Archive for the ‘Announcements’ Category

New Ad Limiter version 2.2

Monday, July 6th, 2015

Ad Limiter 2.2 is now available. Yahoo search results will again be rated, now that Ad Limiter understands a change in Yahoo links. Google search results will now be rated for countries where Google redirects “” to country-specific sites. Blekko support has been removed, due to the demise of the Blekko search engine.

Recent changes

Sunday, May 31st, 2015

We’ve been upgrading the SiteTruth system. Recent changes include:

  • All our add-ons for Firefox are now signed by the Mozilla Foundation. This will soon get rid of the phony add-ons using our add-on ID.
  • The new US business database has been loaded and indexed. Business recognition has improved.
  • Address parsing has improved. We now recognize about 95% of US mail addresses.

Phony version of Ad Limiter

Thursday, April 9th, 2015

There is a phony version of Ad Limiter for Firefox being distributed. The only valid source for Ad Limiter for Firefox is “”. If your add-on came from some other source, it is probably fake. Our own sites,, and “” redirect you to that link if you’re using Firefox. (Google Chrome users are sent to the Google Chrome store. This attack does not seem to affect them.)

The current version of Ad Limiter is 2.0. Phony versions have strange version numbers, such as “1009.99.597”. If you’re using Ad Limiter on Firefox, and the version isn’t 2.0, please remove it, then reload it directly from the Mozilla Add-Ons site using the link above.

If you have been affected in any way by this problem, please contact us at We would like to hear from you.

Data upgrade in progress – slow response

Saturday, April 4th, 2015

SiteTruth is loading a new database of 20 million US businesses.  During the database upload, rating of new sites is very slow.  Normal operation should resume by the morning of April 5.  Rating quality will improve later in the month.

Software upgrade

Monday, March 30th, 2015

The SiteTruth system has just been upgraded to Python 3. There was a brief outage between 1145 and 1200 PDT. This is in preparation for changes which will result in more accurate business identification.

SiteTruth is now available on Android

Sunday, March 1st, 2015

Now, you can enjoy a cleaner, less ad-cluttered experience on mobile. SiteTruth’s Ad Limiter now works on Firefox for Android.

Click here to get Ad Limiter from the Mozilla Firefox store. It’s free.

SiteTruth API now FCGI only.

Wednesday, September 24th, 2014

The  SiteTruth API for developers is now FCGI only. The long-obsolete CGI interface has been deleted. Users of the API should update their REST URLs.

AdLimiter 1.6 released for Google Chrome

Monday, June 24th, 2013

We’ve now released Ad Limiter 1.6 for Google Chrome. This brings the Google Chrome version up to the same level as the Firefox version, and supports versions of Google Chrome scheduled for release in the near future.

Users should not notice any changes.

Business database update underway

Wednesday, April 4th, 2012

The database of US businesses is currently being updated with 2012 data to improve the accuracy of results. Over the next few months, we will be adding additional business information and displaying it through our browser add-ons. When we say “know who you’re dealing with”, we mean it.

Update: The database update has been completed.

Update: April 26 – a major system update has been completed. Please let us know of any problems.

Social is bad for search, and search is bad for social

Sunday, November 13th, 2011

In the last two years, the concept of “social” inputs to web search has been heavily promoted. We show that social inputs to search encourage spamming to the point that search quality degrades. These attempts to pollute search are filling the “social” world with junk. An entire ecosystem has come into being to assist with search engine social spamming. Fighting this ecosystem is possible, but not easy.

Full paper: “Social is bad for search, and search is bad for social”.