xfinity.com XFINITY® TV, Internet, Phone & Home Security Services by Comcast

Mobile Usability

94/100

Good

Mobile Speed

43/100

Bad

Last tested: 2017-08-27

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xfinity.com Mobile Usability: 94/100
xfinity.com Mobile Usability Test 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 436 CSS pixels wide, but the viewport is only 412 CSS pixels wide. The following elements fall outside the viewport:
The element <h4 class="agreement">1 year agreement</h4> 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 id="showLeft"></a> is close to 2 other tap targets.
The tap target <a href="/"></a> is close to 1 other tap targets.
The tap target <button type="button" class="btn_search">click to open Search</button> is close to 1 other tap targets.
The tap target <a id="anchorShoppingCart" href="javascript:void(0)" class="cart-inactive">Your cart is currently empty</a> is close to 1 other tap targets.
The tap target <a href="/Corporate/sho…roductoverview">XFINITY® Deals</a> and 2 others are close to other tap targets.
xfinity.com Mobile Speed: 43/100
xfinity.com Mobile Speed Test Quick Overview

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 13 blocking script resources and 7 blocking CSS resources. This causes a delay in rendering your page.
https://cdn.ch2.comcast.com/includes/ngbf_comcast_…YgNtfK9mb8ZQmr-or43DI1
https://cdn.comcast.com/~/Media/www_comcast_com/In…43cd-aed7-a9dfff9adbe9
https://cdn.comcast.com/~/Media/Javascripts/Omnitu…4528-957b-e68c2b101fd6
https://cdn.comcast.com/~/Media/Javascripts/Omnitu…483d-a532-625284cedc7c
https://cdn.tt.omtrdc.net/cdn/target.js
https://comcastresidentialservices.tt.omtrdc.net/m…ferrer=&mboxVersion=57
https://comcast.demdex.net/event?d_stuff=1&d_dst=1…_cts=1&d_cb=aam_tnt_cb
https://cdn.ch2.comcast.com/includes/ngbf_comcast_…7Qu0azp02F21-1300Cvi01
https://assets.adobedtm.com/43896e740dcedef854392e…200af461e0eb894c523.js
https://comcastresidentialservices.tt.omtrdc.net/m…ferrer=&mboxVersion=57
https://comcastresidentialservices.tt.omtrdc.net/m…ferrer=&mboxVersion=57
https://comcastresidentialservices.tt.omtrdc.net/m…ferrer=&mboxVersion=57
https://comcastresidentialservices.tt.omtrdc.net/m…ferrer=&mboxVersion=57
Optimize CSS Delivery of the following:
https://cdn.ch2.comcast.com/includes/ngbf_comcast_…5t94jf79HCbOxe7L592xw1
https://cdn.comcast.com/~/Media/www_comcast_com/In…423c-bbdc-30554358210d
https://cdn.comcast.com/~/Media/Common/GlobalNavig…40f6-998c-00aba6e5f1f7
https://cdn.comcast.com/~/Media/Stylesheets/mobile…4fa3-8c35-d3941f0a7836
https://cdn.comcast.com/~/Media/2017/Test%20Images…415d-ba5c-9d1983b557f4
https://cdn.comcast.com/~/media/Alert-Messaging/notifications-styles.css
https://cdn.ch2.comcast.com/includes/ngbf_comcast_…24s5ufsDaDJtTOcKh4uwA1
Avoid landing page redirects

Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://xfinity.com/
https://www.xfinity.com/
http://www.xfinity.com/m
https://www.xfinity.com/m
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://assets.adobedtm.com/43896e740dcedef854392e…200af461e0eb894c523.js (expiration not specified)
https://assets.adobedtm.com/43896e740dcedef854392e…fa53337644348970300.js (expiration not specified)
https://assets.adobedtm.com/43896e740dcedef854392e…e5f326564001400047f.js (expiration not specified)
https://assets.adobedtm.com/43896e740dcedef854392e…64b64746d755a0006fc.js (expiration not specified)
https://assets.adobedtm.com/43896e740dcedef854392e…f9c64746d0529002ccd.js (expiration not specified)
https://assets.adobedtm.com/43896e740dcedef854392e…cf164746d71520018ab.js (expiration not specified)
https://assets.adobedtm.com/43896e740dcedef854392e…2ad64746d6bee0020f6.js (expiration not specified)
https://assets.adobedtm.com/43896e740dcedef854392e…15564746d361f000e69.js (expiration not specified)
https://assets.adobedtm.com/43896e740dcedef854392e…ce264746d38fb007bbc.js (expiration not specified)
https://az452423.vo.msecnd.net/custom-content-coll…/artexpo_122423_v35.js (expiration not specified)
https://comcast.inq.com/tagserver/init/initFramework (expiration not specified)
https://js.pulseinsights.com/surveys.js (expiration not specified)
https://universal.iperceptions.com/core/IpEngine_v74.js (3 minutes)
https://assets-ssl.cdn.spongecell.com/data/public/…5aff6a4b89fd5ca6412.js (13.7 minutes)
https://az452423.vo.msecnd.net/ius-76ebdeea04cf341…299_636292558715477597 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/1576063789359472?v=2.7.6 (20 minutes)
https://bat.bing.com/bat.js (30 minutes)
https://js.dmtry.com/channel.js (50 minutes)
https://cdn.tt.omtrdc.net/cdn/target.js (60 minutes)
https://comcast.inq.com/chatskins/launch/inqChatLaunch312.js (60 minutes)
https://comcast.inq.com/tagserver/postToServer.js (60 minutes)
https://mediav3.inq.com/media/launch/site_312_defa…eVersion=1493909666830 (60 minutes)
https://mediav3.inq.com/media/launch/tcFramework.m…eVersion=1493909666830 (60 minutes)
https://static.inq.com/sites/312/assets/automatons/automaton-configs.js (60 minutes)
https://static.inq.com/sites/320/assets/acif/3.0.0-beta.6/acif-loader.js (60 minutes)
https://static.inq.com/sites/320/assets/acif/3.0.0-beta.6/acif.js (60 minutes)
https://c.lytics.io/api/tag/a9799d27d9208fd8d031fc3e2a55ea58/lio.js (4 hours)
https://c.lytics.io/static/io.js (4 hours)
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 79.1KiB (75% reduction).
Compressing https://js.pulseinsights.com/surveys.js could save 47.1KiB (78% reduction).
Compressing https://az452423.vo.msecnd.net/custom-content-coll…/artexpo_122423_v35.js could save 22.1KiB (71% reduction).
Compressing https://assets-ssl.cdn.spongecell.com/data/public/…5aff6a4b89fd5ca6412.js could save 3.4KiB (70% reduction).
Compressing https://comcastcom.d1.sc.omtrdc.net/b/ss/comcastdo…=Y&bw=412&bh=732&AQE=1 could save 3.3KiB (72% reduction).
Compressing https://comcastcom.d1.sc.omtrdc.net/b/ss/comcastdo…=Y&bw=412&bh=732&AQE=1 could save 3.3KiB (72% reduction).
Optimize images

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 34.1KiB (43% reduction).
Compressing https://cdn.comcast.com/~/Media/2017/Mobile/April%…4fb1-a9d7-48a354fa15d1 could save 9.5KiB (51% reduction).
Compressing https://cdn.comcast.com/~/Media/2017/Test%20Images…488c-8e78-f10f6abb8a45 could save 8.1KiB (50% reduction).
Compressing https://cdn.comcast.com/~/Media/2017/Test%20Images…4771-a2da-d7e0a372ca74 could save 6.8KiB (50% reduction).
Compressing https://cdn.comcast.com/~/Media/2017/Test%20Images…487b-930b-f0df4f55a47c could save 4.9KiB (37% reduction).
Compressing https://cdn.comcast.com/~/Media/2017/Test%20Images…43df-ace2-cce1cbce579d could save 1.4KiB (50% reduction).
Compressing https://cdn.comcast.com/~/Media/2017/Test%20Images…4e62-8e95-78952552e441 could save 1.3KiB (14% reduction).
Compressing https://cdn.comcast.com/~/Media/2015/xfinity-white.aspx could save 1.1KiB (33% reduction).
Compressing https://cdn.comcast.com/~/Media/2014/Q3/logo.png?r…4bd6-89a2-94b2a4563b18 could save 995B (48% reduction).
Reduce server response time

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 21.5KiB (29% reduction).
Minifying https://az452423.vo.msecnd.net/custom-content-coll…/artexpo_122423_v35.js could save 9.1KiB (30% reduction).
Minifying https://c.lytics.io/api/tag/a9799d27d9208fd8d031fc3e2a55ea58/lio.js could save 3KiB (39% reduction) after compression.
Minifying https://c.lytics.io/static/io.js could save 2.8KiB (31% reduction) after compression.
Minifying https://comcast.inq.com/chatskins/launch/inqChatLaunch312.js could save 2.1KiB (26% reduction) after compression.
Minifying https://cdn.comcast.com/~/media/Alert-Messaging/notifications-script.js could save 1.3KiB (48% reduction) after compression.
Minifying https://comcastcom.d1.sc.omtrdc.net/b/ss/comcastdo…=Y&bw=412&bh=732&AQE=1 could save 1KiB (23% reduction).
Minifying https://comcastcom.d1.sc.omtrdc.net/b/ss/comcastdo…=Y&bw=412&bh=732&AQE=1 could save 1KiB (23% reduction).
Minifying https://comcastresidentialservices.tt.omtrdc.net/m…ferrer=&mboxVersion=57 could save 651B (23% reduction) after compression.
Minifying https://assets-ssl.cdn.spongecell.com/data/public/…5aff6a4b89fd5ca6412.js could save 544B (12% 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 2.3KiB (11% reduction).
Minifying https://www.xfinity.com/m could save 2.3KiB (11% reduction) after compression.

xfinity.com Mobile Resources


Total Resources164
Number of Hosts54
Static Resources69
JavaScript Resources63
CSS Resources7

xfinity.com Mobile Resource Breakdown