Public data is any data/information/text available on a website that does not require you to login and is not prohibited from being accessed in the sites robots.txt file.
How to check
The easiest way to verify if the data is public or private is to access the page using a new browser in “Incognito” (Chrome) or “Private” (Firefox, Edge etc) mode and then NOT login or provide access to your location or other data etc. if prompted by the website.
If you are presented with a login page, the data is not public.
If you are NOT presented with the data that you expected, again the data is not public.
Robots.txt
Additionally if you are proficient in computers, you can also validate that the site’s robots.txt file does not restrict that page from the public. However, if you do not know how to do that, we can do that for you.
Please verify the data that you request is public.
Examples of private data that are frequently requested and we are unable to scrape
Any kind of LinkedIn.com personal data (except public LinkedIn Jobs data)
Facebook private profiles
Facebook user data
Facebook private groups
Follower details for many social networks
Emails on social media profiles
Private data on social media profiles
Emails from websites that do not show an email but provide a means to contact the business through a website form
Turn the Internet into meaningful, structured and usable data