2nd topic you should know about: Lazy Loading

In our previous post, the 4 topics we need to talk about… we mentioned that there are topics in the digital world – that every self-proclaimed publisher who cares about their website and wants to get the most out of it and wants to give their readers the best user experience – need to follow.

In today’s series, we take a look at Lazy Load technology and reveal every detail you need to know about it.

Lazy Loading

Typically, when a user opens a web page, the content of the entire page is downloaded and displayed in one step.
Lazy loading sounds weird, but it’s a simple concept: you only load a script or image when you need it.
The opposite is eager loading, which means loading everything at once (e.g. when loading the entire page for the first time).

Use Lazy Loading

Of course, eager loading has the advantage that everything is immediately available when you need it, which is great, but there is a big downside to having to retrieve a lot of data ahead of time – even data you may never need (e.g. appear in a part of the page that the user never visits).

Lazy loading can speed up the initial load time of a page by avoiding premature downloads of unnecessary resources. It can also save users bandwidth

An example of Lazy Loading

WordPress, one of the most popular blogging platforms on the web, offers a Lazy Loading solution called Infinite Scroll.

As its name suggests, Infinite Scroll constantly loads content as the user scrolls down the page. The page footer, which is usually not available on an infinitely loaded web page, appears as an overlay below the scrolling content. WordPress claims that users read more posts when Infinite Scroll is enabled, as opposed to the traditional page-based approach.

Google takes a different approach to image search results. As the user scrolls down the page, the placeholder images are replaced by thumbnails. After displaying a certain number of images, a button can be used to load additional images. By providing this button, Google combines infinity Scroll and Lazy Loading to create a dynamic hybrid approach.

User Friendly Solution


  • Strikes a balance between optimizing content delivery and simplifying the end-user experience.
  • Users access content faster because only part of the site needs to be downloaded when the user first opens it.
  • Site owners also see more customer retention as content is continuously fed to the user, reducing the chances of the user leaving the site
  • Pages also experience lower resource costs because content is displayed only when the user needs it, not all at once.
Lazy Load vs. without Lazy Load

In summary

Simplifying web content is an essential part of shaping the user browsing experience.

Dynamically loading resources allows the user to discover more content without having to skip multiple pages or wait for the browser to refresh. If implemented well, Lazy Loading can provide additional content to the reader without the user noticing.

With Lazy Loading, websites can load faster, save bandwidth, and truly provide uninterrupted browsing.

At Ads Interactive, our partners no need to worry how to implement Lazy Loading on their website. Our IT team ensures that Lazy Loading is built into the site for all our portfolio members. By doing so, we help ensure that our clients’ pages provide a high level of user experience, and this also affects the Visibility of our ads, which we also covered in our previous post which increases your eCPM and thus your total revenue.

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