diff --git a/nbt/nbt.go b/nbt/nbt.go
index 8dec487..6f2c643 100644
--- a/nbt/nbt.go
+++ b/nbt/nbt.go
@@ -27,7 +27,6 @@ type Decoder struct {
 		io.ByteReader
 		io.Reader
 	}
-	nameless bool
 }
 
 func NewDecoder(r io.Reader) *Decoder {
diff --git a/nbt/read.go b/nbt/read.go
index f0b4810..7210d2e 100644
--- a/nbt/read.go
+++ b/nbt/read.go
@@ -157,6 +157,7 @@ func (d *Decoder) unmarshal(val reflect.Value, tagType byte, tagName string) err
 				return err
 			}
 		}
+
 	case TagCompound:
 		if vk := val.Kind(); vk != reflect.Struct {
 			return errors.New("cannot parse TagCompound as " + vk.String())
@@ -252,7 +253,7 @@ func (d *Decoder) readTag() (tagType byte, tagName string, err error) {
 		return
 	}
 
-	if tagType != TagEnd && !d.nameless { //Read Tag
+	if tagType != TagEnd { //Read Tag
 		tagName, err = d.readString()
 	}
 	return
diff --git a/nbt/typeinfo.go b/nbt/typeinfo.go
index ba41666..0d49f56 100644
--- a/nbt/typeinfo.go
+++ b/nbt/typeinfo.go
@@ -2,6 +2,7 @@ package nbt
 
 import (
 	"reflect"
+	"sync"
 )
 
 type typeInfo struct {
@@ -9,7 +10,13 @@ type typeInfo struct {
 	nameToIndex map[string]int
 }
 
+var tinfoMap sync.Map
+
 func getTypeInfo(typ reflect.Type) *typeInfo {
+	if ti, ok := tinfoMap.Load(typ); ok {
+		return ti.(*typeInfo)
+	}
+
 	tinfo := new(typeInfo)
 	tinfo.nameToIndex = make(map[string]int)
 	if typ.Kind() == reflect.Struct {
@@ -27,7 +34,9 @@ func getTypeInfo(typ reflect.Type) *typeInfo {
 			}
 		}
 	}
-	return tinfo
+
+	ti, _ := tinfoMap.LoadOrStore(typ, tinfo)
+	return ti.(*typeInfo)
 }
 
 func (t *typeInfo) findIndexByName(name string) int {