diff --git a/templates/zephyr/index.html b/templates/zephyr/index.html
index 57920f8a47..9f85b214db 100644
--- a/templates/zephyr/index.html
+++ b/templates/zephyr/index.html
@@ -52,33 +52,36 @@
 {% endif %}
 
 <script type="text/javascript">
+
 {% autoescape off %}
+var page_params = {
 
-{# Not escaped, because it's guaranteed by the model to be an integer. #}
-var initial_pointer = {{ user_profile.pointer }};
+    {# Not escaped, because it's guaranteed by the model to be an integer. #}
+    initial_pointer: {{ user_profile.pointer }},
 
-var poll_timeout = {{ poll_timeout }};
+    poll_timeout: {{ poll_timeout }},
 
-var fullname = "{{ user_profile.full_name|escapejs }}";
-var email = "{{ user_profile.user.email|escapejs }}";
-var domain = "{{ user_profile.realm.domain|escapejs }}";
-var have_initial_messages = {{ have_initial_messages|escapejs }};
-var desktop_notifications_enabled = {{ desktop_notifications_enabled|escapejs }};
-var enter_sends = {{ enter_sends|escapejs }};
-var debug_mode = {% if debug %} true {% else %} false {% endif %};
-var needs_tutorial = {{ needs_tutorial|escapejs }};
+    fullname: "{{ user_profile.full_name|escapejs }}",
+    email: "{{ user_profile.user.email|escapejs }}",
+    domain: "{{ user_profile.realm.domain|escapejs }}",
+    have_initial_messages: {{ have_initial_messages|escapejs }},
+    desktop_notifications_enabled: {{ desktop_notifications_enabled|escapejs }},
+    enter_sends: {{ enter_sends|escapejs }},
+    debug_mode: {% if debug %} true {% else %} false {% endif %},
+    needs_tutorial: {{ needs_tutorial|escapejs }},
 
-{# We use JSONEncoderForHTML to generate "streams". #}
-var stream_list = {{ streams }};
-
-var people_list = [
-{% for person in people %}
-    { 'email': "{{ person.email|escapejs }}",
-      'full_name': "{{ person.full_name|escapejs }}" },
-{% endfor %}
-];
+    {# We use JSONEncoderForHTML to generate "streams". #}
+    stream_list: {{ streams }},
 
+    people_list: [
+    {% for person in people %}
+        { 'email': "{{ person.email|escapejs }}",
+          'full_name': "{{ person.full_name|escapejs }}" },
+    {% endfor %}
+    ]
+};
 {% endautoescape %}
+
 </script>
 {% endblock %}
 {% block content %}
diff --git a/tools/jslint/check-all.js b/tools/jslint/check-all.js
index df6ddfc1c4..3d8f374cef 100644
--- a/tools/jslint/check-all.js
+++ b/tools/jslint/check-all.js
@@ -6,9 +6,7 @@ var globals =
       ' $ jQuery Spinner Handlebars XDate'
 
     // index.html
-    + ' initial_pointer email stream_list people_list have_initial_messages'
-    + ' fullname desktop_notifications_enabled enter_sends domain poll_timeout'
-    + ' debug_mode needs_tutorial'
+    + ' page_params'
 
     // common.js
     + ' status_classes'
diff --git a/zephyr/static/js/activity.js b/zephyr/static/js/activity.js
index 99708c6bbf..cd969d8d96 100644
--- a/zephyr/static/js/activity.js
+++ b/zephyr/static/js/activity.js
@@ -90,7 +90,7 @@ function focus_ping() {
                 age = now - presence.website.timestamp;
             }
 
