44 / 100
Should Fix:
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
- http://visualstudio.com/
- http://www.visualstudio.com/
- https://www.visualstudio.com/
Show how to fix
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
- https://c.microsoft.com/ms.js (expiration not specified)
- https://www.microsoft.com/uniblends/scripts/blender.js (expiration not specified)
- https://cdn.optimizely.com/js/6189442473.js (2.1 minutes)
- https://cdnssl.clicktale.net/www/ChangeMonitor-latest.js (5 minutes)
- https://cdnssl.clicktale.net/www/tc/WR-latest.js (5 minutes)
- https://cdnssl.clicktale.net/www07/pcc/5c60918d-2c7b-46c3-8372-5d365e966a32.js?DeploymentConfigName=Release_09052016&Version=1 (5 minutes)
- https://cdnssl.clicktale.net/www07/ptc/5c60918d-2c7b-46c3-8372-5d365e966a32.js (5 minutes)
- https://nexus.ensighten.com/msvscs/Bootstrap.js?ver=4.6.1 (5 minutes)
- https://js.microsoft.com/library/svy/vstudio/broker.js (15 minutes)
- https://d6tizftlrpuof.cloudfront.net/live/resources/buttons/feedback_button_microsoft_mobile_bottom_retina.png (60 minutes)
- https://js-agent.newrelic.com/nr-spa-974.min.js (60 minutes)
- https://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
- https://www.google-analytics.com/analytics.js (2 hours)
- https://www.visualstudio.com/wp-content/plugins/ubermenu/assets/js/ubermenu.min.js?ver=3.2.5 (3.6 days)
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/js/jquery.cookie.js?ver=3.5.3 (3.6 days)
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/js/video-lightbox.js?ver=3.1.6 (3.6 days)
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/js/language-selector.js?ver=3.5.3 (3.6 days)
- https://www.visualstudio.com/wp-includes/js/jquery/jquery.js?ver=1.12.4 (3.6 days)
- https://www.visualstudio.com/wp-content/plugins/wp-knowledgebase/js/jquery.livesearch.js?ver=1.1.4 (3.6 days)
Show how to fix
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 105.2KiB (36% reduction).
- Minifying https://www.visualstudio.com/wp-content/themes/Avada/assets/js/main.js?ver=1.0.0 could save 94.5KiB (36% reduction) after compression.
- Minifying https://js.microsoft.com/library/svy/vstudio/broker.js could save 3.9KiB (46% reduction) after compression.
- Minifying https://www.microsoft.com/uniblends/scripts/blender.js could save 3.8KiB (50% reduction) after compression.
- Minifying https://www.visualstudio.com/wp-content/plugins/download-manager/assets/js/chosen.jquery.min.js?ver=4.6.1 could save 1.3KiB (16% reduction) after compression.
- Minifying https://www.visualstudio.com/wp-content/plugins/wp-knowledgebase/js/jquery.livesearch.js?ver=1.1.4 could save 1.1KiB (57% reduction) after compression.
- Minifying https://www.visualstudio.com/wp-content/plugins/download-manager/assets/js/front.js?ver=4.6.1 could save 646B (40% reduction) after compression.
