Xo.com Site Title

XO Communications: Networking Services & Solutions | Verizon

Xo.com Meta Description

Learn more about how many XO Communications services will move to Verizon. Find out how XO customers will get improved performance from their network and more.

Xo.com Test Results

xo.com Mobile Usability: 100/100


xo.com Mobile Speed: 51/100

Quick overview:
Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 559.5KiB (30% reduction).
Compressing https://www.xo.com/sites/default/files/2016-07/resources-bg_0.jpg could save 299KiB (53% reduction).
...
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.
Remove render-blocking JavaScript:
https://www.xo.com/core/assets/vendor/modernizr/modernizr.min.js?v=3.3.1
Optimize CSS Delivery of the following:
https://www.xo.com/sites/default/files/css/css_U7d23ck6mshStzvExXTgnJ7YmI0qoO6RkWEI_PwwKiM.css?oq7yju
...
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 26KiB (45% reduction).
Minifying https://www.xo.com/libraries/jquery.cycle/jquery.cycle.all.js?v=3.0.3 could save 5.4KiB (41% reduction) after compression.
...
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://www.googletagmanager.com/gtm.js?id=GTM-WPWXK5 (15 minutes)
...
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 4KiB (20% reduction).
Minifying https://www.xo.com/ could save 4KiB (20% reduction) after compression.

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