Dan Grossman

w3roi provides conversion tracking for ecommerce sites and affiliate marketers. It allows you to easily compare your advertising campaigns in terms of clicks and sales generated, profit, conversion rate, and overall ROI. w3roi was architected and developed by myself over the course of several months in 2009. It...

W3Counter provides hosted real-time web stats for websites and blogs. Spun off from Website Goodies' hit counter in 2004, W3Counter now tracks millions of visitors per day across over 30,000 user websites, reporting on their activity in real-time and in aggregate, wi...

WP Review Site allows site visitors to leave reviews on a WordPress-powered site while rating items on a scale of 1 to 5 stars across several dimensions. It work with any WordPress theme and provides the ability to display average ratings, sorts posts by weighted average rating, adds sidebar widgets and pro...

Diffmon is a website uptime monitoring service. It checks that a site is available, responsive, and serving the expected content. With e-mail, SMS and RSS alerts, site owners know instantly if any of their sites is down, hacked, or serving an error page....

Follow Ham is a recommendation service for Twitter users. It scans their followers and employs machine learning techniques to classify those other accounts as "spam" or "ham" in order to recommend which to follow back. To decide whether an account...

A free image hosting service launched in 2004, PicVault provides automatic thumbnailing and several types of galleries. The site has served nearly a billion images. PicVault was an early project of mine born out of convenience. I was sharing photos on my blog and in forums activel...

WebsiteGoodies.com was my first domain — originally registered through Network Solutions at internic.org in 1996, with all of my saved allowance; I was 14 at the time. Initially the site was a set of HTML tutorials I wrote to share what I had learned. As I learned basic JavaScript and Perl programmi...

I was the expert editor for the Web Site Revenue Maximizer, released by technical book publisher SitePoint in June 2008....