Is Moz not finding the H1s?

[jgoethert]

Our theme adds a class to our site's H1s. For example:
Our front page:

...

The blog:

...

As a result, Moz is not seeing the keyword in titles when checking using Page Optimization. The theme developer says there is no setting to turn off in order to test this. 
My question is, is this a true issue that is hurting our site or is Moz simply not finding it because it only looks for

? Are there other options for troubleshooting this potential issue?

Thanks for your future answers.
John

[jgoethert]

Thanks effectdigital, Screaming Frog did show H1s on blogs so I am going to assume it is a non-issue.

[effectdigital]

If you want I can run your pages through a non-rendered (source only) crawler and see what gets picked up (would need the domain and the types of page you want me to look at, though). If you want to do it yourself I recommend picking up the free version of Screaming Frog SEO Spider which you can download here: https://www.screamingfrog.co.uk/seo-spider/ - even the free version, I think, let's you crawl 500 URLs in one project (or something like that). It would easily be enough to tell what's what

[jgoethert]

Thank Shahryar89! Great info. 
I did check the site using seositecheckup.com and it did show an H1 so I am going to assume all is well.
Thanks again,

[shahryar89]

Hi,

Moz tool can be creepy at times, what you can do is that manually check your page If it' has h1 tags are there or not from Inspect element or View Source code. Plus try to use any of these tools like Google tools LightHouse, PagespeedInsights and Mobile FriendlyTest not sure if these tool would give you the answer but then you will see the most of the issues. Try this tool seositecheckup.com and you can also check by fetching a page with rendering HTML to see how does Google reads it or sees it.