • [4] Chrome Developers — New in Chrome 148
  • [5] web.dev — January 2026 Baseline monthly digest
  • [6] Ahrefs Blog — On-Page AEO: 4 Writing Frameworks for Better AI Visibility

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    Authored by the ControlVitals Editorial Team — performance and SEO practitioners auditing real production sites every day.

    Editorial transparency: this article was researched and drafted with AI assistance, then reviewed by our editorial team for factual accuracy before publication.