diff --git a/commands/hugo.go b/commands/hugo.go
index ffc6f0228f1..4f9168e2392 100644
--- a/commands/hugo.go
+++ b/commands/hugo.go
@@ -131,7 +131,7 @@ func (c *commandeer) createLogger(cfg config.Provider, running bool) (*loggers.L
 		logThreshold    = jww.LevelWarn
 		logFile         = cfg.GetString("logFile")
 		outHandle       = os.Stdout
-		stdoutThreshold = jww.LevelError
+		stdoutThreshold = jww.LevelWarn
 	)
 
 	if c.h.verboseLog || c.h.logging || (c.h.logFile != "") {
@@ -294,7 +294,7 @@ func (c *commandeer) fullBuild() error {
 			if !os.IsNotExist(err) {
 				return errors.Wrap(err, "Error copying static files")
 			}
-			c.logger.WARN.Println("No Static directory found")
+			c.logger.INFO.Println("No Static directory found")
 		}
 		langCount = cnt
 		langCount = cnt
@@ -405,7 +405,7 @@ func (c *commandeer) doWithPublishDirs(f func(sourceFs *filesystems.SourceFilesy
 	staticFilesystems := c.hugo.BaseFs.SourceFilesystems.Static
 
 	if len(staticFilesystems) == 0 {
-		c.logger.WARN.Println("No static directories found to sync")
+		c.logger.INFO.Println("No static directories found to sync")
 		return langCount, nil
 	}
 
diff --git a/hugolib/page.go b/hugolib/page.go
index d91082b3bc6..31c30c663ae 100644
--- a/hugolib/page.go
+++ b/hugolib/page.go
@@ -326,7 +326,7 @@ func (p *Page) initContent() {
 
 		select {
 		case <-ctx.Done():
-			p.s.Log.WARN.Printf("WARNING: Timed out creating content for page %q (.Content will be empty). This is most likely a circular shortcode content loop that should be fixed. If this is just a shortcode calling a slow remote service, try to set \"timeout=20000\" (or higher, value is in milliseconds) in config.toml.\n", p.pathOrTitle())
+			p.s.Log.WARN.Printf("Timed out creating content for page %q (.Content will be empty). This is most likely a circular shortcode content loop that should be fixed. If this is just a shortcode calling a slow remote service, try to set \"timeout=30000\" (or higher, value is in milliseconds) in config.toml.\n", p.pathOrTitle())
 		case err := <-c:
 			if err != nil {
 				p.s.SendError(err)
@@ -1456,7 +1456,7 @@ func (p *Page) updateMetaData(frontmatter map[string]interface{}) error {
 
 	if draft != nil && published != nil {
 		p.Draft = *draft
-		p.s.Log.WARN.Printf("page %q has both draft and published settings in its frontmatter. Using draft.", p.File.Path())
+		p.s.Log.INFO.Printf("page %q has both draft and published settings in its frontmatter. Using draft.", p.File.Path())
 	} else if draft != nil {
 		p.Draft = *draft
 	} else if published != nil {
@@ -1973,8 +1973,6 @@ func (p *Page) initLanguage() {
 		language := ml.Language(p.lang)
 
 		if language == nil {
-			// It can be a file named stefano.chiodino.md.
-			p.s.Log.WARN.Printf("Page language (if it is that) not found in multilang setup: %s.", p.lang)
 			language = ml.DefaultLang
 		}
 
diff --git a/hugolib/page_content.go b/hugolib/page_content.go
index dc043f8241a..75124a1df9e 100644
--- a/hugolib/page_content.go
+++ b/hugolib/page_content.go
@@ -188,7 +188,7 @@ func (p *Page) parse(reader io.Reader) error {
 		if gi != nil {
 			p.GitInfo = gi
 		} else if enabled {
-			p.s.Log.WARN.Printf("Failed to find GitInfo for page %q", p.Path())
+			p.s.Log.INFO.Printf("Failed to find GitInfo for page %q", p.Path())
 		}
 	}
 
