diff --git a/html/html.go b/html/html.go
index 8e84664c96..497a08dd0e 100644
--- a/html/html.go
+++ b/html/html.go
@@ -129,7 +129,7 @@ func (o *Minifier) Minify(m *minify.M, w io.Writer, r io.Reader, _ map[string]st
 					var params map[string]string
 					if rawTagHash == Iframe {
 						mimetype = htmlMimeBytes
-					} else if len(rawTagMediatype) > 0 {
+					} else if 0 < len(rawTagMediatype) {
 						mimetype, params = parse.Mediatype(rawTagMediatype)
 					} else if rawTagHash == Script {
 						mimetype = jsMimeBytes
@@ -181,7 +181,7 @@ func (o *Minifier) Minify(m *minify.M, w io.Writer, r io.Reader, _ map[string]st
 							if o.KeepWhitespace {
 								break
 							}
-							// remove when followed up by a block tag
+							// remove when followed by a block tag
 							if next.Traits&blockTag != 0 {
 								t.Data = t.Data[:len(t.Data)-1]
 								omitSpace = false
@@ -278,7 +278,7 @@ func (o *Minifier) Minify(m *minify.M, w io.Writer, r io.Reader, _ map[string]st
 						omitSpace = true // omit spaces after block elements
 					}
 
-					if len(t.Data) > 3+len(t.Text) {
+					if 3+len(t.Text) < len(t.Data) {
 						t.Data[2+len(t.Text)] = '>'
 						t.Data = t.Data[:3+len(t.Text)]
 					}
@@ -327,7 +327,7 @@ func (o *Minifier) Minify(m *minify.M, w io.Writer, r io.Reader, _ map[string]st
 								for i := 0; i < len(content.AttrVal); i++ {
 									if content.AttrVal[i] == '=' && i+2 < len(content.AttrVal) {
 										i++
-										if n := parse.Number(content.AttrVal[i:]); n > 0 {
+										if n := parse.Number(content.AttrVal[i:]); 0 < n {
 											minNum := minify.Number(content.AttrVal[i:i+n], -1)
 											if len(minNum) < n {
 												copy(content.AttrVal[i:i+len(minNum)], minNum)
@@ -434,10 +434,10 @@ func (o *Minifier) Minify(m *minify.M, w io.Writer, r io.Reader, _ map[string]st
 							if len(val) == 0 {
 								continue
 							}
-						} else if len(attr.Text) > 2 && attr.Text[0] == 'o' && attr.Text[1] == 'n' {
+						} else if 2 < len(attr.Text) && attr.Text[0] == 'o' && attr.Text[1] == 'n' {
 							// JS minifier for attribute inline code
 							val = parse.TrimWhitespace(val)
-							if len(val) >= 11 && parse.EqualFold(val[:11], jsSchemeBytes) {
+							if 11 <= len(val) && parse.EqualFold(val[:11], jsSchemeBytes) {
 								val = val[11:]
 							}
 							attrMinifyBuffer.Reset()
@@ -475,7 +475,7 @@ func (o *Minifier) Minify(m *minify.M, w io.Writer, r io.Reader, _ map[string]st
 
 					w.Write(spaceBytes)
 					w.Write(attr.Text)
-					if len(val) > 0 && attr.Traits&booleanAttr == 0 {
+					if 0 < len(val) && attr.Traits&booleanAttr == 0 {
 						w.Write(isBytes)
 
 						// use double quotes for RDFa attributes