https://refiner.io/
Refiner: In-app survey software | Web app surveys, mobile app surveys, and more.
Refiner helps collect invaluable user feedback with in-app surveys, web app surveys, mobile and SDK surveys, and more.
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https://www.rti.org/publication/increasing-respondents-use-definitions-web-surveys
Increasing respondents' use of definitions in web surveys | RTI
Survey respondents may misinterpret the questions they are asked, potentially undermining the accuracy of their answers. One way to reduce this risk is to make...
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https://w3techs.com/
W3Techs - extensive and reliable web technology surveys
W3Techs provides information about the usage of various types of technologies on the web.
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