Website Security Headers & HTTPS Audit

Check URLs against multiple free threat intelligence sources: Google Safe Browsing, domain age, redirect chains, suspicious patterns, and heuristic scoring. Returns a risk score (0-100) + verdict. No API key required for basic checks. $0.005 per URL.

Security Headers Checker

s3nafps/security-headers-checker

Check public URLs for common HTTP security headers including HSTS, Content Security Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy. Export a simple website security header report as JSON or CSV.

Bulk Email Deliverability Auditor - SPF, DKIM, DMARC

technicaldost/bulk-email-deliverability-auditor

Audit SPF, DKIM, DMARC and MX for thousands of domains at once. Returns a graded deliverability score, the parsed records, and a plain-English list of what is wrong. DNS only, so it is fast and costs a fraction of a cent per domain. No API key needed.

Audit HTTP security headers for any URL: CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy. Returns a 0-100 score + letter grade + actionable findings. $0.005 per URL.

Website Security Headers Scanner (Grade, HSTS, CSP, Cookies)

scrapers_lat/website-security-headers-scanner

Scan any website and grade its HTTP security headers, cookie flags, HTTPS enforcement and TLS certificate. Letter grade A+ to F, per-header pass/fail, HSTS/CSP parsing, redirect chain, optional cert expiry and AI remediation. For audits, PCI/SOC2 prep, recon and vendor due-diligence.

Website Tech Stack Intelligence

skootle/website-tech-stack-intelligence

Explainable website technology fingerprints, confidence evidence, security headers, agent-ready lead qualification, API output, scheduling, and monitoring.

Tech Stack Detector — Bulk Website Technology Lookup

accurate_pouch/tech-stack-detector

Detect frameworks, CMS, analytics, CDN, hosting, chat tools, and more for any list of URLs. No API key needed — reads public HTTP headers and HTML.

HTTP Headers Security Audit

seeb/http-headers-security-audit

Audit public websites for important HTTP security headers and export practical risk scores, missing headers, and improvement notes for security, SEO, and QA workflows.

Cookie & Tracker Scanner - Cookies + Analytics/Ad Tags (No Key)

ninhothedev/cookie-tracker-scanner

$0.5/1K 🔥 Cookie & tracker scanner! Cookies + analytics/ad trackers (GA, Meta Pixel, Hotjar) on any URL. No key. JSON, CSV, Excel or API in seconds. Run privacy & GDPR audits ⚡

Website Security Audit - Headers, SSL & Exposure Scanner

smart-digital/website-security-vulnerability-audit

Scan any website and get a 0-100 security score with the findings behind it: missing HTTP security headers, SSL/TLS issues, exposed files and server banners, CMS admin exposure, each with a severity and a concrete fix.

Audit public HTTP response security headers, HTTPS redirect behavior, and cookie attribute exposure without scanning, attacking, or storing cookie values.