diff --git a/anonstream/chat.py b/anonstream/chat.py
index c30ce69..91e282c 100644
--- a/anonstream/chat.py
+++ b/anonstream/chat.py
@@ -62,14 +62,21 @@ def add_chat_message(user, nonce, comment, ignore_empty=False):
         raise Rejected('Message was empty')
     if len(comment.strip()) == 0:
         raise Rejected('Message was practically empty')
-    if len(comment) > 512:
-        raise Rejected('Message exceeded 512 chars')
-    if comment.count('\n') + 1 > 12:
-        raise Rejected('Message exceeded 12 lines')
+    if len(comment) > CONFIG['CHAT_COMMENT_MAX_LENGTH']:
+        raise Rejected(
+            f'Message exceeded {CONFIG["CHAT_COMMENT_MAX_LENGTH"]} chars'
+        )
 
+    if comment.count('\n') + 1 > CONFIG['CHAT_COMMENT_MAX_LINES']:
+        raise Rejected(
+            f'Message exceeded {CONFIG["CHAT_COMMENT_MAX_LINES"]} lines'
+        )
     linespan = get_approx_linespan(comment)
-    if linespan > 12:
-        raise Rejected('Message would span too many lines')
+    if linespan > CONFIG['CHAT_COMMENT_MAX_LINES']:
+        raise Rejected(
+            f'Message would span {CONFIG["CHAT_COMMENT_MAX_LINES"]} '
+            f'or more lines'
+        )
 
     # Record linespan
     linespan_tuple = (timestamp, linespan)
diff --git a/anonstream/config.py b/anonstream/config.py
index 0fdced9..376505d 100644
--- a/anonstream/config.py
+++ b/anonstream/config.py
@@ -33,10 +33,11 @@ def toml_to_flask_sections(config):
         toml_to_flask_section_names,
         toml_to_flask_section_memory,
         toml_to_flask_section_tasks,
-        toml_to_flask_section_thresholds,
+        toml_to_flask_section_presence,
         toml_to_flask_section_chat,
         toml_to_flask_section_flood,
         toml_to_flask_section_captcha,
+        toml_to_flask_section_nojs,
     )
     for toml_to_flask_section in TOML_TO_FLASK_SECTIONS:
         yield toml_to_flask_section(config)
@@ -103,23 +104,24 @@ def toml_to_flask_section_tasks(config):
         'TASK_BROADCAST_STREAM_INFO_UPDATE': cfg['broadcast_stream_info_update'],
     }
 
-def toml_to_flask_section_thresholds(config):
-    cfg = config['thresholds']
-    assert cfg['user_notwatching'] <= cfg['user_tentative'] <= cfg['user_absent']
+def toml_to_flask_section_presence(config):
+    cfg = config['presence']
+    assert cfg['notwatching'] <= cfg['tentative'] <= cfg['absent']
     return {
-        'THRESHOLD_USER_NOTWATCHING': cfg['user_notwatching'],
-        'THRESHOLD_USER_TENTATIVE': cfg['user_tentative'],
-        'THRESHOLD_USER_ABSENT': cfg['user_absent'],
-        'THRESHOLD_NOJS_CHAT_TIMEOUT': cfg['nojs_chat_timeout'],
+        'PRESENCE_NOTWATCHING': cfg['notwatching'],
+        'PRESENCE_TENTATIVE': cfg['tentative'],
+        'PRESENCE_ABSENT': cfg['absent'],
     }
 
 def toml_to_flask_section_chat(config):
     cfg = config['chat']
     return {
-        'CHAT_COMMENT_MAX_LENGTH': cfg['max_name_length'],
+        'CHAT_COMMENT_MAX_LENGTH': cfg['max_comment_length'],
+        'CHAT_COMMENT_MAX_LINES': cfg['max_comment_lines'],
         'CHAT_NAME_MAX_LENGTH': cfg['max_name_length'],
         'CHAT_NAME_MIN_CONTRAST': cfg['min_name_contrast'],
         'CHAT_BACKGROUND_COLOUR': color_to_colour(cfg['background_color']),
+        'CHAT_TRIPCODE_PASSWORD_MAX_LENGTH': cfg['max_tripcode_password_length'],
         'CHAT_LEGACY_TRIPCODE_ALGORITHM': cfg['legacy_tripcode_algorithm'],
     }
 
