Website URL Tested From Average (out of 100) GradeBooking.com https://www.booking.com Eastern US 87 BTripadvisor https://www.tripadvisor.com Eastern US 83 B A 3Expedia https://www.expedia.com Western US 64 D B 8Hotels.com https://hotels.com/ Western US 61 D C 30Kayak.com https://www.kayak.com/ Eastern US 65 D D 55Southwest Airlines https://www.southwest.com Western US 67 D E 4Agoda.com https://www.agoda.com Eastern Asia 84 B F 0Delta Airlines https://www.delta.com Eastern US 63 D 100Ryanair https://www.ryanair.com Europe 68 DUnited Airlines https://www.united.com Eastern US 70 CAmerican Airlines https://www.aa.com Eastern US 67 D Performance of top 100 travel websitesPriceline https://priceline.com/home/ Eastern US 64 D Performance Grade (Distribution)Marriott http://www.marriott.com/default.mi Eastern US 59 EHilton http://www3.hilton.com/en/index.html Eastern US 59 EAna.co.jp http://www.ana.co.jp Eastern Asia 61 DQatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 74 CEmirates https://www.emirates.com/ae/english/ Europe 62 DEasyjet https://www.easyjet.com/en/ Europe 72 COrbitz https://www.orbitz.com/ Eastern US 67 DVrbo https://www.vrbo.com/ Eastern US 64 DJapan Airlines http://www.jal.co.jp/ Eastern Asia 64 DTravelocity https://www.travelocity.com/ Eastern US 66 DLonely Planet https://www.lonelyplanet.com/ Eastern US 72 CCouchsurfing https://www.couchsurfing.com/ Western US 78 CHomeaway https://www.homeaway.com/ Eastern US 63 DBritish Airways https://www.britishairways.com Europe 63 DHotwire https://www.hotwire.com/ Western US 73 CLufthansa http://www.lufthansa.com/xx/en/Homepage Europe 68 DSkyscanner https://www.skyscanner.com/ Europe 96 ATurkish Airlines http://www.turkishairlines.com/en-int/ Europe 83 BTrivago https://www.trivago.com/ Europe 90 ASaudi Airlines http://saudiairlines.com/ Europe 75 CAeroflot http://www.aeroflot.ru/ru-ru Europe 67 DKLM https://www.klm.com/home/nl/nl Europe 70 CHostelworld http://www.hostelworld.com/ Europe 74 CAlaska Air https://www.alaskaair.com/ Western US 73 CCathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 63 DSpirit https://www.spirit.com/ Eastern US 63 DHyatt https://www.hyatt.com/ Eastern US 75 CJet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 67 DCebu Pacific https://www.cebupacificair.com/ Eastern Asia 71 CAir Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 66 DExpedia Canada https://www.expedia.ca/ Eastern US 64 DAir Arabia http://www.airarabia.com/en Europe 67 DIndiGo https://www.goindigo.in/ Eastern Asia 76 CIberia http://www.iberia.com/ Europe 67 DLATAM Airlines https://www.latam.com/en_un/ Western US 71 CCarnival https://www.carnival.com/ Eastern US 59 EAccor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 73 CTravelzoo https://www.travelzoo.com/ Eastern US 66 DFrontier https://www.flyfrontier.com/ Western US 78 CAmadeus https://www.amadeus.net/ Europe 87 BRoyal Caribbean https://www.royalcaribbean.com Eastern US 64 DAir Berlin https://www.airberlin.com/en/site/start.php Europe 63 DAlitalia https://www.alitalia.com/it_it Europe 62 DKorean Air https://www.koreanair.com/global/en.html Eastern Asia 82 BSpicejet http://www.spicejet.com/ Eastern Asia 72 COne Travel https://www.onetravel.com/ Eastern US 71 CQantas http://www.qantas.com/au/en.html Australia 66 DCheaptickets https://www.cheaptickets.com/ Eastern US 67 DSwiss https://www.swiss.com/CH/en Europe 72 C

Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 76 CWestjet https://www.westjet.com/en-ca/index Eastern US 65 DAllegiant Air https://www.allegiantair.com/ Western US 69 DAegean https://en.aegeanair.com/ Europe 68 DChoice Hotels https://www.choicehotels.com/ Eastern US 70 CAer LIngus https://www.aerlingus.com/html/home.html Europe 72 CRCI http://www.rci.com/ Eastern US 60 DChina Airlines https://www.china-airlines.com/tw/en Eastern Asia 67 DHRS http://www.hrs.de/ Europe 78 CPrincess Cruises http://www.princess.com/ Western US 60 DNCL https://www.ncl.com/eu/en/ Eastern US 75 CIxigo https://www.ixigo.com/ Eastern Asia 67 DEthiopian Airlines https://www.ethiopianairlines.com/ Europe 71 CBest Western https://www.bestwestern.com/en_US.html Eastern US 64 DAir France http://www.airfrance.fr Europe 69 DVirgin Australia https://www.virginaustralia.com/au/en/ Australia 67 DUIA