Deprecated HTML tags checker
Last submissions
About Our Deprecated HTML Tags Checker Tool
The Deprecated HTML Tags Checker tool helps you analyze any webpage and detect HTML elements that are outdated, unsupported, or no longer recommended for modern web development. Deprecated tags can negatively impact your website’s performance, SEO, accessibility, and compatibility with new browsers. This tool scans your webpage for legacy HTML tags and provides a clear report so you can update your code and ensure your website follows modern standards.
What This Tool Can Detect
Our Deprecated Tags Checker analyzes the HTML structure of a page and identifies all elements that are deprecated in HTML5 or considered obsolete in modern coding practices. It helps you detect:
- Deprecated HTML Tags: Elements like
,,,, and many others. - Obsolete Attributes: Old attributes such as
align,bgcolor, andborder. - Non-Semantic Elements: Tags that harm accessibility and SEO structure.
- Outdated Formatting Techniques: Tables used for layout, inline styling, etc.
- Recommendations for Modern Replacements: Semantic HTML5 alternatives.
Why Deprecated Tags Matter
Deprecated HTML tags were removed or discouraged in HTML5 because they cause maintenance issues, reduce accessibility, and interfere with SEO and responsive design. Keeping your website free of outdated elements ensures better performance and compatibility across all devices and browsers.
- Improves SEO with cleaner, semantic code.
- Enhances accessibility for screen readers and assistive technologies.
- Ensures compatibility with modern browsers and devices.
- Reduces layout and rendering issues caused by outdated markup.
- Supports faster loading and lower technical debt.
Common Issues This Tool Helps Detect
By scanning a webpage, the checker can uncover several development and SEO issues:
- Usage of deprecated formatting tags like
or. - Tables used for page layout instead of proper CSS.
- Inline styling replacing modern CSS classes.
- Obsolete attributes causing rendering inconsistencies.
- Accessibility problems due to non-semantic markup.
- Code bloat from outdated HTML practices.
How Deprecated Tag Detection Works
When you enter a URL, the tool fetches the webpage’s HTML and scans it for any tags or attributes listed as deprecated
in the HTML5 specifications. It then highlights each issue and provides suggestions for modern alternatives
such as
Developers, designers, and SEO professionals can use this tool to modernize legacy websites, improve accessibility,
clean up outdated templates, and prepare pages for future compatibility.
Removing deprecated tags is a crucial step in optimizing code for stability, speed, and long-term performance.
The Deprecated HTML Tags Checker is a valuable tool for upgrading your codebase, improving SEO,
and ensuring your website follows modern web standards.
Whether you're refactoring an old website, performing an SEO audit, or optimizing for better performance,
this tool helps you identify outdated elements quickly and accurately.
, , , and other semantic elements.
Advanced Insights
Final Notes
Similar tools
Get & verify the meta tags of any website.
Analyze the ratio of text content to HTML code for SEO and performance optimization.
Extract all the text of a website from the source code of the page.
Popular tools
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get all possible details about a domain name.
Website status checker.
Get approximate IP details.