Скачать или смотреть Image Loading Attribute: Improve Website Performance in Minutes

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Most WordPress sites are loading every image on the page at once — even images the visitor will never scroll to. The HTML image loading attribute is a simple, native solution that tells the browser which images to load immediately and which ones to defer until they're actually needed. No plugins. No JavaScript. Just one attribute that can meaningfully improve your website performance scores.

In this video, we walk through exactly how the image loading attribute works and how it can hurt your performance instead of helping it. You'll learn how to use loading="lazy" to defer offscreen images, loading="eager" to force above-the-fold images to load immediately, and why applying the wrong value to your hero image is one of the most common (and easy to fix) mistakes that tanks LCP scores.

=== Chapters ===

00:00 Introduction
00:26 Use loading attribute
01:41 Add required attributes
03:55 Outro

=== FAQ — Image Loading Attribute & WordPress Performance ===

Q: What is the image loading attribute in HTML?
A: The loading attribute is a native HTML attribute you add to an img tag to control when the browser fetches that image. Setting it to "lazy" tells the browser to defer the image until it's near the viewport. Setting it to "eager" forces it to load immediately, regardless of position on the page.

Q: Does WordPress add the image loading attribute automatically?
A: Yes. Since WordPress 5.5, core automatically adds loading="lazy" to most images that have defined width and height attributes. However, WordPress 6.3+ also attempts to detect the first image in the content area and apply loading="eager" to improve LCP — though this detection isn't always perfect on custom-built pages.

Q: Can the image loading attribute hurt my PageSpeed score?
A: Yes, if misapplied. The most common mistake is lazy loading an above-the-fold image — like should use loading="eager" or simply omit the loading attribute entirely.

Q: Do I need a plugin to control lazy loading in WordPress?
A: Not necessarily. The native loading attribute requires no JavaScript and no plugin — you can apply it directly in your page builder or template code. That said, plugins like WP Rocket give you more granular control, including lazy loading for CSS background images, which the native attribute doesn't cover.

Q: Does lazy loading affect SEO?
A: Native HTML lazy loading (via the loading attribute) is fully crawlable by Google. As long as images have a valid src attribute, Googlebot can index them normally. JavaScript-based lazy loading approaches are generally safe too, but the native attribute is the most reliable option for SEO.

Q: What's the difference between loading="lazy" and loading="eager"?
A: loading="lazy" defers an image until the user is about to scroll to it — this improves initial page load time and reduces bandwidth. loading="eager" tells the browser to fetch the image as soon as possible, which is the right choice for any image visible in the first viewport.

Q: Does the image loading attribute work on iframes?
A: Yes. The loading attribute also works on iframe elements — useful for deferring embedded maps, videos, and other third-party iframes that would otherwise block page rendering.

=== Related Resources ===

– Breakdance Builder (design & performance for WordPress): https://breakdance.com/
– Oxygen Builder (developer-first WordPress builder): https://oxygenbuilder.com/
– WP All Import (bulk data import for WordPress): https://wpallimport.com/

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