diff --git a/src/lib/loggers.js b/src/lib/loggers.js
index 3524ac2dd27..e6bb04224c9 100644
--- a/src/lib/loggers.js
+++ b/src/lib/loggers.js
@@ -12,6 +12,8 @@
 
 var dfltConfig = require('../plot_api/plot_config').dfltConfig;
 
+var notifier = require('./notifier');
+
 var loggers = module.exports = {};
 
 /**
@@ -21,39 +23,63 @@ var loggers = module.exports = {};
  */
 
 loggers.log = function() {
+    var i;
+
     if(dfltConfig.logging > 1) {
         var messages = ['LOG:'];
-
-        for(var i = 0; i < arguments.length; i++) {
+        for(i = 0; i < arguments.length; i++) {
             messages.push(arguments[i]);
         }
-
         apply(console.trace || console.log, messages);
     }
+
+    if(dfltConfig.notifyOnLogging > 1) {
+        var lines = [];
+        for(i = 0; i < arguments.length; i++) {
+            lines.push(arguments[i]);
+        }
+        notifier(lines.join('<br>'), 'long');
+    }
 };
 
 loggers.warn = function() {
+    var i;
+
     if(dfltConfig.logging > 0) {
         var messages = ['WARN:'];
-
-        for(var i = 0; i < arguments.length; i++) {
+        for(i = 0; i < arguments.length; i++) {
             messages.push(arguments[i]);
         }
-
         apply(console.trace || console.log, messages);
     }
+
+    if(dfltConfig.notifyOnLogging > 0) {
+        var lines = [];
+        for(i = 0; i < arguments.length; i++) {
+            lines.push(arguments[i]);
+        }
+        notifier(lines.join('<br>'), 'stick');
+    }
 };
 
 loggers.error = function() {
+    var i;
+
     if(dfltConfig.logging > 0) {
         var messages = ['ERROR:'];
-
-        for(var i = 0; i < arguments.length; i++) {
+        for(i = 0; i < arguments.length; i++) {
             messages.push(arguments[i]);
         }
-
         apply(console.error, messages);
     }
+
+    if(dfltConfig.notifyOnLogging > 0) {
+        var lines = [];
+        for(i = 0; i < arguments.length; i++) {
+            lines.push(arguments[i]);
+        }
+        notifier(lines.join('<br>'), 'stick');
+    }
 };
 
 /*
diff --git a/src/lib/notifier.js b/src/lib/notifier.js
index 34d3fe47dfa..89b63ede164 100644
--- a/src/lib/notifier.js
+++ b/src/lib/notifier.js
@@ -70,11 +70,17 @@ module.exports = function(text, displayLength) {
                 p.append('span').text(lines[i]);
             }
 
-            note.transition()
-                    .duration(700)
-                    .style('opacity', 1)
-                .transition()
-                    .delay(ts)
-                    .call(killNote);
+            if(displayLength === 'stick') {
+                note.transition()
+                        .duration(350)
+                        .style('opacity', 1);
+            } else {
+                note.transition()
+                        .duration(700)
+                        .style('opacity', 1)
+                    .transition()
+                        .delay(ts)
+                        .call(killNote);
+            }
         });
 };
diff --git a/src/plot_api/plot_config.js b/src/plot_api/plot_config.js
index 2f2f750332b..87c3d8e4ad7 100644
--- a/src/plot_api/plot_config.js
+++ b/src/plot_api/plot_config.js
@@ -376,7 +376,9 @@ var configAttributes = {
     },
 
     logging: {
-        valType: 'boolean',
+        valType: 'integer',
+        min: 0,
+        max: 2,
         dflt: 1,
         description: [
             'Turn all console logging on or off (errors will be thrown)',
@@ -388,6 +390,21 @@ var configAttributes = {
         ].join(' ')
     },
 