http://www.flyuia.com/eng/main.html Europe 61 DFinnair https://www.finnair.com/fi/fi/ Europe 100 AAeroplan https://www4.aeroplan.com/ Eastern US 89 BPhilippine Airlines https://www.philippineairlines.com/en Eastern Asia 61 DCopa Airlines https://www.copaair.com/es/web/gs Eastern US 75 CMelia Hotels https://www.melia.com/ Europe 68 DVacations to go http://vacationstogo.com/ Eastern US 61 DThomas Cook https://www.thomascook.com/ Europe 79 CDisney Cruises https://disneycruise.disney.go.com/ Eastern US 78 DBrussels Airlines https://www.brusselsairlines.com/en-be/ Europe 63 CSouth African Airways https://www.flysaa.com/ Europe 68 DHawaiian Airlines https://www.hawaiianairlines.com/ Western US 75 DPakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 59 CHilton Hotels http://www3.hilton.com/en/index.html Eastern US 70 EVegas https://www.vegas.com/ Western US 66 DLot http://www.lot.com/pl/en/ Europe 88 BAir Baltic https://www.airbaltic.com/en-LV/index Europe 69 DStarwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 62 DWotif https://www.wotif.com/ Australia 66 DFlybe http://www.flybe.com/ Europe 63 DCondor https://www.condor.com/eu/index.jsp Europe 64 DAustrian https://www.austrian.com/ Europe 68 DSrilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 71 C

z URL Tested From Average (seconds)Finnair https://www.finnair.com/fi/fi/ Europe 0.18Vacations to go http://vacationstogo.com/ Eastern US 0.57 Top 10 Performing Sites Load Time (secs)Lot http://www.lot.com/pl/en/ Europe 0.81 Finnair 0.18Skyscanner https://www.skyscanner.com/ Europe 0.85 Vacations to go 0.57Aeroplan https://www4.aeroplan.com/ Eastern US 0.9 Lot 0.81Amadeus https://www.amadeus.net/ Europe 1 Skyscanner 0.85Japan Airlines http://www.jal.co.jp/ Eastern Asia 1.15 Aeroplan 0.9Hyatt https://www.hyatt.com/ Eastern US 1.15 Amadeus 1Tripadvisor https://www.tripadvisor.com Eastern US 1.2 Japan Airlines 1.15Booking.com https://www.booking.com Eastern US 1.48 Hyatt 1.15Swiss https://www.swiss.com/CH/en Europe 1.48 Tripadvisor 1.2Alaska Air https://www.alaskaair.com/ Western US 1.55 Booking.com 1.48HRS http://www.hrs.de/ Europe 1.55Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 1.57Trivago https://www.trivago.com/ Europe 1.62 Bottom 10 Performing Sites Load Time (secs)Agoda.com https://www.agoda.com Eastern Asia 1.68 Aer LIngus 5.62Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 1.68 Saudi Airlines 6.21Westjet https://www.westjet.com/en-ca/index Eastern US 1.75 Hilton Hotels 6.22Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 1.76 Travelocity 6.25South African Airways https://www.flysaa.com/ Europe 10.45 Emirates 6.98Couchsurfing https://www.couchsurfing.com/ Western US 2.02 Air Arabia 7.7Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 2.14 Wotif 7.72Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 2.15 Qantas 8.09Austrian https://www.austrian.com/ Europe 2.19 Melia Hotels 8.9Travelzoo https://www.travelzoo.com/ Eastern US 2.26 South African Airways 10.45Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 2.33Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 2.41 Homepage loading time distributionAna.co.jp http://www.ana.co.jp Eastern Asia 2.45 <1 5Vegas https://www.vegas.com/ Western US 2.46 1-2 14Iberia http://www.iberia.com/ Europe 2.48 2-3 27United Airlines https://www.united.com Eastern US 2.49 3-4 28Condor https://www.condor.com/eu/index.jsp Europe 2.49 4-5 12Allegiant Air https://www.allegiantair.com/ Western US 2.54 5-6 5Homeaway https://www.homeaway.com/ Eastern US 2.59 6-7 4Vrbo https://www.vrbo.com/ Eastern US 2.61 7-8 2Spirit https://www.spirit.com/ Eastern US 2.65 8-9 1American Airlines https://www.aa.com Eastern US 2.72 9> 2Frontier https://www.flyfrontier.com/ Western US 2.72Thomas Cook https://www.thomascook.com/ Europe 2.72 Fastest Load 0.18Lonely Planet https://www.lonelyplanet.com/ Eastern US 2.76 Average Load 3.39One Travel https://www.onetravel.com/ Eastern US 2.77 Slowest Load 10.45Hotwire https://www.hotwire.com/ Western US 2.79IndiGo https://www.goindigo.in/ Eastern Asia 2.88Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 2.89RCI http://www.rci.com/ Eastern US 2.92Flybe http://www.flybe.com/ Europe 2.98Royal Caribbean https://www.royalcaribbean.com Eastern US 2.99Delta Airlines https://www.delta.com Eastern