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 13 blocking script resources and 24 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
- https://cdn.optimizely.com/js/6189442473.js
- https://nexus.ensighten.com/msvscs/Bootstrap.js?ver=4.6.1
- https://www.visualstudio.com/wp-includes/js/jquery/jquery.js?ver=1.12.4
- https://www.visualstudio.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/js/jquery.prettyPhoto.min.js?ver=3.1.6
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/js/video-lightbox.js?ver=3.1.6
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/bootstrap/js/bootstrap.min.js?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/js/front.js?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/js/chosen.jquery.min.js?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/js/jquery.cookie.js?ver=3.5.3
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/js/browser-redirect.js?ver=3.5.3
- https://www.visualstudio.com/wp-content/plugins/revslider/public/assets/js/jquery.themepunch.tools.min.js?ver=5.2.6
- https://www.visualstudio.com/wp-content/plugins/revslider/public/assets/js/jquery.themepunch.revolution.min.js?ver=5.2.6
Optimize CSS Delivery of the following:
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/css/language-selector.css?v=3.5.3
- https://www.visualstudio.com/wp-content/plugins/wp-filebase/wp-filebase.css?t=1465978884&ver=3.4.4
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/css/language-selector-click.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/css/prettyPhoto.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/wp-video-lightbox.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/font-awesome/css/font-awesome.min.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/bootstrap/css/bootstrap.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/css/front.css?ver=4.6.1
- https://fonts.googleapis.com/css?family=Montserrat:400,700
- https://www.visualstudio.com/wp-content/plugins/microsoft-visual-studio-plugin/assets/css/vscom.min.css?ver=1477579892
- https://www.visualstudio.com/wp-content/plugins/revslider/public/assets/css/settings.css?ver=5.2.6
- https://www.visualstudio.com/wp-content/plugins/wp-knowledgebase/template/kbe_style.css?ver=1.1.4
- https://www.visualstudio.com/wp-content/plugins/LayerSlider/static/css/layerslider.css?ver=5.6.2
- https://fonts.googleapis.com/css?family=Lato:100,300,regular,700,900%7COpen+Sans:300%7CIndie+Flower:regular%7COswald:300,regular,700&subset=latin%2Clatin-ext
- https://www.visualstudio.com/wp-content/plugins/wpml-cms-nav/res/css/navigation.css?ver=1.4.19
- https://www.visualstudio.com/wp-content/plugins/wpml-cms-nav/res/css/cms-navigation-base.css?ver=1.4.19
- https://www.visualstudio.com/wp-content/plugins/wpml-cms-nav/res/css/cms-navigation.css?ver=1.4.19
- https://www.visualstudio.com/wp-content/themes/Avada/style.css?ver=1.0.4
- https://www.visualstudio.com/wp-content/themes/Avada-Child-Theme/style.min.css?ver=1.0.0
- https://www.visualstudio.com/wp-content/themes/Avada/assets/fonts/fontawesome/font-awesome.css?ver=1.0.0
- https://www.visualstudio.com/wp-content/themes/Avada/ilightbox.min.css?ver=1.0.0
- https://www.visualstudio.com/wp-content/plugins/ubermenu/pro/assets/css/ubermenu.min.css?ver=3.2.5
- https://www.visualstudio.com/wp-content/plugins/ubermenu-icons/assets/font-awesome/css/font-awesome.min.css?ver=4.3
- https://assets.onestore.ms/cdnfiles/onestorerolling-1611-08000/shell/v3/scss/shell.min.css
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 233.2KiB (29% reduction).
- Compressing and resizing https://www.visualstudio.com/wp-content/uploads/2016/06/Team-Services-swim-6-op.png could save 130KiB (76% reduction).
- Compressing https://www.visualstudio.com/wp-content/uploads/2016/09/develop2.png could save 70.9KiB (21% reduction).
- Compressing https://www.visualstudio.com/wp-content/uploads/2016/11/connect-2016-hero.jpg could save 30KiB (11% reduction).
- Compressing https://d6tizftlrpuof.cloudfront.net/live/resources/buttons/feedback_button_microsoft_mobile_bottom_retina.png could save 1.3KiB (44% reduction).
- Compressing https://assets.onestore.ms/cdnfiles/external/uhf/long/9a49a7e9d8e881327e81b9eb43dabc01de70a9bb/images/microsoft-gray.png could save 1KiB (27% reduction).
Show how to fix
Consider Fixing:
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 17.1KiB (66% reduction).
