Issue: All of a sudden Twitter Cards aren't being pulled for one of my clients.
URL affected: https://www.steadfast.net/blog/your-web-apps-backend-vulnerable-because-misconfiguration
It never had the meta tags before and always worked just fine. Suddenly today it's no longer working so I added the tags. Still nothing:
<meta name="twitter:card" content="summary_large_image"/>
<meta name="twitter:title" content="Is Your Web App's Backend Vulnerable Because Of Misconfiguration?"/>
<meta name="twitter:description" content="Modern web applications can be enormously complex on the backend, comprising many different services including caching, databases, queue management, load balancers, proxy servers, and analytics tools."/>
<meta name="twitter:image" content="https://www.steadfast.net/sites/default/files/your-backend-insecure-because-of-misconfiguration_0.jpg"/>