US 3.02Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 3.02Southwest Airlines https://www.southwest.com Western US 3.08Disney Cruises https://disneycruise.disney.go.com/ Eastern US 3.24Hotels.com https://hotels.com/ Western US 3.31Princess Cruises http://www.princess.com/ Western US 3.31Aeroflot http://www.aeroflot.ru/ru-ru Europe 3.34Air France http://www.airfrance.fr Europe 3.35Ixigo https://www.ixigo.com/ Eastern Asia 3.37Air Berlin https://www.airberlin.com/en/site/start.php Europe 3.38Ryanair https://www.ryanair.com Europe 3.4Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 3.41Easyjet https://www.easyjet.com/en/ Europe 3.47Hostelworld http://www.hostelworld.com/ Europe 3.53Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 3.55Korean Air https://www.koreanair.com/global/en.html Eastern Asia 3.58

Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 3.59Air Baltic https://www.airbaltic.com/en-LV/index Europe 3.64British Airways https://www.britishairways.com Europe 3.65UIA http://www.flyuia.com/eng/main.html Europe 3.65Marriott http://www.marriott.com/default.mi Eastern US 3.72Hilton http://www3.hilton.com/en/index.html Eastern US 3.77Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 3.8Cheaptickets https://www.cheaptickets.com/ Eastern US 3.83Best Western https://www.bestwestern.com/en_US.html Eastern US 3.84China Airlines https://www.china-airlines.com/tw/en Eastern Asia 3.85NCL https://www.ncl.com/eu/en/ Eastern US 3.94Priceline https://priceline.com/home/ Eastern US 3.96Orbitz https://www.orbitz.com/ Eastern US 4.01LATAM Airlines https://www.latam.com/en_un/ Western US 4.01Kayak.com https://www.kayak.com/ Eastern US 4.03Spicejet http://www.spicejet.com/ Eastern Asia 4.07Aegean https://en.aegeanair.com/ Europe 4.07KLM https://www.klm.com/home/nl/nl Europe 4.17Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 4.48Copa Airlines https://www.copaair.com/es/web/gs Eastern US 4.49Choice Hotels https://www.choicehotels.com/ Eastern US 4.55Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 4.66Expedia https://www.expedia.com Western US 4.72Carnival https://www.carnival.com/ Eastern US 4.8Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 5.04Virgin Australia https://www.virginaustralia.com/au/en/ Australia 5.09Alitalia https://www.alitalia.com/it_it Europe 5.34Expedia Canada https://www.expedia.ca/ Eastern US 5.54Aer LIngus https://www.aerlingus.com/html/home.html Europe 5.62Saudi Airlines http://saudiairlines.com/ Europe 6.21Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 6.22Travelocity https://www.travelocity.com/ Eastern US 6.25Emirates https://www.emirates.com/ae/english/ Europe 6.98Air Arabia http://www.airarabia.com/en Europe 7.7Wotif https://www.wotif.com/ Australia 7.72Qantas http://www.qantas.com/au/en.html Australia 8.09Melia Hotels https://www.melia.com/ Europe 8.9

Website URL Tested From Average (mb)Lot http://www.lot.com/pl/en/ Europe 0.16 Size of top 100 Travel sitesThai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 0.52 Min size 0.16Vacations to go http://vacationstogo.com/ Eastern US 0.53 Average size 2.27Southwest Airlines https://www.southwest.com Western US 0.71 Max size 6.12Trivago https://www.trivago.com/ Europe 0.77Hotwire https://www.hotwire.com/ Western US 0.89 Homepage size distributionHostelworld http://www.hostelworld.com/ Europe 0.9 <1 10Skyscanner https://www.skyscanner.com/ Europe 0.93 1-2 33IndiGo https://www.goindigo.in/ Eastern Asia 0.93 2-3 34Aeroplan https://www4.aeroplan.com/ Eastern US 0.98 3-4 16United Airlines https://www.united.com Eastern US 1.02 4-5 5Swiss https://www.swiss.com/CH/en Europe 1.07 5-6 1KLM https://www.klm.com/home/nl/nl Europe 1.08 6-7 1HRS http://www.hrs.de/ Europe 1.08Spicejet http://www.spicejet.com/ Eastern Asia 1.12American Airlines https://www.aa.com Eastern US 1.19Finnair https://www.finnair.com/fi/fi/ Europe 1.2Booking.com https://www.booking.com Eastern US 1.21Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 1.33 Top 10 Performing Sites Size (MB)Expedia https://www.expedia.com Western US 1.34 Lot 0.16British Airways https://www.britishairways.com Europe 1.36 Thai Airways 0.52One Travel https://www.onetravel.com/ Eastern US 1.36 Vacations to go 0.53NCL https://www.ncl.com/eu/en/ Eastern US 1.44 Southwest