[bottled_poe]

Google CSE seems like the most fitting solution, which appears to do pretty much the same thing as the article, but without all the hackery nonsense:

Step 1 - Setup a CSE to search entire web: https://support.google.com/customsearch/answer/2631040?hl=en

Step 2 - Use the CSE API: https://developers.google.com/custom-search/json-api/v1/over...