diff --git a/assets/javascripts/filter_form.js b/assets/javascripts/filter_form.js
index 497831db8460..34b4d7305192 100644
--- a/assets/javascripts/filter_form.js
+++ b/assets/javascripts/filter_form.js
@@ -1,4 +1,4 @@
-function setupFilterForm() {
+function setupFilterForm(options) {
     // make filter form expandable
     $('#filter-panel .card-header').on('click', function() {
         $('#filter-panel .card-body').toggle(200);
@@ -13,6 +13,10 @@ function setupFilterForm() {
         event.stopPropagation();
     });
 
+    if (options && options.preventLoadingIndication) {
+        return;
+    }
+
     $('#filter-form').on('submit', function(event) {
         if($('#filter-form').serialize() !== window.location.search.substring(1)) {
             // show progress indication
diff --git a/assets/javascripts/index.js b/assets/javascripts/index.js
index 754c4325b65e..d6c2c611601d 100644
--- a/assets/javascripts/index.js
+++ b/assets/javascripts/index.js
@@ -1,7 +1,7 @@
 function setupIndexPage() {
     $('.timeago').timeago();
 
-    setupFilterForm();
+    setupFilterForm({preventLoadingIndication: true});
     $('#filter-show-tags').prop('checked', false);
     $('#filter-only-tagged').prop('checked', false);
     $('#filter-fullscreen').prop('checked', false);
@@ -40,4 +40,49 @@ function setupIndexPage() {
             return 'expanded';
         }
     });
+
+    setupBuildResults();
+}
+
+function setupBuildResults(queryParams) {
+    var buildResultsElement = $('#build-results');
+    var loadingElement = $('#build-results-loading');
+    var filterForm = $('#filter-form');
+    var filterFormApplyButton = $('#filter-apply-button');
+
+    loadingElement.show();
+    buildResultsElement.html('');
+    filterFormApplyButton.prop('disabled', true);
+    window.updatingBuildResults = true;
+
+    var showBuildResults = function(buildResults) {
+        loadingElement.hide();
+        buildResultsElement.html(buildResults);
+        filterFormApplyButton.prop('disabled', false);
+        window.updatingBuildResults = false;
+    };
+
+    // query build results via AJAX using parameters from filter form
+    $.ajax({
+        url: buildResultsElement.data('build-results-url'),
+        data: queryParams ? queryParams : window.location.search.substr(1),
+        success: function(response) {
+            showBuildResults(response);
+            window.buildResultStatus = 'success';
+        },
+        error: function(xhr, ajaxOptions, thrownError) {
+            showBuildResults('<div class="alert alert-danger" role="alert">Unable to fetch build results.</div>');
+            window.buildResultStatus = 'error: ' + thrownError;
+        }
+    });
+
+    // prevent page reload when submitting filter form (when we load build results via AJAX anyways)
+    filterForm.submit(function(event) {
+        if (!window.updatingBuildResults) {
+            var queryParams = filterForm.serialize();
+            setupBuildResults(queryParams);
+            history.replaceState({} , document.title, window.location.pathname + '?' + queryParams);
+        }
+        event.preventDefault();
+    });
 }
diff --git a/lib/OpenQA/WebAPI.pm b/lib/OpenQA/WebAPI.pm
index 1bcb1aba25d7..ca54d24078f3 100644
--- a/lib/OpenQA/WebAPI.pm
+++ b/lib/OpenQA/WebAPI.pm
@@ -172,8 +172,9 @@ sub startup {
 
     # Favicon
     $r->get('/favicon.ico' => sub { my $c = shift; $c->render_static('favicon.ico') });
-    $r->get('/index'       => [format => ['html', 'json']])->to('main#index');
-    $r->get('/api_help'    => sub { shift->render('admin/api_help') })->name('api_help');
+    $r->get('/index')->to('main#index');
+    $r->get('/dashboard_build_results')->name('dashboard_build_results')->to('main#dashboard_build_results');
+    $r->get('/api_help' => sub { shift->render('admin/api_help') })->name('api_help');
 
