diff --git a/README.md b/README.md
index 6ae4989..ef33097 100644
--- a/README.md
+++ b/README.md
@@ -27,18 +27,18 @@ go get git.sharkk.net/Go/Router
 r := router.New()
 
 // Static routes
-r.Get("/", func(w http.ResponseWriter, r *http.Request, params []string) {
+r.Get("/", func(w router.Res, r router.Req, params []string) {
     fmt.Fprintf(w, "Root handler")
 })
 
 // Parameter routes
-r.Get("/users/[id]", func(w http.ResponseWriter, r *http.Request, params []string) {
+r.Get("/users/[id]", func(w router.Res, r router.Req, params []string) {
     userID := params[0]
     fmt.Fprintf(w, "User ID: %s", userID)
 })
 
 // Wildcard routes
-r.Get("/files/*path", func(w http.ResponseWriter, r *http.Request, params []string) {
+r.Get("/files/*path", func(w router.Res, r router.Req, params []string) {
     filePath := params[0]
     fmt.Fprintf(w, "File path: %s", filePath)
 })
@@ -53,7 +53,7 @@ if handler, params, ok := r.Lookup("GET", "/users/123"); ok {
     handler.Serve(params)
 }
 
-// Use listen and serve directly
+// Or simply serve them
 http.ListenAndServe(":8080", r)
 ```
 
@@ -105,7 +105,7 @@ http.ListenAndServe(":8080", r)
 
 ## Benchmarks
 
-Benchmark results comparing Router to the standard `http.ServeMux`:
+Benchmark comparing Router to the standard `http.ServeMux`:
 
 ```
 cpu: AMD Ryzen 9 7950X 16-Core Processor
diff --git a/router.go b/router.go
index 9e27946..5181eda 100644
--- a/router.go
+++ b/router.go
@@ -3,9 +3,14 @@ package router
 import (
 	"fmt"
 	"net/http"
-	"slices"
 )
 
+// Res is an alias for http.ResponseWriter for shorter, cleaner code
+type Res = http.ResponseWriter
+
+// Req is an alias for *http.Request for shorter, cleaner code
+type Req = *http.Request
+
 // Handler is an interface for handling HTTP requests with path parameters.
 type Handler interface {
 	Serve(params []string)
@@ -76,9 +81,9 @@ func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 
 // httpHandler adapts net/http handlers to the router.
 type httpHandler struct {
-	w http.ResponseWriter
-	r *http.Request
-	h func(w http.ResponseWriter, r *http.Request, params []string)
+	w Res
+	r Req
+	h func(w Res, r Req, params []string)
 }
 
 // Serve executes the http handler with parameters.
@@ -112,7 +117,7 @@ func (g *Group) Group(prefix string) *Group {
 	return &Group{
 		router:     g.router,
 		prefix:     g.prefix + prefix,
-		middleware: slices.Clone(g.middleware),
+		middleware: append([]Middleware{}, g.middleware...),
 	}
 }
 
@@ -182,7 +187,7 @@ func (r *Router) Delete(path string, handler HandlerFunc) error {
 
 // buildGroupMiddleware returns combined middleware for the group
 func (g *Group) buildGroupMiddleware() []Middleware {
-	middleware := slices.Clone(g.router.middleware)
+	middleware := append([]Middleware{}, g.router.middleware...)
 	return append(middleware, g.middleware...)
 }
 
@@ -252,7 +257,7 @@ type MiddlewareGroup struct {
 
 // buildMiddleware returns combined middleware for the middleware router
 func (mr *MiddlewareRouter) buildMiddleware() []Middleware {
-	middleware := slices.Clone(mr.router.middleware)
+	middleware := append([]Middleware{}, mr.router.middleware...)
 	return append(middleware, mr.middleware...)
 }
 
@@ -293,7 +298,7 @@ func (mr *MiddlewareRouter) Delete(path string, handler HandlerFunc) error {
 
