Usability. It is worth taking care of the site’s speed of loading, to remove pop-ups and unnecessary advertising. Also, special attention should be given to the development of the interface and navigation on the site - any information should be easy to find.
Your website should contain interesting and regularly updated content. You can replenish the resource with new articles, pictures, create new sections (for example, a forum or FAQ). It will also be useful to organize a newsletter with the latest articles from your site and an RSS feed.
Design. Depending on the financial possibilities, you can use either a ready-made template or create a unique one by yourself or order it, but the last one requires additional financial investments.
Promotions, discounts, competitions. Thats all significantly increase the attendance of the site.
Email marketing will increase attendance and keep the attention of its regular visitors. You can use several mailings, but in this case you will have to create unique materials in a double quantity. It is also important to monitor the quality of information and to post truly unique articles in each issue.