🆚 Lazy loading vs. Preload

Compare technologies based on real-world usage data *
⏳ Lazy loading
Preload

Type

Performance technology
Performance technology

About

Native lazy loading is a technique to load non-critical images and iframes marked with the loading="lazy" attribute only when needed.

The rel="preload" attribute on HTML <link> elements.

Headquarters

Cambridge, Massachusetts, United States
Cambridge, Massachusetts, United States

Website

html.spec.whatwg.org
html.spec.whatwg.org

Categories

Performance › Rank #1
Performance › Rank #4
Standards › Rank #9

Popularity

Determined by the number of sites using each technology.

Lazy loading performance technology is 1.6 times more popular than Preload.
Total websites

Market share

Performance

Popularity by country

Determined by the number of sites detected from each country.

Lazy loading is more popular in the United States, Germany, and the United Kingdom, while Preload is more popular in Indonesia, Cambodia, and Curacao.
United States
Germany
United Kingdom
France
Japan
Spain
Netherlands
Italy
Australia
Brazil

Awards

Popularity by domain category

Determined by the number of sites in each category.

Lazy loading is more popular among sites focused on business, online shopping, and marketing and merchandising, while Preload is more commonly used on games sites.
Business
Online Shopping
Marketing/Merchandising
Blogs/Wiki
Education/Reference
Internet Services
Entertainment
Health
General News
Sports

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#3
#13
#16
#17
#20
View more ➝
Name
Rank
#2
#3
#4
#5
#7
View more ➝

See also

* According to recent studies, many of online reviews are fake.
When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.