Dec 22, 2025 · Understand the security, performance, technology, and network details of a URL with a publicly shareable report.

Das Portal test.de ist der Internetauftritt der deutschen Stiftung Warentest. Unter test.de sind alle seit dem Jahr 2000 in den Zeitschriften Stiftung Warentest (früher test) und Stiftung Warentest …

Free HTTP testing tools to test any URL for HTTP compression, HTTP status codes, HTTP headers, HTTP protocols, URL structure, and more. Try now!

Single asset performance test from multiple locations. Analyze the TTFB, DNS, TLS and connection times for any URL.

Is this link safe? Scan a URL you want to visit to detect malware, fake websites, and phishing attacks.

Verify a server status, downloads the full HTML content and measures the response time of the tested website.

Test URLs in bulk for their HTTP response headers, redirect chains, HTTP status codes and applicable robots.txt rules. Results quick, shareable and free. Try now!

Filter by type of website test, then hit Test URL. Is My Page Cached? * Sites with an asterisk don't auto-populate the URL after clicking Test URL. This will open a new tab or window for each of …

The HTTP Lookup will query a website URL and tell you if it responds. Use this to check and make sure your websites are responding. You can also setup a monitor on your website to …

Beginning with a start URL, our bot crawls through the HTML and CSS code of your entire website and examines all the links it can find. This includes internal page links and outbound …