     # Default route
     $r->get('/')->name('index')->to('main#index');
diff --git a/lib/OpenQA/WebAPI/Controller/Main.pm b/lib/OpenQA/WebAPI/Controller/Main.pm
index 2040e1af0250..e0d20759a47c 100644
--- a/lib/OpenQA/WebAPI/Controller/Main.pm
+++ b/lib/OpenQA/WebAPI/Controller/Main.pm
@@ -41,21 +41,22 @@ sub _map_tags_into_build {
     return;
 }
 
-sub index {
+sub dashboard_build_results {
     my ($self) = @_;
 
+    log_error("In dashboard_build_results");
+
     my $limit_builds = $self->param('limit_builds');
     $limit_builds = 3 unless looks_like_number($limit_builds);
     my $time_limit_days = $self->param('time_limit_days');
     $time_limit_days = 14 unless looks_like_number($time_limit_days);
-    $self->app->log->debug("Retrieving results for up to $limit_builds builds up to $time_limit_days days old");
     my $only_tagged      = $self->param('only_tagged')      // 0;
     my $default_expanded = $self->param('default_expanded') // 0;
     my $show_tags        = $self->param('show_tags')        // $only_tagged;
     my $group_params     = $self->every_param('group');
-    my @results;
-    my $groups = $self->stash('job_groups_and_parents');
+    my $groups           = $self->stash('job_groups_and_parents');
 
+    my @results;
     for my $group (@$groups) {
         if (@$group_params) {
             next unless grep { $_ eq '' || $group->matches_nested($_) } @$group_params;
@@ -72,13 +73,22 @@ sub index {
         }
         push(@results, $build_results) if @{$build_results_for_group};
     }
-    $self->stash('limit_builds',     $limit_builds);
-    $self->stash('time_limit_days',  $time_limit_days);
-    $self->stash('default_expanded', $default_expanded);
-    $self->stash('results',          \@results);
+
+    $self->stash(
+        default_expanded => $default_expanded,
+        results          => \@results,
+    );
+
     $self->respond_to(
         json => {json     => {results => \@results}},
-        html => {template => 'main/index'});
+        html => {template => 'main/dashboard_build_results'},
+    );
+}
+
+sub index {
+    my ($self) = @_;
+
+    $self->render(html => {template => 'main/index'});
 }
 
 sub group_overview {
diff --git a/t/17-build_tagging.t b/t/17-build_tagging.t
index 7f835af72fe5..1ffe085d91e3 100644
--- a/t/17-build_tagging.t
+++ b/t/17-build_tagging.t
@@ -155,17 +155,17 @@ subtest 'only_tagged=1 query parameter shows only tagged (poo#11052)' => sub {
     $t->get_ok('/group_overview/1001?only_tagged=0')->status_is(200);
     is(scalar @{$t->tx->res->dom->find('a[href^=/tests/]')}, 5, 'all builds shown again (on group overview)');
 
-    $t->get_ok('/?only_tagged=1')->status_is(200);
+    $t->get_ok('/dashboard_build_results?only_tagged=1')->status_is(200);
     is(scalar @{$t->tx->res->dom->find('a[href^=/tests/]')}, 1, 'only one tagged build is shown (on index page)');
     is(scalar @{$t->tx->res->dom->find('h2')},               1, 'only one group shown anymore');
-    $t->get_ok('/?only_tagged=0')->status_is(200);
+    $t->get_ok('/dashboard_build_results?only_tagged=0')->status_is(200);
     is(scalar @{$t->tx->res->dom->find('a[href^=/tests/]')}, 4, 'all builds shown again (on index page)');
     is(scalar @{$t->tx->res->dom->find('h2')},               2, 'two groups shown again');
 };
 
