| 501 | 522 | festive-lights search | festive-lights.com | (not set) | /catalogsearch/result/?q=%s | 0 | results from festive-lights.com | festive-lights | | 0 | 0 | 0 | | |
| 502 | 523 | ffordes search | ffordes.com | (not set) | /search/%s | 0 | results from ffordes.com | ffordes.com | | 0 | 0 | 0 | | |
| 503 | 524 | fifa search | fifa.com | (not set) | /search/?q=%s | 0 | results from fifa.com | fifa | | 0 | 0 | 0 | | |
| 504 | 525 | filehippo search | filehippo.com | (not set) | /search?q=%s | 0 | results from filehippo.com | filehippo | | 0 | 0 | 0 | | |
| 505 | 526 | filmwebpl search | filmweb.pl | (not set) | /search?q=%s | 0 | wyniki z filmweb.pl | filmwebpl | | 0 | 0 | 0 | | |
| 506 | 527 | filson search | filson.com | (not set) | /catalogsearch/result/?q=%s | 0 | results from filson.com | filson.com | | 0 | 0 | 0 | | |
| 507 | 528 | yahoo finance search | yahoo.com | finance | /quote/%s | 0 | company symbol or ticker | yahoo finance | yf | | 0 | 910 | 0 | | |
| 508 | 529 | 2chnet search | 2ch.net | find | /search?q=%s | 0 | results from find.2ch.net | 2ch | | 0 | 0 | 0 | | |
| 509 | 530 | irsgov search | irs.gov | find | /c/search?affiliate=IRS&commit=Submit&query=%s | 0 | results from find.irs.gov | irsgov | | 0 | 0 | 0 | | |
| 510 | 531 | edgov search | ed.gov | findit | /search?utf8=_&affiliate=ed.gov&query=%s | 0 | results from findit.ed.gov | edgov | | 0 | 0 | 0 | | |
| 511 | 532 | fine art america search | fineartamerica.com | (not set) | /art/%s | 0 | results from fineartamerica.com | fineartamerica | | 0 | 0 | 0 | | |
| 512 | 533 | fineawards search | fineawards.com | (not set) | /catalogsearch/result?q=%s | 0 | results from fineawards.com | fineawards | | 0 | 0 | 0 | | |
| 513 | 534 | finestationery search | finestationery.com | (not set) | /catalogsearch/result/?q=%s#1 | 0 | results from finestationery.com | finestationery | | 0 | 0 | 0 | | |
| 514 | 535 | fingerhut search | fingerhut.com | (not set) | /search?search-type=user-generated&q=%s | 0 | results from fingerhut.com | fingerhut | | 0 | 0 | 0 | | |
| 515 | 536 | fire mountain gems search | firemountaingems.com | (not set) | /search?keywords=%s | 0 | results from firemountaingems.com | firemountaingems | | 0 | 0 | 0 | | |
| 516 | 537 | fireworks search | fireworks.com | (not set) | /search?query=%s | 0 | results from fireworks.com | fireworks.com | | 0 | 0 | 0 | | |
| 517 | 538 | firmoo search | firmoo.com | (not set) | /search-eyewear-keyword-%s.html?profile=products | 0 | results from firmoo.com | firmoo.com | | 0 | 0 | 0 | | |
| 518 | 539 | fishkinet search | fishki.net | (not set) | /search/qry=%s/ | 0 | results from fishki.net | fishkinet | | 0 | 0 | 0 | | |
| 519 | 540 | fiverr search | fiverr.com | (not set) | /search/gigs?utf8=?&source=guest-homepage&locale=en&search_in=everywhere&query=%s | 0 | results from fiverr.com | fiverr | | 0 | 370 | 0 | | |
| 520 | 541 | flickr search | flickr.com | (not set) | /search/?text=%s | 1 | results from flickr.com | flickr | | 0 | 0 | 0 | | |