| Element | What You Might Find | |--------|----------------------| | | og:title , og:description , fb:app_id , viewport | | Security headers | CSP rules (in meta or HTTP headers) | | JavaScript file names | Obfuscated chunks like pkg.1.2.3.js | | Preloaded data | User ID, locale, CSRF token in JSON blobs | | CSS links | Critical CSS for initial paint | | Nonce values | For script-src CSP policies |

This shows you the raw HTML that builds the framework of the page.

He typed another command into the console: document.getElementById('legacy_overlay').classList.remove('hidden');