Other browser based screen scrapers that are in the space are 80 legs, kiminolabs, Mozenda and OutWit Hub, I'm sure there are more. Last time I checked, import.io was a fairly lightweight browser wrapper.
I also write web scrapers using Perl and Python, recently have been gravitating towards Python as the code looks more readable. I don't use browser based scrapers because the sites I scrape are usually more complex so it is just easier to write my own code, and they lack functionality and control of the data, and there is the overhead of learning the terminology and how it works.
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Other browser based screen scrapers that are in the space are 80 legs, kiminolabs, Mozenda and OutWit Hub, I'm sure there are more. Last time I checked, import.io was a fairly lightweight browser wrapper.
I also write web scrapers using Perl and Python, recently have been gravitating towards Python as the code looks more readable. I don't use browser based scrapers because the sites I scrape are usually more complex so it is just easier to write my own code, and they lack functionality and control of the data, and there is the overhead of learning the terminology and how it works.