Conclusion:
We are 95% confident that the growth in monthly organic sessions will be between:
Top: 13,800
Bottom: -4,100
That said, the results of this test are inconclusive.
Results: Changing H2 to H1 had no statistically significant difference
To back up their claims, Google’s algorithm doesn’t seem to care if we use an H1 or H2 for our title. We’ll likely see the same results if we use an H3, H4, or no title tag at all.
It should be noted that our title still needs to do:
Use large fonts
Set at the beginning of the article
Clearly, Google can easily understand
It should be noted that while this experiment does not definitively prove that the H1 is not a ranking factor, it simply shows that we were unable to find a statistically significant difference between using an H1 and an H2.
Does this settle the debate? Should SEOs err on the side senegal mobile database of caution and throw out all these recommendations about using H1s?
No, not exactly...
Why You Should Also Use H1
Even though Google seems to be able to figure out the vast majority of titles one way or another, there are several good reasons why it’s a good idea to continue using H1s as an SEO best practice.
1. H1 helps with accessibility
Screen reading technology can use H1s to help users navigate your content, including display and search functions.
2. Google may use H1 instead of title tag
In some rare cases — such as when Google can’t find or process your title tag — they may choose to extract the title from another element on the page. Usually an H1.