 subtest 'show_tags query parameter enables/disables tags on index page' => sub {
     for my $enabled (0, 1) {
-        $t->get_ok('/?show_tags=' . $enabled)->status_is(200);
+        $t->get_ok('/dashboard_build_results?show_tags=' . $enabled)->status_is(200);
         is(scalar @{$t->tx->res->dom->find('a[href^=/tests/]')},
             4, "all builds shown on index page (show_tags=$enabled)");
         is(scalar @{$t->tx->res->dom->find("i[title='important']")},
diff --git a/t/22-dashboard.t b/t/22-dashboard.t
index 659bc1b3d58f..cadebc203dd5 100644
--- a/t/22-dashboard.t
+++ b/t/22-dashboard.t
@@ -1,4 +1,4 @@
-# Copyright (C) 2016 SUSE LLC
+# Copyright (C) 2016-2019 SUSE LLC
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -14,7 +14,7 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-# see also t/ui/14-dashboard.t and t/ui/14-dashboard-parents.t for PhantomJS test
+# see also t/ui/14-dashboard.t and t/ui/14-dashboard-parents.t for Selenium test
 
 use Mojo::Base -strict;
 
@@ -37,14 +37,14 @@ my $parent_groups = $t->app->schema->resultset('JobGroupParents');
 my $jobs          = $t->app->schema->resultset('Jobs');
 
 # regular job groups shown
-$t->get_ok('/')->status_is(200);
+$t->get_ok('/dashboard_build_results')->status_is(200);
 my @h2 = $t->tx->res->dom->find('h2 a')->map('text')->each;
 is_deeply(\@h2, ['opensuse', 'opensuse test'], 'two groups shown (from fixtures)');
 
 # create (initially) empty parent group
 my $test_parent = $parent_groups->create({name => 'Test parent', sort_order => 2});
 
-$t->get_ok('/')->status_is(200);
+$t->get_ok('/dashboard_build_results')->status_is(200);
 @h2 = $t->tx->res->dom->find('h2 a')->map('text')->each;
 is_deeply(\@h2, ['opensuse', 'opensuse test'], 'empty parent group not shown');
 
@@ -60,7 +60,7 @@ like(
     'parent name also shown on group overview'
 );
 
-$t->get_ok('/')->status_is(200);
+$t->get_ok('/dashboard_build_results')->status_is(200);
 @h2 = $t->tx->res->dom->find('h2 a')->map('text')->each;
 is_deeply(\@h2, ['opensuse test', 'Test parent'], 'parent group shown and opensuse is no more on top-level');
 
@@ -70,7 +70,7 @@ is_deeply(\@h4, [qw(Build87.5011 Build0048@0815 Build0048)], 'builds on parent-l
 is_deeply(\@h4, ['opensuse', 'opensuse', 'opensuse'], 'opensuse now shown as child group (for each build)');
 
 # check build limit
-$t->get_ok('/?limit_builds=2')->status_is(200);
+$t->get_ok('/dashboard_build_results?limit_builds=2')->status_is(200);
 @h4 = $t->tx->res->dom->find('div.children-collapsed .h4 a')->map('text')->each;
 is_deeply(\@h4, [qw(Build87.5011 Build0048@0815)], 'builds on parent-level shown (limit builds)');
 @h4 = $t->tx->res->dom->find('div.collapse .h4 a')->map('text')->each;
@@ -83,7 +83,7 @@ $opensuse_test_group->update({parent_id => $test_parent->id});
 # and add review for build 0048@0815
 $opensuse_group->jobs->find({BUILD => '0048@0815'})->comments->create({text => 'poo#1234', user_id => 99901});
 
-$t->get_ok('/?limit_builds=20&show_tags=1')->status_is(200);
+$t->get_ok('/dashboard_build_results?limit_builds=20&show_tags=1')->status_is(200);
 @h2 = $t->tx->res->dom->find('h2 a')->map('text')->each;
 is_deeply(\@h2, ['Test parent'], 'only parent shown, no more top-level job groups');
 
