Iframe Compatibility Tester
Test any website URL for iframe embedding compatibility and security restrictions
Website URL to Test
Compatibility Results
Detected Restrictions
Enter a URL to test iframe compatibility
We'll check for X-Frame-Options and CSP restrictions
Live Preview
Test a URL to see live preview
If embedding is allowed, the website will appear here
When to Use Iframe Compatibility Tester
Web Development Projects
Test third-party content before integrating it into your website. Avoid embedding failures in production environments.
Content Management Systems
Verify that external widgets, videos, and interactive content can be embedded in your CMS before adding them to pages.
Educational Platforms
Check if educational tools, simulations, and interactive content can be embedded in learning management systems.
Marketing Campaigns
Test if promotional content, surveys, and interactive marketing materials can be embedded on partner websites.
API Integration Testing
Verify that API-powered widgets and embedded applications work correctly across different domains and contexts.
Security Auditing
Audit websites for proper iframe security headers and ensure they follow best practices for preventing clickjacking attacks.
Frequently Asked Questions
What is an Iframe Compatibility Tester?
An iframe compatibility tester is a developer tool that checks whether a website can be embedded in an iframe on another domain. It analyzes HTTP security headers like X-Frame-Options and Content-Security-Policy to determine if there are any restrictions that would prevent the site from loading in an iframe.
How do I test if a website can be embedded in iframe?
Simply paste any website URL into our input field and click "Test Iframe Compatibility". The tool supports all URL formats including game embeds, video embeds, widgets, and any other web content. It will analyze the site's HTTP headers and provide a detailed report with live preview if embedding is allowed.
What is X-Frame-Options and how does it affect iframe embedding?
X-Frame-Options is an HTTP response header that controls whether a webpage can be embedded in an iframe. The possible values are: DENY (blocks all iframe embedding), SAMEORIGIN (allows embedding only on the same domain), and ALLOW-FROM (allows embedding only from specific domains). This header helps prevent clickjacking attacks.
Is this iframe testing tool free to use?
Yes, our iframe compatibility tester is completely free with no registration required. You can test as many URLs as you need to check their embedding compatibility. There are no usage limits or premium features - all functionality is available for free.
What should I do if a website cannot be embedded?
If a website blocks iframe embedding, you have several options: contact the site owner to request embedding permission, use alternative embedding methods like server-side proxies, implement the content as a popup or modal instead, or simply link to the content directly rather than embedding it.
What is Content-Security-Policy and how does it relate to iframes?
Content-Security-Policy (CSP) is a security header that can control iframe embedding through the frame-ancestors directive. Values like 'none' block all embedding, 'self' allows same-origin embedding only, and specific domains can be whitelisted. CSP provides more granular control than X-Frame-Options.
What types of URLs can I test?
You can test any valid URL format including: game embeds, video embeds, social media embeds, widgets, web applications, and any other web content. The tool automatically adds https:// if no protocol is specified and supports all domains and URL structures.
Is my data safe when using this tool?
Yes, your data is completely safe. The tool only makes HTTP HEAD requests to check headers - it doesn't store or transmit your URLs to any third parties. All testing happens in real-time and no data is logged or saved on our servers. Your privacy is fully protected.
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