Online SEO

Online Search Engine Optimization (SEO)

Search Engine Optimization

Search Engine Optimization (SEO)

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  2. Why can’t the search engines figure out my site without SEO?
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Online Search Engine Optimization (SEO)

SEO (Search Engine Optimization)

List of By content/topic

General

  1. Baidu (Chinese, Japanese)
  2. Bing
  3. Blekko
  4. Google
  5. Sogou (Chinese)
  6. Soso.com (Chinese)
  7. Volunia
  8. WireDoo
  9. Yahoo!
  10. Yandex (Russian)
  11. Yebol
  12. Yodao (Chinese)

P2P search engines

  1. FAROO
  2. Seeks (Open Source)
  3. YaCy (Free and fully decentralized)

Metasearch engines
(See also: Metasearch engine)

  1. Brainboost
  2. ChunkIt!
  3. Clusty
  4. DeeperWeb
  5. Dogpile
  6. Excite
  7. Harvester42
  8. HotBot
  9. Info.com
  10. Ixquick
  11. Kayak
  12. LeapFish
  13. Mamma
  14. Metacrawler
  15. MetaLib
  16. Mobissimo
  17. Myriad Search
  18. SideStep
  19. WebCrawler

Geographically limited scope

  1. Accoona, China/United States
  2. Alleba, Philippines
  3. Ansearch, Australia/United States/United Kingdom/New Zealand
  4. Biglobe, Japan
  5. Daum, Korea
  6. Goo, Japan
  7. Guruji.com, India
  8. Leit.is, Iceland
  9. Maktoob, Arab World
  10. Miner.hu, Hungary
  11. Najdi.si, Slovenia
  12. Naver, Korea
  13. Onkosh, Arab World
  14. Rambler, Russia
  15. Rediff, India
  16. SAPO, Portugal/Angola/Cabo Verde/Mozambique
  17. Search.ch, Switzerland
  18. Sesam, Norway, Sweden
  19. Seznam, Czech Republic
  20. Walla!, Israel
  21. Yandex, Russia
  22. Yehey!, Philippines
  23. ZipLocal, Canada/United States

Accountancy

  1. IFACnet

Business

  1. Business.com
  2. GenieKnows (United States and Canada)
  3. GlobalSpec
  4. Nexis (Lexis Nexis)
  5. Thomasnet (United States)

Enterprises

  1. (See also: Enterprise search)
  2. AskMeNow: S3 – Semantic Search Solution
  3. Concept Searching Limited: concept search products
  4. Coveo: Coveo Enterprise Search platform, Coveo Expresso
  5. Dieselpoint: Search & Navigation
  6. dtSearch: dtSearch Engine (SDK), dtSearch Web
  7. Endeca: Information Access Platform
  8. Exalead: exalead one:enterprise
  9. Expert System S.p.A.: Cogito
  10. Fast Search & Transfer: Enterprise Search Platform (ESP), RetrievalWare (formerly Convera)
  11. Funnelback: Funnelback Search
  12. IBM: OmniFind Enterprise Edition
  13. Inbenta: Inbenta Semantic Search Engine
  14. ISYS Search Software: ISYS:web, ISYS:sdk
  15. Jumper 2.0: Universal search powered by Enterprise bookmarking
  16. Microsoft: SharePoint Search Services
  17. Northern Light
  18. Open Text: Hummingbird Search Server, Livelink Search
  19. Oracle Corporation: Secure Enterprise Search 10g
  20. SAP: TREX
  21. TeraText: TeraText Suite
  22. Vivisimo: Vivisimo Clustering Engine
  23. X1 Technologies : X1 Enterprise Search
  24. ZyLAB Technologies: ZyIMAGE Information Access Platform

Food/Recipes

  1. RecipeBridge: vertical search engine for recipes
  2. Yummly: semantic recipe search

Mobile/Handhelds

  1. Taganode Local Search Engine
  2. Taptu: taptu mobile/social search

Jobs

  1. Main article: Job search engine
  2. Bixee.com (India)
  3. CareerBuilder.com (USA)
  4. Craigslist (by city)
  5. Dice.com (USA)
  6. Eluta.ca (Canada)
  7. Hotjobs.com (USA)
  8. Incruit (Korea)
  9. Indeed.com (USA)
  10. LinkUp.com (USA)
  11. Monster.com (USA), (India)
  12. Naukri.com (India)
  13. Yahoo! HotJobs (Countrywise subdomains, International)

