P?rformanc? t?sting: Aft?r an application go?s via th? ?ntir? softwar? d?v?lopm?nt proc?ss, it n??ds p?rformanc? t?sting. This t?sts how w?ll th? application p?rforms und?r several problems that us?rs may ?ncount?r. P?rformanc? t?sting includ?s diff?r?nt typ?s lik? load t?sting (to s?? the way it handl?s numerous us?rs), ?nduranc? t?sting (to t?st