 // buildMiddleware returns combined middleware for the middleware group
 func (mg *MiddlewareGroup) buildMiddleware() []Middleware {
-	middleware := slices.Clone(mg.group.router.middleware)
+	middleware := append([]Middleware{}, mg.group.router.middleware...)
 	middleware = append(middleware, mg.group.middleware...)
 	return append(middleware, mg.middleware...)
 }
diff --git a/router_test.go b/router_test.go
index 1829f6f..4290ade 100644
--- a/router_test.go
+++ b/router_test.go
@@ -24,7 +24,7 @@ func newHandler(fn func(params []string)) Handler {
 
 func TestRootPath(t *testing.T) {
 	r := New()
-	r.Get("/", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/", func(w Res, r Req, params []string) {
 		// No-op for testing
 	})
 
@@ -35,7 +35,7 @@ func TestRootPath(t *testing.T) {
 
 func TestStaticPath(t *testing.T) {
 	r := New()
-	r.Get("/users/all", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/users/all", func(w Res, r Req, params []string) {
 		// No-op for testing
 	})
 
@@ -48,7 +48,7 @@ func TestSingleParameter(t *testing.T) {
 	r := New()
 
 	called := false
-	r.Get("/users/[id]", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/users/[id]", func(w Res, r Req, params []string) {
 		called = true
 		assert.Equal(t, params[0], "123")
 	})
@@ -63,7 +63,7 @@ func TestMultipleParameters(t *testing.T) {
 	r := New()
 
 	called := false
-	r.Get("/users/[id]/posts/[postId]", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/users/[id]/posts/[postId]", func(w Res, r Req, params []string) {
 		called = true
 		assert.Equal(t, params[0], "123")
 		assert.Equal(t, params[1], "456")
@@ -77,7 +77,7 @@ func TestMultipleParameters(t *testing.T) {
 
 func TestNonExistentPath(t *testing.T) {
 	r := New()
-	r.Get("/users/[id]", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/users/[id]", func(w Res, r Req, params []string) {
 		// No-op for testing
 	})
 
@@ -87,7 +87,7 @@ func TestNonExistentPath(t *testing.T) {
 
 func TestWrongMethod(t *testing.T) {
 	r := New()
-	r.Get("/users/[id]", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/users/[id]", func(w Res, r Req, params []string) {
 		// No-op for testing
 	})
 
@@ -99,7 +99,7 @@ func TestTrailingSlash(t *testing.T) {
 	r := New()
 
 	called := false
-	r.Get("/users/[id]", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/users/[id]", func(w Res, r Req, params []string) {
 		called = true
 		assert.Equal(t, params[0], "123")
 	})
@@ -113,7 +113,7 @@ func TestTrailingSlash(t *testing.T) {
 func TestDifferentMethods(t *testing.T) {
 	r := New()
 
-	handler := func(w http.ResponseWriter, r *http.Request, params []string) {}
+	handler := func(w Res, r Req, params []string) {}
 
 	r.Get("/test", handler)
 	r.Post("/test", handler)
@@ -135,7 +135,7 @@ func TestWildcardPath(t *testing.T) {
 
 	t.Run("simple wildcard", func(t *testing.T) {
 		called := false
-		err := r.Get("/files/*path", func(w http.ResponseWriter, r *http.Request, params []string) {
+		err := r.Get("/files/*path", func(w Res, r Req, params []string) {
 			called = true
 			assert.Equal(t, params[0], "docs/report.pdf")
 		})
@@ -149,7 +149,7 @@ func TestWildcardPath(t *testing.T) {
 
 	t.Run("wildcard with empty path", func(t *testing.T) {
 		called := false
-		err := r.Get("/download/*filepath", func(w http.ResponseWriter, r *http.Request, params []string) {
+		err := r.Get("/download/*filepath", func(w Res, r Req, params []string) {
 			called = true
 			assert.Equal(t, params[0], "")
 		})
@@ -163,7 +163,7 @@ func TestWildcardPath(t *testing.T) {
 
