diff --git a/Sources/HTMLComment.m b/Sources/HTMLComment.m
index c126999..170f025 100644
--- a/Sources/HTMLComment.m
+++ b/Sources/HTMLComment.m
@@ -35,6 +35,11 @@
 	self.data = textContent ?: @"";
 }
 
+- (NSUInteger)length
+{
+	return self.data.length;
+}
+
 #pragma mark - NSCopying
 
 - (id)copyWithZone:(NSZone *)zone
diff --git a/Sources/HTMLDocumentType.m b/Sources/HTMLDocumentType.m
index 8a4636c..c22be69 100644
--- a/Sources/HTMLDocumentType.m
+++ b/Sources/HTMLDocumentType.m
@@ -129,6 +129,11 @@ NS_INLINE BOOL nilOrEqual(id first, id second) {
 	return HTMLQuirksModeNoQuirks;
 }
 
+- (NSUInteger)length
+{
+	return 0;
+}
+
 #pragma mark - NSCopying
 
 - (id)copyWithZone:(NSZone *)zone
diff --git a/Sources/HTMLNode.m b/Sources/HTMLNode.m
index 83291d7..7e597ec 100644
--- a/Sources/HTMLNode.m
+++ b/Sources/HTMLNode.m
@@ -123,6 +123,11 @@
 	return nil;
 }
 
+- (NSUInteger)length
+{
+	return self.childNodesCount;
+}
+
 #pragma mark - Cast
 
 - (HTMLElement *)asElement
@@ -155,6 +160,11 @@
 	return self.childNodes.count;
 }
 
+- (BOOL)isEmpty
+{
+	return self.length == 0;
+}
+
 - (HTMLNode *)childNodeAtIndex:(NSUInteger)index
 {
 	return [self.childNodes objectAtIndex:index];
diff --git a/Sources/HTMLText.m b/Sources/HTMLText.m
index 55daaae..a56ed51 100644
--- a/Sources/HTMLText.m
+++ b/Sources/HTMLText.m
@@ -42,6 +42,11 @@
 	[self.data appendString:string];
 }
 
+- (NSUInteger)length
+{
+	return self.data.length;
+}
+
 #pragma mark - NSCopying
 
 - (id)copyWithZone:(NSZone *)zone
diff --git a/Sources/include/HTMLNode.h b/Sources/include/HTMLNode.h
index da1a5c5..bc74b5a 100644
--- a/Sources/include/HTMLNode.h
+++ b/Sources/include/HTMLNode.h
@@ -137,6 +137,11 @@ typedef NS_ENUM(unsigned short, HTMLDocumentPosition)
  */
 @property (nonatomic, copy)	NSString *innerHTML;
 
+/**
+ The length of the node as described in https://dom.spec.whatwg.org/#concept-node-length
+ */
+@property (nonatomic, assign) NSUInteger length;
+
 /**
  @abstract Use concrete subclasses of the HTML Node.
  */
@@ -164,6 +169,13 @@ typedef NS_ENUM(unsigned short, HTMLDocumentPosition)
  */
 - (NSUInteger)childNodesCount;
 
+/**
+ Checks whether the node is empty as described in https://dom.spec.whatwg.org/#concept-node-length
+
+ @return `YES` if the node is empty, `NO` otherwise.
+ */
+- (BOOL)isEmpty;
+
 /**
  Returns the child node at a given index.