@@ -160,7 +160,7 @@ check_test_parent('expanded');
 my $tag_for_0092_comment = $opensuse_group->comments->create({text => 'tag:0092:important:some_tag', user_id => 99901});
 
 sub check_tags {
-    $t->get_ok('/?limit_builds=20&show_tags=1')->status_is(200);
+    $t->get_ok('/dashboard_build_results?limit_builds=20&show_tags=1')->status_is(200);
     my @tags = $t->tx->res->dom->find('div.children-collapsed span i.tag')->map('text')->each;
     is_deeply(\@tags, ['some_tag'], 'tag is shown on parent-level');
 
@@ -168,7 +168,7 @@ sub check_tags {
     @tags = $t->tx->res->dom->find('div.children-expanded span i.tag')->map('text')->each;
     is_deeply(\@tags, ['some_tag'], 'tag is shown on parent-level');
 
-    $t->get_ok('/?limit_builds=20&only_tagged=1')->status_is(200);
+    $t->get_ok('/dashboard_build_results?limit_builds=20&only_tagged=1')->status_is(200);
     @tags = $t->tx->res->dom->find('div.children-collapsed span i.tag')->map('text')->each;
     is_deeply(\@tags, ['some_tag'], 'tag is shown on parent-level (only tagged)');
     @h4 = $t->tx->res->dom->find("div.children-collapsed .h4 a")->map('text')->each;
@@ -182,7 +182,7 @@ check_tags();
 
 # use version-build format where version doesn't matches
 $tag_for_0092_comment->update({text => 'tag:5-0092:important:some_tag', user_id => 99901});
-$t->get_ok('/?limit_builds=20&only_tagged=1')->status_is(200);
+$t->get_ok('/dashboard_build_results?limit_builds=20&only_tagged=1')->status_is(200);
 my @tags = $t->tx->res->dom->find('div.children-collapsed .h4 span i.tag')->map('text')->each;
 is_deeply(\@tags, [], 'tag is not shown on parent-level because version does not match');
 @h4 = $t->tx->res->dom->find("div.children-collapsed .h4 a")->map('text')->each;
@@ -193,7 +193,7 @@ $tag_for_0092_comment->delete();
 my $tag_for_0091_comment
   = $opensuse_test_group->comments->create({text => 'tag:0091:important:some_tag', user_id => 99901});
 
-$t->get_ok('/?limit_builds=20&only_tagged=1')->status_is(200);
+$t->get_ok('/dashboard_build_results?limit_builds=20&only_tagged=1')->status_is(200);
 @h4 = $t->tx->res->dom->find("div.children-collapsed .h4 a")->map('text')->each;
 is_deeply(\@h4, ['Build0091'], 'only tagged builds on parent-level shown (common build)');
 @h4 = $t->tx->res->dom->find('div#group' . $test_parent->id . '_build13_1-0091 .h4 a')->map('text')->each;
@@ -224,7 +224,7 @@ $t->app->schema->resultset('JobModules')->create(
     });
 
 my $review_build_id = '-Factory-0048_0815';
-$t->get_ok('/?limit_builds=20')->status_is(200);
+$t->get_ok('/dashboard_build_results?limit_builds=20')->status_is(200);
 $t->element_count_is('#review-' . $test_parent->id . $review_build_id,
     0, 'review badge NOT shown for build 0048@0815 anymore');
 $t->element_count_is('#child-review-' . $test_parent->id . $review_build_id,
@@ -242,18 +242,18 @@ sub check_auto_badge {
         $all_passed_count, "all passed review badge shown for build $build on child-level");
 }
 # all passed
-$t->get_ok('/?limit_builds=20')->status_is(200);
+$t->get_ok('/dashboard_build_results?limit_builds=20')->status_is(200);
 check_auto_badge(1);
 # all passed or softfailed
 $jobs->find({id => 99947})->update({result => OpenQA::Jobs::Constants::SOFTFAILED});
-$t->get_ok('/?limit_builds=20')->status_is(200);
+$t->get_ok('/dashboard_build_results?limit_builds=20')->status_is(200);
 check_auto_badge(1);
 $jobs->find({id => 99947})->update({result => OpenQA::Jobs::Constants::PASSED});
 
