CTT tracking and usage
Websites using CTT by countrymarket share
8.2%
🇺🇸US3.3%
🇬🇧GB3.1%
🇩🇪DE2.3%
🇦🇺AU2.1%
🇫🇷FR1.9%
🇻🇳VN1.9%
🇷🇺RU1.8%
🇨🇦CAWebsites using CTT by industrymarket share · top 6 industries
Education
Shopping
Hospitality & Restaurants
Technology & Computing
Food & Drink
Marketing & Advertising
0%6.3%13%19%25%
Download report
We track 78,596 websites using CTT, along with their country, traffic, industry and platforms. There are 6,474 websites using CTT in United States.
Filter by country
🇺🇸 United States6,474 sites
🇬🇧 United Kingdom2,590 sites
🇩🇪 Germany2,473 sites
🇦🇺 Australia1,844 sites
🇫🇷 France1,689 sites
🇻🇳 Viet Nam1,474 sites
🇷🇺 Russian Federation1,471 sites
🇨🇦 Canada1,417 sites
🇹🇷 Turkey1,249 sites
🇧🇷 Brazil1,179 sites
🇵🇹 Portugal1,162 sites
🇪🇸 Spain1,020 sites
🇮🇹 Italy982 sites
🇮🇳 India853 sites
🇳🇱 Netherlands816 sites
🇨🇭 Switzerland701 sites
🇯🇵 Japan668 sites
🇵🇱 Poland627 sites
🇧🇪 Belgium454 sites
🇨🇿 Czechia361 sites
🇨🇳 China341 sites
🇦🇹 Austria299 sites
🇳🇿 New Zealand291 sites
🇸🇪 Sweden276 sites
🇲🇽 Mexico268 sites
🇭🇺 Hungary260 sites
🇷🇴 Romania254 sites
🇮🇷 Iran, Islamic Republic of252 sites
🇩🇰 Denmark237 sites
🇿🇦 South Africa194 sites
🇳🇴 Norway184 sites
🇮🇱 Israel178 sites
🇮🇪 Ireland168 sites
🇬🇷 Greece161 sites
🇮🇩 Indonesia160 sites
🇸🇬 Singapore160 sites
🇨🇱 Chile156 sites
🇦🇷 Argentina152 sites
🇳🇬 Nigeria145 sites
🇸🇰 Slovakia139 sites
🇰🇷 Korea, Republic of138 sites
🇫🇮 Finland121 sites
🇹🇼 Taiwan, Province of China105 sites
🇦🇪 United Arab Emirates103 sites
🇺🇦 Ukraine100 sites
🇲🇾 Malaysia89 sites
🇭🇰 Hong Kong88 sites
🇪🇬 Egypt76 sites
🇨🇴 Colombia68 sites
🇱🇹 Lithuania63 sites
🇹🇭 Thailand63 sites
🇪🇪 Estonia60 sites
🇵🇪 Peru54 sites
🇵🇭 Philippines53 sites
🇷🇸 Serbia49 sites
🇸🇮 Slovenia45 sites
🇧🇾 Belarus44 sites
🇭🇷 Croatia43 sites
🇧🇬 Bulgaria41 sites
🇵🇰 Pakistan41 sites
🇱🇺 Luxembourg34 sites
🇱🇻 Latvia32 sites
🇸🇦 Saudi Arabia31 sites
🇹🇹 Trinidad and Tobago27 sites
🇪🇨 Ecuador27 sites
🇮🇸 Iceland26 sites
🇰🇿 Kazakhstan25 sites
🇰🇪 Kenya24 sites
🇧🇩 Bangladesh23 sites
🇱🇰 Sri Lanka22 sites
🇬🇭 Ghana21 sites
🇺🇾 Uruguay19 sites
🇨🇾 Cyprus18 sites
🇲🇦 Morocco16 sites
🇬🇪 Georgia15 sites
🇵🇷 Puerto Rico15 sites
🇻🇪 Venezuela, Bolivarian Republic of15 sites
🇹🇳 Tunisia14 sites
🇨🇷 Costa Rica13 sites
🇲🇹 Malta12 sites
🇬🇹 Guatemala12 sites
🇵🇦 Panama11 sites
🇳🇵 Nepal10 sites
🇸🇳 Senegal10 sites
🇧🇦 Bosnia and Herzegovina9 sites
🇩🇿 Algeria9 sites
🇦🇿 Azerbaijan8 sites
🇩🇴 Dominican Republic8 sites
🇲🇳 Mongolia8 sites
🇺🇿 Uzbekistan8 sites
🇯🇴 Jordan7 sites
🇲🇴 Macao7 sites
🇲🇩 Moldova, Republic of7 sites
🇰🇾 Cayman Islands7 sites
🇹🇿 Tanzania, United Republic of7 sites
🇲🇨 Monaco6 sites
🇲🇰 North Macedonia6 sites
🇶🇦 Qatar6 sites
🇺🇬 Uganda6 sites
🇱🇮 Liechtenstein6 sites
🇵🇾 Paraguay6 sites
🇰🇼 Kuwait6 sites
🇲🇲 Myanmar5 sites
🇧🇴 Bolivia, Plurinational State of5 sites
🇦🇬 Antigua and Barbuda5 sites
🇨🇲 Cameroon5 sites
🇹🇬 Togo4 sites
🇧🇭 Bahrain4 sites
🇲🇿 Mozambique4 sites
🇲🇸 Montserrat4 sites
🇭🇳 Honduras4 sites
🇧🇯 Benin4 sites
🇵🇸 Palestine, State of3 sites
🇷🇪 Réunion3 sites
🇧🇳 Brunei Darussalam3 sites
🇱🇧 Lebanon3 sites
🇸🇻 El Salvador3 sites
🇷🇼 Rwanda3 sites
🇯🇲 Jamaica3 sites
🇸🇲 San Marino3 sites
🇦🇸 American Samoa3 sites
🇳🇨 New Caledonia3 sites
🇿🇼 Zimbabwe3 sites
🇦🇩 Andorra2 sites
🇧🇼 Botswana2 sites
🇸🇱 Sierra Leone2 sites
🇸🇴 Somalia2 sites
🇳🇦 Namibia2 sites
🇵🇬 Papua New Guinea2 sites
🇸🇩 Sudan2 sites
🇲🇺 Mauritius2 sites
🇴🇲 Oman2 sites
🇨🇮 Côte d'Ivoire2 sites
🇹🇨 Turks and Caicos Islands2 sites
🇻🇨 Saint Vincent and the Grenadines2 sites
🇱🇨 Saint Lucia2 sites
🇮🇲 Isle of Man2 sites
🇨🇬 Congo2 sites
🇦🇱 Albania2 sites
🇨🇰 Cook Islands2 sites
🇰🇬 Kyrgyzstan2 sites
