Report Summary

  • 13

    Performance

    Renders faster than
    25% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

es.comcast.com

Internet, TV, teléfono, Smart Home y Security - XFINITY de Comcast

Page Load Speed

6.4 sec in total

First Response

2 sec

Resources Loaded

3.5 sec

Page Rendered

908 ms

About Website

Click here to check amazing Es Comcast content for United States. Otherwise, check out these important facts you probably never knew about es.comcast.com

Ahorra en TV Cable digital, Internet de alta velocidad y servicios de teléfono residencial. Disfruta de entretenimiento a tu manera, con grandes ofertas en Xfinity de Comcast.

Visit es.comcast.com

Key Findings

We analyzed Es.comcast.com page load time and found that the first response time was 2 sec and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

es.comcast.com performance score

13

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value18.3 s

0/100

25%

SI (Speed Index)

Value17.3 s

0/100

10%

TBT (Total Blocking Time)

Value24,660 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.126

83/100

15%

TTI (Time to Interactive)

Value57.5 s

0/100

10%

Network Requests Diagram

overview

1982 ms

runtime.6e96b5bdd544af2aa644.js

24 ms

455.b97e6c99f99361765fb9.js

1386 ms

main.11ff4a02363a265bbc0d.js

576 ms

455.ee9f7561b554f6bfddfb.css

207 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Es.comcast.com, 56% (19 requests) were made to Assets.xfinity.com and 21% (7 requests) were made to Es.xfinity.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Es.xfinity.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 339.8 kB (21%)

Content Size

1.6 MB

After Optimization

1.3 MB

In fact, the total size of Es.comcast.com main page is 1.6 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. 50% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 188.4 kB

  • Original 222.2 kB
  • After minification 221.6 kB
  • After compression 33.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 188.4 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 7.3 kB

  • Original 1.2 MB
  • After minification 1.2 MB

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. Es Comcast images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 82.9 kB

  • Original 115.5 kB
  • After minification 107.3 kB
  • After compression 32.5 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 82.9 kB or 72% of the original size.

CSS Optimization

-74%

Potential reduce by 61.1 kB

  • Original 83.0 kB
  • After minification 21.9 kB
  • After compression 21.9 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. Es.comcast.com needs all CSS files to be minified and compressed as it can save up to 61.1 kB or 74% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (17%)

Requests Now

30

After Optimization

25

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Es 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 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

es.comcast.com accessibility score

100

Accessibility Issues

Best Practices

es.comcast.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

es.comcast.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Es.comcast.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it matches the claimed language. Our system also found out that Es.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.

Social Sharing Optimization

Open Graph description is not detected on the main page of Es 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: