What does Google say about SEO? /

Official statement

Google takes into account consecutive page loads in the Core Web Vitals statistics, not just the initial load. The exact details of how they are utilized for the page experience signal are still being finalized.
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Extracted from a Google Search Central video

⏱ 465h56 💬 EN 📅 24/03/2021 ✂ 13 statements
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📅
Official statement from (5 years ago)
TL;DR

Google confirms that Core Web Vitals statistics include consecutive page loads, not just the first load. This clarification broadens the measurement scope beyond just the initial navigation. Uncertainty remains over the exact weight of this data in the page experience signal — Google is still refining its model.

What you need to understand

What does Google mean by 'consecutive loads'?<\/h3>

Google measures real user experience<\/strong> through data collected by Chrome (CrUX). A visitor browsing a website does not just load one page — they may go through 5, 10, or even 15 pages during a single session.<\/p>

Until now, many SEO practitioners believed that only the initial load mattered<\/strong> in Core Web Vitals. Martin Splitt clarifies here that Google also aggregates metrics from subsequent loads — in other words, internal navigation counts in the calculation.<\/p>

Why is this nuance important for e-commerce or media sites?<\/h3>

On an e-commerce site, a user might load the homepage, then a category, then a product page, then the cart. If each consecutive load deteriorates the CWV<\/strong>, the overall score collapses even if the entry page was fast.<\/p>

Specifically, an optimized media site on landing but struggling on internal pages (articles, tags, archives) risks damaging its experience signal<\/strong> if visitors navigate through multiple pages. Optimization must be consistent, not just focused on SEO entry points.<\/p>

Is Google transparent about the exact use of this data?<\/h3>

No. Splitt admits that 'the exact details of their use for the page experience signal are still being finalized'. In other words: Google collects this data, but doesn't specify how it is weighed<\/strong>.<\/p>

This gray area is typical of Google — we know a signal exists, but its internal mechanics remain opaque. For a practitioner, this means optimizing all loads<\/strong>, not just the first, without knowing precisely the weight of each.<\/p>

  • The CWV include consecutive loads<\/strong>, not just the first page viewed.<\/li>
  • A site that is fast at landing but slow in internal navigation risks diminishing its overall CWV score<\/strong>.<\/li>
  • Google has yet to disclose the exact weighting<\/strong> of these loads in the ranking signal.<\/li>
  • Optimization must be consistent across the entire user journey<\/strong>, not just on priority SEO pages.<\/li>
  • Sites with heavy internal navigation (e-commerce, media, forums) are particularly affected<\/strong>.<\/li><\/ul>

SEO Expert opinion

Is this statement consistent with field observations?<\/h3>

Yes and no. Many SEOs have noticed that sites with an ultra-optimized homepage<\/strong> but mediocre internal pages retained good CWV scores in the Search Console. If all consecutive loads were weighted as heavily as the first, we should see more degradation.<\/p>

One hypothesis: Google may aggregate all visited pages but weights the first load differently from the subsequent ones<\/strong>. Alternatively, browser caching and prefetching may mask part of the issue — but CrUX measures actual user experience, so caching should affect both sides.<\/p>

What nuances should be added to this statement?<\/h3>

Splitt refers to 'Core Web Vitals statistics' — he's probably talking about the CrUX report<\/strong>, not necessarily the ranking signal. CrUX aggregates all user experiences, including consecutive loads. However, the page experience signal used for ranking might filter or weigh this data differently<\/strong>.<\/p>

Another point: 'still being finalized' means that Google is experimenting<\/strong>. The current weighting could be temporary, or Google may be testing various models across sectors (e-commerce vs media, mobile vs desktop). [To be verified]<\/strong>: no public data allows quantifying the exact impact of consecutive loads on ranking.<\/p>

In what cases could this rule work against certain sites?<\/h3>

Sites with deep navigation<\/strong> (highly structured e-commerce sites, forums, documentation sites) are at risk. If a user goes through 10 pages and 6 out of 10 have a poor LCP, the overall score deteriorates.<\/p>

Conversely, one-page sites or those with very low page views per session (landing pages, showcase sites) are less affected<\/strong> — most users only load one page. This creates asymmetry: two sites with the same LCP on the homepage can have very different CWV scores depending on browsing behavior.<\/p>

Attention:<\/strong> If your site relies on heavy JavaScript that slows down each internal transition (poorly optimized SPA, React without SSR), each consecutive load might drag down your CWV<\/strong> even if the first load is fine. Monitor navigation behavior, not just the landing.<\/div>

