Sophie Roy

it depends on the amount of traffic and new users visiting your website. the position of websites changes daily according to google. the factors which may affect position are thin content available on the website, keyword stuffing, etc

There are lots of online tools avaialble to find out the traffic of competitors like ahrefs, similarweb, seoviewtools, semrush, etc

Yes, u may need marketer in your it team as there the only people who have a great idea of what your clients need from you. they study the current market trends and help you to grow your business at a large scale.
Also, the marketer will promote run campaigns for your websites helps you to reach your targeted audience.