- Compressing https://app.vssps.visualstudio.com/_signin?realm=app.vssps.visualstudio.com&reply_to=https%3A%2F%2Fapp.vssps.visualstudio.com%2F_apis%2Fprofile%2Fprofiles%2Fme%3F_%3D1478771522491&redirect=1&mkt=en-US&context=eyJodCI6MywiaGlkIjoiYTVjYTM1ZWItMTQ4ZS00Y2NkLWJiYjMtZDMxNTc2ZDc1OTU4IiwicXMiOnt9LCJyciI6IiIsInZoIjoiIiwiY3YiOiIiLCJjcyI6IiJ90 could save 8.6KiB (66% reduction).
- Compressing https://app.vssps.visualstudio.com/_signin?realm=app.vssps.visualstudio.com&reply_to=https%3A%2F%2Fapp.vssps.visualstudio.com%2F_apis%2FconnectionData%3F_%3D1478771522492&redirect=1&mkt=en-US&context=eyJodCI6MywiaGlkIjoiYTVjYTM1ZWItMTQ4ZS00Y2NkLWJiYjMtZDMxNTc2ZDc1OTU4IiwicXMiOnt9LCJyciI6IiIsInZoIjoiIiwiY3YiOiIiLCJjcyI6IiJ90 could save 8.5KiB (66% reduction).
Show how to fix
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 2.1KiB (28% reduction).
- Minifying https://www.visualstudio.com/wp-content/plugins/revslider/public/assets/css/settings.css?ver=5.2.6 could save 2.1KiB (28% reduction) after compression.
Show how to fix
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
86.9KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.
- None of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
Show how to fix
2 Passed Rules
99 / 100
Consider Fixing:
Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
- The tap target
<a href="https://www.vi…-services/git/">Git</a>
and 1 others are close to other tap targets final.
- The tap target
<a href="https://visual…/team-services">Learn more</a>
is close to 1 other tap targets final.
Show how to fix
4 Passed Rules
Show details
Avoid plugins
Your page does not appear to use plugins, which would prevent content from being usable on many platforms. Learn more about the importance of avoiding plugins.
Configure the viewport
Your page specifies a viewport matching the device's size, which allows it to render properly on all devices. Learn more about configuring viewports.
Size content to viewport
The contents of your page fit within the viewport. Learn more about sizing content to the viewport.
Use legible font sizes
The text on your page is legible. Learn more about using legible font sizes.
49 / 100
Should Fix:
Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 105.2KiB (36% reduction).
- Minifying https://www.visualstudio.com/wp-content/themes/Avada/assets/js/main.js?ver=1.0.0 could save 94.5KiB (36% reduction) after compression.
- Minifying https://js.microsoft.com/library/svy/vstudio/broker.js could save 3.9KiB (46% reduction) after compression.
- Minifying https://www.microsoft.com/uniblends/scripts/blender.js could save 3.8KiB (50% reduction) after compression.
- Minifying https://www.visualstudio.com/wp-content/plugins/download-manager/assets/js/chosen.jquery.min.js?ver=4.6.1 could save 1.3KiB (16% reduction) after compression.
- Minifying https://www.visualstudio.com/wp-content/plugins/wp-knowledgebase/js/jquery.livesearch.js?ver=1.1.4 could save 1.1KiB (57% reduction) after compression.
- Minifying https://www.visualstudio.com/wp-content/plugins/download-manager/assets/js/front.js?ver=4.6.1 could save 646B (40% reduction) after compression.
