Vegeta is both a command line utility and a library for HTTP load testing. See also
ab
.
echo "{{GET https://example.com}}" | vegeta attack -duration={{30s}}
echo "{{GET https://example.com}}" | vegeta attack -insecure -duration={{30s}}
echo "{{GET https://example.com}}" | vegeta attack -duration={{30s}} -rate={{10}}
echo "{{GET https://example.com}}" | vegeta attack -duration={{30s}} | vegeta report
echo "{{GET https://example.com}}" | vegeta attack -duration={{30s}} | vegeta plot > {{path/to/results.html}}
vegeta attack -duration={{30s}} -targets=requests.txt | vegeta report