We've found a couple issues that are throwing html errors:
<a href="
https://twitter.com/intent/tweet?url=https%3A%2F%2Fwww.permaseal.net%2Fabout-us%2Fnews-information%2Ftips-to-keep-your-home-dry-before-the-storms-hit&text=Tips+To+Keep+Your+Home+Dry+Before+The+Storms+Hit" target=_blank alt ="Tweet Tips To Keep Your Home Dry Before The Storms Hit" class=eb-share-twitter-btn>
Alt text is exclusive to images, this should be title text for the anchor.
<time class=eb-meta-date content=2018-05-25> Friday, 25 May 2018 </time>
This content should be datetime instead so it can be properly interpreted.