Yes, it's possible as many websites are doing great using SEO tactics to promote eCommerce website and as we know most of the quality visitors and potential leads we get from the SEO or say organic searches small percentage from the paid campaigns.
When making a new website you should consider some very important factors which make the website foundation very strong and SEO friendly as well, the points to consider are -
On-Page Optimisation -
- Platform to build your website such as if it's WordPress, Shopify or PHP etc.
- Keywords analysis and planning using google keywords planner tool, Semrush or other available tools
- Images size and quality with alt tag so that major search engines could know whats your image is about
- Optimize page titles and meta descriptions.
- Implement Headings tags
- Content formatting
- GMB Google My Business page
- Publish high-quality content
- Optimize page content
- URL optimization
- Internal and External links
- Favicon for the website
- HTTPS://www.YourWebSiteName.com - here you should have an SSL certificate
- Robots.txt file
- Sitemap submission
- Spead of the website
Now with above tasks and implementations, your website will be fully SEO friendly and major search engines can crawl to well then index the pages accordingly.
Next will be Off-Page Optimisation -
Here we need to create the quality content and share it on the web on he most relevant websites or blogs etc. to get the quality and authority backlinks to get the benefit in the ranking of the major search engines, it's an ongoing process so strategy will need to implement on regular basis. It takes time to get your website on top Google Page 1 so need patience and persistence in your efforts as well and once your website will be on page 1 then to maintain the ranking you need to make efforts continuously to remain on Page 1, if you not then someone else, so the winner will be the one who doesn't stop and implement things as the trend is changing. Hope it helps, any doubt or query share, please.