 	t.Run("wildcard with parameter", func(t *testing.T) {
 		called := false
-		err := r.Get("/users/[id]/*action", func(w http.ResponseWriter, r *http.Request, params []string) {
+		err := r.Get("/users/[id]/*action", func(w Res, r Req, params []string) {
 			called = true
 			assert.Equal(t, params[0], "123")
 			assert.Equal(t, params[1], "settings/profile/avatar")
@@ -177,12 +177,12 @@ func TestWildcardPath(t *testing.T) {
 	})
 
 	t.Run("multiple wildcards not allowed", func(t *testing.T) {
-		err := r.Get("/api/*version/*path", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		err := r.Get("/api/*version/*path", func(w Res, r Req, params []string) {})
 		assert.NotNil(t, err)
 	})
 
 	t.Run("non-last wildcard not allowed", func(t *testing.T) {
-		err := r.Get("/api/*version/users", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		err := r.Get("/api/*version/users", func(w Res, r Req, params []string) {})
 		assert.NotNil(t, err)
 	})
 }
@@ -202,7 +202,7 @@ func TestMiddleware(t *testing.T) {
 			})
 		})
 
-		r.Get("/test", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		r.Get("/test", func(w Res, r Req, params []string) {})
 
 		h, params, found := r.Lookup("GET", "/test")
 		assert.True(t, found)
@@ -232,7 +232,7 @@ func TestMiddleware(t *testing.T) {
 			})
 		})
 
-		r.Get("/test", func(w http.ResponseWriter, r *http.Request, params []string) {
+		r.Get("/test", func(w Res, r Req, params []string) {
 			order = append(order, 0)
 		})
 
@@ -261,7 +261,7 @@ func TestMiddleware(t *testing.T) {
 			})
 		}
 
-		r.WithMiddleware(middleware).Get("/test", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		r.WithMiddleware(middleware).Get("/test", func(w Res, r Req, params []string) {})
 
 		h, params, found := r.Lookup("GET", "/test")
 		assert.True(t, found)
@@ -277,7 +277,7 @@ func TestGroup(t *testing.T) {
 
 		// Create API group
 		api := r.Group("/api")
-		api.Get("/users", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		api.Get("/users", func(w Res, r Req, params []string) {})
 
 		h, params, found := r.Lookup("GET", "/api/users")
 		assert.True(t, found)
@@ -290,7 +290,7 @@ func TestGroup(t *testing.T) {
 		// Create nested groups
 		api := r.Group("/api")
 		v1 := api.Group("/v1")
-		v1.Get("/users", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		v1.Get("/users", func(w Res, r Req, params []string) {})
 
 		h, params, found := r.Lookup("GET", "/api/v1/users")
 		assert.True(t, found)
@@ -310,7 +310,7 @@ func TestGroup(t *testing.T) {
 			})
 		})
 
-		api.Get("/users", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		api.Get("/users", func(w Res, r Req, params []string) {})
 
 		h, params, found := r.Lookup("GET", "/api/users")
 		assert.True(t, found)
@@ -340,7 +340,7 @@ func TestGroup(t *testing.T) {
 			})
 		})
 
-		v1.Get("/users", func(w http.ResponseWriter, r *http.Request, params []string) {
+		v1.Get("/users", func(w Res, r Req, params []string) {
 			order = append(order, 3)
 		})
 
@@ -374,7 +374,7 @@ func TestGroup(t *testing.T) {
 				order = append(order, 2)
 				next.Serve(params)
 			})
-		}).Get("/users", func(w http.ResponseWriter, r *http.Request, params []string) {
+		}).Get("/users", func(w Res, r Req, params []string) {
 			order = append(order, 3)
 		})
 
@@ -393,7 +393,7 @@ func TestGroup(t *testing.T) {
 // Benchmarks
 func BenchmarkRouterLookup(b *testing.B) {
 	r := New()
-	handler := func(w http.ResponseWriter, r *http.Request, params []string) {}
+	handler := func(w Res, r Req, params []string) {}
 
