2.1 sec in total
31 ms
1.8 sec
241 ms
Welcome to comcast.com homepage info - get ready to check Comcast best content for United States right away, or after learning these important things about comcast.com
Save on Xfinity Digital Cable TV, High Speed Internet and Home Phone Services. Enjoy entertainment your way with great deals on Xfinity by Comcast.
Visit comcast.comWe analyzed Comcast.com page load time and found that the first response time was 31 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
comcast.com performance score
name
value
score
weighting
Value7.1 s
1/100
10%
Value17.4 s
0/100
25%
Value14.1 s
1/100
10%
Value5,390 ms
0/100
30%
Value0
100/100
15%
Value27.1 s
0/100
10%
31 ms
613 ms
29 ms
245 ms
45 ms
Our browser made a total of 102 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Comcast.com, 48% (49 requests) were made to Cdn.comcast.com and 11% (11 requests) were made to Comcastresidentialservices.tt.omtrdc.net. The less responsive or slowest element that took the longest time to load (613 ms) relates to the external source Xfinity.com.
Page size can be reduced by 766.1 kB (44%)
1.8 MB
988.2 kB
In fact, the total size of Comcast.com main page is 1.8 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 783.3 kB which makes up the majority of the site volume.
Potential reduce by 87.1 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 14.3 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 87.1 kB or 79% of the original size.
Potential reduce by 18.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Comcast images are well optimized though.
Potential reduce by 470.0 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 470.0 kB or 75% of the original size.
Potential reduce by 190.4 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Comcast.com needs all CSS files to be minified and compressed as it can save up to 190.4 kB or 82% of the original size.
Number of requests can be reduced by 61 (62%)
99
38
The browser has sent 99 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Comcast. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.
comcast.com
31 ms
www.xfinity.com
613 ms
jquery
29 ms
AAMTnT.js
245 ms
visitorAPI.js
45 ms
Mbox.js
47 ms
jsbundle1
19 ms
bundle10
11 ms
comcastglobalnavigation.css
22 ms
comcast_homepage.css
11 ms
takeover-dl.css
17 ms
comcast_homepage_ie7.css
43 ms
takeover-dl-ie.css
329 ms
Products_homepage.css
48 ms
homepage_countdown.css
53 ms
homepage.js
46 ms
comcast_products_june.css
54 ms
jquerycarousel.js
55 ms
takeover-dl.js
67 ms
cdclock.css
72 ms
bundle11
44 ms
batch1mods.css
81 ms
cookie-reader-content-swap.js
70 ms
satelliteLib-bd182aaf0efd2bc4e149f200af461e0eb894c523.js
12 ms
notifications-styles.css
94 ms
header.css
82 ms
comcastglobalnavigation
45 ms
searchsuggests.js
57 ms
easyLinkMP.js
48 ms
mpel.js
99 ms
three-LOB-deal-finder.css
54 ms
s_code.ashx
112 ms
onlineopinion
250 ms
notifications-script.js
91 ms
tooltip
37 ms
jsbundle2
275 ms
omniture
15 ms
firstevent
10 ms
target.js
7 ms
id
13 ms
id
13 ms
ajax
15 ms
XFINITY_r
118 ms
body_bg.gif
7 ms
Q1_NED_SpeedSale_Default_DP.jpg
38 ms
Q1_NED_FastStartSaleExpire_TP.jpg
9 ms
Q1_NED_X1Demo_HSD.jpg
7 ms
Q1_NED_X1Demo_TV.jpg
13 ms
Q1_NED_X1Demo_Deals.jpg
17 ms
sidebar_DP_neverbefore.png
359 ms
sidebar_TP_Best.png
25 ms
sidebar_fastwifi.png
280 ms
sidebar_tvexperience.png
281 ms
sidebar_exclusivedeals.png
20 ms
XH_Module_8-3.png
36 ms
X1_Challenge_Final_Home.jpg
30 ms
existing-bg-2.gif
37 ms
existing-bestprice.gif
37 ms
check2.gif
57 ms
Comcast-loading_12_05_03_Variation_3_1.gif
58 ms
standard
11 ms
standard
11 ms
standard
17 ms
g.json
17 ms
standard
13 ms
standard
10 ms
sprite-header.png
11 ms
X1_Badge.png
10 ms
homepage_sprite.png
164 ms
standard
10 ms
verticle-shadow-both-sides.png
109 ms
tab_content_shadow.png
140 ms
guarantee_logo.gif
22 ms
bullet.gif
72 ms
json
54 ms
overlay.png
51 ms
standard
10 ms
notifications
71 ms
ShoppingCartController.cajax
167 ms
footer-repeat-bg.png
41 ms
footer2.png
53 ms
footer.png
67 ms
wrapper.js
145 ms
insight.min.js
27 ms
activityi;src=4053494;type=comca517;cat=comca253;ord=7828459879383.444
35 ms
wdredirection
82 ms
channel.js
44 ms
satellite-54b821693235650017530300.js
29 ms
s3545550889801
18 ms
event
17 ms
activityi;src=4053494;type=comca517;cat=xfini00h;ord=1345539246685.803
109 ms
52 ms
ajax
27 ms
ajax
24 ms
C08D3D2BE9A148BD844EF01DAFD3A426.ashx
57 ms
32 ms
ajax
28 ms
361576.gif
6 ms
18 ms
l
33 ms
dest4.html
21 ms
iFrame.html
9 ms
comcast.com accessibility score
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
comcast.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
comcast.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Comcast.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Comcast.com main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
comcast.com
Open Graph description is not detected on the main page of Comcast. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: