Official statement
For single-page applications, use JavaScript to dynamically add a noindex robots meta tag to the DOM for pages that should not be indexed. Avoid using robots.txt as Google would then index the URL without knowing its content.
Other statements from this video 31 ▾
- □ Is it true that hreflang works without a generic version for each language?
- □ Could third-party embeds be jeopardizing your SEO performance?
- □ How can you reverse a 301 redirect without any hassle?
- □ Why does HTTPS continue to be an isolated factor in Page Experience?
- □ Why doesn't Google acknowledge when site migrations are complete?
- □ Does a consistent language on each page really boost your SEO?
- □ How do multilingual pages affect SEO rankings?
- □ What causes your rankings to fluctuate so much and how should you interpret these movements?
- □ Do small businesses really have an SEO advantage thanks to their agility?
- □ Why does Google mix the languages of sitelinks even with the correct hreflang?
- □ Should you organize your sitemaps by theme or language to boost your SEO?
- □ Is hreflang really essential for monolingual pages?
- □ Why do rich results rely on the canonical version in SEO?
- □ How does Google differentiate between duplicates when only the prices vary?
- □ Should you keep old pages live during an SEO migration?
- □ When should you use the 503 code to handle temporary downtime?
- □ How can you optimize a site merger using canonical tags?
- □ Why do SEO site mergers take so long?
- □ How can you ensure hidden content is indexed by Google?
- □ Should you be concerned about low-quality backlinks in SEO?
- □ Do User Comments Hurt Your SEO?
- □ How can choosing the right type of structured data transform your SEO?
- □ Is it true that having too many internal links harms your SEO structure?
- □ How can you optimize images for both quality and speed in SEO?
- □ Could Internal PageRank Sculpting Be Harming Your SEO?
- □ Should you choose rel nofollow over the PRG pattern for managing PageRank?
- □ How can you enhance your site's geolocation with a JavaScript solution?
- □ Why are internal links essential for getting user profiles indexed by Google?
- □ Why are profile pages becoming prime targets for SEO spam?
- □ Do keywords in the domain really have an impact after indexing?
- □ Why are server-side 301 redirects essential for migrating a SPA?
Official statement from
(5 years ago)
⚠ A more recent statement exists on this topic
Why Can Displaying 'Not Available' via JavaScript Kill Your Google Indexing?
View statement →
TL;DR
For SPAs, Google recommends adding a noindex robots meta tag via JavaScript and avoiding robots.txt. This allows for precise control of indexing by Googlebot, even for dynamic content.
❓ Frequently Asked Questions
Les balises noindex sont-elles prises en compte immédiatement par Google ?
Oui, mais cela dépend de la fréquence de crawl de Googlebot pour votre site.
Robots.txt est-il totalement inutile pour SPAs ?
Il n’empêche que l'URL soit indexée, mais Googlebot ne visitera pas le contenu.
Comment vérifier que mes balises noindex fonctionnent ?
Utilisez les outils pour développeurs de votre navigateur et Google Search Console pour confirmer.
🎥 From the same video 31
Other SEO insights extracted from this same Google Search Central video · published on 02/07/2021
🎥 Watch the full video on YouTube →
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