This product was not featured by Product Hunt yet. It will not be visible on their landing page and won't be ranked (cannot win product of the day regardless of upvotes).
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Passlit Openbook
See every company tracking you in real time
Every website loads tracking scripts without asking permission. Passlit Openbook detects every tracker on every site in real time. See exactly which companies are watching you and what they collect. finance.yahoo.com loaded 414 trackers on one page in May 2026. The average site loads 40+. Free to install. No account required. 50% off Shield with code PRODUCTHUNT50 at checkout.
We built Passlit Openbook after running it on finance.yahoo.com and seeing 414 trackers load on a single page visit.
Most people have no idea how many companies are recording their behavior on every site they visit. Openbook makes it visible instantly — no account, no setup required.
Would love to hear what numbers you see when you install it on the sites you use most.
About Passlit Openbook on Product Hunt
“See every company tracking you in real time”
Passlit Openbook was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #14 on the daily leaderboard. Every website loads tracking scripts without asking permission. Passlit Openbook detects every tracker on every site in real time. See exactly which companies are watching you and what they collect. finance.yahoo.com loaded 414 trackers on one page in May 2026. The average site loads 40+. Free to install. No account required. 50% off Shield with code PRODUCTHUNT50 at checkout.
On the analytics side, Passlit Openbook competes within Chrome Extensions, Privacy and Security — topics that collectively have 66.6k followers on Product Hunt. The dashboard above tracks how Passlit Openbook performed against the three products that launched closest to it on the same day.
Who hunted Passlit Openbook?
Passlit Openbook was hunted by Rob Ames. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Passlit Openbook including community comment highlights and product details, visit the product overview.
Rob Ames