Apart from on-page SEO, Off-page SEO plays a very important role in website ranking. Read this blog to know how to plan an SEO strategy to get your website up.

You can manually find many guest post sites. I also do that. You can use advance search operators:

allinurl:writeforus your niche allinurl:guestpost your niche allintext:writeforus your niche (you can try many variations like that)

for example:

allinurl:guestpost digital marketing allinurl:writeforus web design

There is no one answer to this question. Your website ranking depends on many factors like your industry niche, your target audience, and the content you're publishing. However here are some ways to increase your website traffic:

1. Create unique and fresh content
2. Email marketing
3. Social Media Marketing
4. Paid campaigns
5. Create Backlinks
6. SEO ( On-page & Off-page SEO)

On-Page SEO includes Relevant keywords, meta description, meta title, page title, URL, headers, images or videos, and infographics.

Off-Page SEO includes Social media, Guest posting, Content marketing, PR, forums, link building, and brand building...