Write once, link back. Editorial standards vary widely. There are 183 in this list, 159 of them free or with a free tier. Every entry shows what it costs, how much work it takes, and links straight to the submission page.
Send a short note about a genuinely delightful web project; the editor links to things that catch his interest.
Publish a print or ebook guide on Lulu and add your website to the book description and author profile.
Use the free plan to publish a public newsletter archive or landing page that links to your site.
Create a free static site you code yourself, add genuine content, and link to your projects.
Start a free newsletter or blog and publish useful posts that link to your site.
Publish your OpenAPI reference docs with Redocly and link back to your product and signup.
Deploy a free static docs or demo site from a Git repository and link it to your project.
Host your podcast and add your website to show notes and the podcast profile page.
Upload an unpublished evaluation study or research poster about your privacy or accessibility method with supporting code and data.
Create a genuine audio profile, add the website link and publish useful demo or education tracks.
Publish an original tool/privacy show and place contextual your tool links in HTTPS show notes.
Design your API and publish public docs with a link to your product.
Publish a static demo or docs site from the command line and link to your main project.
Publish your OpenAPI definition publicly on SwaggerHub with a link to your product docs.
Write or improve a how-to article where you have real expertise, and cite sources properly.
Publish/pitch dev-tool article if accepted.
Publish a simple blog by syncing a folder of text or Markdown files, and link to your own projects.
If you use a HEY account, publish blog posts by email to your public HEY World page with links to your work.
Turn a public Notion page into a fast website with a custom domain or subdomain and link it to your product.
Host a podcast with its included website and add links to your site in episode notes.
Host your podcast and use the included show site and notes to link to your website.
Build a site or blog on a paid plan, typically for a project or brand page that links to your main product.
Host a podcast and use the built-in website and show notes to link to your product.