Check how URLs redirect. Due to browser CORS limitations, use external services for accurate results.
| 301 | Permanent Redirect - SEO passes to new URL |
| 302 | Temporary Redirect - SEO stays with original |
| 303 | See Other - Used after POST requests |
| 307 | Temporary Redirect - Preserves request method |
| 308 | Permanent Redirect - Preserves request method |
Domain registration info
Parse user agents
Check SSL certificates
Check open ports
Create OG tags
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