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Mozilla Shuts Down Solo Website Builder

The LLM-powered site builder and hosting service ends operations on November 30, 2026, with all sites and data deleted.

Updated on Nov. 13, 2026 in Artificial Intelligence

Isometric editorial illustration of sealed cardboard boxes beside an open server rack with cables coiled on the floor, representing the closure of a web hosting service.
Mozilla will shut down its Solo website builder and hosting service on November 30, 2026, deleting all sites and data, with users told to export files and move domains to Name.com. AI Illustration. Upload story photo >

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Mozilla is shutting down Solo, its LLM-powered website builder and hosting service launched in December 2023 as a Mozilla Innovation Project. Solo will cease operations on November 30, 2026, when all sites and data will be deleted.

Why it matters

Solo was aimed at helping sole traders build webpages for their services, and roughly 54,000 people used its LLM to build pages. Mozilla stated that sometimes its mission requires ending a product.

Solo provided hosting for user pages, including custom domain names, and its LLM was used by approximately 54,000 people to build pages. Users must export their content before the November 30, 2026 deletion, with images downloaded separately from the ZIP export.

The players

Mozilla

Mozilla is the nonprofit organization behind the Firefox browser, known for its open-source software and advocacy for an open internet.

The details

Users can download a ZIP containing an HTML export, contact form and newsletter submissions, and a CSV linking to their images, but images must be downloaded separately. Domains purchased through Solo Domains must be moved to Name.com, and Mozilla will handle the transfer after users create an account and supply its code.

Timeline

  1. December 2023: Solo launched as a Mozilla Innovation Project.

  2. October 1, 2026: Mozilla first notified users of the shutdown.

  3. November 13, 2026: The Register reported the shutdown announcement.

  4. November 30, 2026: Solo ceases operations and all sites and data are deleted.

Tech Race

Solo was one of Mozilla's experimental Innovation Projects, and its closure shows how the company is pruning products to focus on its core mission. The shutdown contrasts with the broader wave of AI-assisted website builders that continue to attract small-business users.

Solo users who built pages with the tool must download their HTML export, form submissions, and images before the November 30, 2026 deletion. Those with Solo Domains purchases need to move them to Name.com, with Mozilla handling the transfer once an account and code are provided.

The takeaway

Users of any hosted service should keep local backups of their content and domain registrations so that a product shutdown does not leave their pages unrecoverable.

What happens next

Solo sites and data will be deleted on November 30, 2026, so users who need their content should complete exports before that date.

Further reading

Explore more Artificial Intelligence coverage to see how LLM-powered tools are being built and retired across the industry.

Source note: This article includes information reported by TheRegister.

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