impact:

sophia.org

SOPHIA.org is a website which offers free educational tutorials, free certification programs for teachers, as well as low-cost online college credit courses. SOPHIA.org was founded by Don Smithmier, It launched in public beta in March 2011. By 2013 the site was being used by more than 70,000 students and teachers around the world. SOPHIA.org has more than 34,000 free, short-form tutorials developed by over 6,000 teachers including 50 developed by Bill Nye The Science Guy and tutorials developed by physicians at the Mayo Clinic. The tutorials are available in a variety of multimedia formats including screencasts, videos, slideshows and podcasts. More information...

According to PR-model, sophia.org is ranked 494,681st in multilingual Wikipedia, in particular this website is ranked 312,154th in English Wikipedia.

The website is placed before 303gallery.com and after bishopofmaidstone.org in the BestRef global ranking of the most important sources of Wikipedia.

#Language
PR-model F-model AR-model
494,681st place
875,004th place
453,802nd place
312,154th place
625,974th place
224,716th place
arArabic
61,578th place
167,108th place
137,125th place
166,391st place
149,892nd place
203,203rd place