Unfortunately, there is no correlation between writing a lot and more often and getting more traffic. This depends on many different factors, such as your audience, whether the subject is more or less interesting, and so on. Therefore, there is no universal length to follow, but there are diverse recommendations.
In the quality analysis provided by the Nelio Content Tools, you can check if, based on expert recommendations, the length of the text is correct. The criterion followed by Nelio Content is that the length of a post should be at least 700 words and ideally be 1,000 words long. This way you can be sure that the length of your posts is the minimum recommended for SEO:
In the previous screenshot you can see the message Copy length looks good.
Please, do not hesitate to contact us if you need to change the lenght values by default.