 sub check_badge {
     my ($reviewed_count, $msg, $build) = @_;
     $build //= 'Factory-0048';
-    $t->get_ok('/?limit_builds=20')->status_is(200);
+    $t->get_ok('/dashboard_build_results?limit_builds=20')->status_is(200);
     $t->element_count_is('#review-' . $test_parent->id . '-' . $build,       $reviewed_count, $msg . ' (parent-level)');
     $t->element_count_is('#child-review-' . $test_parent->id . '-' . $build, $reviewed_count, $msg . ' (child-level)');
 }
@@ -329,7 +329,7 @@ check_badge(0, 'no badge when no failed, reviewed softfailed with failing module
 # change DISTRI/VERSION of test in opensuse group to test whether links are still correct then
 $opensuse_group->jobs->update({VERSION => '14.2', DISTRI => 'suse'});
 
-$t->get_ok('/?limit_builds=20&show_tags=0')->status_is(200);
+$t->get_ok('/dashboard_build_results?limit_builds=20&show_tags=0')->status_is(200);
 @urls = $t->tx->res->dom->find('.h4 a')->each;
 is(scalar @urls, 12, 'now builds belong to different versions and are split');
 is(
@@ -354,7 +354,7 @@ subtest 'build which has jobs with different DISTRIs links to overview with all
             VERSION => '14.2',
             MACHINE => '32bit',
         });
-    $t->get_ok('/?limit_builds=20&show_tags=0')->status_is(200);
+    $t->get_ok('/dashboard_build_results?limit_builds=20&show_tags=0')->status_is(200);
     my @urls = $t->tx->res->dom->find('.h4 a')->each;
     is(scalar @urls, 12, 'still 12 builds shown');
     my $first_url = $urls[1]->attr('href');
diff --git a/t/api/04-jobs.t b/t/api/04-jobs.t
index 7e5ff2854a79..e70e69c4f1e5 100644
--- a/t/api/04-jobs.t
+++ b/t/api/04-jobs.t
@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 
-# Copyright (C) 2015-2017 SUSE LLC
+# Copyright (C) 2015-2019 SUSE LLC
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -608,7 +608,7 @@ subtest 'json representation of group overview (actually not part of the API)' =
     );
 };
 
-$t->get_ok('/index.json?limit_builds=10')->status_is(200);
+$t->get_ok('/dashboard_build_results.json?limit_builds=10')->status_is(200);
 my $ret = $t->tx->res->json;
 is(@{$ret->{results}}, 2);
 my $g1 = (shift @{$ret->{results}});
diff --git a/t/api/10-jobgroups.t b/t/api/10-jobgroups.t
index cedbfa83dccb..264dedee1c3c 100644
--- a/t/api/10-jobgroups.t
+++ b/t/api/10-jobgroups.t
@@ -165,7 +165,7 @@ subtest 'create job group' => sub() {
         'list created job group'
     );
 
-    $t->get_ok('/index.json')->status_is(200);
+    $t->get_ok('/dashboard_build_results.json')->status_is(200);
     my $res = $t->tx->res->json;
     is(@{$res->{results}}, 2, 'empty job groups are not shown on index page');
 
diff --git a/t/ui/14-dashboard-parents.t b/t/ui/14-dashboard-parents.t
index 07c8bf130095..5119bfb92796 100644
--- a/t/ui/14-dashboard-parents.t
+++ b/t/ui/14-dashboard-parents.t
@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 
-# Copyright (C) 2016-2018 SUSE LLC
+# Copyright (C) 2016-2019 SUSE LLC
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -98,6 +98,7 @@ my $baseurl = $driver->get_current_url();
 
 $driver->get($baseurl . '?limit_builds=20');
 disable_bootstrap_animations();
+wait_for_ajax();
 