 	// Setup routes for benchmarking
 	r.Get("/", handler)
@@ -434,7 +434,7 @@ func BenchmarkRouterLookup(b *testing.B) {
 
 func BenchmarkParallelLookup(b *testing.B) {
 	r := New()
-	handler := func(w http.ResponseWriter, r *http.Request, params []string) {}
+	handler := func(w Res, r Req, params []string) {}
 
 	r.Get("/users/[id]", handler)
 	r.Get("/posts/[id]/comments", handler)
@@ -458,7 +458,7 @@ func BenchmarkParallelLookup(b *testing.B) {
 
 func BenchmarkWildcardLookup(b *testing.B) {
 	r := New()
-	handler := func(w http.ResponseWriter, r *http.Request, params []string) {}
+	handler := func(w Res, r Req, params []string) {}
 
 	// Setup routes for benchmarking
 	r.Get("/files/*path", handler)
@@ -486,7 +486,7 @@ func BenchmarkMiddleware(b *testing.B) {
 
 	b.Run("no_middleware", func(b *testing.B) {
 		r := New()
-		r.Get("/test", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		r.Get("/test", func(w Res, r Req, params []string) {})
 
 		b.ResetTimer()
 		for i := 0; i < b.N; i++ {
@@ -498,7 +498,7 @@ func BenchmarkMiddleware(b *testing.B) {
 	b.Run("one_middleware", func(b *testing.B) {
 		r := New()
 		r.Use(passthrough)
-		r.Get("/test", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		r.Get("/test", func(w Res, r Req, params []string) {})
 
 		b.ResetTimer()
 		for i := 0; i < b.N; i++ {
@@ -512,7 +512,7 @@ func BenchmarkMiddleware(b *testing.B) {
 		for i := 0; i < 5; i++ {
 			r.Use(passthrough)
 		}
-		r.Get("/test", func(w http.ResponseWriter, r *http.Request, params []string) {})
+		r.Get("/test", func(w Res, r Req, params []string) {})
 
 		b.ResetTimer()
 		for i := 0; i < b.N; i++ {
@@ -523,7 +523,7 @@ func BenchmarkMiddleware(b *testing.B) {
 }
 
 func BenchmarkGroups(b *testing.B) {
-	handler := func(w http.ResponseWriter, r *http.Request, params []string) {}
+	handler := func(w Res, r Req, params []string) {}
 
 	b.Run("flat_route", func(b *testing.B) {
 		r := New()
@@ -570,13 +570,13 @@ func BenchmarkNetHttpServer(b *testing.B) {
 	r := New()
 
 	// Set up test routes
-	r.Get("/", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/", func(w Res, r Req, params []string) {
 		// No-op for benchmarking
 	})
-	r.Get("/users/all", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/users/all", func(w Res, r Req, params []string) {
 		// No-op for benchmarking
 	})
-	r.Get("/users/[id]", func(w http.ResponseWriter, r *http.Request, params []string) {
+	r.Get("/users/[id]", func(w Res, r Req, params []string) {
 		// No-op for benchmarking
 	})
 
@@ -631,7 +631,7 @@ func BenchmarkNetHttpServer(b *testing.B) {
 func BenchmarkComparison(b *testing.B) {
 	// Custom router setup
 	customRouter := New()
-	handler := func(w http.ResponseWriter, r *http.Request, params []string) {}
+	handler := func(w Res, r Req, params []string) {}
 
 	customRouter.Get("/", handler)
 	customRouter.Get("/users/all", handler)
@@ -640,9 +640,9 @@ func BenchmarkComparison(b *testing.B) {
 
 	// Standard mux setup
 	mux := http.NewServeMux()
-	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {})
-	mux.HandleFunc("/users/all", func(w http.ResponseWriter, r *http.Request) {})
-	mux.HandleFunc("/users/", func(w http.ResponseWriter, r *http.Request) {}) // Best equivalent for dynamic routes
+	mux.HandleFunc("/", func(w Res, r Req) {})
+	mux.HandleFunc("/users/all", func(w Res, r Req) {})
+	mux.HandleFunc("/users/", func(w Res, r Req) {}) // Best equivalent for dynamic routes
 
 	// Root path
 	b.Run("root_path", func(b *testing.B) {