Manage Optics

Optics lets you control almost everything about which search results that gets returned to you. You can discard results from specific sites, boost results from other sites and much more.
See our quickstart for how to get started. Once you have developed your optic, you can add it here to be used during your search.
Simply host the optic on a url that returns a plain-text HTTP response with the optic. We use, but you are free to host them elsewhere.
Copycats removal
Remove common copycat websites from search results.
Hacker News
Only return results from websites that are popular on Hacker News.
Only return results from forums or similar types of QA pages.
10K Short
Remove the top 10,000 most popular websites from search results.
Indieweb & blogroll
Search only in the indieweb + a list of blogs from and some hand-picked blogs from hackernews.
Only return results from some of the developer documentation sites listed on This is a non-exhaustive list.
Search exclusively in academic sites (.edu,, etc.). This is a non-exhaustive list.
Only search in urls that contain a tilde (~).