OctoPerf
Loader.io
k6 Cloud
Loadster
WebLOAD
LoadComplete
StresStimulus
LoadView
GNU Wget
HTTrack
SiteSucker
WebCopy
ScrapBook
Web ScrapBook
Offline Explorer
ArchiveBox
OctoPerf is an enterprise-grade performance and load testing platform available both as SaaS and on-premise, designed for engineering teams working on modern, distributed applications. It enables teams to simulate realistic user traffic, identify performance bottlenecks, and validate application scalability through scalable load test execution. Bycombining advanced load modeling, deep performance analytics, and flexible deployment options, OctoPerf supports a wide range of enterprise testing scenarios while remaining significantly more cost-effective than traditional performance testing solutions. As a result, teams can test earlier in the development lifecycle, reduce release risk, and deliver reliable, high-performing applications without slowing development.
OctoPerfLoader.io - Loader.io is a simple cloud-based load testing service
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
k6 Cloud - Managed load testing service built on top of the popular open-source project k6.
SiteSucker - SiteSucker is a Macintosh application that automatically downloads Web sites from the Internet.
Loadster - Loadster is load testing, stress testing, and site monitoring platform. Your site has a breaking point... load test to find it before your users do, and monitor to react quickly to downtime and other problems.
WebCopy - Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.