-            if (email !== this_email) {
+            if (page_params.email !== this_email) {
                 var status = 'idle';
                 if (presence.website !== undefined
                     && presence.website.status === ACTIVE && age >= 0) {
diff --git a/zephyr/static/js/blueslip.js b/zephyr/static/js/blueslip.js
index 7a15b0f457..4b5244aea2 100644
--- a/zephyr/static/js/blueslip.js
+++ b/zephyr/static/js/blueslip.js
@@ -86,7 +86,7 @@ BlueslipError.prototype = Error.prototype;
             return func.blueslip_wrapper;
         }
         var new_func = function blueslip_wrapper() {
-            if (debug_mode) {
+            if (page_params.debug_mode) {
                 return func.apply(this, arguments);
             } else {
                 try {
@@ -230,13 +230,13 @@ exports.info = function blueslip_info (msg) {
 
 exports.warn = function blueslip_warn (msg) {
     console.warn(msg);
-    if (debug_mode) {
+    if (page_params.debug_mode) {
         console.trace();
     }
 };
 
 exports.error = function blueslip_error (msg) {
-    if (debug_mode) {
+    if (page_params.debug_mode) {
         throw new BlueslipError(msg);
     } else {
         console.error(msg);
@@ -245,7 +245,7 @@ exports.error = function blueslip_error (msg) {
 };
 
 exports.fatal = function blueslip_fatal (msg) {
-    if (! debug_mode) {
+    if (! page_params.debug_mode) {
         report_error(msg, Error().stack, {show_ui_msg: true});
     }
 
diff --git a/zephyr/static/js/composebox_typeahead.js b/zephyr/static/js/composebox_typeahead.js
index 4961983c42..2df886bf3a 100644
--- a/zephyr/static/js/composebox_typeahead.js
+++ b/zephyr/static/js/composebox_typeahead.js
@@ -95,8 +95,8 @@ function handle_keydown(e) {
             // want to change focus right away in the private_message_recipient box since it
             // takes the typeaheads a little time to open after the user finishes typing, which
             // can lead to the focus moving without the autocomplete having a chance to happen.
-            if ((domain === "humbughq.com" && nextFocus === "compose-send-button") ||
-                (domain !== "humbughq.com" && nextFocus)) {
+            if ((page_params.domain === "humbughq.com" && nextFocus === "compose-send-button") ||
+                (page_params.domain !== "humbughq.com" && nextFocus)) {
                 ui.focus_on(nextFocus);
                 nextFocus = false;
             }
@@ -106,7 +106,7 @@ function handle_keydown(e) {
             // (Unless shift is being held down, which we *do* want to insert a linebreak)
             if (e.target.id === "new_message_content"
                 && code === 13 && !e.shiftKey
-                && enter_sends) {
+                && page_params.enter_sends) {
                 e.preventDefault();
                 if ($("#compose-send-button").attr('disabled') !== "disabled") {
                     $("#compose-send-button").attr('disabled', 'disabled');
@@ -158,8 +158,8 @@ exports.initialize = function () {
 
     $("#enter_sends").click(function () {
         var send_button = $("#compose-send-button");
-        enter_sends = $("#enter_sends").is(":checked");
-        if (enter_sends) {
+        page_params.enter_sends = $("#enter_sends").is(":checked");
+        if (page_params.enter_sends) {
             send_button.fadeOut();
         } else {
             send_button.fadeIn();
@@ -168,11 +168,11 @@ exports.initialize = function () {
             dataType: 'json',
             url: '/json/change_enter_sends',
             type: 'POST',
-            data: {'enter_sends': enter_sends}
+            data: {'enter_sends': page_params.enter_sends}
         });
     });
-    $("#enter_sends").prop('checked', enter_sends);
-    if (enter_sends) $("#compose-send-button").hide();
+    $("#enter_sends").prop('checked', page_params.enter_sends);
+    if (page_params.enter_sends) $("#compose-send-button").hide();
 
     // limit number of items so the list doesn't fall off the screen
     $( "#stream" ).typeahead({
diff --git a/zephyr/static/js/hashchange.js b/zephyr/static/js/hashchange.js
index 1ff5f6744d..a1a536d429 100644
--- a/zephyr/static/js/hashchange.js
+++ b/zephyr/static/js/hashchange.js
@@ -57,7 +57,7 @@ function parse_narrow(hash) {
     if (current_msg_list.selected_id() !== -1) {
         new_selection = current_msg_list.selected_id();
     } else {
-        new_selection = initial_pointer;
+        new_selection = page_params.initial_pointer;
     }
     narrow.activate(operators, {
         then_select_id: new_selection,
diff --git a/zephyr/static/js/message_list.js b/zephyr/static/js/message_list.js
index 0b3926a1e5..4de25d52db 100644
--- a/zephyr/static/js/message_list.js
+++ b/zephyr/static/js/message_list.js
@@ -278,7 +278,7 @@ MessageList.prototype = {
 
             message.dom_id = table_name + message.id;
 
