diff --git a/reviewers/alt_required.go b/reviewers/alt_required.go
index fd03ce9..02803eb 100644
--- a/reviewers/alt_required.go
+++ b/reviewers/alt_required.go
@@ -27,13 +27,12 @@ func (at AltRequired) Review(path string, page io.Reader) ([]Fault, error) {
 			break
 		}
 
-		if tt == html.StartTagToken || tt == html.SelfClosingTagToken {
-			token := z.Token()
-
-			if !at.tagRequiresAlt(token) || at.hasAlt(token) {
-				continue
-			}
+		token := z.Token()
+		if !at.tagRequiresAlt(token) || at.hasAlt(token) {
+			continue
+		}
 
+		if tt == html.StartTagToken || tt == html.SelfClosingTagToken {
 			result = append(result, Fault{
 				Reviewer: at.ReviewerName(),
 				Line:     token.Line,
@@ -47,12 +46,10 @@ func (at AltRequired) Review(path string, page io.Reader) ([]Fault, error) {
 }
 
 func (at AltRequired) tagRequiresAlt(token html.Token) bool {
-	if token.DataAtom.String() == "img" {
+	switch token.DataAtom.String() {
+	case "img":
 		return true
-	}
-
-	// input[type=image]
-	if token.DataAtom.String() == "input" {
+	case "input":
 		for _, attr := range token.Attr {
 			if attr.Key != "type" || strings.ToLower(attr.Val) != "image" {
 				continue
@@ -62,10 +59,7 @@ func (at AltRequired) tagRequiresAlt(token html.Token) bool {
 		}
 
 		return false
-	}
-
-	// area[href]
-	if token.DataAtom.String() == "area" {
+	case "area":
 		for _, attr := range token.Attr {
 			if attr.Key == "href" {
 				return true
@@ -73,9 +67,9 @@ func (at AltRequired) tagRequiresAlt(token html.Token) bool {
 		}
 
 		return true
+	default:
+		return false
 	}
-
-	return false
 }
 
 func (at AltRequired) hasAlt(token html.Token) bool {
diff --git a/reviewers/att_no_white_spaces.go b/reviewers/att_no_white_spaces.go
index bfe60e3..29cdec3 100644
--- a/reviewers/att_no_white_spaces.go
+++ b/reviewers/att_no_white_spaces.go
@@ -28,7 +28,7 @@ func (at AttrNoWhiteSpaces) Review(path string, page io.Reader) ([]Fault, error)
 			continue
 		}
 
-		exp := regexp.MustCompile(`[^\s]+(\s+\=\s*|\s*\=\s+)`)
+		exp := regexp.MustCompile(`\S+(\s+=\s*|\s*=\s+)`)
 		if exp.MatchString(line) {
 			result = append(result, Fault{
 				Reviewer: at.ReviewerName(),
diff --git a/reviewers/attr_id_unique.go b/reviewers/attr_id_unique.go
index f8f7d79..2a9ce9d 100644
--- a/reviewers/attr_id_unique.go
+++ b/reviewers/attr_id_unique.go
@@ -9,7 +9,7 @@ import (
 type AttrIDUnique struct{}
 
 func (at AttrIDUnique) ReviewerName() string {
-	return "attribute/alt-required"
+	return "attribute/id-unique"
 }
 
 func (at AttrIDUnique) Accepts(filePath string) bool {
@@ -31,8 +31,13 @@ func (at AttrIDUnique) Review(path string, page io.Reader) ([]Fault, error) {
 			token := z.Token()
 
 			ID := at.tagID(token)
+			if ID == "" {
+				continue
+			}
+
 			if ID != "" && !IDs[ID] {
 				IDs[ID] = true
+
 				continue
 			}
 
diff --git a/reviewers/attr_id_unique_test.go b/reviewers/attr_id_unique_test.go
index abc1538..6a63d28 100644
--- a/reviewers/attr_id_unique_test.go
+++ b/reviewers/attr_id_unique_test.go
@@ -30,6 +30,17 @@ func Test_AttrIDUnique_Review(t *testing.T) {
 			`,
 		},
 
+		{
+			name: "no fault empty",
+			content: `
+				<img src="test.png" />
+				<img src="test.png" />
+				<img src="test.png" />
+				<img src="test.png" />
+				<img src="test.png" />
+			`,
+		},
+
 		{
 			name: "Faults",
 			content: `