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Official statement

To bypass network caching issues when testing with PageSpeed Insights, adding a random parameter after the URL (e.g., ?123) generally forces intermediate servers to fetch the most recent version of the page.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 20/08/2021 ✂ 18 statements
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✂ Other statements from this video 17 ▾
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  3. □ How does Google's new removal tool transform your SEO strategy?
  4. □ Should you choose robots.txt or noindex for your important pages?
  5. □ Do temporarily removed pages really influence the overall SEO quality of a website?
  6. □ Is it true that links to a noindex page can lose their SEO value?
  7. □ Should you worry about media attachment pages for SEO?
  8. □ How does combining similar content really strengthen your SEO pages?
  9. □ Is it true that you can't use Google My Business reviews in schema?
  10. □ Does Server Response Time in Search Console Really Impact Your SEO Rankings?
  11. □ How do content silos truly impact your SEO?
  12. □ Should you focus on concentrated traffic or dispersed traffic for SEO?
  13. □ Could having too many language versions actually weaken your SEO performance?
  14. □ How does the disavow file truly impact your link profile?
  15. □ Are Session Interstitials Really Impact-Free for SEO?
  16. □ Why does Google prioritize field data over lab data for SEO?
  17. □ Why is it essential to separate UGC on subdomains for effective SEO?
📅
Official statement from (5 years ago)
TL;DR

Adding a random parameter to the URL bypasses network caching, allowing for more reliable SEO tests with PageSpeed Insights. A simple technique to ensure servers deliver the current version of the page.

❓ Frequently Asked Questions

Les paramètres URL affectent-ils le SEO hors tests ?
En tests ciblés, non. Dans d'autres contextes, ils pourraient influencer le crawling et l'indexation.
Cette méthode est-elle applicable à tous les sites web ?
Oui, mais toujours à tester et adapter selon les spécificités de votre infrastructure.
Est-ce que ça impacte la vitesse de chargement ?
Non, l'influence sur le SEO concerne surtout la précision des tests.
🏷 Related Topics
Domain Age & History AI & SEO Domain Name Web Performance

🎥 From the same video 17

Other SEO insights extracted from this same Google Search Central video · published on 20/08/2021

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