Rank
10 4
Visitors
1.85B 483.2M

Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

Industry
Rank
181 10
Visitors
137M 7.2M

Google.

Rank
305 14
Visitors
85.7M 3.4M

Wikimedia is a global movement whose mission is to bring free educational content to the world.

Rank
429 135
Visitors
63.1M 13.8M

The dictionary by Merriam-Webster is America's most trusted online dictionary for English word definitions, meanings, and pronunciation. #wordsmatter

Rank
513 202
Visitors
53.7M 13.9M

Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.

Industry
Rank
845 22
Visitors
34.3M 783.3K

Google.

Rank
998 293
Visitors
29.5M 6.1M

Dictionary.com is the world’s leading online source for English definitions, synonyms, word origins and etymologies, audio pronunciations, example sentences, slang phrases, idioms, word games, legal and medical terms, Word of the Day and more. For over 20 years, Dictionary.com has been helping millions of people improve their use of the English language with its free digital services.

Rank
1,122 649
Visitors
26.6M 8.9M

Thesaurus and word tools for your creative needs. Find the word you're looking for!

Rank
1,159 327
Visitors
25.8M 5.2M

Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information.

Rank
1,532 293
Visitors
20.1M 2.9M

Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, translations, origin and examples.

Industry
Rank
1,610 757
Visitors
19.2M 14.8M

Please Wait... | Cloudflare.

Rank
1,775 827
Visitors
17.6M 5.1M

Please Wait... | Cloudflare.

Industry
Rank
2,526 47
Visitors
12.8M 210.6K

ProQuest powers research in academic, corporate, government, public and school libraries around the world with unique content. Explore millions of resources from scholarly journals, books, newspapers, videos and more.

Industry
Rank
2,824 263
Visitors
11.6M 891.8K

Online Bible Study Suite. Topical, Greek and Hebrew study tools, plus concordances, commentaries, sermons and devotionals.

Rank
2,885 27
Visitors
11.4M 94.8K

Free Online Calculator for finance, math, algebra, trigonometry, fractions, physics, statistics, technology, time and more. Use an online calculator for free, search or suggest a new calculator that we can build. Conversions and calculators to use online for free.

Rank
3,428 1K
Visitors
9.7M 4M

HowStuffWorks explains thousands of topics, ranging from the flu to black holes to conspiracy theories, with video and illustrations so you can learn how everything works.

Rank
3,483 762
Visitors
9.6M 1.6M

ManualsLib - Makes it easy to find manuals online!.

Industry
Rank
4,063 300
Visitors
8.4M 518.5K

Icy Veins provides news and detailed guides for World of Warcraft, WoW Classic, Hearthstone, Diablo III, Overwatch, Heroes of the Storm, and StarCraft 2.

Rank
4,271 680
Visitors
8M 1.3M

無料ウェブ百科事典。DIGITALIOとC-POTが運営。出典が明確なコンテンツを収録し、信憑性の高さを重視する。

Rank
5,866 165
Visitors
6M 148K

Buy & Sell On Gumtree: South Africa‘s Favourite Free Classifieds.

Industry
Rank
6,166 2K
Visitors
5.7M 3.8M

Google.

Rank
6,910 664
Visitors
5.2M 493K

Read doctor-produced health and medical information written for you to make informed decisions about your health concerns.

Rank
7,686 1K
Visitors
4.7M 1.1M

Home of the Official website of the State of NJ

Rank
8,171 1K
Visitors
4.5M 717.5K

UC Riverside is the nation’s leader for social mobility with a diverse & inclusive community pioneering research with impacts around the globe.

Rank
8,215 581
Visitors
4.4M 264.5K

SET OF WEB-BASED MULTILINGUAL TOOLS DESIGNED TO REMOVE LANGUAGE BARRIERS ACROSS THE WORLD WIDE WEB

Industry
Rank
8,499 1K
Visitors
4.3M 625.3K

A huge collection of all the celebrity net worths of the world. How much is Floyd Mayweather worth? Compare yourself to your favorite celebrity.

Rank
9,437 1K
Visitors
3.9M 446.7K

Your go-to source for professional IT insight, from defining complex tech jargon to exploring the latest tech trends.

Rank
9,847 4K
Visitors
3.8M 1M

Phys.org - News and Articles on Science and Technology.