Concord.org Site Title
Concord Consortium – Revolutionary digital learning for science, math, and engineering
Concord.org Meta Description
Cultivating curiosity to bring out the inner scientist in everyone. We're a nonprofit organization dedicated to creating innovative educational technology for STEM learning. Our pioneering work brings technology's promise into reality for education worldwide.
Concord.org Test Results
concord.org Mobile Usability: 96/100
Quick overview:
Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 518 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element
<image class="bubble-shape-image"> falls outside the viewport.
concord.org Mobile Speed: 35/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 34 blocking script resources and 11 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.
https://concord.org/wp-includes/js/jquery/jquery.js?ver=1.12.4
...
Optimize CSS Delivery of the following:
https://concord.org/wp-content/plugins/cc-customizations/css/style.css?ver=1.03
...
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 701.1KiB (73% reduction).
Compressing https://concord.org/wp-content/plugins/videojs-html5-player/videojs/video.min.js?ver=1.1.3 could save 166.9KiB (76% reduction).
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 132.1KiB (23% reduction).
Compressing https://concord.org/wp-content/themes/concord2017/images/01-Concord-Staff.jpg could save 114.9KiB (24% reduction).
...
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 90KiB (51% reduction).
Minifying https://concord.org/wp-content/themes/concord2017/js/libs/scrollmagic/uncompressed/ScrollMagic.js?ver=20151215 could save 66.7KiB (65% reduction).
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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.
50KiB of the HTML response was required to render the above-the-fold content. This requires 3 network round-trips. However, if the HTML response were compressed, then the HTML required to render the above-the-fold content could be delivered in just 1 network round-trips. Enable compression for the HTML response in order to prioritize the visible content for this page.
Only about 68% of the final above-the-fold content could be rendered with the HTML delivered within 2 round-trips.
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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://m.addthisedge.com/live/boost/concordconsortium/_ate.track.config_resp (60 seconds)
...
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 27.7KiB (21% reduction).
Minifying https://concord.org/wp-content/themes/concord2017/style.css?ver=1543958006 could save 21.4KiB (22% reduction).
...
Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 8KiB (17% reduction).
Minifying https://concord.org/ could save 8KiB (17% reduction).
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