diff --git a/hugolib/pagebundler_capture.go b/hugolib/pagebundler_capture.go
index c152262cc6e..446d3b0c741 100644
--- a/hugolib/pagebundler_capture.go
+++ b/hugolib/pagebundler_capture.go
@@ -679,7 +679,7 @@ func (c *capturer) isSeen(dirname string) bool {
 	seen := c.seen[dirname]
 	c.seen[dirname] = true
 	if seen {
-		c.logger.WARN.Printf("Content dir %q already processed; skipped to avoid infinite recursion.", dirname)
+		c.logger.INFO.Printf("Content dir %q already processed; skipped to avoid infinite recursion.", dirname)
 		return true
 
 	}
diff --git a/hugolib/site.go b/hugolib/site.go
index e58dd39b29f..26244c0153e 100644
--- a/hugolib/site.go
+++ b/hugolib/site.go
@@ -956,14 +956,14 @@ func (s *Site) handleDataFile(r source.ReadableFile) error {
 			higherPrecedentMap := higherPrecedentData.(map[string]interface{})
 			for key, value := range data.(map[string]interface{}) {
 				if _, exists := higherPrecedentMap[key]; exists {
-					s.Log.WARN.Printf("Data for key '%s' in path '%s' is overridden higher precedence data already in the data tree", key, r.Path())
+					s.Log.INFO.Printf("Data for key '%s' in path '%s' is overridden by higher precedence data already in the data tree", key, r.Path())
 				} else {
 					higherPrecedentMap[key] = value
 				}
 			}
 		default:
 			// can't merge: higherPrecedentData is not a map
-			s.Log.WARN.Printf("The %T data from '%s' overridden by "+
+			s.Log.INFO.Printf("The %T data from '%s' overridden by "+
 				"higher precedence %T data already in the data tree", data, r.Path(), higherPrecedentData)
 		}
 
@@ -972,7 +972,7 @@ func (s *Site) handleDataFile(r source.ReadableFile) error {
 			current[r.BaseFileName()] = data
 		} else {
 			// we don't merge array data
-			s.Log.WARN.Printf("The %T data from '%s' overridden by "+
+			s.Log.INFO.Printf("The %T data from '%s' overridden by "+
 				"higher precedence %T data already in the data tree", data, r.Path(), higherPrecedentData)
 		}
 
@@ -1759,24 +1759,49 @@ func (s *Site) renderAndWritePage(statCounter *uint64, name string, targetPath s
 	return s.publisher.Publish(pd)
 }
 
+var infoOnMissingLayout = map[string]bool{
+	// The 404 layout is very much optional in Hugo, but we do look for it.
+	"404": true,
+}
+
 func (s *Site) renderForLayouts(name string, d interface{}, w io.Writer, layouts ...string) (err error) {
 	var templ tpl.Template
 
 	templ = s.findFirstTemplate(layouts...)
 	if templ == nil {
-		s.Log.WARN.Printf("[%s] Unable to locate layout for %q: %s\n", s.Language.Lang, name, layouts)
+		log := s.Log.WARN
+		if infoOnMissingLayout[name] {
+			log = s.Log.INFO
+		}
+
+		if p, ok := d.(*PageOutput); ok {
+			log.Printf("Found no layout for %q, language %q, output format %q: create a template below /layouts with one of these filenames: %s\n", name, s.Language.Lang, p.outputFormat.Name, layoutsLogFormat(layouts))
+		} else {
+			log.Printf("Found no layout for %q, language %q: create a template below /layouts with one of these filenames: %s\n", name, s.Language.Lang, layoutsLogFormat(layouts))
+		}
 		return nil
 	}
 
 	if err = templ.Execute(w, d); err != nil {
-		if p, ok := d.(*PageOutput); ok {
-			return p.errorf(err, "render of %q failed", name)
-		}
 		return _errors.Wrapf(err, "render of %q failed", name)
 	}
 	return
 }
 