Show how to fix
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 13 blocking script resources and 24 blocking CSS resources. This causes a delay in rendering your page.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Remove render-blocking JavaScript:
- https://cdn.optimizely.com/js/6189442473.js
- https://nexus.ensighten.com/msvscs/Bootstrap.js?ver=4.6.1
- https://www.visualstudio.com/wp-includes/js/jquery/jquery.js?ver=1.12.4
- https://www.visualstudio.com/wp-includes/js/jquery/jquery-migrate.min.js?ver=1.4.1
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/js/jquery.prettyPhoto.min.js?ver=3.1.6
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/js/video-lightbox.js?ver=3.1.6
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/bootstrap/js/bootstrap.min.js?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/js/front.js?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/js/chosen.jquery.min.js?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/js/jquery.cookie.js?ver=3.5.3
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/js/browser-redirect.js?ver=3.5.3
- https://www.visualstudio.com/wp-content/plugins/revslider/public/assets/js/jquery.themepunch.tools.min.js?ver=5.2.6
- https://www.visualstudio.com/wp-content/plugins/revslider/public/assets/js/jquery.themepunch.revolution.min.js?ver=5.2.6
Optimize CSS Delivery of the following:
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/css/language-selector.css?v=3.5.3
- https://www.visualstudio.com/wp-content/plugins/wp-filebase/wp-filebase.css?t=1465978884&ver=3.4.4
- https://www.visualstudio.com/wp-content/plugins/sitepress-multilingual-cms/res/css/language-selector-click.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/css/prettyPhoto.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/wp-video-lightbox/wp-video-lightbox.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/font-awesome/css/font-awesome.min.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/bootstrap/css/bootstrap.css?ver=4.6.1
- https://www.visualstudio.com/wp-content/plugins/download-manager/assets/css/front.css?ver=4.6.1
- https://fonts.googleapis.com/css?family=Montserrat:400,700
- https://www.visualstudio.com/wp-content/plugins/microsoft-visual-studio-plugin/assets/css/vscom.min.css?ver=1477579892
- https://www.visualstudio.com/wp-content/plugins/revslider/public/assets/css/settings.css?ver=5.2.6
- https://www.visualstudio.com/wp-content/plugins/wp-knowledgebase/template/kbe_style.css?ver=1.1.4
- https://www.visualstudio.com/wp-content/plugins/LayerSlider/static/css/layerslider.css?ver=5.6.2
- https://fonts.googleapis.com/css?family=Lato:100,300,regular,700,900%7COpen+Sans:300%7CIndie+Flower:regular%7COswald:300,regular,700&subset=latin%2Clatin-ext
- https://www.visualstudio.com/wp-content/plugins/wpml-cms-nav/res/css/navigation.css?ver=1.4.19
- https://www.visualstudio.com/wp-content/plugins/wpml-cms-nav/res/css/cms-navigation-base.css?ver=1.4.19
- https://www.visualstudio.com/wp-content/plugins/wpml-cms-nav/res/css/cms-navigation.css?ver=1.4.19
- https://www.visualstudio.com/wp-content/themes/Avada/style.css?ver=1.0.4
- https://www.visualstudio.com/wp-content/themes/Avada-Child-Theme/style.min.css?ver=1.0.0
- https://www.visualstudio.com/wp-content/themes/Avada/assets/fonts/fontawesome/font-awesome.css?ver=1.0.0
- https://www.visualstudio.com/wp-content/themes/Avada/ilightbox.min.css?ver=1.0.0
- https://www.visualstudio.com/wp-content/plugins/ubermenu/pro/assets/css/ubermenu.min.css?ver=3.2.5
- https://www.visualstudio.com/wp-content/plugins/ubermenu-icons/assets/font-awesome/css/font-awesome.min.css?ver=4.3
- https://assets.onestore.ms/cdnfiles/onestorerolling-1611-08000/shell/v3/scss/shell.min.css
Show how to fix
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 680.8KiB (57% reduction).
- Compressing and resizing https://www.visualstudio.com/wp-content/uploads/2016/09/vs-home-swimlane-img-e1473208581480.png could save 307.6KiB (80% reduction).
- Compressing and resizing https://www.visualstudio.com/wp-content/uploads/2016/09/develop2.png could save 274.7KiB (80% reduction).
- Compressing and resizing https://www.visualstudio.com/wp-content/uploads/2016/06/Team-Services-swim-6-op.png could save 65.1KiB (39% reduction).
- Compressing https://www.visualstudio.com/wp-content/uploads/2016/11/connect-2016-hero.jpg could save 30KiB (11% reduction).
