How We Found All Of Optimizely’s Clients

For those who aren’t familiar with Optimizely, they are a leader in the growing A/B testing industry.  Amazingly, they’ve managed to get their installation code down to just one single line of JavaScript as pictured below:

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With one simple query we uncovered a total of 577,395 sites containing that Optimizely JavaScript library:

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That’s a lot of clients! But, we wanted to dig even deeper and find all distinct Optimizely CDN URLs which contain their Optimizely client numbers. Using a regular expression search we were able to extract a list of over 12,000 URLs used on the top 1 million sites.

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Try out this and other awesome search tools within our search and regular expression interfaces.

About NerdyData

Our search engine is different from search engines you’ve used before. Traditional search engines are geared towards providing answers, whereas our goal is to give you the best list of results for a query.

Our crawler has visited over 140 million homepages and collected terabytes of HTML, JavaScript, and CSS code. We’ve also designed several search interfaces that allow anybody to query against the source code of webpages, or download a list of sites containing a specific term.

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