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 17th March 2006.

• mathematical equations 1 and 11 of 32,000,000
• mathematical books 6 of 50,700,000
• algebraic equations 2 and 30 of 10,100,000
• mathematical physics equations 1 and 2 of 13,200,000
• exact solutions 8 and 9 of 54,900,000
• equations exact solutions 1 and 2 of 9,160,000
• differential equations 99 of 26,900,000
• differential equations exact solutions 1 and 2 of 10,100,000
• differential equations books 6 and 7 of 4,740,000
• differential equations systems 8 of 16,600,000
• differential equations software 24 of 6,920,000
• ordinary differential equations 35 of 5,210,000
• partial differential equations 19 of 10,700,000
• partial differential equations linear 8 and 9 of 15,900,000
• partial differential equations nonlinear 14 and 15 of 9,660,000
• hyperbolic equations 4 and 5 of 2,290,000
• elliptic equations 4 and 5 of 2,790,000
• parabolic equations 5 and 14 of 1,800,000
• integral equations 10 and 13 of 11,500,000
• integral equations linear 5 and 6 of 7,630,000
• integral equations nonlinear 2 and 3 of 3,150,000
• integral equations books 13 and 14 of 2,350,000
• functional equations 5 and 6 of 12,500,000
• functional equations books 1 and 11 of 3,250,000
• functional differential equations 8 and 9 of 5,620,000
• difference equations 65 of 20,100,000
• integrals 31 of 7,570,000
• integral transforms 4 of 3,280,000
• special functions 19 of 237,000,000
• heat equation 18 and 29 of 11,300,000
• diffusion equation 19 and 25 of 8,130,000
• wave equation 14 of 14,300,000
• Laplace equation 9 of 1,930,000
• boundary layer equations 5 and 6 of 3,250,000
• Klein-Gordon equation 8 and 9 of 235,000
• Korteweg-de Vries equation 6 and 7 of 144,000
• Navier-Stokes equations 18 of 1,500,000
• Schrodinger equation 16 and 17 of 1,400,000
• Bessel equation 6 and 7 of 1,400,000
• Abel equation 3 and 4 of 1,190,000
• Mathieu equation 6 of 759,000
• Riccati equation 4 and 5 of 270,000
• Legendre equation 8 and 9 of 902,000
• Volterra integral equations 7 and 12 of 196,000
• Fredholm integral equations 10 and 11 of 213,000
• Cauchy equation 10 and 16 of 1,780,000
• Monge-Ampere equation 5 and 6 of 28,300
• Ermakov equation 1 and 2 of 29,500
• Emden-Fowler equation 5 and 6 of 690
• mathematical software 103 of 69,900,000
• method separation of variables 11 and 12 of 7,610,000
• mathematical humor 12 of 2,080,000