- Compressing and resizing https://assets.onestore.ms/cdnfiles/external/uhf/long/9a49a7e9d8e881327e81b9eb43dabc01de70a9bb/images/microsoft-gray.png could save 2.2KiB (55% reduction).
- Compressing https://d6tizftlrpuof.cloudfront.net/live/resources/buttons/feedback_button_microsoft_desktop_right.png could save 1.1KiB (44% reduction).
Show how to fix
Consider Fixing:
Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
- http://visualstudio.com/
- http://www.visualstudio.com/
- https://www.visualstudio.com/
Show how to fix
Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 17.1KiB (66% reduction).
- Compressing https://app.vssps.visualstudio.com/_signin?realm=app.vssps.visualstudio.com&reply_to=https%3A%2F%2Fapp.vssps.visualstudio.com%2F_apis%2Fprofile%2Fprofiles%2Fme%3F_%3D1478771529769&redirect=1&mkt=en-US&context=eyJodCI6MywiaGlkIjoiYTVjYTM1ZWItMTQ4ZS00Y2NkLWJiYjMtZDMxNTc2ZDc1OTU4IiwicXMiOnt9LCJyciI6IiIsInZoIjoiIiwiY3YiOiIiLCJjcyI6IiJ90 could save 8.6KiB (66% reduction).
- Compressing https://app.vssps.visualstudio.com/_signin?realm=app.vssps.visualstudio.com&reply_to=https%3A%2F%2Fapp.vssps.visualstudio.com%2F_apis%2FconnectionData%3F_%3D1478771529770&redirect=1&mkt=en-US&context=eyJodCI6MywiaGlkIjoiYTVjYTM1ZWItMTQ4ZS00Y2NkLWJiYjMtZDMxNTc2ZDc1OTU4IiwicXMiOnt9LCJyciI6IiIsInZoIjoiIiwiY3YiOiIiLCJjcyI6IiJ90 could save 8.5KiB (66% reduction).
Show how to fix
Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
- https://c.microsoft.com/ms.js (expiration not specified)
- https://www.microsoft.com/uniblends/scripts/blender.js (expiration not specified)
- https://cdn.optimizely.com/js/6189442473.js (2.1 minutes)
- https://cdnssl.clicktale.net/www/ChangeMonitor-latest.js (5 minutes)
- https://cdnssl.clicktale.net/www/tc/WR-latest.js (5 minutes)
- https://cdnssl.clicktale.net/www07/pcc/5c60918d-2c7b-46c3-8372-5d365e966a32.js?DeploymentConfigName=Release_09052016&Version=1 (5 minutes)
- https://cdnssl.clicktale.net/www07/ptc/5c60918d-2c7b-46c3-8372-5d365e966a32.js (5 minutes)
- https://nexus.ensighten.com/msvscs/Bootstrap.js?ver=4.6.1 (5 minutes)
- https://js.microsoft.com/library/svy/vstudio/broker-config.js?1478771529979 (15 minutes)
- https://js.microsoft.com/library/svy/vstudio/broker.js (15 minutes)
- https://d6tizftlrpuof.cloudfront.net/live/resources/buttons/feedback_button_microsoft_desktop_right.png (60 minutes)
- https://js-agent.newrelic.com/nr-spa-974.min.js (60 minutes)
- https://www.google-analytics.com/plugins/ua/linkid.js (60 minutes)
- https://www.google-analytics.com/analytics.js (2 hours)
Show how to fix
Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 2.1KiB (28% reduction).
- Minifying https://www.visualstudio.com/wp-content/plugins/revslider/public/assets/css/settings.css?ver=5.2.6 could save 2.1KiB (28% reduction) after compression.
Show how to fix
Prioritize visible content
Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.
86.9KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. Prioritize the above-the-fold content so that it can be rendered with only the first 2 round-trips' worth of HTML.
- None of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
Show how to fix
2 Passed Rules
* The results are cached for 30s. If you have made changes to your page, please wait for 30s before re-running the test.