diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..3c94c19
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,9 @@
+root = true
+
+[*]
+indent_style = tab
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
diff --git a/.gitignore b/.gitignore
index 420c61b..c6b8d74 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,8 +3,10 @@
 
 # But not these files...
 !/.gitignore
+!/.editorconfig
 
 !*.go
+!*.txt
 !go.sum
 !go.mod
 
diff --git a/Benchmarks_test.go b/Benchmarks_test.go
new file mode 100644
index 0000000..4d8a7f5
--- /dev/null
+++ b/Benchmarks_test.go
@@ -0,0 +1,38 @@
+package router_test
+
+import (
+	"testing"
+
+	"git.akyoto.dev/go/router"
+)
+
+func BenchmarkLookup(b *testing.B) {
+	tree := router.Tree[string]{}
+	routes := loadRoutes("testdata/github.txt")
+
+	for _, route := range routes {
+		tree.Add(route, "")
+	}
+
+	for i := 0; i < b.N; i++ {
+		for _, route := range routes {
+			tree.Lookup(route)
+		}
+	}
+}
+
+func BenchmarkLookupNoAlloc(b *testing.B) {
+	tree := router.Tree[string]{}
+	routes := loadRoutes("testdata/github.txt")
+	addParameter := func(string, string) {}
+
+	for _, route := range routes {
+		tree.Add(route, "")
+	}
+
+	for i := 0; i < b.N; i++ {
+		for _, route := range routes {
+			tree.LookupNoAlloc(route, addParameter)
+		}
+	}
+}
diff --git a/Parameter.go b/Parameter.go
new file mode 100644
index 0000000..b1c7cd2
--- /dev/null
+++ b/Parameter.go
@@ -0,0 +1,7 @@
+package router
+
+// Parameter is a URL parameter.
+type Parameter struct {
+	Key   string
+	Value string
+}
diff --git a/README.md b/README.md
index b747837..00b70fe 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,12 @@
 # router
 
-Radix tree router.
\ No newline at end of file
+HTTP router based on radix trees.
+
+## Benchmarks
+
+Loading and requesting every single route in [github.txt](testdata/github.txt):
+
+```
+BenchmarkLookup-12           	   50715	     23207 ns/op	   11649 B/op	     204 allocs/op
+BenchmarkLookupNoAlloc-12    	  148033	      7993 ns/op	       0 B/op	       0 allocs/op
+```
\ No newline at end of file
diff --git a/tree.go b/Tree.go
similarity index 77%
rename from tree.go
rename to Tree.go
index 18a7a32..7ed04b6 100644
--- a/tree.go
+++ b/Tree.go
@@ -14,15 +14,15 @@ const (
 	controlNext  controlFlow = 2
 )
 
-// tree represents a radix tree.
-type tree[T comparable] struct {
+// Tree represents a radix tree.
+type Tree[T comparable] struct {
 	root        treeNode[T]
 	static      map[string]T
 	canBeStatic [2048]bool
 }
 
-// add adds a new element to the tree.
-func (tree *tree[T]) add(path string, data T) {
+// Add adds a new element to the tree.
+func (tree *Tree[T]) Add(path string, data T) {
 	if !strings.Contains(path, ":") && !strings.Contains(path, "*") {
 		if tree.static == nil {
 			tree.static = map[string]T{}
@@ -113,14 +113,24 @@ func (tree *tree[T]) add(path string, data T) {
 	}
 }
 
-// find finds the data for the given path and assigns it to ctx.handler, if available.
-func (tree *tree[T]) find(path string, ctx *context) {
+// Lookup finds the data for the given path.
+func (tree *Tree[T]) Lookup(path string) (T, []Parameter) {
+	var params []Parameter
+
+	data := tree.LookupNoAlloc(path, func(key string, value string) {
+		params = append(params, Parameter{key, value})
+	})
+
+	return data, params
+}
+
+// LookupNoAlloc finds the data for the given path without using any memory allocations.
+func (tree *Tree[T]) LookupNoAlloc(path string, addParameter func(key string, value string)) T {
 	if tree.canBeStatic[len(path)] {
 		handler, found := tree.static[path]
 
 		if found {
-			ctx.handler = handler
-			return
+			return handler
 		}
 	}
 
@@ -129,6 +139,7 @@ func (tree *tree[T]) find(path string, ctx *context) {
 		offset             uint
 		lastWildcardOffset uint
 		lastWildcard       *treeNode[T]
+		empty              T
 		node               = &tree.root
 	)
 
@@ -140,14 +151,12 @@ begin:
 			// node: /blog|
 			// path: /blog|
 			if i-offset == uint(len(node.prefix)) {
-				ctx.handler = node.data
-				return
+				return node.data
 			}
 
 			// node: /blog|feed
 			// path: /blog|
-			ctx.handler = nil
-			return
+			return empty
 		}
 
 		// The node we just checked is entirely included in our path.
@@ -182,15 +191,14 @@ begin:
 				for {
 					// We reached the end.
 					if i == uint(len(path)) {
-						ctx.addParameter(node.prefix, path[offset:i])
-						ctx.handler = node.data
-						return
+						addParameter(node.prefix, path[offset:i])
+						return node.data
 					}
 
