My question is about to reveive an alert about a swiss online sales site between individuals (ricardo.ch), when a new announce contains some pre-defined key-tags word.

For example I would like to create Alert_1 with key word "Lenovo" and "carbon" for if a new announce named "Lenovo Thinkpad X1 Carbon core i5" is created, I receive an email within 48 hours.

So, I don't need to check by myself every day if a new post which interests me is created.

Does such online opensource service exists ?

Thank you

  • Is it a publicly accessible website that you want monitor for changes? – reducing activity Jun 14 '19 at 13:48
  • yes it is public – Wasp Jun 14 '19 at 13:51
  • Is "opensource" necessary? Is it enough for it to be free or is it source code also necessary? – reducing activity Jun 14 '19 at 14:04
  • It is enough to be free, do you know any method ? – Wasp Jun 14 '19 at 14:07

It seems that you are looking for website change detector, with ability to filter for keywords.

It can be done with tools like huginn that can be highly customized but with a bit complicated setup.

There are also multiple hosted services, some of them free (note that some handle only notifying that page changed, without ability to filter for only requested changes) - see list at https://github.com/edgi-govdata-archiving/awesome-website-change-monitoring#hosted-services

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