Legal

  1. Google Scholar
  2. Lexis (Lexis Nexis)
  3. Manupatra
  4. Quicklaw
  5. WestLaw

Medical

  1. Bing Health
  2. Bioinformatic Harvester
  3. EB-eye EMBL-EBI’s Search engine
  4. Entrez (includes Pubmed)
  5. GenieKnows
  6. GoPubMed (knowledge-based: GO – GeneOntology and MeSH – Medical Subject Headings)
  7. Healia
  8. Healthline
  9. Nextbio (Life Science Search Engine)
  10. PubGene
  11. Quertle (Semantic search of the biomedical literature)
  12. Searchmedica
  13. VADLO (Life Sciences Search Engine)
  14. WebMD

News

  1. Bing News
  2. Daylife
  3. Google News
  4. MagPortal
  5. Newslookup
  6. Nexis (Lexis Nexis)
  7. Topix.net
  8. Yahoo! News

People

  1. Comfibook
  2. Ex.plode.us
  3. InfoSpace
  4. PeekYou
  5. Spock
  6. Spokeo
  7. Wink
  8. Worldwide Helpers
  9. Zabasearch.com
  10. ZoomInfo

Real estate / property

  1. Fizber.com
  2. HotPads.com
  3. Redfin
  4. Rightmove
  5. Zillow.com

Television

  1. TV Genius

Video Games

  1. Wazap (Japan)

By information type

Search engines dedicated to a specific kind of information

Forum

  1. Omgili

Blog

  1. Amatomu
  2. IceRocket
  3. Regator
  4. Technorati

Multimedia
(See also: Multimedia search)

  1. Bing Videos
  2. blinkx
  3. FindSounds
  4. Google Video
  5. Munax’s PlayAudioVideo
  6. Picsearch
  7. Pixsta
  8. Podscope
  9. ScienceStage
  10. SeeqPod
  11. Songza
  12. TinEye
  13. TV Genius
  14. Veveo
  15. Yahoo! Video
  16. YouTube

Source code

  1. Google Code Search
  2. JExamples
  3. Koders
  4. Krugle

BitTorrent
These search engines work across the BitTorrent protocol.

  1. FlixFlux
  2. Isohunt
  3. Mininova
  4. The Pirate Bay
  5. TorrentSpy
  6. Torrentz

Email

  1. Lookeen
  2. TEK

Maps

  1. Apple Maps
  2. Bing Maps
  3. Géoportail
  4. Google Maps
  5. MapQuest
  6. OpenStreetMap
  7. WikiMapia
  8. Yahoo! Maps

Price

  1. Bing Shopping
  2. Google Shopping (formerly Google Product Search and Froogle)
  3. Kelkoo
  4. MySimon
  5. PriceGrabber
  6. PriceRunner
  7. PriceSCAN
  8. Pronto.com
  9. Shopping.com
  10. ShopWiki
  11. Shopzilla (also operates Bizrate)
  12. SwoopThat.com
  13. TheFind.com
  14. Wishabi

Question and answer
Human answers

  1. Answers.com
  2. Ask Me Help Desk
  3. DeeperWeb
  4. eHow
  5. Quora
  6. Stack Overflow/Stack Exchange Network
  7. Uclue
  8. wikiHow
  9. Yahoo! Answers

Automatic answers
(See also: Question answering)

  1. AskMeNow
  2. BrainBoost
  3. True Knowledge
  4. Wolfram Alpha

Natural Language
See also: Natural language search engine and Semantic search

  1. Ask.com
  2. Bing (Semantic ability is powered by Powerset)
  3. BrainBoost
  4. hakia
  5. Lexxe
  6. Powerset

By model

Privacy Search Eengines

  1. DuckDuckGo
  2. Scroogle Scraper
  3. Open source search engines
  4. DataparkSearch
  5. Egothor
  6. Grub
  7. ht://Dig
  8. Isearch
  9. Lemur Toolkit & Indri Search Engine
  10. Lucene
  11. mnoGoSearch
  12. MozDex
  13. Namazu
  14. Nutch
  15. Recoll
  16. Sciencenet (for scientific knowledge, based on YaCy technology)
  17. Seeks
  18. Sphinx
  19. SWISH-E
  20. Terrier Search Engine
  21. Wikia Search
  22. Xapian
  23. YaCy
  24. Zettair

Semantic browsing engines

  1. Hakia
  2. Yebol

Social search engines
See also: Social search, Relevance feedback, and Human search engine

  1. ChaCha Search
  2. Delver
  3. Eurekster
  4. Mahalo.com
  5. OneRiot
  6. Rollyo
  7. SearchTeam
  8. Sproose
  9. Trexy
  10. Wink provides web search by analyzing user contributions such as bookmarks and feedback

Visual search engines

  1. ChunkIt!
  2. Grokker
  3. Pixsta
  4. PubGene
  5. TinEye
  6. Viewzi
  7. Macroglossa

Search appliances

  1. Google: Google Search Appliance

Desktop search engines

See also: Desktop search