-            if (message.sender_email === email) {
+            if (message.sender_email === page_params.email) {
                 message.stamp = ui.get_gravatar_stamp();
             }
 
diff --git a/zephyr/static/js/notifications.js b/zephyr/static/js/notifications.js
index d1a664ce78..fd2311f5d7 100644
--- a/zephyr/static/js/notifications.js
+++ b/zephyr/static/js/notifications.js
@@ -16,11 +16,11 @@ function browser_desktop_notifications_on () {
 }
 
 exports.initialize = function () {
-    names = fullname.toLowerCase().split(" ");
-    names.push(email.split("@")[0].toLowerCase());
+    names = page_params.fullname.toLowerCase().split(" ");
+    names.push(page_params.email.split("@")[0].toLowerCase());
     names.push("all");
     names.push("everyone");
-    names.push("<strong>" + fullname.toLowerCase() + "</strong>");
+    names.push("<strong>" + page_params.fullname.toLowerCase() + "</strong>");
 
     $(window).focus(function () {
         window_has_focus = true;
@@ -43,7 +43,7 @@ exports.initialize = function () {
     }
 
     $(document).click(function () {
-        if (!desktop_notifications_enabled || asked_permission_already) {
+        if (!page_params.desktop_notifications_enabled || asked_permission_already) {
             return;
         }
         if (window.webkitNotifications.checkPermission() !== 0) { // 0 is PERMISSION_ALLOWED
@@ -59,7 +59,7 @@ exports.update_title_count = function () {
 
     var new_message_count = unread_in_current_view();
     document.title = (new_message_count ? ("(" + new_message_count + ") ") : "")
-        + domain + " - Humbug";
+        + page_params.domain + " - Humbug";
 
     // IE doesn't support PNG favicons, *shrug*
     if (! $.browser.msie) {
@@ -163,7 +163,7 @@ exports.speaking_at_me = function (message) {
     var found_match = false, indexof, after_name, after_atname;
     var punctuation = /[\.,-\/#!$%\^&\*;:{}=\-_`~()\+\?\[\]\s<>]/;
 
-    if (domain === "mit.edu") {
+    if (page_params.domain === "mit.edu") {
         return false;
     }
 
@@ -199,10 +199,10 @@ exports.received_messages = function (messages) {
     }
 
     $.each(messages, function (index, message) {
-        if (message.sender_email !== email && narrow.message_in_home(message)) {
+        if (message.sender_email !== page_params.email && narrow.message_in_home(message)) {
             title_needs_update = true;
 
-            if (desktop_notifications_enabled &&
+            if (page_params.desktop_notifications_enabled &&
                 browser_desktop_notifications_on() &&
                 (message.type === "private" ||
                 exports.speaking_at_me(message))) {
diff --git a/zephyr/static/js/search.js b/zephyr/static/js/search.js
index 15eecd8f38..4426fa3b96 100644
--- a/zephyr/static/js/search.js
+++ b/zephyr/static/js/search.js
@@ -57,10 +57,10 @@ exports.update_typeahead = function () {
     var streams = $.map(subs.subscribed_streams(), function(elt,idx) {
         return {action: 'stream', query: elt};
     });
-    var people = $.map(people_list, function(elt,idx) {
+    var people = $.map(page_params.people_list, function(elt,idx) {
         return {action: 'private_message', query: elt};
     });
-    var senders = $.map(people_list, function(elt,idx) {
+    var senders = $.map(page_params.people_list, function(elt,idx) {
         return {action: 'sender', query: elt};
     });
     var options = streams.concat(people).concat(senders);
diff --git a/zephyr/static/js/setup.js b/zephyr/static/js/setup.js
index 1762ed6b30..1299f2a09e 100644
--- a/zephyr/static/js/setup.js
+++ b/zephyr/static/js/setup.js
@@ -5,7 +5,7 @@ var csrf_token;
 $(function () {
     // Display loading indicator.  This disappears after the first
     // get_updates completes.
-    if (have_initial_messages) {
+    if (page_params.have_initial_messages) {
         util.make_loading_indicator($('#page_loading_indicator'), 'Loading...');
     } else {
         util.show_first_run_message();
diff --git a/zephyr/static/js/subs.js b/zephyr/static/js/subs.js
index 6b58c86d99..27275cc2b0 100644
--- a/zephyr/static/js/subs.js
+++ b/zephyr/static/js/subs.js
@@ -80,11 +80,11 @@ exports.maybe_toggle_all_messages = function () {
 };
 
