So with Lazy Loading turned on the images from FB appear to get wrapped in a tag:
<noscript>
<img src="https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-9/p720x720/78172745_3205487049525020_6587625421334904832_o.jpg?_nc_cat=107&_nc_sid=b386c4&_nc_oc=AQkcoOP7GGNiU3Ks28bKDc_lwnCWCzkBcUCF2cewOy4Eq9lJ5y0zuicf1bcFcHE9HbY&_nc_ht=scontent-iad3-1.xx&_nc_tp=6&oh=2e4a1250c34800f591a2d1e74201d34a&oe=5EFF3A2F" alt="Lake Jocassee" data-querystring="_nc_cat=107&_nc_sid=b386c4&_nc_oc=AQkcoOP7GGNiU3Ks28bKDc_lwnCWCzkBcUCF2cewOy4Eq9lJ5y0zuicf1bcFcHE9HbY&_nc_ht=scontent-iad3-1.xx&_nc_tp=6&oh=2e4a1250c34800f591a2d1e74201d34a&oe=5EFF3A2F" />
</noscript>
After this is a generated URL but that doesn’t load anything, this is the source after:
<img class="lazyload cffFadeIn" src="data:image/svg+xml,%3Csvg%20xmlns=%22https://www.w3.org/2000/svg%22%20viewBox=%220%200%20210%20140%22%3E%3C/svg%3E" data-src="https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-9/p720x720/78172745_3205487049525020_6587625421334904832_o.jpg?_nc_cat=107&_nc_sid=b386c4&_nc_oc=AQkcoOP7GGNiU3Ks28bKDc_lwnCWCzkBcUCF2cewOy4Eq9lJ5y0zuicf1bcFcHE9HbY&_nc_ht=scontent-iad3-1.xx&_nc_tp=6&oh=2e4a1250c34800f591a2d1e74201d34a&oe=5EFF3A2F" alt="Lake Jocassee" data-querystring="_nc_cat=107&_nc_sid=b386c4&_nc_oc=AQkcoOP7GGNiU3Ks28bKDc_lwnCWCzkBcUCF2cewOy4Eq9lJ5y0zuicf1bcFcHE9HbY&_nc_ht=scontent-iad3-1.xx&_nc_tp=6&oh=2e4a1250c34800f591a2d1e74201d34a&oe=5EFF3A2F" style="visibility: hidden; display: none;">
With Lazy Loading turned off it simply loads the following:
<img src="https://scontent-iad3-1.xx.fbcdn.net/v/t1.0-9/p720x720/78172745_3205487049525020_6587625421334904832_o.jpg?_nc_cat=107&_nc_sid=b386c4&_nc_oc=AQkcoOP7GGNiU3Ks28bKDc_lwnCWCzkBcUCF2cewOy4Eq9lJ5y0zuicf1bcFcHE9HbY&_nc_ht=scontent-iad3-1.xx&_nc_tp=6&oh=2e4a1250c34800f591a2d1e74201d34a&oe=5EFF3A2F" alt="Lake Jocassee" data-querystring="_nc_cat=107&_nc_sid=b386c4&_nc_oc=AQkcoOP7GGNiU3Ks28bKDc_lwnCWCzkBcUCF2cewOy4Eq9lJ5y0zuicf1bcFcHE9HbY&_nc_ht=scontent-iad3-1.xx&_nc_tp=6&oh=2e4a1250c34800f591a2d1e74201d34a&oe=5EFF3A2F" style="visibility: hidden; display: none;" class="cffFadeIn">
Inlcuding the class ‘cffFadeIn’ doesn’t seem to stop the noscript tag