Practical impact and recommendations

What should you do to optimize all loads effectively?<\/h3>

Stop optimizing only the SEO entry pages. Run CrUX audits on all page types<\/strong>: categories, product pages, articles, tag pages, archives. Identify templates that slow down internal navigation.<\/p>

Implement smart prefetching<\/strong> on internal links with a high click rate — this reduces perceived LCP on consecutive loads. Use tools like quicklink.js or native prefetch directives. But beware: too much prefetching can saturate mobile bandwidth and degrade the initial experience.<\/p>

What mistakes should be avoided when optimizing consecutive loads?<\/h3>

Do not sacrifice experience consistency<\/strong> by optimizing only priority SEO pages. A user landing from Google on a fast page and then navigating to slow pages will have a degraded experience — and Google measures this.<\/p>

Avoid poorly configured SPAs (Single Page Applications): if each internal transition re-downloads massive JS chunks or triggers heavy API calls, each consecutive 'load' will be as slow as a cold load<\/strong>. Browser caching is insufficient if JS execution is costly in itself.<\/p>

How to verify that my site is compliant across the entire journey?<\/h3>

Use CrUX API<\/strong> to extract data by URL or origin, then segment by page type. Compare scores of your SEO entry pages against your internal pages — if there’s a massive gap, you have an internal navigation problem.<\/p>

Implement RUM (Real User Monitoring)<\/strong> with tools like SpeedCurve, Datadog RUM, or Google Analytics 4 + Web Vitals. You can measure CWV at each step of the user journey and identify friction points. If 80% of your users see a good LCP on the homepage but only 60% on product pages, you know where to dig deeper.<\/p>

  • Audit CWV across all page templates<\/strong>, not just SEO landings.<\/li>
  • Implement smart prefetching<\/strong> on internal links with a high click rate.<\/li>
  • Avoid poorly optimized SPAs that reload heavy resources at each internal transition.<\/li>
  • Segment CrUX data by page type to pinpoint navigation weaknesses.<\/li>
  • Establish RUM to measure actual CWV at each step of the user journey<\/strong>.<\/li>
  • Test the browsing experience on mobile 3G/4G, not just on desktop via Wi-Fi.<\/li><\/ul>
    Optimizing Core Web Vitals can no longer be limited to SEO entry pages — Google measures the experience across the entire browsing journey. E-commerce sites, media platforms, and sites with heavy internal navigation must audit and optimize each page type. This holistic approach requires advanced technical expertise and a strategic vision of the user journey. If your team lacks resources or skills to orchestrate this large-scale optimization, enlisting a specialized SEO agency can significantly accelerate your results while avoiding costly mistakes.<\/div>

❓ Frequently Asked Questions

Google utilise-t-il les chargements consécutifs dans le ranking ou juste dans les rapports CrUX ?
Google confirme que les chargements consécutifs figurent dans les statistiques CWV, mais reste flou sur leur pondération exacte dans le signal de ranking. Il est probable que CrUX agrège toutes les données, mais que le signal d'expérience de page filtre ou pondère différemment.
Un site one-page est-il avantagé puisqu'il n'a pas de chargements consécutifs ?
Potentiellement oui, si la majorité des visiteurs ne naviguent qu'une seule fois. Mais un site one-page a d'autres contraintes SEO (maillage interne limité, ciblage thématique faible). L'avantage CWV reste marginal face aux inconvénients structurels.
Le prefetching améliore-t-il les CWV des chargements consécutifs ?
Oui, si bien configuré. Le prefetch réduit le temps de chargement perçu en pré-chargeant les ressources critiques avant le clic. Mais attention à ne pas saturer la bande passante mobile — un prefetch trop agressif peut dégrader l'expérience initiale.
Les SPA (React, Vue, Angular) sont-elles pénalisées par cette logique de chargements consécutifs ?
Pas forcément, si elles sont bien optimisées (SSR, code splitting, lazy loading). Mais une SPA mal configurée qui re-télécharge des chunks JS lourds à chaque transition interne souffrira autant qu'un site multi-pages lent.
Comment savoir si mes pages internes dégradent mes CWV globaux ?
Utilisez CrUX API pour segmenter les données par typologie de page, ou mettez en place du RUM pour mesurer les CWV réels par étape du parcours utilisateur. Comparez les scores entre pages d'entrée SEO et pages internes — un écart massif signale un problème de navigation interne.

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