Upgrade to 5.1.1 and page does not render well

[agdavid]

What did you expect to happen?

No changes in page rendering

What happened instead?

CSS styles are rendering as text on the page and showing

How can we reproduce this behavior?

Visit: https://www.empiricus.com.br/?s=dobro+

Technical info

• WordPress version: 5.1.1
• Algolia Search plugin version: WordPress 2.11.3
• HS ticket