tumblr (@tumblr) — Twitter Score 26 out of 1000

Tumblr is a microblogging and social networking platform was co-founded by David Karp and Marco Arment and is currently operated by Automattic. Tumblr's Twitter Score is 26 out of 1000 as of August 2026, ranking #37,960 (top 10%) among 483,944 tracked accounts.

Tumblr was co-founded by David Karp, who served as its Founder and CEO, and Marco Arment, who served as its chief technology officer. The platform launched as an independent product before attracting backing from investors including Spark Capital, Union Square Ventures, Sequoia Capital, Greylock Partners, and Insight Venture Partners, all of whom are former backers. Yahoo announced an agreement to acquire Tumblr for $1.1 billion in cash on May 20, 2013, making it one of the most prominent social media acquisitions of that period. Tumblr subsequently passed to Verizon before Automattic acquired it in 2019, bringing it under the same umbrella as WordPress.

Tumblr has built its identity around community, art, fandom, and culture, distinguishing itself from other social platforms through its emphasis on creative expression and long-form multimedia posts. The account has accumulated 1,929,012 followers as of August 2026 on Twitter and has published 41,981 posts. Tumblr has been mentioned by 736 accounts, with 2,698 total mentions.

Who follows Tumblr on X?

The accounts that follow Tumblr include 82 founders, 30 angel investors, 32 influencers and 13 VCs. Among them are Marc Andreessen, Tyler Winklevoss, Alexis Ohanian, Mario Nawfal, Fred Wilson and Alex Atallah.