Official statement
If a necessary JavaScript file for rendering is blocked for search engines (for example via robots.txt), Google will only index the initial HTML, not the content generated by JavaScript after execution.
3:43
Other statements from this video 14 ▾
- 1:36 How is Google aiming to eliminate unnecessary content with this new update?
- 1:36 Why Are Google’s New Anti-Spam Policies a Game Changer for SEO?
- 3:43 Why doesn't Googlebot always see the same HTML as users?
- 16:17 Could consent banners be messing with your SEO indexing?
- 17:31 Why is rendering a major challenge for SEO?
- 17:31 Why does Googlebot ignore user interactions?
- 17:31 Could using noindex in the initial HTML actually sabotage your SEO?
- 20:30 How can you optimize pages for robust indexing without JavaScript?
- 20:30 Is Server-Side Rendering Essential for Optimizing Large Websites?
- 25:48 Why is the indexing of your pages still a mystery to Google?
- 29:54 Why should you use the img tag instead of a CSS background-image for SEO?
- 32:03 Is it true that Google can overlook misleading update dates on websites?
- 35:49 Why Doesn't the Author Info Location Affect SEO Rankings?
- 36:55 How does Google decide if a video is the main content of a page?
Official statement from
(2 years ago)
⚠ A more recent statement exists on this topic
Why Are Your Pages Disappearing from Google with the 'Pages Indexed Without Cont...
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TL;DR
Blocking a vital JavaScript file prevents Google from accessing rendered content. The direct consequence: Google indexes only the basic HTML. SEO suffers if dynamic content remains invisible.
🎥 From the same video 14
Other SEO insights extracted from this same Google Search Central video · duration 44 min · published on 28/03/2024
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