 # test expanding/collapsing
 is(scalar @{$driver->find_elements('opensuse', 'link_text')}, 0, 'link to child group collapsed (in the first place)');
@@ -115,6 +116,7 @@ ok($driver->find_element('#group1_build13_1-0091 .h4 a')->is_hidden(), 'link to
 # go to parent group overview
 $driver->find_element_by_link_text('Test parent')->click();
 disable_bootstrap_animations();
+wait_for_ajax();
 
 ok($driver->find_element('#group1_build13_1-0091 .h4 a')->is_displayed(), 'link to child group displayed');
 my @links = $driver->find_elements('.h4 a', 'css');
@@ -129,11 +131,14 @@ isnt(scalar @{$driver->find_elements('opensuse', 'link_text')}, 0, "child group
 $driver->find_element_by_class('navbar-brand')->click();
 $driver->find_element_by_link_text('Test parent 2')->click();
 disable_bootstrap_animations();
+wait_for_ajax();
 isnt(scalar @{$driver->find_elements('opensuse', 'link_text')}, 0, "child group 'opensuse' in 'Test parent 2'");
 
 # test filtering for nested groups
 subtest 'filtering subgroups' => sub {
     $driver->get('/');
+    disable_bootstrap_animations();
+    wait_for_ajax();
     my $url = $driver->get_current_url;
     $driver->find_element('#filter-panel .card-header')->click();
     $driver->find_element_by_id('filter-group')->send_keys('Test parent / .* test$');
@@ -144,8 +149,9 @@ subtest 'filtering subgroups' => sub {
     $ele = $driver->find_element_by_id('filter-time-limit-days');
     $ele->click();
     $ele->send_keys(Selenium::Remote::WDKeys->KEYS->{end}, '0');    # appended
-    $driver->find_element('#filter-form button')->click();
-    $url .= '?group=Test+parent+%2F+.*+test%24&default_expanded=1&limit_builds=30&time_limit_days=140#';
+    $driver->find_element('#filter-apply-button')->click();
+    wait_for_ajax();
+    $url .= '?group=Test%20parent%20%2F%20.*%20test%24&default_expanded=1&limit_builds=30&time_limit_days=140';
     is($driver->get_current_url,                                  $url, 'URL parameters for filter are correct');
     is(scalar @{$driver->find_elements('opensuse', 'link_text')}, 0,    "child group 'opensuse' filtered out");
     isnt(scalar @{$driver->find_elements('opensuse test', 'link_text')}, 0, "child group 'opensuse test' present'");
diff --git a/t/ui/14-dashboard.t b/t/ui/14-dashboard.t
index 74ec997701cc..1566093831b3 100644
--- a/t/ui/14-dashboard.t
+++ b/t/ui/14-dashboard.t
@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 
-# Copyright (C) 2014-2017 SUSE LLC
+# Copyright (C) 2014-2019 SUSE LLC
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -60,12 +60,15 @@ like(
     'we are on build 91'
 );
 
-is($driver->get('/?limit_builds=1'),                           1, 'index page accepts limit_builds parameter');
-is(scalar @{$driver->find_elements('.h4', 'css')},             2, 'only one build per group shown');
+is($driver->get('/?limit_builds=1'), 1, 'index page accepts limit_builds parameter');
+wait_for_ajax;
+is(scalar @{$driver->find_elements('.h4', 'css')}, 2, 'only one build per group shown');
 is($driver->get('/?time_limit_days=0.02&limit_builds=100000'), 1, 'index page accepts time_limit_days parameter');
-is(scalar @{$driver->find_elements('.h4', 'css')},             0, 'no builds shown');
+wait_for_ajax;
+is(scalar @{$driver->find_elements('.h4', 'css')}, 0, 'no builds shown');
 is($driver->get('/?time_limit_days=0.05&limit_builds=100000'), 1, 'index page accepts time_limit_days parameter');
-is(scalar @{$driver->find_elements('.h4', 'css')},             2, 'only the one hour old builds is shown');
+wait_for_ajax;
+is(scalar @{$driver->find_elements('.h4', 'css')}, 2, 'only the one hour old builds is shown');
 
