# Http Only (Technical Attribute)
> HttpOnly is a specialized security attribute used in HTTP cookies to prevent client-side scripts from accessing sensitive data. It is a fundamental component of modern web security designed to mitigate the effects of Cross-Site Scripting (XSS) attacks.
- URL: https://optimly.ai/brand/http-only
- Slug: http-only
- BAI Score: 5/100
- Archetype: Phantom
- Category: Technology Standard
- Last Analyzed: April 11, 2026
## Buyer Intent Signals
Problems: Manual Header Configuration: Setting cookie attributes manually in server-side code (Node.js, Python, PHP, etc.) to prevent XSS access. | Security Consultancy: Hiring a cybersecurity firm to audit and remediate session management vulnerabilities.
Solutions: Http Only company headquarters | best security tools called Http Only | how to set httponly cookie | Web Framework Defaults: Using standard web framework security middleware (like Helmet for Express or Django SecurityMiddleware) that includes HttpOnly by default.
Comparisons: Http Only software pricing | httponly vs secure flag