From my point of view the most effective strategy of link building is Guest poting. But only guest posting is not enough to building links for your website. There are many strategies in the market to do link building. So lets talk about all the strategies to do link building.
Firstly I'm going to talk about
Guest posting/ BloggingGuest blogging is defined as authoring and publishing an article on someone else's website. It is a very effective approach for link building. You'll need to approach your industry-specific websites first, and then send them an outreach email.
Participate in social mediaSocial media has transformed marketing, and it may be a tremendous help with your link-building strategy and guest-posting efforts. You're doing your brand a disservice if you're not active on social media.
HAROHARO is a free website that connects journalists with sources for upcoming stories and allows sources to respond to questions on a daily basis.
One of the easiest strategies to gain backlinks from authoritative sites is to use HARO (short for Help a Reporter Out).
Commenting on a blogParticipating in the website's comments area by posting valuable remarks on posts or blogs relating to your sector is referred to as blog commenting.
These are some strategies that I know to do link building. If you want to know more about link building and link building strategies then there is a blog on Google that can help you to learn about link building. Take a look on this: Best
Link Building Strategies