404 Page
Definition
A 404 Page, often referred to as a '404 Not Found' page, is a standard response code in HTTP that indicates the server could not find the requested resource. This can happen for various reasons, including a broken link, an outdated URL, or the page being moved or deleted. In the realm of User Experience (UX), the design and content of the 404 Page are crucial as they determine how users react when they encounter this error.
From a usability standpoint, an effective 404 Page should not only inform users that the page they were looking for doesn't exist but also offer guidance on what to do next. This could include links to popular sections of the website, a search bar, or a clear pathway back to the homepage. A well-crafted 404 Page enhances user experience by minimizing frustration and helping users navigate the site effectively, even when they encounter an error.
Furthermore, the 404 Page serves as an opportunity for brands to maintain their identity and engage users, using humor or creative design elements to soften the blow of the error. This aligns closely with the principles of usability, where user-centered design is essential for retaining visitors and encouraging them to continue exploring the site.
Expanded Definition
The concept of the 404 Page originated with the HTTP protocol, which allocates specific status codes to communicate with web browsers. The 404 status code specifically indicates that a user has requested a page that the server does not recognize. This error can arise from various user actions, such as clicking a broken link, typing an incorrect URL, or navigating from an outdated bookmark.
Historically, the treatment of 404 Pages has evolved, with many websites now opting for custom-designed error pages that reflect the site's branding and tone. Instead of a generic message, these pages can provide solutions, entertainment, or even a touch of humor, transforming what could be a negative experience into a positive one. The goal is to maintain user engagement and guide them back to valuable content on the site.
Key Activities
Designing user-friendly 404 Pages that align with branding.
Implementing redirects for broken or outdated URLs.
Analyzing user behavior on 404 Pages to improve navigation.
Creating links to relevant content or the homepage from the 404 Page.
Testing the effectiveness of different 404 Page designs through A/B testing.
Benefits
Improves overall user experience by reducing frustration.
Encourages users to continue exploring the website instead of leaving.
Helps maintain brand identity and voice, even in error situations.
Provides an opportunity to offer helpful content or features, such as search functionality.
Can gather insights into user behavior and common navigation issues.
Example
A popular e-commerce website encountered a high rate of users landing on its 404 Page due to broken links from marketing emails. To combat this, the team designed a custom 404 Page that featured a friendly message, a search bar, and links to trending products. As a result, they observed a decrease in bounce rates and an increase in product views from users who interacted with the 404 Page.
Use Cases
When a user clicks on a broken link in an email campaign.
When a webpage has been removed or relocated without proper redirects.
During site maintenance or updates that temporarily affect URL availability.
When a user types an incorrect URL into the browser.
When navigating from an outdated bookmark.
Challenges & Limitations
Designing a 404 Page that is both informative and engaging can be challenging.
Tracking user behavior on 404 Pages can be difficult without proper analytics tools.
Some users may still leave the site despite having an engaging 404 Page.
Custom solutions can require ongoing maintenance and updates as content changes.
Tools & Methods
Google Analytics for tracking user behavior on 404 Pages.
A/B testing tools to evaluate the effectiveness of different 404 designs.
Content management systems (CMS) for creating and managing custom 404 Pages.
SEO tools to identify broken links and monitor site health.
Web design tools for creating visually appealing error pages.
How to Cite "404 Page" - APA, MLA, and Chicago Citation Formats
UX Glossary. (2025, February 11, 2026). 404 Page. UX Glossary. https://www.uxglossary.com/glossary/404-page
Note: Access date is automatically set to today. Update if needed when using the citation.