https://www.lancers.dev/qr-scanner/ weekly 1.0 https://www.lancers.dev/qr-scanner/features.html monthly 0.8 https://www.lancers.dev/qr-scanner/offline-qr-scanner.html monthly 0.8 https://www.lancers.dev/qr-scanner/secure-qr-scanner.html monthly 0.8 https://www.lancers.dev/qr-code-scanner-privacy-policy.html yearly 0.2