Airlines 0.71Wotif https://www.wotif.com/ Australia 1.48 Trivago 0.77Tripadvisor https://www.tripadvisor.com Eastern US 1.52 Hotwire 0.89Thomas Cook https://www.thomascook.com/ Europe 1.52 Hostelworld 0.9Homeaway https://www.homeaway.com/ Eastern US 1.53 Skyscanner 0.93Ryanair https://www.ryanair.com Europe 1.57 IndiGo 0.93Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 1.57 Aeroplan 0.98LATAM Airlines https://www.latam.com/en_un/ Western US 1.59Alaska Air https://www.alaskaair.com/ Western US 1.6 Bottom 10 Performing Sites Load Time (secs)Hotels.com https://hotels.com/ Western US 1.64 Royal Caribbean 3.53Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 1.66 Melia Hotels 3.71Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 1.69 Amadeus 3.86Allegiant Air https://www.allegiantair.com/ Western US 1.7 Aer LIngus 4Expedia Canada https://www.expedia.ca/ Eastern US 1.75 Orbitz 4.02Copa Airlines https://www.copaair.com/es/web/gs Eastern US 1.75 Carnival 4.6Air Baltic https://www.airbaltic.com/en-LV/index Europe 1.76 Lonely Planet 4.66Kayak.com https://www.kayak.com/ Eastern US 1.83 Starwood Hotels Sheraton 4.88Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 1.83 Alitalia 5.82Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 1.85 Emirates 6.12Vrbo https://www.vrbo.com/ Eastern US 1.89Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 1.9Condor https://www.condor.com/eu/index.jsp Europe 2.02Priceline https://priceline.com/home/ Eastern US 2.04Virgin Australia https://www.virginaustralia.com/au/en/ Australia 2.05Korean Air https://www.koreanair.com/global/en.html Eastern Asia 2.06Travelocity https://www.travelocity.com/ Eastern US 2.08Spirit https://www.spirit.com/ Eastern US 2.16UIA http://www.flyuia.com/eng/main.html Europe 2.17Delta Airlines https://www.delta.com Eastern US 2.2Air Berlin https://www.airberlin.com/en/site/start.php Europe 2.22Westjet https://www.westjet.com/en-ca/index Eastern US 2.23Choice Hotels https://www.choicehotels.com/ Eastern US 2.23Iberia http://www.iberia.com/ Europe 2.29Hilton http://www3.hilton.com/en/index.html Eastern US 2.3Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 2.3Agoda.com https://www.agoda.com Eastern Asia 2.31South African Airways https://www.flysaa.com/ Europe 2.32Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 2.36Austrian https://www.austrian.com/ Europe 2.41Best Western https://www.bestwestern.com/en_US.html Eastern US 2.43Flybe http://www.flybe.com/ Europe 2.5RCI http://www.rci.com/ Eastern US 2.52Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 2.52Frontier https://www.flyfrontier.com/ Western US 2.57Japan Airlines http://www.jal.co.jp/ Eastern Asia 2.63Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 2.7Qantas http://www.qantas.com/au/en.html Australia 2.76Easyjet https://www.easyjet.com/en/ Europe 2.77Hyatt https://www.hyatt.com/ Eastern US 2.78Aeroflot http://www.aeroflot.ru/ru-ru Europe 2.79Aegean https://en.aegeanair.com/ Europe 2.84Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 2.85China Airlines https://www.china-airlines.com/tw/en Eastern Asia 2.88Air Arabia http://www.airarabia.com/en Europe 2.9Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 2.95Saudi Airlines http://saudiairlines.com/ Europe 3Travelzoo https://www.travelzoo.com/ Eastern US 3Princess Cruises http://www.princess.com/ Western US 3.03Ana.co.jp http://www.ana.co.jp Eastern Asia 3.04Marriott http://www.marriott.com/default.mi Eastern US 3.14Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 3.22Ixigo https://www.ixigo.com/ Eastern Asia 3.24Disney Cruises https://disneycruise.disney.go.com/ Eastern US 3.26Air France http://www.airfrance.fr Europe 3.27Couchsurfing https://www.couchsurfing.com/ Western US 3.3Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 3.36Cheaptickets https://www.cheaptickets.com/ Eastern US 3.4Vegas https://www.vegas.com/ Western US 3.41Royal Caribbean https://www.royalcaribbean.com Eastern US 3.53Melia Hotels https://www.melia.com/ Europe 3.71Amadeus https://www.amadeus.net/ Europe 3.86Aer LIngus https://www.aerlingus.com/html/home.html Europe 4Orbitz https://www.orbitz.com/ Eastern US 4.02Carnival https://www.carnival.com/ Eastern US 4.6Lonely Planet https://www.lonelyplanet.com/ Eastern US 4.66Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 4.88Alitalia https://www.alitalia.com/it_it Europe 5.82Emirates https://www.emirates.com/ae/english/ Europe 6.12

