diff --git a/.travis.yml b/.travis.yml
index 1864bc5..54d1654 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,4 +12,7 @@ install:
   - go get -u github.com/russross/blackfriday
 
 script:
-  - 'tools/build'
+  - tools/build
+
+env:
+  - VERBOSE=1
diff --git a/tools/build b/tools/build
index 3c07db8..f06beae 100755
--- a/tools/build
+++ b/tools/build
@@ -2,7 +2,18 @@
 
 set -e
 
+verbose() {
+	! test -z "$VERBOSE"
+}
+
+verbose && echo "Running tests..."
 tools/test
+
+verbose && echo "Formatting code..."
 tools/format
+
+verbose && echo "Measuring line lengths..."
 tools/measure
+
+verbose && echo "Generating HTML..."
 tools/generate
diff --git a/tools/generate.go b/tools/generate.go
index 32f542c..97d8ab5 100644
--- a/tools/generate.go
+++ b/tools/generate.go
@@ -19,6 +19,10 @@ var cacheDir = "/tmp/gobyexample-cache"
 var siteDir = "./public"
 var pygmentizeBin = "./vendor/pygments/pygmentize"
 
+func verbose() bool {
+	return len(os.Getenv("VERBOSE")) > 0
+}
+
 func check(err error) {
 	if err != nil {
 		panic(err)
@@ -139,6 +143,9 @@ func parseHashFile(sourcePath string) (string, string) {
 }
 
 func resetURLHashFile(codehash, code, sourcePath string) string {
+	if verbose() {
+		fmt.Println("  Sending request to play.golang.org")
+	}
 	payload := strings.NewReader(code)
 	resp, err := http.Post("https://play.golang.org/share", "text/plain", payload)
 	if err != nil {
@@ -221,37 +228,43 @@ func parseAndRenderSegs(sourcePath string) ([]*Seg, string) {
 }
 
 func parseExamples() []*Example {
-	exampleNames := readLines("examples.txt")
-	examples := make([]*Example, 0)
-	for _, exampleName := range exampleNames {
-		if (exampleName != "") && !strings.HasPrefix(exampleName, "#") {
-			example := Example{Name: exampleName}
-			exampleID := strings.ToLower(exampleName)
-			exampleID = strings.Replace(exampleID, " ", "-", -1)
-			exampleID = strings.Replace(exampleID, "/", "-", -1)
-			exampleID = strings.Replace(exampleID, "'", "", -1)
-			exampleID = dashPat.ReplaceAllString(exampleID, "-")
-			example.ID = exampleID
-			example.Segs = make([][]*Seg, 0)
-			sourcePaths := mustGlob("examples/" + exampleID + "/*")
-			for _, sourcePath := range sourcePaths {
-				if strings.HasSuffix(sourcePath, ".hash") {
-					example.GoCodeHash, example.URLHash = parseHashFile(sourcePath)
-				} else {
-					sourceSegs, filecontents := parseAndRenderSegs(sourcePath)
-					if filecontents != "" {
-						example.GoCode = filecontents
-					}
-					example.Segs = append(example.Segs, sourceSegs)
-				}
-			}
-			newCodeHash := sha1Sum(example.GoCode)
-			if example.GoCodeHash != newCodeHash {
-				example.URLHash = resetURLHashFile(newCodeHash, example.GoCode, "examples/"+example.ID+"/"+example.ID+".hash")
-			}
-			examples = append(examples, &example)
+	var exampleNames []string
+	for _, line := range readLines("examples.txt") {
+		if line != "" && !strings.HasPrefix(line, "#") {
+			exampleNames = append(exampleNames, line)
 		}
 	}
+	examples := make([]*Example, 0)
+	for i, exampleName := range exampleNames {
+		if verbose() {
+			fmt.Printf("Processing %s [%d/%d]\n", exampleName, i+1, len(exampleNames))
+		}
+		example := Example{Name: exampleName}
+		exampleID := strings.ToLower(exampleName)
+		exampleID = strings.Replace(exampleID, " ", "-", -1)
+		exampleID = strings.Replace(exampleID, "/", "-", -1)
+		exampleID = strings.Replace(exampleID, "'", "", -1)
+		exampleID = dashPat.ReplaceAllString(exampleID, "-")
+		example.ID = exampleID
+		example.Segs = make([][]*Seg, 0)
+		sourcePaths := mustGlob("examples/" + exampleID + "/*")
+		for _, sourcePath := range sourcePaths {
+			if strings.HasSuffix(sourcePath, ".hash") {
+				example.GoCodeHash, example.URLHash = parseHashFile(sourcePath)
+			} else {
+				sourceSegs, filecontents := parseAndRenderSegs(sourcePath)
+				if filecontents != "" {
+					example.GoCode = filecontents
+				}
+				example.Segs = append(example.Segs, sourceSegs)
+			}
+		}
+		newCodeHash := sha1Sum(example.GoCode)
+		if example.GoCodeHash != newCodeHash {
+			example.URLHash = resetURLHashFile(newCodeHash, example.GoCode, "examples/"+example.ID+"/"+example.ID+".hash")
+		}
+		examples = append(examples, &example)
+	}
 	for i, example := range examples {
 		if i < (len(examples) - 1) {
 			example.NextExample = examples[i+1]
@@ -261,6 +274,9 @@ func parseExamples() []*Example {
 }
 
 func renderIndex(examples []*Example) {
+	if verbose() {
+		fmt.Println("Rendering index")
+	}
 	indexTmpl := template.New("index")
 	_, err := indexTmpl.Parse(mustReadFile("templates/index.tmpl"))
 	check(err)
@@ -271,6 +287,9 @@ func renderIndex(examples []*Example) {
 }
 
 func renderExamples(examples []*Example) {
+	if verbose() {
+		fmt.Println("Rendering examples")
+	}
 	exampleTmpl := template.New("example")
 	_, err := exampleTmpl.Parse(mustReadFile("templates/example.tmpl"))
 	check(err)