@@ -147,3 +149,12 @@ def toml_to_flask_section_captcha(config):
         'CAPTCHA_BACKGROUND_COLOUR': color_to_colour(cfg['background_color']),
         'CAPTCHA_FOREGROUND_COLOUR': color_to_colour(cfg['foreground_color']),
     }
+
+def toml_to_flask_section_nojs(config):
+    cfg = config['nojs']
+    return {
+        'NOJS_REFRESH_MESSAGES': round(cfg['refresh_messages']),
+        'NOJS_REFRESH_INFO': round(cfg['refresh_info']),
+        'NOJS_REFRESH_USERS': round(cfg['refresh_users']),
+        'NOJS_TIMEOUT_CHAT': round(cfg['timeout_chat']),
+    }
diff --git a/anonstream/helpers/user.py b/anonstream/helpers/user.py
index f18561e..072230c 100644
--- a/anonstream/helpers/user.py
+++ b/anonstream/helpers/user.py
@@ -62,16 +62,16 @@ def get_default_name(user):
 
 def get_presence(timestamp, user):
     last_watching_ago = timestamp - user['last']['watching']
-    if last_watching_ago < CONFIG['THRESHOLD_USER_NOTWATCHING']:
+    if last_watching_ago < CONFIG['PRESENCE_NOTWATCHING']:
         return Presence.WATCHING
 
     last_seen_ago = timestamp - user['last']['seen']
-    if last_seen_ago < CONFIG['THRESHOLD_USER_TENTATIVE']:
+    if last_seen_ago < CONFIG['PRESENCE_TENTATIVE']:
         return Presence.NOTWATCHING
     if user['websockets']:
         return Presence.NOTWATCHING
 
-    if last_seen_ago < CONFIG['THRESHOLD_USER_ABSENT']:
+    if last_seen_ago < CONFIG['PRESENCE_ABSENT']:
         return Presence.TENTATIVE
 
     return Presence.ABSENT
diff --git a/anonstream/routes/nojs.py b/anonstream/routes/nojs.py
index 569269e..0a6c836 100644
--- a/anonstream/routes/nojs.py
+++ b/anonstream/routes/nojs.py
@@ -35,6 +35,7 @@ async def nojs_info(user):
     return await render_template(
         'nojs_info.html',
         csp=generate_csp(),
+        refresh=CONFIG['NOJS_REFRESH_INFO'],
         user=user,
         viewership=viewership,
         uptime=uptime,
@@ -48,10 +49,11 @@ async def nojs_chat_messages(user):
     return await render_template_with_etag(
         'nojs_chat_messages.html',
         {'csp': generate_csp()},
+        refresh=CONFIG['NOJS_REFRESH_MESSAGES'],
         user=user,
         users_by_token=USERS_BY_TOKEN,
         messages=get_scrollback(current_app.messages),
-        timeout=CONFIG['THRESHOLD_NOJS_CHAT_TIMEOUT'],
+        timeout=CONFIG['NOJS_TIMEOUT_CHAT'],
         get_default_name=get_default_name,
     )
 
@@ -67,11 +69,12 @@ async def nojs_chat_users(user):
     return await render_template_with_etag(
         'nojs_chat_users.html',
         {'csp': generate_csp()},
+        refresh=CONFIG['NOJS_REFRESH_USERS'],
         user=user,
         get_default_name=get_default_name,
         users_watching=users_by_presence[Presence.WATCHING],
         users_notwatching=users_by_presence[Presence.NOTWATCHING],
-        timeout=CONFIG['THRESHOLD_NOJS_CHAT_TIMEOUT'],
+        timeout=CONFIG['NOJS_TIMEOUT_CHAT'],
     )
 
 @current_app.route('/chat/form.html')
@@ -89,20 +92,22 @@ async def nojs_chat_form(user):
         nonce=generate_nonce(),
         digest=get_random_captcha_digest_for(user),
         default_name=get_default_name(user),
+        max_comment_length=CONFIG['CHAT_COMMENT_MAX_LENGTH'],
+        max_name_length=CONFIG['CHAT_NAME_MAX_LENGTH'],
+        max_password_length=CONFIG['CHAT_TRIPCODE_PASSWORD_MAX_LENGTH'],
     )
 
 @current_app.post('/chat/form')
 @with_user_from(request)
 async def nojs_chat_form_redirect(user):
     comment = (await request.form).get('comment', '')
-    if len(comment) > CONFIG['CHAT_COMMENT_MAX_LENGTH']:
-        comment = ''
-
     if comment:
-        state_id = add_state(user, comment=comment)
+        state_id = add_state(
+            user,
+            comment=comment[:CONFIG['CHAT_COMMENT_MAX_LENGTH']],
+        )
     else:
         state_id = None
-
     return redirect(url_for('nojs_chat_form', token=user['token'], state=state_id))
 
