Alfred Web Searches
Copy the string and input them in the browser's address bar to add them to Alfred.
Google Search
Change the Google Search keyword under Features tab from google to ?
Google Translate
Change the Google Translate keyword under Features tab from translate to /
Stack Overflow (Icon)
alfred://customsearch/Search%20Stack%20Overflow%20for%20%27%7Bquery%7D%27/%3E/utf8/nospace/https%3A%2F%2Fstackoverflow.com%2Fsearch%3Fq%3D%7Bquery%7D
Anime on AniList (Icon)
alfred://customsearch/Search%20Anime%20on%20AniList%20for%20%27%7Bquery%7D%27/anime/utf8/nospace/https%3A%2F%2Fanilist.co%2Fsearch%2Fanime%3Fsearch%3D%7Bquery%7D%26sort%3DSEARCH_MATCH
Manga on AniList (Icon)
alfred://customsearch/Search%20Manga%20on%20AniList%20for%20%27%7Bquery%7D%27/manga/utf8/nospace/https%3A%2F%2Fanilist.co%2Fsearch%2Fmanga%3Fsearch%3D%7Bquery%7D%26sort%3DSEARCH_MATCH
Devhints (Icon)
alfred://customsearch/Search%20Devhints%20for%20%27%7Bquery%7D%27/%3B/utf8/nospace/https%3A%2F%2Fdevhints.io%2F%3Fq%3D%7Bquery%7D
Can I use (Icon)
alfred://customsearch/Search%20Can%20I%20use%20for%20%27%7Bquery%7D%27/%21/utf8/nospace/https%3A%2F%2Fcaniuse.com%2F%23search%3D%7Bquery%7D