 function should_render_subscribers() {
-    return domain !== 'mit.edu';
+    return page_params.domain !== 'mit.edu';
 }
 
 function should_list_all_streams() {
-    return domain !== 'mit.edu';
+    return page_params.domain !== 'mit.edu';
 }
 
 function update_table_stream_color(table, stream_name, color) {
@@ -299,7 +299,7 @@ function mark_subscribed(stream_name, attrs) {
         var settings = settings_for_sub(sub);
         if (sub.render_subscribers && settings.hasClass('in')) {
             var members = settings.find(".subscriber_list_container ul");
-            add_to_member_list(members, fullname, email);
+            add_to_member_list(members, page_params.fullname, page_params.email);
         }
 
         // Display the swatch and subscription settings
@@ -525,12 +525,12 @@ function ajaxSubscribe(stream) {
             var res = $.parseJSON(xhr.responseText);
             if (!$.isEmptyObject(res.already_subscribed)) {
                 // Display the canonical stream capitalization.
-                true_stream_name = res.already_subscribed[email][0];
+                true_stream_name = res.already_subscribed[page_params.email][0];
                 ui.report_success("Already subscribed to " + true_stream_name,
                                   $("#subscriptions-status"));
             } else {
                 // Display the canonical stream capitalization.
-                true_stream_name = res.subscribed[email][0];
+                true_stream_name = res.subscribed[page_params.email][0];
             }
             mark_subscribed(true_stream_name);
         },
@@ -592,7 +592,7 @@ function ajaxSubscribeForCreation(stream, principals, invite_only) {
 exports.tutorial_subscribe_or_add_me_to = function (stream_name) {
     var stream_status = compose.check_stream_existence(stream_name);
     if (stream_status === 'does-not-exist') {
-        ajaxSubscribeForCreation(stream_name, [email], false);
+        ajaxSubscribeForCreation(stream_name, [page_params.email], false);
     } else {
         ajaxSubscribe(stream_name);
     }
@@ -615,9 +615,9 @@ function people_cmp(person1, person2) {
 
 function show_new_stream_modal() {
     var people_minus_you_and_maybe_humbuggers = [];
-    $.each(people_list, function (idx, person) {
-        if (person.email !== email &&
-               (domain === "humbughq.com" ||
+    $.each(page_params.people_list, function (idx, person) {
+        if (person.email !== page_params.email &&
+               (page_params.domain === "humbughq.com" ||
                    person.email.split('@')[1] !== "humbughq.com"
                )
            ) {
@@ -635,8 +635,8 @@ function show_new_stream_modal() {
 $(function () {
     var i;
     // Populate stream_info with data handed over to client-side template.
-    for (i = 0; i < stream_list.length; i++) {
-        create_sub(stream_list[i].name, stream_list[i]);
+    for (i = 0; i < page_params.stream_list.length; i++) {
+        create_sub(page_params.stream_list[i].name, page_params.stream_list[i]);
     }
 
     $("#add_new_subscription").on("submit", function (e) {
@@ -665,7 +665,7 @@ $(function () {
             principals.push($(this).val());
         });
         // You are always subscribed to streams you create.
-        principals.push(email);
+        principals.push(page_params.email);
         ajaxSubscribeForCreation(stream,
             principals,
             $('#stream_creation_form input[name=privacy]:checked').val() === "invite-only"
@@ -723,7 +723,7 @@ $(function () {
                 if (data.subscribed.hasOwnProperty(principal)) {
                     error_elem.addClass("hide");
                     warning_elem.addClass("hide");
-                    if (principal === email) {
+                    if (principal === page_params.email) {
                         // mark_subscribed adds the user to the member list
                         mark_subscribed(stream);
                     } else {
diff --git a/zephyr/static/js/tutorial.js b/zephyr/static/js/tutorial.js
index 4e62ec221f..be21d4a6b8 100644
--- a/zephyr/static/js/tutorial.js
+++ b/zephyr/static/js/tutorial.js
@@ -120,12 +120,12 @@ function wait_for_message(time_to_wait_sec, condition) {
 var script = [];
 