 @current_app.post('/chat/message')
@@ -117,7 +122,11 @@ async def nojs_submit_message(user):
         verification_happened = verify(user, digest, answer)
     except BadCaptcha as e:
         notice, *_ = e.args
-        state_id = add_state(user, notice=notice, comment=comment)
+        state_id = add_state(
+            user,
+            notice=notice,
+            comment=comment[:CONFIG['CHAT_COMMENT_MAX_LENGTH']],
+        )
     else:
         nonce = form.get('nonce', '')
         try:
@@ -131,7 +140,11 @@ async def nojs_submit_message(user):
             )
         except Rejected as e:
             notice, *_ = e.args
-            state_id = add_state(user, notice=notice, comment=comment)
+            state_id = add_state(
+                user,
+                notice=notice,
+                comment=comment[:CONFIG['CHAT_COMMENT_MAX_LENGTH']],
+            )
         else:
             state_id = None
             if message_was_added:
diff --git a/anonstream/static/anonstream.js b/anonstream/static/anonstream.js
index 2392443..1c68be4 100644
--- a/anonstream/static/anonstream.js
+++ b/anonstream/static/anonstream.js
@@ -33,7 +33,7 @@ const jsmarkup_chat_users = `\
 const jsmarkup_chat_form = `\
 <form id="chat-form_js" data-js="true" action="/chat" method="post">
   <input id="chat-form_js__nonce" type="hidden" name="nonce" value="">
-  <textarea id="chat-form_js__comment" name="comment" maxlength="512" required placeholder="Send a message..." rows="1" autofocus></textarea>
+  <textarea id="chat-form_js__comment" name="comment" required placeholder="Send a message..." rows="1" autofocus></textarea>
   <div id="chat-live">
     <span id="chat-live__ball"></span>
     <span id="chat-live__status">
@@ -55,10 +55,10 @@ const jsmarkup_chat_form = `\
 </form>
 <form id="appearance-form_js" data-hidden="">
   <span id="appearance-form_js__label-name">Name:</span>
-  <input id="appearance-form_js__name" name="name" maxlength="24">
+  <input id="appearance-form_js__name" name="name">
   <input id="appearance-form_js__color" type="color" name="color">
   <span id="appearance-form_js__label-tripcode">Tripcode:</span>
-  <input id="appearance-form_js__password" type="password" name="password" placeholder="(tripcode password)" maxlength="1024">
+  <input id="appearance-form_js__password" type="password" name="password" placeholder="(tripcode password)">
   <div id="appearance-form_js__row">
     <article id="appearance-form_js__row__result"></article>
     <input id="appearance-form_js__row__submit" type="submit" value="Update">
diff --git a/anonstream/templates/nojs_chat_form.html b/anonstream/templates/nojs_chat_form.html
index 67f8bf2..c759b0d 100644
--- a/anonstream/templates/nojs_chat_form.html
+++ b/anonstream/templates/nojs_chat_form.html
@@ -220,7 +220,7 @@
   {% endif %}
   <form id="chat-form" action="{{ url_for('nojs_submit_message', token=user.token) }}" method="post">
     <input type="hidden" name="nonce" value="{{ nonce }}">
-    <textarea id="chat-form__comment" name="comment" maxlength="512" {% if digest is none %}required {% endif %} placeholder="Send a message..." rows="1" tabindex="1" autofocus accesskey="m">{{ state.comment }}</textarea>
+    <textarea id="chat-form__comment" name="comment" maxlength="{{ max_comment_length }}" {% if digest is none %}required {% endif %} placeholder="Send a message..." rows="1" tabindex="1" autofocus accesskey="m">{{ state.comment }}</textarea>
     <input id="chat-form__submit" type="submit" value="Chat" tabindex="4" accesskey="p">
     <div id="chat-form__exit"><label for="toggle" class="pseudolink">Settings</label></div>
     {% if digest %}
@@ -231,7 +231,7 @@
   </form>
   <form id="appearance-form" action="{{ url_for('nojs_submit_appearance', token=user.token) }}" method="post">
     <label id="appearance-form__label-name" for="appearance-form__name">Name:</label>
-    <input id="appearance-form__name" name="name" value="{{ user.name or '' }}" placeholder="{{ default_name }}" maxlength="24">
+    <input id="appearance-form__name" name="name" value="{{ user.name or '' }}" placeholder="{{ default_name }}" maxlength="{{ max_name_length }}">
     <input type="color" name="color" value="{{ user.color }}">
     <label id="appearance-form__label-password" for="appearance-form__password">Tripcode:</label>
     <input id="password-toggle" name="set-tripcode" type="checkbox" accesskey="s">
@@ -247,7 +247,7 @@
         <label id="hide-cleared" for="cleared-toggle" class="pseudolink">undo</label>
       {% endif %}
     </div>
-    <input id="appearance-form__password" name="password" type="password" placeholder="(tripcode password)" maxlength="1024">
+    <input id="appearance-form__password" name="password" type="password" placeholder="(tripcode password)" maxlength="{{ max_password_length }}">
     <div id="hide-password"><label for="password-toggle" class="pseudolink x">&times;</label></div>
     <div id="appearance-form__buttons">
       <div id="appearance-form__buttons__exit"><label for="toggle" class="pseudolink">Return to chat</label></div>
diff --git a/anonstream/templates/nojs_chat_messages.html b/anonstream/templates/nojs_chat_messages.html
index a22cf54..0647188 100644
--- a/anonstream/templates/nojs_chat_messages.html
+++ b/anonstream/templates/nojs_chat_messages.html
@@ -9,8 +9,8 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta http-equiv="content-security-policy" content="default-src 'none'; style-src 'nonce-{{ csp }}';">
-  <meta http-equiv="refresh" content="4">
-  <meta http-equiv="refresh" content="5; url={{ url_for('nojs_chat_messages_redirect', token=user.token) }}">
+  <meta http-equiv="refresh" content="{{ refresh }}">
+  <meta http-equiv="refresh" content="{{ refresh + 1 }}; url={{ url_for('nojs_chat_messages_redirect', token=user.token) }}">
   <style nonce="{{ csp }}">
     html {
       height: 100%;
diff --git a/anonstream/templates/nojs_chat_users.html b/anonstream/templates/nojs_chat_users.html
index 1d5235f..246f09a 100644
--- a/anonstream/templates/nojs_chat_users.html
+++ b/anonstream/templates/nojs_chat_users.html
@@ -9,7 +9,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta http-equiv="content-security-policy" content="default-src 'none'; style-src 'nonce-{{ csp }}';">
-  <meta http-equiv="refresh" content="6">
+  <meta http-equiv="refresh" content="{{ refresh }}">
   <style nonce="{{ csp }}">
     html {
       min-height: 100%;
diff --git a/anonstream/templates/nojs_info.html b/anonstream/templates/nojs_info.html
index c770f50..ff6e085 100644
--- a/anonstream/templates/nojs_info.html
+++ b/anonstream/templates/nojs_info.html
@@ -8,7 +8,7 @@
   <meta charset="utf-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <meta http-equiv="content-security-policy" content="default-src 'none'; style-src 'nonce-{{ csp }}';">
-  <meta http-equiv="refresh" content="6">
+  <meta http-equiv="refresh" content="{{ refresh }}">
   <style nonce="{{ csp }}">
     body {
       overflow-y: auto;
diff --git a/anonstream/user.py b/anonstream/user.py
index 0edfa56..914f48f 100644
--- a/anonstream/user.py
+++ b/anonstream/user.py
@@ -93,8 +93,10 @@ def change_name(user, name, dry_run=False):
         if name is not None:
             if len(name) == 0:
                 raise BadAppearance('Name was empty')
-            if len(name) > 24:
-                raise BadAppearance('Name exceeded 24 chars')
+            if len(name) > CONFIG['CHAT_NAME_MAX_LENGTH']:
+                raise BadAppearance(
+                    f'Name exceeded {CONFIG["CHAT_NAME_MAX_LENGTH"]} chars'
+                )
     else:
         user['name'] = name
 
