42 Providing temporary use of on-line non-downloadable software for testing web applications; Providing temporary use of on-line non-downloadable software for testing changes to web applications; Providing temporary use of on-line non-downloadable software for collecting web application activity; Providing temporary use of on-line non-downloadable software for recording activity of end-users; Providing temporary use of on-line non-downloadable software for testing potential changes to web applications; Providing temporary use of on-line non-downloadable software for testing potential changes to web applications against collected web application activity; Providing temporary use of on-line non-downloadable software for testing potential changes to web application against recorded end-user activity; Providing temporary use of on-line non-downloadable software for simulating behavior of a web application implemented according to proposed code changes; Software as a Service (SaaS) featuring software for testing web applications; Software as a Service (SaaS) featuring software for testing changes to web applications; Software as a Service (SaaS) featuring software for collecting web application activity; Software as a Service (SaaS) featuring software for recording activity of end-users; Software as a Service (SaaS) featuring software for testing potential changes to web applications; Software as a Service (SaaS) featuring software for testing potential changes to web applications against collected web application activity; Software as a Service (SaaS) featuring software for testing potential changes to web application against recorded end-user activity; Software as a Service (SaaS) featuring software for simulating behavior of a web application implemented according to proposed code changes; Providing temporary use of on-line non-downloadable software for capturing screenshots of website activity; Software as a Service (SaaS) featuring software for capturing screenshots of website activity