Website URL Tested From Average # of RequestsFinnair https://www.finnair.com/fi/fi/ Europe 2Skyscanner https://www.skyscanner.com/ Europe 4 Average # of Requests of top 100 Travel sitesAeroplan https://www4.aeroplan.com/ Eastern US 13 Min requests 2Lot http://www.lot.com/pl/en/ Europe 15 Average size 142Trivago https://www.trivago.com/ Europe 19 Max size 378Vacations to go http://vacationstogo.com/ Eastern US 22Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 40 Sites with least requests Load Time (secs)Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 41 Finnair 2Spicejet http://www.spicejet.com/ Eastern Asia 48 Skyscanner 4Hyatt https://www.hyatt.com/ Eastern US 50 Aeroplan 13IndiGo https://www.goindigo.in/ Eastern Asia 60 Lot 15Amadeus https://www.amadeus.net/ Europe 60 Trivago 19Allegiant Air https://www.allegiantair.com/ Western US 60 Vacations to go 22Couchsurfing https://www.couchsurfing.com/ Western US 62 Thai Airways 40Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 62 Philippine Airlines 41Swiss https://www.swiss.com/CH/en Europe 67 Spicejet 48NCL https://www.ncl.com/eu/en/ Eastern US 67 Hyatt 50Hostelworld http://www.hostelworld.com/ Europe 68One Travel https://www.onetravel.com/ Eastern US 68 Sites with most requests Load Time (secs)Southwest Airlines https://www.southwest.com Western US 69 Expedia Canada 282HRS http://www.hrs.de/ Europe 72 Travelocity 286Alaska Air https://www.alaskaair.com/ Western US 76 Princess Cruises 294Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 79 Ana.co.jp 298United Airlines https://www.united.com Eastern US 80 Hilton 311LATAM Airlines https://www.latam.com/en_un/ Western US 81 Hilton Hotels 311Air Baltic https://www.airbaltic.com/en-LV/index Europe 81 Melia Hotels 327Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 84 Alitalia 341Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 86 Air Arabia 352Condor https://www.condor.com/eu/index.jsp Europe 86 Starwood Hotels Sheraton 378Lonely Planet https://www.lonelyplanet.com/ Eastern US 89Korean Air https://www.koreanair.com/global/en.html Eastern Asia 89 # of Requests DistributionVrbo https://www.vrbo.com/ Eastern US 91 <100 36Saudi Airlines http://saudiairlines.com/ Europe 94 100-200 42Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 97 200-300 16Westjet https://www.westjet.com/en-ca/index Eastern US 97 300-400 6KLM https://www.klm.com/home/nl/nl Europe 99 100Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 103Homeaway https://www.homeaway.com/ Eastern US 105Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 109Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 114China Airlines https://www.china-airlines.com/tw/en Eastern Asia 115Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 118Thomas Cook https://www.thomascook.com/ Europe 118Disney Cruises https://disneycruise.disney.go.com/ Eastern US 121Tripadvisor https://www.tripadvisor.com Eastern US 125Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 125Ryanair https://www.ryanair.com Europe 126Booking.com https://www.booking.com Eastern US 132Travelzoo https://www.travelzoo.com/ Eastern US 133Frontier https://www.flyfrontier.com/ Western US 133American Airlines https://www.aa.com Eastern US 135British Airways https://www.britishairways.com Europe 135Air France http://www.airfrance.fr Europe 136Choice Hotels https://www.choicehotels.com/ Eastern US 138Aegean https://en.aegeanair.com/ Europe 139Marriott http://www.marriott.com/default.mi Eastern US 140Agoda.com https://www.agoda.com Eastern Asia 141Easyjet https://www.easyjet.com/en/ Europe 141UIA http://www.flyuia.com/eng/main.html Europe 141Qantas http://www.qantas.com/au/en.html Australia 145Hotwire https://www.hotwire.com/ Western US 146Ixigo https://www.ixigo.com/ Eastern Asia 146Delta Airlines https://www.delta.com Eastern US 148Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 149South African Airways https://www.flysaa.com/ Europe 152Aer LIngus https://www.aerlingus.com/html/home.html Europe 162Kayak.com https://www.kayak.com/ Eastern US 164Best Western https://www.bestwestern.com/en_US.html Eastern US 165Copa Airlines https://www.copaair.com/es/web/gs Eastern US 168Spirit https://www.spirit.com/ Eastern US 171

