The website EqWorld has been tested using the powerful search engine Google for the rating of keywords that appear on EqWorld's pages. Listed below are the keywords tested, the respective highest places of EqWorld's pages in Google search results, and the total number of web pages found by Google for the query. The testing was carried out on 19th December 2005.

• mathematical equations 1 and 2 of 17,600,000
• mathematical books 11 of 27,800,000
• algebraic equations 5 and 22 of 5,900,000
• mathematical physics equations 1 and 2 of 7,480,000
• exact solutions 10 and 17 of 27,500,000
• equations exact solutions 1 and 2 of 4,570,000
• differential equations 102 of 15,600,000
• differential equations exact solutions 1 and 2 of 5,720,000
• differential equations books 10 and 13 of 2,420,000
• differential equations systems 24 of 8,900,000
• differential equations software 28 of 3,090,000
• ordinary differential equations 26 of 2,310,000
• partial differential equations 23 and 47 of 5,080,000
• partial differential equations linear 9 and 15 of 8,940,000
• partial differential equations nonlinear 14 and 21 of 4,840,000
• hyperbolic equations 4 and 5 of 1,430,000
• elliptic equations 5 and 14 of 1,980,000
• parabolic equations 7 and 11 of 1,330,000
• integral equations 11 and 12 of 6,770,000
• integral equations linear 6 and 7 of 4,210,000
• integral equations nonlinear 2 and 3 of 2,530,000
• integral equations books 3 and 17 of 1,540,000
• functional equations 4 and 5 of 6,560,000
• functional equations books 4 and 5 of 1,940,000
• functional differential equations 8 and 12 of 2,410,000
• integrals 34 of 4,750,000
• integral transforms 4 of 1,570,000
• special functions 20 of 124,000,000
• heat equation 15 and 35 of 5,840,000
• diffusion equation 27 and 41 of 4,640,000
• wave equation 21 of 8,610,000
• Laplace equation 14 of 1,640,000
• boundary layer equations 7 and 13 of 1,620,000
• Klein-Gordon equation 8 and 13 of 147,000
• Korteweg-de Vries equation 6 and 7 of 96,200
• Navier-Stokes equations 14 of 1,270,000
• Schrodinger equation 15 and 16 of 821,000
• Bessel equation 8 and 9 of 1,710,000
• Abel equation 4 and 5 of 800,000
• Mathieu equation 8 and 17 of 688,000
• Riccati equation 5 and 19 of 223,000
• Legendre equation 9 and 10 of 645,000
• Volterra integral equations 12 and 30 of 135,000
• Fredholm integral equations 13 and 32 of 151,000
• Cauchy equation 10 and 12 of 1,450,000
• Monge-Ampere equation 6 and 7 of 17,800
• Ermakov equation 1 and 2 of 20,100
• method separation of variables 11 and 12 of 3,130,000