PKDClass
PKD 63.91—Search engine activity
Class · Polska Klasyfikacja Działalności (2025)
Where 63.91 sits
- K Service Activities In The Field of Telecommunications, Computer Programming, Consulting, Computing Infrastructure and Other Service Activities In The Field of Information
- 63 Service activities in the field of computing infrastructure, data processing, website management (hosting) and other information service activities
- 63.9 Operation of internet portals and search engines, and other service activities in the field of information
- 63.91 Search engine activity
Contains 1 narrower code
What 63.91 includes
- Operation of web sites that use a search engine to generate and maintain extensive databases of internet addresses and content in an easily searchable format; these web search portals are not responsible for the content
- Operation of comparison websites for prices, product specification, etc., with provision of links to other websites
What 63.91 excludes
- Intermediation service activities for specialised construction services, see 43.60
- Intermediation service activities for retail sale, see 47.9
- Intermediation service activities for transport, see 52.3
- Intermediation service activities for postal and courier activities, see 53.30
- Intermediation service activities for accommodation, see 55.40
- Intermediation service activities for food and beverage service activities, see 56.40
- Publishing activities, see division 58
- Broadcasting activities, see division 60
- News syndicate and news agency activities, see 60.31
- Intermediation service activities for telecommunication, see 61.20
- Intermediation service activities for real estate activities, see 68.31
- Intermediation service activities for the rental and leasing of tangible goods and non-financial intangible assets, see 77.5
- Activities of call centres, see 82.20
- Intermediation service activities for business support service activities n.e.c., see 82.40
- Intermediation service activities for courses and tutors, see 85.61
- Intermediation service activities for medical, dental and other human health services, see 86.97
- Intermediation service activities for residential care activities, see 87.91
- Intermediation service activities for the repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles, see 95.40
- Intermediation service activities for personal services, see 96.40
63.91 in other systems
ANZSICAustralia · New Zealand
- 5910 Internet Service Providers and Web Search Portals approximate via ISIC 6390
- 4320 Retail Commission-Based Buying and/or Selling approximate via ISIC 6039
- 6962 Management Advice and Related Consulting Services approximate via ISIC 6390
- 4310 Non-Store Retailing approximate via ISIC 6039
- 6020 Other Information Services approximate via ISIC 6390
ATECOItaly
- 63.91 Web search portal activities exact via ISIC 63.91
- 63.92 Other information service activities approximate via ISIC 6390
- 60.39 Other content distribution activities approximate via ISIC 6039
- 47.91 Intermediation service activities for non-specialised retail sale approximate via ISIC 6039
- 47.92 Intermediation service activities for specialised retail sale approximate via ISIC 6039
- 47.11 Non-specialised retail sale of predominately food, beverages or tobacco approximate via ISIC 6039
- 47.12 Other non-specialised retail sale approximate via ISIC 6039
- 47.21 Retail sale of fruit and vegetables approximate via ISIC 6039
CNAE BrazilBrazil
- 6021-7/00 Open television activities inferred via ISIC 6039
- 6022-5/02 Activities related to subscription television, excluding programmers inferred via ISIC 6039
- 6022-5/01 Programmers inferred via ISIC 6039
- 6399-2/00 Other information service activities not specified elsewhere inferred via ISIC 6390
- 63.11-9 Data processing, application service providers, and internet hosting services inferred via ISIC 6390
- 63.19-4 Portals, content providers and other information services on the internet inferred via ISIC 6390
- 60 Radio and television activities broader via ISIC 6039
- 60.2 Television activities broader via ISIC 6039
CNAESpain
- 63.91 Web search portal activities exact via ISIC 63.91
- 60.39 Other content distribution activities approximate via ISIC 6390
- 47.91 Intermediary services activities for non-specialized retail trade approximate via ISIC 6039
- 47.92 Intermediary services activities for specialized retail trade approximate via ISIC 6039
- 47.11 Non-specialized retail trade with a predominance of food products, beverages and tobacco approximate via ISIC 6039
- 47.12 Other non-specialized retail trade approximate via ISIC 6039
- 47.21 Retail trade of fruits and vegetables approximate via ISIC 6039
- 47.22 Retail trade of meat and meat products approximate via ISIC 6039
HSICHong Kong
- 6312 Web portals approximate via ISIC 6039
- 6399 Other information service activities n.e.c. approximate via ISIC 6390
- 639900 Other information service activities n.e.c. inferred via ISIC 6390
- 631200 Web portals inferred via ISIC 6039
- 619900 Other miscellaneous telecommunications activities n.e.c. inferred via ISIC 6390
- 619100 Internet access services inferred via ISIC 6390
- 611000 Telecommunications network operation inferred via ISIC 6390
ICNEAChina
- 6421 Internet search service approximate via ISIC 6390
- 9013 Internet cafe activities approximate via ISIC 6390
- 5292 Internet retail approximate via ISIC 6039
- 5293 Mail order and TV and telephone retail approximate via ISIC 6039
- 6422 Internet gaming service approximate via ISIC 6390
- 6429 Other Internet information services approximate via ISIC 6390
- 6571 Geographic Remote Sensing Information Service approximate via ISIC 6390
- 6572 Animation and game digital content services approximate via ISIC 6390
ISICUnited Nations (global)
- 6390 Web search portals activities and other information service activities approximate via ISIC 63.91
- 6039 Social network sites and other content distribution activities approximate via ISIC 63.91
JSICJapan
- 3922 Information services, except marketing or opinion research services approximate via ISIC 6390
- 3929 Other data processing and information services approximate via ISIC 6390
- 4011 Web portal provider approximate via ISIC 6039
- 4013 Internet support services approximate via ISIC 6390
- 6111 Nonstore retailers (general merchandise) approximate via ISIC 6039
- 6112 Nonstore retailers (woven fabrics, apparel, apparel accessories and notions) approximate via ISIC 6039
- 6113 Nonstore retailers (food and beverages) approximate via ISIC 6039
- 6114 Nonstore retailers (machinery and equipment) approximate via ISIC 6039
KSICSouth Korea
- 63991 Data base activities and on-line information provision services approximate via ISIC 6390
- 60310 Video distribution activities approximate via ISIC 6390
- 60320 Audio distribution activities approximate via ISIC 6390
- 47911 Electronic commerce on a fee or contract basis via internet approximate via ISIC 6039
- 47912 Electronic commerce via internet approximate via ISIC 6039
- 47919 Retail sale via mail order houses approximate via ISIC 6039
- 63120 Portals and other internet information media service activities approximate via ISIC 6039
- 63992 Virtual assets dealing and brokering approximate via ISIC 6390
MSICMalaysia
- 63901 Web search portals approximate via ISIC 6390
- 60391 Activities of online video content creators approximate via ISIC 6039
- 60399 Social network sites and other content distribution activities approximate via ISIC 6039
- 63909 Other information service activities n.e.c. approximate via ISIC 6390
- 6390 Web search portals activities and other information service activities broader via ISIC 6390
- 6039 Social network sites and other content distribution activities broader via ISIC 6039
NACEEuropean Union
- 63.91 Web search portal activities exact
- 63.92 Other information service activities approximate via ISIC 6390
- 60.39 Other content distribution activities approximate via ISIC 6390
- 47.91 Intermediation service activities for non-specialised retail sale approximate via ISIC 6039
- 47.92 Intermediation service activities for specialised retail sale approximate via ISIC 6039
- 47.11 Non-specialised retail sale of predominately food, beverages or tobacco approximate via ISIC 6039
- 47.12 Other non-specialised retail sale approximate via ISIC 6039
- 47.21 Retail sale of fruit and vegetables approximate via ISIC 6039
NAFFrance
- 63.91 Activities search portal on the web exact via ISIC 63.91
- 47.91 Activities of intermediation service to the retail non-specialised approximate via ISIC 6039
- 47.92 Activities of intermediation service to the specialty retail approximate via ISIC 6039
- 47.11 Retail trade non-specialised predominantly food approximate via ISIC 6039
- 47.12 Other retail non-specialised approximate via ISIC 6039
- 47.21 Retail trade of fruit and vegetables approximate via ISIC 6039
- 47.22 Retail trade of meat and meat products approximate via ISIC 6039
- 47.23 Retail trade of fish, crustaceans and molluscs approximate via ISIC 6039
NAICSUnited States
- 519290 Web Search Portals and All Other Information Services approximate via ISIC 6039
- 459510 Used Merchandise Retailers approximate via ISIC 6039
- 456130 Optical Goods Retailers approximate via ISIC 6039
- 459210 Book Retailers and News Dealers approximate via ISIC 6039
- 459130 Sewing, Needlework, and Piece Goods Retailers approximate via ISIC 6039
- 456199 All Other Health and Personal Care Retailers approximate via ISIC 6039
- 458110 Clothing and Clothing Accessories Retailers approximate via ISIC 6039
- 458210 Shoe Retailers approximate via ISIC 6039
NAICS CanadaCanada
- 519290 Web search portals and all other information services approximate via ISIC 6390
- 445250 Fish and seafood markets approximate via ISIC 6039
- 445320 Beer, wine and liquor retailers approximate via ISIC 6039
- 459420 Gift, novelty and souvenir retailers approximate via ISIC 6039
- 441330 Automotive parts and accessories retailers approximate via ISIC 6039
- 459130 Sewing, needlework and piece goods retailers approximate via ISIC 6039
- 456120 Cosmetics, beauty supplies and perfume retailers approximate via ISIC 6039
- 456110 Pharmacies and drug stores approximate via ISIC 6039
NICIndia
- 639099 Other web search portal activities and other information service activities n.e.c. approximate via ISIC 6390
