diff --git a/client/connector.go b/client/connector.go
index 80df1ed..dd3b252 100644
--- a/client/connector.go
+++ b/client/connector.go
@@ -13,7 +13,7 @@ type Connector interface {
 }
 
 type Connectors struct {
-	Name string `json:"name"`
+	Name string `json:"name,omitempty"`
 
 	validated atomic.Value
 }
diff --git a/connection-handler.go b/connection-handler.go
index 7825267..fd99c5a 100644
--- a/connection-handler.go
+++ b/connection-handler.go
@@ -20,11 +20,11 @@ type ConnectionHandlers struct {
 	// The maximum number of concurrent connections the server may serve.
 	//
 	// DefaultConcurrency is used if not set.
-	Network          string        `json:"network"`
-	Address          string        `json:"address"`
-	Concurrency      int           `json:"concurrency"`
-	KeepAlive        time.Duration `json:"keepAlive"`
-	HandshakeTimeout time.Duration `json:"handshakeTimeout"`
+	Network          string        `json:"network,omitempty"`
+	Address          string        `json:"address,omitempty"`
+	Concurrency      int           `json:"concurrency,omitempty"`
+	KeepAlive        time.Duration `json:"keepAlive,omitempty"`
+	HandshakeTimeout time.Duration `json:"handshakeTimeout,omitempty"`
 	TLSConfig        *tls.Config   `json:"-"`
 	validated        atomic.Value
 }
diff --git a/readwrite-handler.go b/readwrite-handler.go
index 220f152..4b3024d 100644
--- a/readwrite-handler.go
+++ b/readwrite-handler.go
@@ -14,7 +14,7 @@ type ReadWriteHandler interface {
 }
 
 type ReadWriteHandlers struct {
-	MaxMessageSize int64 `json:"maxMessageSize"`
+	MaxMessageSize int64 `json:"maxMessageSize,omitempty"`
 	// Per-connection buffer size for requests' reading.
 	// This also limits the maximum header size.
 	//
@@ -22,23 +22,23 @@ type ReadWriteHandlers struct {
 	// and/or multi-KB headers (for example, BIG cookies).
 	//
 	// Default buffer size is used if not set.
-	ReadBufferSize int `json:"readBufferSize"`
+	ReadBufferSize int `json:"readBufferSize,omitempty"`
 	// Per-connection buffer size for responses' writing.
 	//
 	// Default buffer size is used if not set.
-	WriteBufferSize int `json:"writeBufferSize"`
+	WriteBufferSize int `json:"writeBufferSize,omitempty"`
 	// Maximum duration for reading the full request (including body).
 	//
 	// This also limits the maximum duration for idle keep-alive
 	// connections.
 	//
 	// By default request read timeout is unlimited.
-	ReadTimeout time.Duration `json:"readTimeout"`
+	ReadTimeout time.Duration `json:"readTimeout,omitempty"`
 
 	// Maximum duration for writing the full response (including body).
 	//
 	// By default response write timeout is unlimited.
-	WriteTimeout time.Duration `json:"writeTimeout"`
+	WriteTimeout time.Duration `json:"writeTimeout,omitempty"`
 
 	validated atomic.Value
 }
diff --git a/server-handler.go b/server-handler.go
index e12aa87..5d016b4 100644
--- a/server-handler.go
+++ b/server-handler.go
@@ -22,7 +22,7 @@ type ServerHandlers struct {
 	// Server name for sending in response headers.
 	//
 	// Default server name is used if left blank.
-	Name string `json:"name"`
+	Name string `json:"name,omitempty"`
 
 	validated atomic.Value
 }
diff --git a/socket/client-conn-handler.go b/socket/client-conn-handler.go
index be8c4e3..2d9a664 100644
--- a/socket/client-conn-handler.go
+++ b/socket/client-conn-handler.go
@@ -17,8 +17,8 @@ type ClientConnHandler interface {
 type ClientConnHandlers struct {
 	server.ConnectionHandlers
 
-	ReconnectInterval time.Duration `json:"reconnectInterval"`
-	ReconnectTryTime  int           `json:"reconnectTryTime"`
+	ReconnectInterval time.Duration `json:"reconnectInterval,omitempty"`
+	ReconnectTryTime  int           `json:"reconnectTryTime,omitempty"`
 
 	validated atomic.Value
 }
diff --git a/socket/net/client/connector.go b/socket/net/client/connector.go
index 4f62af1..b12dbd9 100644
--- a/socket/net/client/connector.go
+++ b/socket/net/client/connector.go
@@ -18,8 +18,8 @@ type Connectors struct {
 	socket.ClientConnHandlers
 	socket.ReadWriteHandlers
 
-	Network      string   `json:"network"`
-	Address      string   `json:"address"`
+	Network      string   `json:"network,omitempty"`
+	Address      string   `json:"address,omitempty"`
 	LocalAddress net.Addr `json:"-"`
 
 	stopChan chan struct{}
diff --git a/socket/readwrite-handler.go b/socket/readwrite-handler.go
index 243ee02..aa20b22 100644
--- a/socket/readwrite-handler.go
+++ b/socket/readwrite-handler.go
@@ -19,11 +19,11 @@ type ReadWriteHandler interface {
 type ReadWriteHandlers struct {
 	server.ReadWriteHandlers
 
-	PongTimeout time.Duration `json:"pongTimeout"`
-	PingTimeout time.Duration `json:"pingTimeout"`
-	PingPeriod  time.Duration `json:"pingPeriod"`
+	PongTimeout time.Duration `json:"pongTimeout,omitempty"`
+	PingTimeout time.Duration `json:"pingTimeout,omitempty"`
+	PingPeriod  time.Duration `json:"pingPeriod,omitempty"`
 
-	EnableCompression bool `json:"enableCompression"`
+	EnableCompression bool `json:"enableCompression,omitempty"`
 
 	validated atomic.Value
 }
diff --git a/socket/web/client/connector.go b/socket/web/client/connector.go
index 998232a..507c016 100644
--- a/socket/web/client/connector.go
+++ b/socket/web/client/connector.go
@@ -30,11 +30,11 @@ type Connectors struct {
 	socket.ClientConnHandlers
 	socket.ReadWriteHandlers
 
-	URL string `json:"url"`
+	URL string `json:"url,omitempty"`
 
 	RequestHeader func() http.Header `json:"-"`
 
-	Subprotocols []string `json:"subprotocols"`
+	Subprotocols []string `json:"subprotocols,omitempty"`
 	// Jar specifies the cookie jar.
 	// If Jar is nil, cookies are not sent in requests and ignored
 	// in responses.