4 International Colleges & Universities is an international higher education search engine and directory reviewing accredited Universities and Colleges in the world. 4icu.org includes 11,160 Colleges and Universities, ranked by web popularity, in 200 countries. The ranking has been published since May 2005 and is updated every six months, in January and July.

The 4icu.org directory includes worldwide higher education organisations which satisfy the following requirements:

• are officially recognized, licensed or accredited by national or regional bodies such as ministries of education and/or recognized higher education accrediting organizations.

• are officialy entitled to grant four-year undergraduate degrees and/or postgraduate degrees.

• provide traditional face-to-face learning facilities, programs and courses.

The current ranking is based upon an algorithm including five unbiased and independent web metrics extracted from three different search engines:

• Google Page Rank

• Alexa Traffic Rank

• Majestic Seo Referring Domains

• Majestic Seo Citation Flow

• Majestic Seo Trust Flow

The 6 top universities in this ranking system are as follows:

The 10 top universities in I.R.Iran by 4icu.org university web ranking are as follows: