Tumblr users have always had the option of marking their account as NSFW, and since around 10% of Tumblr is porn, people were generally pretty good at labelling their blogs.
However, under Tumblr’s new content restrictions, posts from Adult-rated blogs will no longer show up on tags. Any tags. Also, Tumblr is able to flag your account as Adult without you labelling it as such—although users do have the option of appealing to the “Trust & Safety Team” if their feel their blog has been flagged unfairly.
Adult blogs are now unsearchable.
If your blog has been flagged as Adult, nothing you post will ever appear on Tumblr’s public tag searches. Your posts will only be visible to your own followers and the followers of people who reblog your content.
This means that if you want to publicize something like a Kickstarter campaign or political message, or even to signal boost a personal plea for help, that post will still not show up on Tumblr’s internal search engine. You are cut off from everyone except your own circle of followers.
Also, Many Tumblr users are finding that some tags have disappeared entirely from Tumblr’s iPhone app.
It’s unclear whether this is directly linked to the new content restrictions, but for example, iPhone users searching the #gay, #lesbian or #bisexual tags have reported seeing the result “No posts found,” although #bi, #lgbt and #queer still produce results. [READ MORE]