Vegas https://www.vegas.com/ Western US 175Royal Caribbean https://www.royalcaribbean.com Eastern US 179Austrian https://www.austrian.com/ Europe 179Hotels.com https://hotels.com/ Western US 183Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 190Air Berlin https://www.airberlin.com/en/site/start.php Europe 192Cheaptickets https://www.cheaptickets.com/ Eastern US 197Emirates https://www.emirates.com/ae/english/ Europe 198RCI http://www.rci.com/ Eastern US 201Japan Airlines http://www.jal.co.jp/ Eastern Asia 202Iberia http://www.iberia.com/ Europe 204Wotif https://www.wotif.com/ Australia 208Aeroflot http://www.aeroflot.ru/ru-ru Europe 210Expedia https://www.expedia.com Western US 226Virgin Australia https://www.virginaustralia.com/au/en/ Australia 226Flybe http://www.flybe.com/ Europe 226Orbitz https://www.orbitz.com/ Eastern US 233Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 233Priceline https://priceline.com/home/ Eastern US 236Carnival https://www.carnival.com/ Eastern US 249Expedia Canada https://www.expedia.ca/ Eastern US 282Travelocity https://www.travelocity.com/ Eastern US 286Princess Cruises http://www.princess.com/ Western US 294Ana.co.jp http://www.ana.co.jp Eastern Asia 298Hilton http://www3.hilton.com/en/index.html Eastern US 311Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 311Melia Hotels https://www.melia.com/ Europe 327Alitalia https://www.alitalia.com/it_it Europe 341Air Arabia http://www.airarabia.com/en Europe 352Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 378

Website URL Tested From First ViewAeroplan https://www4.aeroplan.com/ Eastern US 600Vacations to go http://vacationstogo.com/ Eastern US 1189Kayak.com https://www.kayak.com/ Eastern US 1265Priceline https://www.priceline.com/home/ Eastern US 1324Tripadvisor https://www.tripadvisor.com Eastern US 1456Hotwire https://www.hotwire.com/ Western US 1687Southwest Airlines https://www.southwest.com Western US 1745Vrbo https://www.vrbo.com/ Eastern US 1820Vegas https://www.vegas.com/ Western US 1895United Airlines https://www.united.com Eastern US 1897Homeaway https://www.homeaway.com/ Eastern US 1910Hotels.com https://hotels.com/ Western US 1932Turkish Airlines http://www.turkishairlines.com/en-int/ Europe 1952Booking.com https://www.booking.com Eastern US 1956Travelzoo https://www.travelzoo.com/ Eastern US 1964Frontier https://www.flyfrontier.com/ Western US 2047Westjet https://www.westjet.com/en-ca/index Eastern US 2107Saudi Airlines http://saudiairlines.com/ Europe 2236Couchsurfing https://www.couchsurfing.com/ Western US 2391Hyatt https://www.hyatt.com/ Eastern US 2395Lonely Planet https://www.lonelyplanet.com/ Eastern US 2408American Airlines https://www.aa.com Eastern US 2501Best Western https://www.bestwestern.com/en_US.html Eastern US 2565NCL https://www.ncl.com/eu/en/ Eastern US 2580HRS http://www.hrs.de/ Europe 2711Expedia https://www.expedia.com Western US 2844Delta Airlines https://www.delta.com Eastern US 2961Agoda.com https://www.agoda.com Eastern Asia 2969Orbitz https://www.orbitz.com/ Eastern US 3034Amadeus https://www.amadeus.net/ Europe 3125Starwood Hotels Sheraton http://www.starwoodhotels.com/sheraton/index.html Eastern US 3227Skyscanner https://www.skyscanner.com/ Europe 3259Travelocity https://www.travelocity.com/ Eastern US 3299Princess Cruises http://www.princess.com/ Western US 3396Trivago https://www.trivago.com/ Europe 3410LATAM Airlines https://www.latam.com/en_un/ Western US 3433Jet Airways http://www.jetairways.com/EN/GL/Home.aspx Europe 3496UIA http://www.flyuia.com/eng/main.html Europe 3610Allegiant Air https://www.allegiantair.com/ Western US 3686Cheaptickets https://www.cheaptickets.com/ Eastern US 3773Pakistan Intl. Airlines http://www4.piac.com.pk/pianew/ Eastern Asia 3792One Travel https://www.onetravel.com/ Eastern US 3793Carnival https://www.carnival.com/ Eastern US 3840Swiss https://www.swiss.com/CH/en Europe 4165RCI http://www.rci.com/ Eastern US 4196Thomas Cook https://www.thomascook.com/ Europe 4234Spirit https://www.spirit.com/ Eastern US 4251Royal Caribbean https://www.royalcaribbean.com Eastern US 4388Japan Airlines http://www.jal.co.jp/ Eastern Asia 4465