 function make_script() {
-    my_tutorial_stream = 'tutorial-' + email.split('@')[0];
+    my_tutorial_stream = 'tutorial-' + page_params.email.split('@')[0];
     my_tutorial_stream = my_tutorial_stream.substring(0, 30);
 
     // Try to guess at one of your main streams.
     // This is problematic because it might end up being 'commits' or something.
-    var main_stream_name = domain.split('.')[0];
+    var main_stream_name = page_params.domain.split('.')[0];
     var my_streams = subs.subscribed_streams();
 
     if (my_streams.length <= 2) {
@@ -145,7 +145,7 @@ function make_script() {
 
     script = [
   go(sleep, 1000), // The first message seems to sometimes get eaten in Chrome otherwise.
-  go2(stream_message, "tutorial", "Hello, " + fullname + "!"),
+  go2(stream_message, "tutorial", "Hello, " + page_params.fullname + "!"),
   go(sleep, 2000),
   go2(stream_message, "tutorial", "Welcome to Humbug!"),
   go(sleep, 2000),
@@ -291,7 +291,7 @@ exports.is_running = function () {
 exports.initialize = function () {
     make_script();
     // Global variable populated by the server code
-    if (needs_tutorial) {
+    if (page_params.needs_tutorial) {
         exports.start();
     }
 };
diff --git a/zephyr/static/js/typeahead_helper.js b/zephyr/static/js/typeahead_helper.js
index 819dbddc11..a9e9c043ee 100644
--- a/zephyr/static/js/typeahead_helper.js
+++ b/zephyr/static/js/typeahead_helper.js
@@ -74,7 +74,7 @@ exports.update_all_recipients = function (recipients) {
 
 exports.update_your_recipients = function (recipients) {
     $.each(recipients, function (idx, recipient_data) {
-        if (recipient_data.email !== email) {
+        if (recipient_data.email !== page_params.email) {
             add_to_known_recipients(recipient_data, true);
         }
     });
diff --git a/zephyr/static/js/ui.js b/zephyr/static/js/ui.js
index 8575f187ff..8e8f6bb6cc 100644
--- a/zephyr/static/js/ui.js
+++ b/zephyr/static/js/ui.js
@@ -262,7 +262,7 @@ $(function () {
     $("img.gravatar-profile").bind('load', resizehandler);
 
     // We don't have a stream list at MIT.
-    if (domain === "mit.edu") {
+    if (page_params.domain === "mit.edu") {
         $("#stream_filters").remove();
         $("#stream_filters_sep").remove();
     }
@@ -727,7 +727,7 @@ $(function () {
             update_gravatars();
 
             if (result.enable_desktop_notifications !== undefined) {
-                desktop_notifications_enabled = result.enable_desktop_notifications;
+                page_params.desktop_notifications_enabled = result.enable_desktop_notifications;
             }
 
             settings_status.removeClass(status_classes)
@@ -789,7 +789,7 @@ $(function () {
     resizehandler();
     hack_for_floating_recipient_bar();
 
-    typeahead_helper.update_all_recipients(people_list);
+    typeahead_helper.update_all_recipients(page_params.people_list);
     composebox_typeahead.initialize();
     search.initialize();
     notifications.initialize();
@@ -984,7 +984,7 @@ exports.add_narrow_filter = function(name, type, uri) {
      * This will not be as much of an issue once we do prioritization of streams
      * in the list.
      */
-    if (domain === "mit.edu" && type === "stream") {
+    if (page_params.domain === "mit.edu" && type === "stream") {
         return false;
     }
 
@@ -1057,8 +1057,8 @@ exports.set_presence_list = function (users, presence_info) {
         $('#user_presences').append(entry);
     }
 
