🆚 404 Not Found page vs. Warning page
Compare technologies based on real-world usage data *- 📈 404 Not Found page is twice as popular as Warning page.
- 🌎 404 Not Found page is more popular in the United States, China, and Japan.
- 🌍 Warning page is more popular in Russia.
Type
About
A 404 Not Found page is a type of webpage shown to users when a requested URL does not correspond to any existing content on the site.
These pages are usually triggered by an HTTP 404 status code and are used for invalid or removed URLs. They may include custom designs, navigation links, search functionality, and branding.
A warning page returned by an intermediary service (such as Cloudflare) indicating issues with the requested webpage.
Website
HTTP 404Categories
Popularity
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Market share
Popularity by country
Determined by the number of sites detected from each country.
Popularity by domain category
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Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
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.