- In August 1999, Blogger was launched by Pyra Labs. As one of the earliest dedicated blog-publishing tools, it is credited for helping popularize the format.
- In February 2003, Pyra Labs was acquired by Google under undisclosed terms. The acquisition allowed premium features that Pyra changed to be free. About a year later, Pyra Labs’ co-founder, Evan Williams, left Google.
- In 2004, Google purchased Picasa; it integrated Picasa and its photo sharing utility Hello into Blogger, allowing users to post photos to their blogs.
- On May 9, 2004, Blogger introduced a major redesign, adding features including CSS-compliant templates, individual archive pages for posts, comments, and posting by email.
- On 14 August 2006, Blogger launched its latest version in beta, codenamed Invader, alongside the gold release. This migrated users to Google servers, as well including some new features.
- In December 2006, this new version of Blogger was taken out of beta.
- As of May 2007, Blogger has completely moved over to Google operated servers.
- It currently hosts a huge number of blogs, ranging from the personal to those used purely for business. Some blogs get large numbers of visitors every day yet remain hosted on Blogger’s free service.