+func layoutsLogFormat(layouts []string) string {
+	var filtered []string
+	for _, l := range layouts {
+		// This is  a technical prefix of no interest to the user.
+		lt := strings.TrimPrefix(l, "_text/")
+		// We have this in the lookup path for historical reasons.
+		lt = strings.TrimPrefix(lt, "page/")
+		filtered = append(filtered, lt)
+	}
+
+	filtered = helpers.UniqueStrings(filtered)
+	return strings.Join(filtered, ", ")
+}
+
 func (s *Site) findFirstTemplate(layouts ...string) tpl.Template {
 	for _, layout := range layouts {
 		if templ, found := s.Tmpl.Lookup(layout); found {
diff --git a/i18n/i18n.go b/i18n/i18n.go
index d395bbf62bd..25f2d300e40 100644
--- a/i18n/i18n.go
+++ b/i18n/i18n.go
@@ -45,11 +45,11 @@ func (t Translator) Func(lang string) bundle.TranslateFunc {
 	if f, ok := t.translateFuncs[lang]; ok {
 		return f
 	}
-	t.logger.WARN.Printf("Translation func for language %v not found, use default.", lang)
+	t.logger.INFO.Printf("Translation func for language %v not found, use default.", lang)
 	if f, ok := t.translateFuncs[t.cfg.GetString("defaultContentLanguage")]; ok {
 		return f
 	}
-	t.logger.WARN.Println("i18n not initialized, check that you have language file (in i18n) that matches the site language or the default language.")
+	t.logger.INFO.Println("i18n not initialized; if you need string translations, check that you have a bundle in /i18n that matches the site language or the default language.")
 	return func(translationID string, args ...interface{}) string {
 		return ""
 	}
@@ -61,7 +61,7 @@ func (t Translator) initFuncs(bndl *bundle.Bundle) {
 
 	defaultT, err := bndl.Tfunc(defaultContentLanguage)
 	if err != nil {
-		t.logger.WARN.Printf("No translation bundle found for default language %q", defaultContentLanguage)
+		t.logger.INFO.Printf("No translation bundle found for default language %q", defaultContentLanguage)
 	}
 
 	enableMissingTranslationPlaceholders := t.cfg.GetBool("enableMissingTranslationPlaceholders")
diff --git a/tpl/data/data.go b/tpl/data/data.go
index 8b3eb8292ef..cecce4b4574 100644
--- a/tpl/data/data.go
+++ b/tpl/data/data.go
@@ -50,7 +50,7 @@ func (ns *Namespace) GetCSV(sep string, urlParts ...string) (d [][]string, err e
 	url := strings.Join(urlParts, "")
 
 	var clearCacheSleep = func(i int, u string) {
-		ns.deps.Log.WARN.Printf("Retry #%d for %s and sleeping for %s", i, url, resSleep)
+		ns.deps.Log.INFO.Printf("Retry #%d for %s and sleeping for %s", i, url, resSleep)
 		time.Sleep(resSleep)
 		deleteCache(url, ns.deps.Fs.Source, ns.deps.Cfg)
 	}
@@ -109,8 +109,8 @@ func (ns *Namespace) GetJSON(urlParts ...string) (v interface{}, err error) {
 		}
 		err = json.Unmarshal(c, &v)
 		if err != nil {
-			ns.deps.Log.WARN.Printf("Cannot read JSON from resource %s: %s", url, err)
-			ns.deps.Log.WARN.Printf("Retry #%d for %s and sleeping for %s", i, url, resSleep)
+			ns.deps.Log.INFO.Printf("Cannot read JSON from resource %s: %s", url, err)
+			ns.deps.Log.INFO.Printf("Retry #%d for %s and sleeping for %s", i, url, resSleep)
 			time.Sleep(resSleep)
 			deleteCache(url, ns.deps.Fs.Source, ns.deps.Cfg)
 			continue