Ethiopian Airlines https://www.ethiopianairlines.com/ Europe 4560Spicejet http://www.spicejet.com/ Eastern Asia 4698Hawaiian Airlines https://www.hawaiianairlines.com/ Western US 4763Alaska Air https://www.alaskaair.com/ Western US 4810Easyjet https://www.easyjet.com/en/ Europe 5030IndiGo https://www.goindigo.in/ Eastern Asia 5056Marriott http://www.marriott.com/default.mi Eastern US 5070Thai Airways http://www.thaiairways.com/en_TH/index.page Eastern Asia 5115Choice Hotels https://www.choicehotels.com/ Eastern US 5228Finnair https://www.finnair.com/fi/fi/ Europe 5449Cebu Pacific https://www.cebupacificair.com/ Eastern Asia 5498Philippine Airlines https://www.philippineairlines.com/en Eastern Asia 5498Hostelworld http://www.hostelworld.com/ Europe 5570Expedia Canada https://www.expedia.ca/ Eastern US 5663Flybe http://www.flybe.com/ Europe 6035KLM https://www.klm.com/home/nl/nl Europe 6109Wotif https://www.wotif.com/ Australia 6131Condor https://www.condor.com/eu/index.jsp Europe 6410Iberia http://www.iberia.com/ Europe 6655Lufthansa http://www.lufthansa.com/xx/en/Homepage Europe 6739Ixigo https://www.ixigo.com/ Eastern Asia 6858Disney Cruises https://disneycruise.disney.go.com/ Eastern US 7125Air Canada https://www.aircanada.com/ca/en/aco/home.html Eastern US 7126Aegean https://en.aegeanair.com/ Europe 7153Austrian https://www.austrian.com/ Europe 7214Srilankan.com http://www.srilankan.com/en_uk/lk Eastern Asia 7264Brussels Airlines https://www.brusselsairlines.com/en-be/ Europe 7435Air France http://www.airfrance.fr Europe 7582Hilton http://www3.hilton.com/en/index.html Eastern US 7629 Highest Index 56197Qantas http://www.qantas.com/au/en.html Australia 7881 Average 6133British Airways https://www.britishairways.com Europe 7964 Lowest Index 600Hilton Hotels http://www3.hilton.com/en/index.html Eastern US 8036Qatar Airways http://www.qatarairways.com/global/en/homepage.page Europe 8378Korean Air https://www.koreanair.com/global/en.html Eastern Asia 8672Aeroflot http://www.aeroflot.ru/ru-ru Europe 8756Cathay Pacific https://www.cathaypacific.com/cx/en_HK.html Eastern Asia 9973Emirates https://www.emirates.com/ae/english/ Europe 10017Air Berlin https://www.airberlin.com/en/site/start.php Europe 10328Copa Airlines https://www.copaair.com/es/web/gs Eastern US 10332Air Baltic https://www.airbaltic.com/en-LV/index Europe 10477Ana.co.jp http://www.ana.co.jp Eastern Asia 10888Ryanair https://www.ryanair.com Europe 11217Alitalia https://www.alitalia.com/it_it Europe 12384Lot http://www.lot.com/pl/en/ Europe 12906South African Airways https://www.flysaa.com/ Europe 13310Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtml Europe 15685Melia Hotels https://www.melia.com/ Europe 16493Air Arabia http://www.airarabia.com/en Europe 16512Virgin Australia https://www.virginaustralia.com/au/en/ Australia 17718Aer LIngus https://www.aerlingus.com/html/home.html Europe 18568

China Airlines https://www.china-airlines.com/tw/en Eastern Asia 56197

Website URL Tested From Uptime % (between 2017-02-20 and 2017-03-06)Booking.com https://www.booking.comEastern US 100 Uptime of top 100 Travel sitesTripadvisor https://www.tripadvisor.comEastern US 100 Lowest uptime 56.99Expedia https://www.expedia.comWestern US 99.75 Average uptime 99.17Hotels.com https://hotels.com/Western US 100 Highest uptime 100Kayak.com https://www.kayak.com/Eastern US 99.95Southwest Airlineshttps://www.southwest.comWestern US 100Agoda.com https://www.agoda.comEastern Asia 100 Total Accrued Downtime:Delta Airlines https://www.delta.comEastern US 99.99 16 days, 13 hours, 9 minutes, 48 secondsRyanair https://www.ryanair.comEurope 100United Airlines https://www.united.comEastern US 100American Airlineshttps://www.aa.comEastern US 100Priceline https://priceline.com/home/Eastern US 100Marriott http://www.marriott.com/default.miEastern US 100Hilton http://www3.hilton.com/en/index.htmlEastern US 100Ana.co.jp http://www.ana.co.jpEastern Asia 100Qatar Airways http://www.qatarairways.com/global/en/homepage.pageEurope 100Emirates https://www.emirates.com/ae/english/Europe 99.98Easyjet https://www.easyjet.com/en/Europe 100Orbitz https://www.orbitz.com/Eastern US 99.86Vrbo https://www.vrbo.com/Eastern US 99.84Japan Airlines http://www.jal.co.jp/Eastern Asia 100Travelocity https://www.travelocity.com/Eastern US 99.81Lonely