Exrx.net Site Title
ExRx.net : Home
Exrx.net Meta Description
ExRx.net is a resource for the exercise professional, coach, or fitness enthusiast. It offers evidence based exercise prescription tools and resources including reference articles, comprehensive exercise libraries, and fitness calculators. ExRx.net is a recommended resource in ACSM's Resource Manual for Guidelines for Exercise Testing and Prescription, 5th ed. (pgs 224, 349). ExRx.net has also been an NSCA authorized CEU provider since 2008.
Exrx.net Test Results
exrx.net 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 427 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element
<div class="container"></div> falls outside the viewport.
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://exrx.n…People/Contact">About Us</a> and 5 others are close to other tap targets.
exrx.net Mobile Speed: 59/100
Quick overview:
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking script resources and 3 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://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.min.js?ccm_nocache=ca17add95b11d1baf3d74fcd3fa4637fb02c14ba
Optimize CSS Delivery of the following:
https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,700,900
...
Reduce server response time
In our test, your server responded in 1.9 seconds.
There are many factors that can slow down your server response time. Please read our recommendations to learn how you can monitor and measure where your server is spending the most time.
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://z-na.amazon-adsystem.com/widgets/onejs?MarketPlace=US&adInstanceId=d457ebf0-12d4-46d4-a3f1-6d2aa75f0d88 (5 minutes)
...
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 3.7KiB (23% reduction).
Compressing https://exrx.net/application/files/3214/6236/4581/SiteUpdates.jpg could save 3.1KiB (22% 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 2.5KiB (22% reduction).
Minifying https://exrx.net/porpoiseant/jellyfish.webp?a=a&cb=0&shcb=32 could save 2.5KiB (22% reduction) after compression.
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 133B (37% reduction).
Minifying https://use.fontawesome.com/bf47fdcc0a.css could save 133B (37% reduction) after compression.
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