@@ -119,8 +121,11 @@ def change_color(user, color, dry_run=False):
 
 def change_tripcode(user, password, dry_run=False):
     if dry_run:
-        if len(password) > 1024:
-            raise BadAppearance('Password exceeded 1024 chars')
+        if len(password) > CONFIG['CHAT_TRIPCODE_PASSWORD_MAX_LENGTH']:
+            raise BadAppearance(
+                f'Password exceeded '
+                f'{CONFIG["CHAT_TRIPCODE_PASSWORD_MAX_LENGTH"]} chars'
+            )
     else:
         user['tripcode'] = generate_tripcode(password)
 
diff --git a/config.toml b/config.toml
index e8c2efb..ff4b3ea 100644
--- a/config.toml
+++ b/config.toml
@@ -53,9 +53,11 @@ anonymous = "Anonymous"
 
 [chat]
 max_comment_length = 512
+max_comment_lines = 12
 max_name_length = 24
 min_name_contrast = 3.0
 background_color = "#232327"
+max_tripcode_password_length = 1024
 legacy_tripcode_algorithm = false
 
 [flood.messages]
@@ -72,8 +74,13 @@ cooldown = 12.0
 expire_after = 5.0
 overwrite = true
 
-[thresholds]
-user_notwatching = 8.0
-user_tentative = 20.0
-user_absent = 360.0
-nojs_chat_timeout = 30.0
+[presence]
+notwatching = 8.0
+tentative = 20.0
+absent = 360.0
+
+[nojs]
+refresh_messages = 4.0
+refresh_info = 6.0
+refresh_users = 6.0
+timeout_chat = 30.0