-    if (domain !== "mit.edu") {
-        add_entry(fullname, email, 'active');
+    if (page_params.domain !== "mit.edu") {
+        add_entry(page_params.fullname, page_params.email, 'active');
     }
 
     $.each(users, function (idx, email) {
diff --git a/zephyr/static/js/zephyr.js b/zephyr/static/js/zephyr.js
index 9e9ea725fe..865b2b355a 100644
--- a/zephyr/static/js/zephyr.js
+++ b/zephyr/static/js/zephyr.js
@@ -34,12 +34,12 @@ var server_furthest_read = -1;
 var pointer_update_in_flight = false;
 
 function add_person(person) {
-    people_list.push(person);
+    page_params.people_list.push(person);
     people_dict[person.email] = person;
 }
 
 $(function () {
-    $.each(people_list, function (idx, person) {
+    $.each(page_params.people_list, function (idx, person) {
         people_dict[person.email] = person;
     });
     // The special account feedback@humbughq.com is used for in-app
@@ -113,7 +113,7 @@ function get_private_message_recipient(message, attr) {
     var recipient, i;
     var other_recipients = $.grep(message.display_recipient,
                                   function (element, index) {
-                                      return element.email !== email;
+                                      return element.email !== page_params.email;
                                   });
     if (other_recipients.length === 0) {
         // private message with oneself
@@ -214,7 +214,7 @@ function message_unread(message) {
     var sent_by_human = ['website', 'iphone', 'android']
                             .indexOf(message.client.toLowerCase()) !== -1;
 
-    if (message.sender_email === email && sent_by_human) {
+    if (message.sender_email === page_params.email && sent_by_human) {
         return false;
     }
 
@@ -389,8 +389,8 @@ function send_pointer_update() {
 }
 
 $(function () {
-    furthest_read = initial_pointer;
-    server_furthest_read = initial_pointer;
+    furthest_read = page_params.initial_pointer;
+    server_furthest_read = page_params.initial_pointer;
 
     // We only send pointer updates when the user has been idle for a
     // short while to avoid hammering the server
@@ -449,7 +449,7 @@ function add_message_metadata(message, dummy) {
 
         involved_people = message.display_recipient;
 
-        if (message.sender_email === email) {
+        if (message.sender_email === page_params.email) {
             typeahead_helper.update_your_recipients(involved_people);
         } else {
             typeahead_helper.update_all_recipients(involved_people);
@@ -596,7 +596,7 @@ function get_updates(options) {
         url:      '/json/get_updates',
         data:     get_updates_params,
         dataType: 'json',
-        timeout:  poll_timeout,
+        timeout:  page_params.poll_timeout,
         success: function (data) {
             if (! data) {
                 // The server occasionally returns no data during a
@@ -769,7 +769,8 @@ $(function () {
         // We fall back to the closest selected id, as the user may have removed
         // a stream from the home before already
         if (home_msg_list.selected_id() === -1) {
-            home_msg_list.select_id(initial_pointer, {then_scroll: true, use_closest: true});
+            home_msg_list.select_id(page_params.initial_pointer,
+                {then_scroll: true, use_closest: true});
         }
 
         // catch the user up
@@ -801,9 +802,9 @@ $(function () {
                           }});
     }
 
-    if (have_initial_messages) {
+    if (page_params.have_initial_messages) {
         load_old_messages({
-            anchor: initial_pointer,
+            anchor: page_params.initial_pointer,
             num_before: 200,
             num_after: 200,
             msg_list: home_msg_list,
@@ -839,7 +840,7 @@ function load_more_messages(msg_list) {
     ui.show_loading_more_messages_indicator();
     load_more_enabled = false;
     if (msg_list.first() === undefined) {
-        oldest_message_id = initial_pointer;
+        oldest_message_id = page_params.initial_pointer;
     } else {
         oldest_message_id = msg_list.first().id;
     }
@@ -941,7 +942,7 @@ function fast_forward_pointer(btn) {
     $.ajax({
         type: 'POST',
         url: '/json/get_profile',
-        data: {email: email},
+        data: {email: page_params.email},
         dataType: 'json',
         success: function (data) {
             mark_all_as_read(function () {