What is a lazy load?

Lazy load is a technique used in web design and development to shorten the loading time of a website and improve performance. With this method, images and other media content are not loaded until they appear in the visible area of ​​the browser. This can be particularly useful if a page contains many images or videos that are not immediately visible when opening the webpage.

How lazy load works

Lazy Load works based on JavaScript or jQuery to detect when a specific element enters the visible area of ​​the browser. As soon as the user scrolls or navigates on the page, the corresponding images or media elements are reloaded and displayed. This can significantly reduce page load time while also reducing server load by not having to fetch all resources at once.

Benefits of using lazy load

• Reduced loading time: By reloading images and other media content only when they are needed, the loading time of a website is significantly reduced. This leads to improved usability and performance of the website.
• Reducing data consumption: Lazy load can be particularly advantageous for mobile users with limited data volume or a poor internet connection, as not all content on a website is loaded immediately and therefore less data is used.
• Improved SEO Ranking: Since websites with faster loading time are preferred by search engines like Google, using lazy load can help improve a website’s SEO ranking.
• Reducing server load: Since the content is not loaded all at the same time, the load on the server and the bandwidth used to retrieve the resources are reduced.

Disadvantages of lazy loading

Despite the numerous advantages, there are also some disadvantages to using lazy load. Since this technology is based on JavaScript or jQuery, users who have disabled these scripting languages ​​in their browser may experience problems displaying content. Additionally, implementing lazy load can cause complications with dynamically loaded content such as AJAX or infinite scroll.