diff --git a/brozzler/__init__.py b/brozzler/__init__.py
index ed74e1a..35abfa3 100644
--- a/brozzler/__init__.py
+++ b/brozzler/__init__.py
@@ -123,7 +123,7 @@ def behavior_script(url, template_parameters=None, behaviors_dir=None):
     """
     import re, json
 
-    logger = structlog.get_logger()
+    logger = structlog.get_logger(logger_name=__name__)
 
     for behavior in behaviors(behaviors_dir=behaviors_dir):
         if re.match(behavior["url_regex"], url):
@@ -139,7 +139,7 @@ def behavior_script(url, template_parameters=None, behaviors_dir=None):
             logger.info(
                 "rendering template",
                 template=behavior["behavior_js_template"],
-                parameters=json.dumps(parameters),
+                parameters=parameters,
                 url=url,
             )
             return script
diff --git a/brozzler/chrome.py b/brozzler/chrome.py
index a23c3e5..4bfb9d8 100644
--- a/brozzler/chrome.py
+++ b/brozzler/chrome.py
@@ -268,7 +268,7 @@ class Chrome:
                 if time.time() - self._last_warning > 30:
                     url_logger.warning(
                         "problem accessing url (will keep trying until timeout)",
-                        timeout=timeout_sec,
+                        timeout_sec=timeout_sec,
                         exc_info=True,
                     )
                     self._last_warning = time.time()
diff --git a/brozzler/cli.py b/brozzler/cli.py
index 2781b30..c63d2b7 100755
--- a/brozzler/cli.py
+++ b/brozzler/cli.py
@@ -43,7 +43,7 @@ import rethinkdb as rdb
 
 r = rdb.RethinkDB()
 
-logger = structlog.get_logger()
+logger = structlog.get_logger(logger_name=__name__)
 
 
 def add_common_options(arg_parser, argv=None):
@@ -137,7 +137,7 @@ def configure_logging(args):
             structlog.processors.add_log_level,
             structlog.processors.StackInfoRenderer(),
             structlog.dev.set_exc_info,
-            structlog.processors.TimeStamper(fmt="%Y-%m-%d %H:%M:%S", utc=False),
+            structlog.processors.TimeStamper(fmt="%Y-%m-%d %H:%M:%S", utc=True),
             structlog.processors.CallsiteParameterAdder(
                 [
                     structlog.processors.CallsiteParameter.FILENAME,
diff --git a/brozzler/dashboard/__init__.py b/brozzler/dashboard/__init__.py
index e53d363..fcac6c5 100644
--- a/brozzler/dashboard/__init__.py
+++ b/brozzler/dashboard/__init__.py
@@ -20,7 +20,7 @@ limitations under the License.
 import structlog
 import sys
 
-logger = structlog.get_logger()
+logger = structlog.get_logger(logger_name=__name__)
 
 try:
     import flask
diff --git a/brozzler/easy.py b/brozzler/easy.py
index 2834aa4..28a6c14 100644
--- a/brozzler/easy.py
+++ b/brozzler/easy.py
@@ -21,6 +21,8 @@ limitations under the License.
 import structlog
 import sys
 
+logger = structlog.get_logger(logger_name=__name__)
+
 try:
     import warcprox
     import warcprox.main
@@ -30,7 +32,7 @@ try:
     import wsgiref.handlers
     import brozzler.dashboard
 except ImportError as e:
-    structlog.get_logger().critical(
+    logger.critical(
         '%s: %s\n\nYou might need to run "pip install '
         'brozzler[easy]".\nSee README.rst for more information.',
         type(e).__name__,
@@ -310,7 +312,7 @@ class BrozzlerEasyController:
             state_strs.append(str(th))
             stack = traceback.format_stack(sys._current_frames()[th.ident])
             state_strs.append("".join(stack))
-        structlog.get_logger().warning(
+        logger.warning(
             "dumping state (caught signal)", signal=signum, state="\n".join(state_strs)
         )
 
diff --git a/brozzler/model.py b/brozzler/model.py
index 271d64e..0a3e01c 100644
--- a/brozzler/model.py
+++ b/brozzler/model.py
@@ -37,7 +37,7 @@ import zlib
 from enum import Enum
 from typing import Optional
 
-logger = structlog.get_logger()
+logger = structlog.get_logger(logger_name=__name__)
 
 
 def load_schema():
diff --git a/brozzler/pywb.py b/brozzler/pywb.py
index 993e807..de0fa44 100644
--- a/brozzler/pywb.py
+++ b/brozzler/pywb.py
@@ -21,7 +21,7 @@ limitations under the License.
 import sys
 import structlog
 
-logger = structlog.get_logger()
+logger = structlog.get_logger(logger_name=__name__)
 
 try:
     import pywb.apps.cli
diff --git a/brozzler/robots.py b/brozzler/robots.py
index e20a9c7..b3053b9 100644
--- a/brozzler/robots.py
+++ b/brozzler/robots.py
@@ -119,7 +119,7 @@ def is_permitted_by_robots(site, url, proxy=None):
             # reppy has wrapped an exception that we want to bubble up
             raise brozzler.ProxyError(e)
         else:
-            structlog.get_logger().warning(
+            structlog.get_logger(logger_name=__name__).warning(
                 "returning true (permitted) after problem fetching " "robots.txt",
                 url=url,
                 exception=e,
diff --git a/brozzler/ydl.py b/brozzler/ydl.py
index 12ac370..21c0652 100644
--- a/brozzler/ydl.py
+++ b/brozzler/ydl.py
@@ -44,7 +44,7 @@ YTDLP_WAIT = 10
 YTDLP_MAX_REDIRECTS = 5
 
 
-logger = structlog.get_logger()
+logger = structlog.get_logger(logger_name=__name__)
 
 
 def should_ytdlp(site, page, page_status):
diff --git a/tests/test_cluster.py b/tests/test_cluster.py
index 979898f..b891a0f 100644
--- a/tests/test_cluster.py
+++ b/tests/test_cluster.py
@@ -36,7 +36,7 @@ import sys
 import warcprox
 
 
-logger = structlog.get_logger()
+logger = structlog.get_logger(logger_name=__name__)
 
 
 # https://stackoverflow.com/questions/166506/finding-local-ip-addresses-using-pythons-stdlib