- 639001 Operation of websites that use a search engine to generate and maintain extensive databases of Internet addresses and content in an easily searchable format approximate via ISIC 6390
- 603900 Social network sites and other content distribution (sharing) platforms, including blog and wiki sites online gaming/video game sites provision of e-book for downloads not associated with publishing approximate via ISIC 6039
- 639002 Operation of other websites that act as portals to the Internet, such as media sites providing periodically updated content approximate via ISIC 6390
- 639003 Telephone-based information services such as directory assistance, customer support helplines, telebanking and similar services approximate via ISIC 6390
- 639004 News/Press clipping services approximate via ISIC 6390
- 6390 Web search portals activities and other information service activities broader via ISIC 6390
- 6039 Social network sites and other content distribution activities broader via ISIC 6039
NOGASwitzerland
- 6391 Web search portal activities exact via ISIC 63.91
- 6392 Other information service activities approximate via ISIC 6390
- 4791 Intermediation service activities for non-specialised retail sale approximate via ISIC 6039
- 4792 Intermediation service activities for specialised retail sale approximate via ISIC 6039
- 4711 Non-specialised retail sale of predominately food, beverages or tobacco approximate via ISIC 6039
- 4712 Other non-specialised retail sale approximate via ISIC 6039
- 4721 Retail sale of fruit and vegetables approximate via ISIC 6039
- 4722 Retail sale of meat and meat products approximate via ISIC 6039
SCIANMexico
- 519290 Online search portals and other information delivery services approximate via ISIC 6390
- 519212 Public sector libraries and archives inferred via ISIC 6390
- 519211 Libraries and archives in the private sector inferred via ISIC 6390
SICUnited States (legacy)
- 73 Business Services inferred via ISIC 6039
- 79 Amusement and Recreation Services inferred via ISIC 6039
- E Transportation, Communications, Electric, Gas, and Sanitary Services inferred via ISIC 6390
- 89 Miscellaneous Services inferred via ISIC 6039
- 36 Electronic and Other Electrical Equipment and Components, Except Computer Equipment inferred via ISIC 6039
- 2711 Newspapers inferred via ISIC 6039
- 2721 Periodicals inferred via ISIC 6039
- I Services broader via ISIC 6390
SNISweden
- 63.91 Web search portal activities exact via ISIC 63.91
- 63.92 Other information service activities approximate via ISIC 6390
- 60.39 Other content distribution activities approximate via ISIC 6039
- 47.91 Intermediation service activities for non-specialised retail sale approximate via ISIC 6039
- 47.92 Intermediation service activities for specialised retail sale approximate via ISIC 6039
- 47.11 Non-specialised retail sale of predominately food, beverages or tobacco approximate via ISIC 6039
- 47.12 Other non-specialised retail sale approximate via ISIC 6039
- 47.21 Retail sale of fruit and vegetables approximate via ISIC 6039
SSICSingapore
- 60301 News agency activities inferred via ISIC 6039
- 60302 Operation of social network sites and other content distribution activities (except publishing) inferred via ISIC 6039
- 601 Radio programme production and broadcasting inferred via ISIC 6039
- 602 Television programming and broadcasting inferred via ISIC 6039
- 63901 Internet search engines inferred via ISIC 6390
- 631 Data analytics, processing, hosting and related activities inferred via ISIC 6390
- 632 Online marketplaces operating on a fee or commission basis inferred via ISIC 6390
- J Publishing, broadcasting, and content production and distribution activities broader via ISIC 6039
UK SICUnited Kingdom
- 63.91 Web search portal activities exact via ISIC 63.91
- 60.39 Social network sites and other content distribution activities approximate via ISIC 6039
- 63.92 Other information service activities approximate via ISIC 6390
- 47.91 Intermediation service activities for non-specialised retail sale approximate via ISIC 6039
- 47.92 Intermediation service activities for specialised retail sale approximate via ISIC 6039
- 47.11 Non-specialised retail sale of predominately food, beverages or tobacco approximate via ISIC 6039
- 47.12 Other non-specialised retail sale approximate via ISIC 6039
- 47.21 Retail sale of fruit and vegetables approximate via ISIC 6039
WZGermany
- 63.91 Web search portal activities exact via ISIC 63.91
- 47.91 Intermediation service activities for non-specialised retail sale approximate via ISIC 6039
- 47.92 Intermediation service activities for specialised retail sale approximate via ISIC 6039
- 47.11 Non-specialised retail sale of predominately food, beverages or tobacco approximate via ISIC 6039
- 47.12 Other non-specialised retail sale approximate via ISIC 6039
- 47.21 Retail sale of fruit and vegetables approximate via ISIC 6039
- 47.22 Retail sale of meat and meat products approximate via ISIC 6039
- 47.23 Retail sale of fish, crustaceans and molluscs approximate via ISIC 6039
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