Advantages
- Simple, fast, cheap. The site is assembled from modules as from Lego parts.
- There are many ready-made design templates.
- Perfect for something simple like a business card or portfolio.
Disadvantages
- Slowly, sometimes very slowly, pages open (up to 6 seconds), which is very critical for commercial sites.
- In the free and cheap version, the site will contain third-party advertisements and even possibly your competitors.
- There is no way to fix the code, which is very important for SEO promotion in search engines.
- Errors with adaptation for smartphones are possible that are difficult to fix.
- As a rule, it is impossible to transfer a site to another hosting.
Conclusion
When choosing a platform for your site, first carefully study as many reviews and opinions of experts as possible.