Making a note to self.
Before adding <meta name="viewport" content="width=device-width, initial-scale=1.0"> to this blog
After adding <meta name="viewport" content="width=device-width, initial-scale=1.0">
A single change like this should not make such a massive difference taking usability from D+ to A+. What this tells if anything IMO is the unreliability of this tool as a health check for SEO.
Ran again and this time I got
The issue is Page Speed Insights which this time gave
Let me know your thoughts in the comments.