Want to improve site seo

Is it a wordpress site? If so, try downloading "Yoast SEO" or "All-in-One SEO" they are pretty good for beginners. Especially the Yoast one.

yoast is free u can upgrade it to open more features. i am using it on my website.

ranking effected by many of factors:-
1.firstly remove all your broken links.
2.check your url structure.
3.update your metas with tittle, description, Htags, cannonical.
4.check duplicate data.
5.image alt tag.
6.remove your all back links,if there is any harmful link, then immediately remove it.
7.indexing speed of your website.
8.bounce rate.
9.update sitemap.

Prior anything else first focus on your on page SEO so that it gets checked from all page errors and then focus on off page activities

To start with website SEO, first you need to do a website audit to check SEO errors in your website. You can do that by using SEO audit tools like Screamingfrog.co.uk This will give you information about all html error, redirection issues, crawling errors, indexing issues, page title, meta description, search snippets, canonical errors and much more.

Optimize your site with target queries. You can get an idea about target keywords from Google Analytics tool. It will give you keyword suggestions. You can pick appropriate keywords for your business website.

It includes url structure, title, meta description, meta keywords, heading tags, internal linking.
After getting all those fixed, focus on website content and its online marketing which we called as off page optimization. You can create various sources to do the same. It includes creating community profiles, social media profiles including twitter, facebook etc.
If your website is new, then you can focus on some other sources that can easily come up on search results. It includes creating blog on sites like Wordpress, blogspot etc.
Keep sharing your content online with target search queries, proper hashtags and titles.

at first i suggest, you need to SEO Audit for your site . then you may know what problem in your site and this is the powerfull way.