🇫🇴 Faroe Islands2 sites
🇪🇹 Ethiopia2 sites
🇧🇹 Bhutan2 sites
🇳🇮 Nicaragua2 sites
🇦🇽 Åland Islands2 sites
🇰🇭 Cambodia1 sites
🇱🇷 Liberia1 sites
🇱🇸 Lesotho1 sites
🇵🇲 Saint Pierre and Miquelon1 sites
🇵🇼 Palau1 sites
🇲🇼 Malawi1 sites
🇨🇫 Central African Republic1 sites
🇧🇸 Bahamas1 sites
🇲🇻 Maldives1 sites
🇯🇪 Jersey1 sites
🇽🇰 Kosovo1 sites
🇱🇦 Lao People's Democratic Republic1 sites
🇬🇸 South Georgia and the South Sandwich Islands1 sites
🇲🇶 Martinique1 sites
🇧🇮 Burundi1 sites
🇸🇷 Suriname1 sites
🇬🇮 Gibraltar1 sites
🇿🇲 Zambia1 sites
🇨🇼 Curaçao1 sites
🇦🇫 Afghanistan1 sites
🇨🇩 Congo, The Democratic Republic of the1 sites
🇬🇵 Guadeloupe1 sites
🇧🇧 Barbados1 sites
🇮🇶 Iraq1 sites
🇹🇲 Turkmenistan1 sites
🇦🇼 Aruba1 sites
🇻🇺 Vanuatu1 sites
🇬🇬 Guernsey1 sites
🇨🇺 Cuba1 sites
🇦🇲 Armenia0 sites
🇫🇲 Micronesia, Federated States of0 sites
🇬🇾 Guyana0 sites
About CTT
CTT is a shipping carrier used by businesses to manage and deliver parcels to customers, with tools for tracking shipments.
Category
Official website
www.ctt.pt↗
Websites using CTT
showing 25 of 78,596| Website | Country | Traffic | Industry |
|---|---|---|---|
| 🇮🇳IN | Top 5K | Education | |
| 🇺🇸US | Top 5K | Software Development | |
| 🇨🇳CN | Top 10K | Consulting | |
| 🇦🇷AR | Top 10K | Shopping | |
| 🇨🇱CL | Top 10K | Shopping | |
| 🇺🇸US | Top 10K | Technology & Computing | |
| 🇺🇸US | Top 10K | Shopping | |
| 🇺🇸US | Top 10K | Print & Publishing | |
| 🇵🇱PL | Top 10K | - | |
| 🇩🇪DE | Top 50K | Automotive | |
| 🇷🇺RU | Top 50K | Technology & Computing | |
| 🇨🇳CN | Top 50K | Hardware & Electronics | |
| 🇺🇸US | Top 50K | Shopping | |
| 🇮🇱IL | Top 50K | Software Development | |
| 🇺🇾UY | Top 50K | Software Development | |
| 🇺🇸US | Top 50K | Consulting | |
| 🇧🇷BR | Top 50K | Software Development | |
| 🇺🇸US | Top 50K | Software Development | |
| 🇺🇸US | Top 50K | Law & Government | |
| 🇨🇾CY | Top 50K | SaaS & Cloud | |
| 🇺🇸US | Top 50K | Hardware & Electronics | |
| 🇺🇸US | Top 50K | - | |
| 🇵🇱PL | Top 50K | Movies & TV | |
| 🇳🇱NL | Top 50K | Books & Literature | |
| 🇦🇹AT | Top 50K | Marketing & Advertising |
Showing 25 of 78,596 websitesView detailed list →
Frequently asked
What is CTT?›
CTT stands for Classical Test Theory, a psychological measurement theory that provides a foundation for understanding how test scores relate to the actual attributes or abilities of test-takers.
How does CTT differ from Item Response Theory (IRT)?›
While CTT focuses on the overall test scores and assumes that all test items are of equal importance, IRT examines the properties of individual test items and their relationship to the overall ability of the test-taker.
What are the main components of CTT?›
The main components of CTT include observed scores, true scores, and measurement error. Observed scores are the actual scores obtained by test-takers, true scores represent their actual ability on the construct being measured, and measurement error refers to any discrepancy between observed scores and true scores.
Why is reliability important in CTT?›
Reliability is crucial in CTT because it indicates the consistency of a test's scores. High reliability indicates that measurement error is minimal, leading to a higher confidence that observed scores accurately represent true scores.
Can CTT be applied to different types of assessments?›
Yes, CTT can be applied to various types of assessments, including but not limited to educational testing, psychological measurement, and evaluation of employee performance. The primary requirement is that the assessment measures a specific, single construct or attribute.