 # group overview
 $driver->find_element_by_link_text('opensuse')->click();
@@ -83,7 +86,7 @@ is(
     'https://bugzilla.suse.com/show_bug.cgi?id=1234',
     'bugref in description rendered as link'
 );
-$driver->get('//group_overview/1002');
+$driver->get('/group_overview/1002');
 is(scalar @{$driver->find_elements('#group_description', 'css')},
     0, 'no well for group description shown if none present');
 is($driver->get($build_url . '?limit_builds=2'), 1, 'group overview page accepts query parameter, too');
@@ -103,21 +106,28 @@ is($driver->find_element('#more_builds b')->get_text(), 400, 'limited to the sel
 $driver->find_element_by_link_text('tagged')->click();
 is(scalar @{$driver->find_elements('.h4', 'css')}, 0, 'no tagged builds exist');
 
-is($driver->get('/?group=opensuse'),              1, 'group parameter is not exact by default');
+is($driver->get('/?group=opensuse'), 1, 'group parameter is not exact by default');
+wait_for_ajax;
 is(scalar @{$driver->find_elements('h2', 'css')}, 2, 'both job groups shown');
-is($driver->get('/?group=test'),                  1, 'group parameter filters as expected');
+is($driver->get('/?group=test'), 1, 'group parameter filters as expected');
+wait_for_ajax;
 is(scalar @{$driver->find_elements('h2', 'css')}, 1, 'only one job group shown');
 is($driver->find_element_by_link_text('opensuse test')->get_text, 'opensuse test');
-is($driver->get('/?group=opensuse$'),             1, 'group parameter can be used for exact matching, though');
+is($driver->get('/?group=opensuse$'), 1, 'group parameter can be used for exact matching, though');
+wait_for_ajax;
 is(scalar @{$driver->find_elements('h2', 'css')}, 1, 'only one job group shown');
 is($driver->find_element_by_link_text('opensuse')->get_text, 'opensuse');
-is($driver->get('/?group=opensuse$&group=test'),  1, 'multiple group parameter can be use to ease building queries');
+is($driver->get('/?group=opensuse$&group=test'), 1, 'multiple group parameter can be used to ease building queries');
+wait_for_ajax;
 is(scalar @{$driver->find_elements('h2', 'css')}, 2, 'both job groups shown');
 $driver->get('/?group=');
+wait_for_ajax;
 is(scalar @{$driver->find_elements('h2', 'css')}, 2, 'a single, empty group parameter has no affect');
 
 subtest 'filter form' => sub {
     $driver->get('/');
+    disable_bootstrap_animations;
+    wait_for_ajax;
     my $url = $driver->get_current_url;
     $driver->find_element('#filter-panel .card-header')->click();
     $driver->find_element_by_id('filter-group')->send_keys('SLE 12 SP2');
@@ -127,13 +137,14 @@ subtest 'filter form' => sub {
     $ele = $driver->find_element_by_id('filter-time-limit-days');
     $ele->click();
     $ele->send_keys(Selenium::Remote::WDKeys->KEYS->{end}, '2');    # appended to default '14'
-    $driver->find_element('#filter-form button')->click();
-    $url .= '?group=SLE+12+SP2&limit_builds=38&time_limit_days=142#';
+    $driver->find_element('#filter-apply-button')->click();
+    wait_for_ajax;
+    $url .= '?group=SLE%2012%20SP2&limit_builds=38&time_limit_days=142';
     is($driver->get_current_url, $url, 'URL parameters for filter are correct');
 };
 
 # JSON representation of index page
-$driver->get('/index.json');
+$driver->get('/dashboard_build_results.json');
 like($driver->get_page_source(), qr("key":"Factory-0048"), 'page rendered as JSON');
 
 like($t->get_ok('/')->tx->res->dom->at('#filter-panel .help_popover')->{'data-title'},
diff --git a/t/ui/15-comments.t b/t/ui/15-comments.t
index 7eaf97f04077..ca6aade6aab6 100644
--- a/t/ui/15-comments.t
+++ b/t/ui/15-comments.t
@@ -1,6 +1,6 @@
 #! /usr/bin/perl
 
