ContentKing
SEO Alerts
Paid
Real-time SEO Auditing and Content Tracking.
Visit Tool
Little Warden
SEO Alerts
Paid
Daily checks for things that go wrong and can have a huge impact on your business.
Visit Tool
SEO Radar
SEO Alerts
Paid
SEORadar monitors your pages for SEO specific changes and alerts users to issues with potential dire SEO consequences.
Visit Tool