diff --git a/eq.go b/eq.go
index 260f81f..08d26f0 100644
--- a/eq.go
+++ b/eq.go
@@ -22,6 +22,15 @@ func eq2(t1, t2 Tag) bool {
 		}
 	}
 
+	var rgq renderGuidesQuery
+	t1(&rgq)
+	trg1 := mergeRenderingGuides(rgq.value)
+	t2(&rgq)
+	trg2 := mergeRenderingGuides(rgq.value)
+	if trg1 != trg2 {
+		return false
+	}
+
 	c1, c2 := Children(t1), Children(t2)
 	if len(c1) != len(c2) {
 		return false
@@ -38,7 +47,7 @@ func eq2(t1, t2 Tag) bool {
 			return false
 		}
 
-		if !ok1 {
+		if ok1 {
 			continue
 		}
 
diff --git a/eq_test.go b/eq_test.go
new file mode 100644
index 0000000..5559c19
--- /dev/null
+++ b/eq_test.go
@@ -0,0 +1,135 @@
+package html_test
+
+import (
+	"code.squareroundforest.org/arpio/html"
+	. "code.squareroundforest.org/arpio/html/tag"
+	"testing"
+)
+
+func TestEq(t *testing.T) {
+	t.Run("zero operands", func(t *testing.T) {
+		if !html.Eq() {
+			t.Fatal()
+		}
+	})
+
+	t.Run("one operand", func(t *testing.T) {
+		if !html.Eq(Div) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands eq", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		if !html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands different name", func(t *testing.T) {
+		div := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		custom := html.Define("custom")(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		if html.Eq(div, custom) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands different number of attributes", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := Div(Attr("foo", "bar"), "qux", "quux")
+		if html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands different attributes", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 84), "qux", "quux")
+		if html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands different attribute names", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := Div(Attr("foo", "bar", "baz2", 42), "qux", "quux")
+		if html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands different render guides", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := html.Inline(Div)(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		if html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands eq with merged render guides", func(t *testing.T) {
+		script0 := html.Inline(Script(Attr("foo", "bar"), "let foo = bar"))
+		script1 := html.ScriptContent(html.Inline(Define("script"))(Attr("foo", "bar"), "let foo = bar"))
+		if !html.Eq(script0, script1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands different number of children", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 42), "qux")
+		if html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands different children", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", "garply")
+		if html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands child tags eq", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", Br, "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", Br, "quux")
+		if !html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands child tags not eq", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", Br, "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", html.SetClass(Br, "foo"), "quux")
+		if html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("two operands child tags at different position", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", Br, "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 42), Br, "qux", "quux")
+		if html.Eq(div0, div1) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("multiple operands eq", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div2 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		if !html.Eq(div0, div1, div2) {
+			t.Fatal()
+		}
+	})
+
+	t.Run("multiple operands not eq", func(t *testing.T) {
+		div0 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		div1 := Div(Attr("foo", "bar", "baz", 84), "qux", "quux")
+		div2 := Div(Attr("foo", "bar", "baz", 42), "qux", "quux")
+		if html.Eq(div0, div1, div2) {
+			t.Fatal()
+		}
+	})
+}