Programming language: Go
License: MIT License
Tags: Web Frameworks    
Latest version: v1.1.1

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Vestigo - A Standalone Golang URL Router

Join the chat at https://gitter.im/husobee/vestigo Build Status Coverage Status GoDoc


Many fast Golang URL routers are often embedded inside frameworks. Vestigo is a stand alone url router which has respectable performance that passes URL parameters to handlers by embedding them into the request's Form.

There is such an abundance of parts and pieces that can be fit together for go web services, it seems like a shame to have a very fast URL router require the use of one framework, and one context model. This library aims to give the world a fast, and featureful URL router that can stand on it's own, without being forced into a particular web framework.


  1. Radix Tree Based
  2. Attach URL Parameters into Request (PAT style) instead of context
  3. HTTP Compliance (TRACE, OPTIONS, HEAD)
  4. CORS Enabled (per resource access-controls)

TODOs for V1

  • [x] Router functioning with a resource concept attached to leaf nodes
  • [x] Use resources to drive responses to particular Methods (not found v not allowed)
  • [x] Implement Resource and Globally scoped CORS preflights
  • [x] Fix bug in router where handler.allowedMethods is getting populated where it shouldn't be
  • [x] Validate with Tests RFC 2616 Compliance (OPTIONS, etc)

TODOs for V2

  • [ ] Validators for URL params
  • [ ] Implement RFC 6570 URI Parameters


Initial implementation on a fork of standard http performance testing library shows the following:

BenchmarkVestigo_GithubAll         20000             75763 ns/op            9280 B/op        339 allocs/op

I should mention that the above performance is about 2x slower than the fastest URL router I have tested (Echo/Gin), and is slightly worse than HTTPRouter, but I am happy with this performance considering this implementation is the fastest implementation that can handle standard http.HandlerFunc handlers, without forcing end users to use a particular context, or use a non-standard handler function, locking them into an implementation.


package main

import (


func main() {
    router := vestigo.NewRouter()
    // you can enable trace by setting this to true
    vestigo.AllowTrace = true

    // Setting up router global  CORS policy
    // These policy guidelines are overriddable at a per resource level shown below
        AllowOrigin:      []string{"*", "test.com"},
        AllowCredentials: true,
        ExposeHeaders:    []string{"X-Header", "X-Y-Header"},
        MaxAge:           3600 * time.Second,
        AllowHeaders:     []string{"X-Header", "X-Y-Header"},

    // setting two methods on the same resource
    router.Get("/welcome", GetWelcomeHandler)
    router.Post("/welcome", PostWelcomeHandler)

    // URL parameter "name"
    router.Post("/welcome/:name", PostWelcomeHandler)

    // Catch-All methods to allow easy migration from http.ServeMux
    router.HandleFunc("/general", GeneralHandler)

    // Below Applies Local CORS capabilities per Resource (both methods covered)
    // by default this will merge the "GlobalCors" settings with the resource
    // cors settings.  Without specifying the AllowMethods, the router will
    // accept any Request-Methods that have valid handlers associated
    router.SetCors("/welcome", &vestigo.CorsAccessControl{
        AllowMethods: []string{"GET"},                    // only allow cors for this resource on GET calls
        AllowHeaders: []string{"X-Header", "X-Z-Header"}, // Allow this one header for this resource

    log.Fatal(http.ListenAndServe(":1234", router))

func PostWelcomeHandler(w http.ResponseWriter, r *http.Request) {
    name := vestigo.Param(r, "name") // url params live in the request
    w.Write([]byte("welcome " + name + "!"))

func GetWelcomeHandler(w http.ResponseWriter, r *http.Request) {

func GeneralHandler(w http.ResponseWriter, r *http.Request) {
    w.Write([]byte("Gotta catch em all!"))


Router helper methods (Get, Post, ...) support optional middleware (vestigo provides only middleware type, it is up to the user to create one).

router.Get("/welcome", GetWelcomeHandler, someMiddleware)

someMiddleware := func(f http.HandlerFunc) http.HandlerFunc {
    return func(w http.ResponseWriter, r *http.Request) {
        // before
        f(w, r)
        // after

To break the chain (for example in case of authentication middleware, we don't want to continue execution), just do not call passed handler function. Example:

auth := func(f http.HandlerFunc) http.HandlerFunc {
    return func(w http.ResponseWriter, r *http.Request) {
        if authSuccessful() {
            f(w, r)

App Performance with net/http/pprof

It is often very helpful to view profiling information from your web application. Below is an example of hooking up net/http/pprof with vestigo serving the routes:

// Load the routes.
func Load(router *vestigo.Router) {
    router.Get("/debug/pprof/", Index)
    router.Get("/debug/pprof/:pprof", Profile)

// Index shows the profile index.
func Index(w http.ResponseWriter, r *http.Request) {
    pprof.Index(w, r)

// Profile shows the individual profiles.
func Profile(w http.ResponseWriter, r *http.Request) {
    switch vestigo.Param(r, "pprof") {
    case "cmdline":
        pprof.Cmdline(w, r)
    case "profile":
        pprof.Profile(w, r)
    case "symbol":
        pprof.Symbol(w, r)
    case "trace":
        pprof.Trace(w, r)
        Index(w, r)

Note on wildcards: if you want to get the actual path matched by the wildcard you can perform vestigo.Param(*http.Request, "_name") to get the matched path, example below:

router.Get("/*", func(w http.ResponseWriter, r *http.Request) {
    fmt.Println(vestigo.Param(r, "_name"))



If you wish to contribute, please fork this repository, submit an issue, or pull request with your suggestions. Please use gofmt and golint before trying to contribute.

*Note that all licence references and agreements mentioned in the vestigo README section above are relevant to that project's source code only.