When choosing titles for your images make sure to be as descriptive as possible. When you accurately describe and label your images your images tend to show in google image search which could also drive additional traffic back to your website. A properly labelled image is also great for SEO as it further tells google what your website/blog post is about.
It’s important to keep your content fresh and relevant. This will also show google that you’re actively maintaining your website, this could potentially have positive effects on your rankings. It would be helpful and beneficial if you created a content calendar, publishing content consistently can have an extremely positive effect on your website.