 					// node: /:id|/posts
 					// path: /123|/posts
 					if path[i] == separator {
-						ctx.addParameter(node.prefix, path[offset:i])
+						addParameter(node.prefix, path[offset:i])
 						index := node.indices[separator-node.startIndex]
 						node = node.children[index]
 						offset = i
@@ -205,13 +213,11 @@ begin:
 			// node: /|*any
 			// path: /|image.png
 			if node.wildcard != nil {
-				ctx.addParameter(node.wildcard.prefix, path[i:])
-				ctx.handler = node.wildcard.data
-				return
+				addParameter(node.wildcard.prefix, path[i:])
+				return node.wildcard.data
 			}
 
-			ctx.handler = nil
-			return
+			return empty
 		}
 
 		// We got a conflict.
@@ -219,21 +225,19 @@ begin:
 		// path: /b|riefcase
 		if path[i] != node.prefix[i-offset] {
 			if lastWildcard != nil {
-				ctx.addParameter(lastWildcard.prefix, path[lastWildcardOffset:])
-				ctx.handler = lastWildcard.data
-				return
+				addParameter(lastWildcard.prefix, path[lastWildcardOffset:])
+				return lastWildcard.data
 			}
 
-			ctx.handler = nil
-			return
+			return empty
 		}
 
 		i++
 	}
 }
 
-// bind binds all handlers to a new one provided by the callback.
-func (tree *tree[T]) bind(transform func(T) T) {
+// Bind binds all handlers to a new one provided by the callback.
+func (tree *Tree[T]) Bind(transform func(T) T) {
 	var empty T
 
 	tree.root.each(func(node *treeNode[T]) {
diff --git a/Tree_test.go b/Tree_test.go
new file mode 100644
index 0000000..b46ba36
--- /dev/null
+++ b/Tree_test.go
@@ -0,0 +1,97 @@
+package router_test
+
+import (
+	"bufio"
+	"os"
+	"strings"
+	"testing"
+
+	"git.akyoto.dev/go/assert"
+	"git.akyoto.dev/go/router"
+)
+
+func TestHello(t *testing.T) {
+	tree := router.Tree[string]{}
+
+	tree.Add("/hello", "Hello")
+	tree.Add("/world", "World")
+
+	data, params := tree.Lookup("/hello")
+	assert.Equal(t, len(params), 0)
+	assert.Equal(t, data, "Hello")
+
+	data, params = tree.Lookup("/world")
+	assert.Equal(t, len(params), 0)
+	assert.Equal(t, data, "World")
+
+	data, params = tree.Lookup("/404")
+	assert.Equal(t, len(params), 0)
+	assert.Equal(t, data, "")
+}
+
+func TestParams(t *testing.T) {
+	tree := router.Tree[string]{}
+
+	tree.Add("/blog/:slug", "Blog post")
+	tree.Add("/blog/:slug/comments/:id", "Comment")
+
+	data, params := tree.Lookup("/blog/hello-world")
+	assert.Equal(t, len(params), 1)
+	assert.Equal(t, params[0].Key, "slug")
+	assert.Equal(t, params[0].Value, "hello-world")
+	assert.Equal(t, data, "Blog post")
+
+	data, params = tree.Lookup("/blog/hello-world/comments/123")
+	assert.Equal(t, len(params), 2)
+	assert.Equal(t, params[0].Key, "slug")
+	assert.Equal(t, params[0].Value, "hello-world")
+	assert.Equal(t, params[1].Key, "id")
+	assert.Equal(t, params[1].Value, "123")
+	assert.Equal(t, data, "Comment")
+}
+
+func TestGitHub(t *testing.T) {
+	tree := router.Tree[string]{}
+	routes := loadRoutes("testdata/github.txt")
+
+	for _, route := range routes {
+		tree.Add(route, "octocat")
+	}
+
+	for _, route := range routes {
+		data, _ := tree.Lookup(route)
+		assert.Equal(t, data, "octocat")
+	}
+}
+
+func loadRoutes(fileName string) []string {
+	var routes []string
+
+	for route := range routesInFile(fileName) {
+		routes = append(routes, route)
+	}
+
+	return routes
+}
+
+func routesInFile(fileName string) <-chan string {
+	routes := make(chan string)
+
+	go func() {
+		defer close(routes)
+		file, err := os.Open(fileName)
+
+		if err != nil {
+			return
+		}
+
+		defer file.Close()
+		scanner := bufio.NewScanner(file)
+
+		for scanner.Scan() {
+			routes <- strings.TrimSpace(scanner.Text())
+		}
+	}()
+
+	return routes
+}
diff --git a/go.mod b/go.mod
index 4aecb6d..01c51df 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module git.akyoto.dev/go/router
 
