Promoting a site with no budget is possible, and it is how most small businesses start. What changes is not the result — it is the timeline and the effort. Free almost always means “you do it”.
1. A Google Business Profile
If your business serves a town or a neighbourhood, this is the first place. Registering is free, it puts you on the map and in local results, and it usually pays off faster than anything else that costs nothing.
2. Directories and search sites in your field
There are directories and specialised search sites in practically every trade. Being listed brings two gains at once: visits from people looking there, and a link pointing at your site, which helps you in search. It is the same principle as backlinks.
3. Social networks, pointing to the site
Posting is free. The common mistake is keeping the person inside the network: put the site address in the profile, in the highlights, in video descriptions. The point of every post is to get the person out of there.
4. Groups, forums and communities
Genuinely answering questions in groups in your field works. Pasting your link into every message does not — it reads as spam and costs you your standing. The test is simple: would your answer still be useful if you had no link to include?
5. E-mail to people who are already customers
A small list of people who have already bought pays better than a big list of strangers. It is the cheapest channel and the most ignored.
6. Content that answers questions
Every question your customers repeat is a page that can bring visits for years. It does not have to be long. It has to answer.
7. Where free hits its limit
All of these work, and all of them depend on you repeating the effort every week. The most tiring part is the second one — registering the site, one at a time, in dozens of places. That is the half that takes patience, and the half that keeps paying afterwards.