Planet https://www.lonelyplanet.com/Eastern US 99.75Couchsurfing https://www.couchsurfing.com/Western US 99.98Homeaway https://www.homeaway.com/Eastern US 99.84British Airways https://www.britishairways.comEurope 100Hotwire https://www.hotwire.com/Western US 99.93Lufthansa http://www.lufthansa.com/xx/en/HomepageEurope 56.99Skyscanner https://www.skyscanner.com/Europe 99.94Turkish Airlines http://www.turkishairlines.com/en-int/Europe 99.95Trivago https://www.trivago.com/Europe 99.93Saudi Airlines http://saudiairlines.com/Europe 100Aeroflot http://www.aeroflot.ru/ru-ruEurope 100KLM https://www.klm.com/home/nl/nlEurope 100Hostelworld http://www.hostelworld.com/Europe 99.97Alaska Air https://www.alaskaair.com/Western US 100Cathay Pacific https://www.cathaypacific.com/cx/en_HK.htmlEastern Asia 100Spirit https://www.spirit.com/Eastern US 98.01Hyatt https://www.hyatt.com/Eastern US 98.92

Jet Airways http://www.jetairways.com/EN/GL/Home.aspxEurope 99.98Cebu Pacific https://www.cebupacificair.com/Eastern Asia 99.75Air Canada https://www.aircanada.com/ca/en/aco/home.htmlEastern US 100Expedia Canada https://www.expedia.ca/Eastern US 99.48Air Arabia http://www.airarabia.com/enEurope 100IndiGo https://www.goindigo.in/Eastern Asia 99.32Iberia http://www.iberia.com/Europe 99.63LATAM Airlines https://www.latam.com/en_un/Western US 100Carnival https://www.carnival.com/Eastern US 100Accor Hotels http://www.accorhotels.com/gb/united-kingdom/index.shtmlEurope 100Travelzoo https://www.travelzoo.com/Eastern US 100Frontier https://www.flyfrontier.com/Western US 96.54Amadeus https://www.amadeus.net/Europe 100Royal Caribbean https://www.royalcaribbean.comEastern US 100Air Berlin https://www.airberlin.com/en/site/start.phpEurope 100Alitalia https://www.alitalia.com/it_itEurope 100Korean Air https://www.koreanair.com/global/en.htmlEastern Asia 100Spicejet http://www.spicejet.com/Eastern Asia 100One Travel https://www.onetravel.com/Eastern US 100Qantas http://www.qantas.com/au/en.htmlAustralia 100Cheaptickets https://www.cheaptickets.com/Eastern US 99.77Swiss https://www.swiss.com/CH/enEurope 99.98Thai Airways http://www.thaiairways.com/en_TH/index.pageEastern Asia 100Westjet https://www.westjet.com/en-ca/indexEastern US 100Allegiant Air https://www.allegiantair.com/Western US 100Aegean https://en.aegeanair.com/Europe 99.71Choice Hotels https://www.choicehotels.com/Eastern US 99.97Aer LIngus https://www.aerlingus.com/html/home.htmlEurope 100RCI http://www.rci.com/Eastern US 100China Airlines https://www.china-airlines.com/tw/enEastern Asia 100HRS http://www.hrs.de/Europe 100Princess Cruises http://www.princess.com/Western US 100NCL https://www.ncl.com/eu/en/Eastern US 100Ixigo https://www.ixigo.com/Eastern Asia 99.99Ethiopian Airlineshttps://www.ethiopianairlines.com/Europe 100Best Western https://www.bestwestern.com/en_US.htmlEastern US 88.51Air France http://www.airfrance.frEurope 99.99Virgin Australia https://www.virginaustralia.com/au/en/Australia 100UIA http://www.flyuia.com/eng/main.htmlEurope 99.93Finnair https://www.finnair.com/fi/fi/Europe 99.99

Aeroplan https://www4.aeroplan.com/Eastern US 90.22Philippine Airlineshttps://www.philippineairlines.com/enEastern Asia 99.98Copa Airlines https://www.copaair.com/es/web/gsEastern US 99.64Melia Hotels https://www.melia.com/Europe 99.93Vacations to go http://vacationstogo.com/Eastern US 99.95Thomas Cook https://www.thomascook.com/Europe 100Disney Cruises https://disneycruise.disney.go.com/Eastern US 99.88Brussels Airlines https://www.brusselsairlines.com/en-be/Europe 100South African Airwayshttps://www.flysaa.com/Europe 99.37Hawaiian Airlineshttps://www.hawaiianairlines.com/Western US 99.99Pakistan Intl. Airlineshttp://www4.piac.com.pk/pianew/Eastern Asia 99.95Hilton Hotels http://www3.hilton.com/en/index.htmlEastern US 100Vegas https://www.vegas.com/Western US 99.95Lot http://www.lot.com/pl/en/Europe 99.97Air Baltic https://www.airbaltic.com/en-LV/indexEurope 100Starwood Hotels Sheratonhttp://www.starwoodhotels.com/sheraton/index.htmlEastern US 99.99Wotif https://www.wotif.com/Australia 99.87Flybe http://www.flybe.com/Europe 100Condor https://www.condor.com/eu/index.jspEurope 99.97Austrian https://www.austrian.com/Europe 99.99Srilankan.com http://www.srilankan.com/en_uk/lkEastern Asia 93.74