 go 1.20
+
+require git.akyoto.dev/go/assert v0.1.0
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..b160cf2
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+git.akyoto.dev/go/assert v0.1.0 h1:+DRuXKk4QdNcqJYlQizQhOr5DKGi5/HQMNCOQUWxIDU=
+git.akyoto.dev/go/assert v0.1.0/go.mod h1:Zr/UFuiqmqRmFFgpBGwF71jbzb6iYJfXFeePYHGtWsg=
diff --git a/testdata/github.txt b/testdata/github.txt
new file mode 100644
index 0000000..5dc1acd
--- /dev/null
+++ b/testdata/github.txt
@@ -0,0 +1,131 @@
+/authorizations
+/authorizations/:id
+/applications/:client_id/tokens/:access_token
+/events
+/repos/:owner/:repo/events
+/networks/:owner/:repo/events
+/orgs/:org/events
+/users/:user/received_events
+/users/:user/received_events/public
+/users/:user/events
+/users/:user/events/public
+/users/:user/events/orgs/:org
+/feeds
+/notifications
+/repos/:owner/:repo/notifications
+/notifications/threads/:id
+/notifications/threads/:id/subscription
+/repos/:owner/:repo/stargazers
+/users/:user/starred
+/user/starred
+/user/starred/:owner/:repo
+/repos/:owner/:repo/subscribers
+/users/:user/subscriptions
+/user/subscriptions
+/repos/:owner/:repo/subscription
+/user/subscriptions/:owner/:repo
+/users/:user/gists
+/gists
+/gists/:id
+/gists/:id/star
+/repos/:owner/:repo/git/blobs/:sha
+/repos/:owner/:repo/git/commits/:sha
+/repos/:owner/:repo/git/refs
+/repos/:owner/:repo/git/tags/:sha
+/repos/:owner/:repo/git/trees/:sha
+/issues
+/user/issues
+/orgs/:org/issues
+/repos/:owner/:repo/issues
+/repos/:owner/:repo/issues/:number
+/repos/:owner/:repo/assignees
+/repos/:owner/:repo/assignees/:assignee
+/repos/:owner/:repo/issues/:number/comments
+/repos/:owner/:repo/issues/:number/events
+/repos/:owner/:repo/labels
+/repos/:owner/:repo/labels/:name
+/repos/:owner/:repo/issues/:number/labels
+/repos/:owner/:repo/milestones/:number/labels
+/repos/:owner/:repo/milestones
+/repos/:owner/:repo/milestones/:number
+/emojis
+/gitignore/templates
+/gitignore/templates/:name
+/meta
+/rate_limit
+/users/:user/orgs
+/user/orgs
+/orgs/:org
+/orgs/:org/members
+/orgs/:org/members/:user
+/orgs/:org/public_members
+/orgs/:org/public_members/:user
+/orgs/:org/teams
+/teams/:id
+/teams/:id/members
+/teams/:id/members/:user
+/teams/:id/repos
+/teams/:id/repos/:owner/:repo
+/user/teams
+/repos/:owner/:repo/pulls
+/repos/:owner/:repo/pulls/:number
+/repos/:owner/:repo/pulls/:number/commits
+/repos/:owner/:repo/pulls/:number/files
+/repos/:owner/:repo/pulls/:number/merge
+/repos/:owner/:repo/pulls/:number/comments
+/user/repos
+/users/:user/repos
+/orgs/:org/repos
+/repositories
+/repos/:owner/:repo
+/repos/:owner/:repo/contributors
+/repos/:owner/:repo/languages
+/repos/:owner/:repo/teams
+/repos/:owner/:repo/tags
+/repos/:owner/:repo/branches
+/repos/:owner/:repo/branches/:branch
+/repos/:owner/:repo/collaborators
+/repos/:owner/:repo/collaborators/:user
+/repos/:owner/:repo/comments
+/repos/:owner/:repo/commits/:sha/comments
+/repos/:owner/:repo/comments/:id
+/repos/:owner/:repo/commits
+/repos/:owner/:repo/commits/:sha
+/repos/:owner/:repo/readme
+/repos/:owner/:repo/keys
+/repos/:owner/:repo/keys/:id
+/repos/:owner/:repo/downloads
+/repos/:owner/:repo/downloads/:id
+/repos/:owner/:repo/forks
+/repos/:owner/:repo/hooks
+/repos/:owner/:repo/hooks/:id
+/repos/:owner/:repo/releases
+/repos/:owner/:repo/releases/:id
+/repos/:owner/:repo/releases/:id/assets
+/repos/:owner/:repo/stats/contributors
+/repos/:owner/:repo/stats/commit_activity
+/repos/:owner/:repo/stats/code_frequency
+/repos/:owner/:repo/stats/participation
+/repos/:owner/:repo/stats/punch_card
+/repos/:owner/:repo/statuses/:ref
+/search/repositories
+/search/code
+/search/issues
+/search/users
+/legacy/issues/search/:owner/:repository/:state/:keyword
+/legacy/repos/search/:keyword
+/legacy/user/search/:keyword
+/legacy/user/email/:email
+/users/:user
+/user
+/users
+/user/emails
+/users/:user/followers
+/user/followers
+/users/:user/following
+/user/following
+/user/following/:user
+/users/:user/following/:target_user
+/users/:user/keys
+/user/keys
+/user/keys/:id
\ No newline at end of file