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I'm not quite sure what point you were trying to make

Both are good if you know how to optimize your campaigns.

Just search online, there are many websites which sell vouchers for peanuts.

Yes... social media is important in IM... so what is your point?

You need to contact other webmasters and engage with them and see if they can link to you if you provide some good content

Guest posts
Niche edits
Forums
Press releases

I'd say content + links
The other factors barely play any role

Your site is alright so you need to build some decent links and maybe promote it on social media

+Improve your content
+Acquire some good links

PBN = private blog network
But... now so many create blog networks and sell links and those are PUBLIC blog networks as anybody can buy links there.

it really depends what you want to achieve.
Ahrefs and others are quite expensive for bloggers so it's better to use cheaper or free tools like GSC

Just don't build spammy links and you'll never have to deal with this problem.

G Ad-Sense provides a way for publishers to earn money from their online content. It works by matching ads to your site based on your content and visitors. The ads are created and paid for by...

definition of important or importance of links?
Links are still the most important signals for all search engines to rank content.
Even if you have the best content, you won't rank for competitive...

It's not clear what you mean by the type.
Forum links
Guest post links
Link inserts
Blog comments

on top of On-Page SEO. Off-Page SEO. Technical SEO. Local SEO.
You can only have black and white hat SEO

seo writing basically means you optimize your writing for search engines.

external links which don't have nofollow attribute

It depends on how you define bounce rate.
1. Visitor comes, find info and leave - good bounce
2. Visitor comes, and returns to search engine and clicks other results - bad bounce
50%-70% is more...

Doorway pages
Cloaking
Buying links (many do it but it's still considered blackhat)
Parasites

it should work just fine.

did you manage to fix the problem?

there are some forums which still pay but it's peanuts.

16 dollars is a lot of money?

just a few bucks a month... not worth it.