diff --git a/pkg/container/client.go b/pkg/container/client.go
index 2063332..635aa3e 100644
--- a/pkg/container/client.go
+++ b/pkg/container/client.go
@@ -295,7 +295,11 @@ func (client dockerClient) PullImage(ctx context.Context, container Container) e
 	log.WithFields(fields).Debugf("Checking if pull is needed")
 
 	if match, err := digest.CompareDigest(container, opts.RegistryAuth); err != nil {
-		log.Info("Could not do a head request, falling back to regular pull.")
+		if registry.WarnOnAPIConsumption(container) {
+			log.WithFields(fields).Warning("Could not do a head request, falling back to regular pull.")
+		} else {
+			log.Debug("Could not do a head request, falling back to regular pull.")
+		}
 		log.Debugf("Reason: %s", err.Error())
 	} else if match {
 		log.Debug("No pull needed. Skipping image.")
diff --git a/pkg/registry/registry.go b/pkg/registry/registry.go
index 98eab0e..9edd66f 100644
--- a/pkg/registry/registry.go
+++ b/pkg/registry/registry.go
@@ -1,6 +1,9 @@
 package registry
 
 import (
+	"github.com/containrrr/watchtower/pkg/registry/helpers"
+	watchtowerTypes "github.com/containrrr/watchtower/pkg/types"
+	ref "github.com/docker/distribution/reference"
 	"github.com/docker/docker/api/types"
 	log "github.com/sirupsen/logrus"
 )
@@ -31,3 +34,26 @@ func DefaultAuthHandler() (string, error) {
 	log.Debug("Authentication request was rejected. Trying again without authentication")
 	return "", nil
 }
+
+// WarnOnAPIConsumption will return true if the registry is known-expected
+// to respond well to HTTP HEAD in checking the container digest -- or if there
+// are problems parsing the container hostname.
+// Will return false if behavior for container is unknown.
+func WarnOnAPIConsumption(container watchtowerTypes.Container) bool {
+
+	normalizedName, err := ref.ParseNormalizedNamed(container.ImageName())
+	if err != nil {
+		return true
+	}
+
+	containerHost, err := helpers.NormalizeRegistry(normalizedName.String())
+	if err != nil {
+		return true
+	}
+
+	if containerHost == "index.docker.io" || containerHost == "ghcr.io" {
+		return true
+	}
+
+	return false
+}