Command line utility bombardier is a fast cross-platform HTTP benchmarking tool written in Go.

Installation with Go 1.17+:

go install github.com/codesenberg/bombardier@latest

Installation with older versions of Go:

go get -u github.com/codesenberg/bombardier

Usage:

bombardier [<flags>] <url>

Flags:

    --help                  Show context-sensitive help (also try --help-long
                            and --help-man).
    --version               Show application version.
-c, --connections=125       Maximum number of concurrent connections
-t, --timeout=2s            Socket/request timeout
-l, --latencies             Print latency statistics
-m, --method=GET            Request method
-b, --body=""               Request body
-f, --body-file=""          File to use as request body
-s, --stream                Specify whether to stream body using chunked
                            transfer encoding or to serve it from memory
    --cert=""               Path to the client's TLS Certificate
    --key=""                Path to the client's TLS Certificate Private Key
-k, --insecure              Controls whether a client verifies the server's
                            certificate chain and host name
-H, --header="K: V" ...     HTTP headers to use(can be repeated)
-n, --requests=[pos. int.]  Number of requests
-d, --duration=10s          Duration of test
-r, --rate=[pos. int.]      Rate limit in requests per second
    --fasthttp              Use fasthttp client
    --http1                 Use net/http client with forced HTTP/1.x
    --http2                 Use net/http client with enabled HTTP/2.0
-p, --print=<spec>          Specifies what to output. Comma-separated list of
                            values 'intro' (short: 'i'), 'progress' (short:
                            'p'), 'result' (short: 'r'). Examples:

                              * i,p,r (prints everything)
                              * intro,result (intro & result)
                              * r (result only)
                              * result (same as above)
-q, --no-print              Don't output anything
-o, --format=<spec>         Which format to use to output the result. <spec>
                            is either a name (or its shorthand) of some format
                            understood by bombardier or a path to the
                            user-defined template, which uses Go's
                            text/template syntax, prefixed with 'path:' string
                            (without single quotes), i.e.
                            "path:/some/path/to/your.template" or
                            "path:C:\some\path\to\your.template" in case of
                            Windows. Formats understood by bombardier are:

                              * plain-text (short: pt)
                              * json (short: j)

Args:

<url>  Target's URL

For detailed documentation on user-defined templates see documentation for package github.com/codesenberg/bombardier/template. Link (GoDoc): https://godoc.org/github.com/codesenberg/bombardier/template