Uploaded August 2025 | Updated September 2026, 2 weeks ago
Optimize your website's performance with lazy loading techniques. In this episode, John Mueller and Martin Splitt discuss lazy loading, and its SEO implications. Find out how lazy loading affects indexing, ranking, and Core Web Vitals. Whether you're using native lazy loading or custom JavaScript libraries, this episode provides insights for developers on how to enhance website speed and user experience.
Resources:
Episode transcript → https://goo.gle/sotr098-transcript
Chapters:
0:00 - Introduction
0:43 - What is lazy loading?
1:57 - HTTP chunking
3:13 - Primary drivers behind lazy loading
6:19 - Why not default lazy load all images?
8:29 - Lazy loading and SEO
8:39 - Impact to Core Web Vitals
9:17 - Largest contentful paint
9:58 - Affecting indexing and ranking
11:30 - Custom libraries for lazy loading
14:17 - How to recognize a problem
15:25 - Practical point of view
16:52 - Infinite scroll vs. lazy loading
19:31 - Lazy loading videos
20:51 - Small images and decorative images
23:16 - Where to chat about lazy loading images
23:55 - Outro
Listen to more Search Off the Record → https://goo.gle/sotr-yt Subscribe to Google Search Channel → https://goo.gle/SearchCentral
Search Off the Record is a podcast series that takes you behind the scenes of Google Search with the Search Relations team.
#SOTRpodcast #SEO
Speaker: Martin Splitt, John Mueller
Products Mentioned: Search Console
Optimize your website's performance with lazy loading techniques. In this episode, John Mueller and Martin Splitt discuss lazy loading, and its SEO implications. Find out how lazy loading affects indexing, ranking, and Core Web Vitals. Whether you're using native lazy loading or custom JavaScript libraries, this episode provides insights for developers on how to enhance website speed and user experience.
Resources:
Episode transcript → https://goo.gle/sotr098-transcript
Chapters:
0:00 - Introduction
0:43 - What is lazy loading?
1:57 - HTTP chunking
3:13 - Primary drivers behind lazy loading
6:19 - Why not default lazy load all images?
8:29 - Lazy loading and SEO
8:39 - Impact to Core Web Vitals
9:17 - Largest contentful paint
9:58 - Affecting indexing and ranking
11:30 - Custom libraries for lazy loading
14:17 - How to recognize a problem
15:25 - Practical point of view
16:52 - Infinite scroll vs. lazy loading
19:31 - Lazy loading videos
20:51 - Small images and decorative images
23:16 - Where to chat about lazy loading images
23:55 - Outro
Listen to more Search Off the Record → https://goo.gle/sotr-yt Subscribe to Google Search Channel → https://goo.gle/SearchCentral
Search Off the Record is a podcast series that takes you behind the scenes of Google Search with the Search Relations team.
#SOTRpodcast #SEO
Speaker: Martin Splitt, John Mueller
Products Mentioned: Search Console
