Explore the tools
Understand the limits of what you see
A server may see signals like these while processing a request. Select a row to learn what it means.
HTTP Request Headers
See the metadata sent with every web request—cookies, user agents, referrers, and more.
Explore the toolsNetwork Details
Discover your IP address, location, and ISP information derived from your connection.
Explore the toolsUser-Agent Analysis
Learn how your browser, OS, and device configuration create a unique digital signature.
Explore the toolsGreen Web Analysis
Check if websites run on renewable energy and estimate their carbon emissions.
Explore the toolsSecurity Headers Analyzer
Check a website's security posture by analyzing its HTTP security response headers. Get a security score and recommendations.
Explore the toolsUnderstand the limits of what you see
Headerly explains technical signals visible in your request. IP location can be approximate; a User-Agent is not a verified identity; security and carbon results cover limited signals.
How Headerly works
- • İstek başlıkları mevcut bağlantı üzerinden okunur.
- • Seçtiğiniz header için açıklama ve kaynak gösterilir.
- • URL analizleri hedef siteye sunucu tarafından istek gönderir.
- • Hosting sağlayıcısının erişim logları Headerly’nin kontrolünde değildir.