+    notifyOnLogging: {
+        valType: 'integer',
+        min: 0,
+        max: 2,
+        dflt: 0,
+        description: [
+            'Set on-graph logging (notifier) level',
+            'This should ONLY be set via Plotly.setPlotConfig',
+            'Available levels:',
+            '0: no on-graph logs',
+            '1: warnings and errors, but not informational messages',
+            '2: verbose logs'
+        ].join(' ')
+    },
+
     queueLength: {
         valType: 'integer',
         min: 0,
diff --git a/src/plots/mapbox/index.js b/src/plots/mapbox/index.js
index 9efcafca2a0..c9e93b61d6f 100644
--- a/src/plots/mapbox/index.js
+++ b/src/plots/mapbox/index.js
@@ -250,6 +250,7 @@ function findAccessToken(gd, mapboxIds) {
         var msg = hasOneSetMapboxStyle ?
             constants.noAccessTokenErrorMsg :
             constants.missingStyleErrorMsg;
+        Lib.error(msg);
         throw new Error(msg);
     }
 
diff --git a/test/image/compare_pixels_test.js b/test/image/compare_pixels_test.js
index 2ada885b019..f8a1ca22f91 100644
--- a/test/image/compare_pixels_test.js
+++ b/test/image/compare_pixels_test.js
@@ -102,6 +102,7 @@ if(allMock || argv.filter) {
 
 var FLAKY_LIST = [
     'treemap_textposition',
+    'treemap_with-without_values_template',
     'trace_metatext',
     'gl3d_directions-streamtube1'
 ];
diff --git a/test/jasmine/tests/lib_test.js b/test/jasmine/tests/lib_test.js
index cbcdfb2ec18..34d5d2c43a6 100644
--- a/test/jasmine/tests/lib_test.js
+++ b/test/jasmine/tests/lib_test.js
@@ -1671,8 +1671,9 @@ describe('Test lib.js:', function() {
     });
 
     describe('loggers', function() {
-        var stashConsole,
-            stashLogLevel;
+        var stashConsole;
+        var stashLogLevel;
+        var stashOnGraphLogLevel;
 
         function consoleFn(name, hasApply, messages) {
             var out = function() {
@@ -1703,11 +1704,13 @@ describe('Test lib.js:', function() {
         beforeEach(function() {
             stashConsole = window.console;
             stashLogLevel = config.logging;
+            stashOnGraphLogLevel = config.notifyOnLogging;
         });
 
         afterEach(function() {
             window.console = stashConsole;
             config.logging = stashLogLevel;
+            config.notifyOnLogging = stashOnGraphLogLevel;
         });
 
         it('emits one console message if apply is available', function() {
@@ -1807,6 +1810,50 @@ describe('Test lib.js:', function() {
                 ['log', [{a: 1, b: 2}]]
             ]);
         });
+
+        describe('should log message in notifier div in accordance notifyOnLogging config option', function() {
+            var query = '.notifier-note';
+
+            beforeEach(function(done) {
+                d3.selectAll(query).each(function() {
+                    d3.select(this).select('button').node().click();
+                });
+                setTimeout(done, 1000);
+            });
+
+            function _run(exp) {
+                config.logging = 0;
+
+                Lib.log('log');
+                Lib.warn('warn');
+                Lib.error('error!');
+
+                var notes = d3.selectAll(query);
+
+                expect(notes.size()).toBe(exp.length, '# of notifier notes');
+
+                var actual = [];
+                notes.each(function() {
+                    actual.push(d3.select(this).select('p').text());
+                });
+                expect(actual).toEqual(exp);
+            }
+
+            it('with level 2', function() {
+                config.notifyOnLogging = 2;
+                _run(['log', 'warn', 'error!']);
+            });
+
+            it('with level 1', function() {
+                config.notifyOnLogging = 1;
+                _run(['warn', 'error!']);
+            });
+
+            it('with level 0', function() {
+                config.notifyOnLogging = 0;
+                _run([]);
+            });
+        });
     });
 
     describe('keyedContainer', function() {
diff --git a/test/jasmine/tests/mapbox_test.js b/test/jasmine/tests/mapbox_test.js
index 75d78fc738b..ebe795b20c3 100644
--- a/test/jasmine/tests/mapbox_test.js
+++ b/test/jasmine/tests/mapbox_test.js
@@ -295,7 +295,7 @@ describe('mapbox credentials', function() {
             }]);
         }).toThrow(new Error(constants.missingStyleErrorMsg));
 
-        expect(Lib.error).toHaveBeenCalledTimes(0);
+        expect(Lib.error).toHaveBeenCalledWith(constants.missingStyleErrorMsg);
     }, LONG_TIMEOUT_INTERVAL);
 
     it('@gl should throw error when setting a Mapbox style w/o a registered token', function() {