-# Copyright (C) 2015-2017 SUSE LLC
+# Copyright (C) 2015-2019 SUSE LLC
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -62,7 +62,7 @@ $driver->title_is("openQA", "back on main page");
 
 # check 'reviewed' labels
 
-$t->get_ok('/?limit_builds=10')->status_is(200)
+$t->get_ok('/dashboard_build_results?limit_builds=10')->status_is(200)
   ->element_count_is('.review', 2, 'exactly two builds marked as \'reviewed\'')
   ->element_exists('.badge-all-passed', 'one build is marked as \'reviewed-all-passed\' because all tests passed');
 
diff --git a/templates/main/dashboard_build_results.html.ep b/templates/main/dashboard_build_results.html.ep
new file mode 100644
index 000000000000..2e460c032946
--- /dev/null
+++ b/templates/main/dashboard_build_results.html.ep
@@ -0,0 +1,17 @@
+% for my $groupresults (@$results) {
+    % my $group         = $groupresults->{group};
+    % my $build_results = $groupresults->{build_results};
+    % my $max_jobs      = $groupresults->{max_jobs};
+
+    % if (@{$groupresults->{children}}) {
+        <h2>
+            %= link_to $group->{name} => url_for('parent_group_overview', groupid => $group->{id})
+        </h2>
+        %= include 'main/group_builds', build_results => $build_results, group => $group, max_jobs => $max_jobs, children => $groupresults->{children}, default_expanded => $default_expanded
+    % } else {
+        <h2>
+            %= link_to $group->{name} => url_for('group_overview', groupid => $group->{id})
+        </h2>
+        %= include 'main/group_builds', build_results => $build_results, group => $group, max_jobs => $max_jobs, children => undef, default_expanded => 0
+    % }
+% }
diff --git a/templates/main/index.html.ep b/templates/main/index.html.ep
index 65e48612c214..1c76268db25c 100644
--- a/templates/main/index.html.ep
+++ b/templates/main/index.html.ep
@@ -22,24 +22,13 @@
   </div>
 </div>
 
-<div id="build-results"></div>
-% for my $groupresults (@$results) {
-    % my $group              = $groupresults->{group};
-    % my $build_results      = $groupresults->{build_results};
-    % my $max_jobs           = $groupresults->{max_jobs};
-
-    % if (@{$groupresults->{children}}) {
-        <h2>
-            %= link_to $group->{name} => url_for('parent_group_overview', groupid => $group->{id})
-        </h2>
-        %= include 'main/group_builds', build_results => $build_results, group => $group, max_jobs => $max_jobs, children => $groupresults->{children}, default_expanded => $default_expanded
-    % } else {
-        <h2>
-            %= link_to $group->{name} => url_for('group_overview', groupid => $group->{id})
-        </h2>
-        %= include 'main/group_builds', build_results => $build_results, group => $group, max_jobs => $max_jobs, children => undef, default_expanded => 0
-    % }
-% }
+<div id="build-results-loading">
+    <div class="d-flex justify-content-center">
+        <i class="fas fa-circle-notch fa-spin fa-4x" role="status"><span class="sr-only">Loading…</span></i>
+    </div>
+</div>
+<div id="build-results" data-build-results-url="<%= url_for('dashboard_build_results') %>">
+</div>
 
 <div class="card card-outline-secondary filter-panel-bottom" id="filter-panel">
     <div class="card-header"><strong>Filter</strong> <span>no filter present, click to toggle filter form</span></div>
@@ -93,7 +82,7 @@
                 <%= help_popover('Help for <i>Full screen</i>' => '<p>Show builds in full screen mode</p>')
                 %>
             </div>
-            <button type="submit" class="btn btn-default">Apply</button>
+            <button type="submit" class="btn btn-default" id="filter-apply-button">Apply</button>
         </form>
     </div>
 </div>