Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

rsn.com.mx

Grupo RSN | Grupo RSN

Page Load Speed

447 ms in total

First Response

142 ms

Resources Loaded

217 ms

Page Rendered

88 ms

rsn.com.mx screenshot

About Website

Visit rsn.com.mx now to see the best up-to-date RSN content and also check out these interesting facts you probably never knew about rsn.com.mx

Visit rsn.com.mx

Key Findings

We analyzed Rsn.com.mx page load time and found that the first response time was 142 ms and then it took 305 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

rsn.com.mx performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value23.9 s

0/100

25%

SI (Speed Index)

Value13.3 s

2/100

10%

TBT (Total Blocking Time)

Value950 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.058

98/100

15%

TTI (Time to Interactive)

Value21.3 s

2/100

10%

Network Requests Diagram

rsn.com.mx

142 ms

rsn.png

69 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Rsn.com.mx and no external sources were called. The less responsive or slowest element that took the longest time to load (142 ms) belongs to the original domain Rsn.com.mx.

Page Optimization Overview & Recommendations

Page size can be reduced by 5.7 kB (36%)

Content Size

15.6 kB

After Optimization

9.9 kB

In fact, the total size of Rsn.com.mx main page is 15.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 15.2 kB which makes up the majority of the site volume.

HTML Optimization

-33%

Potential reduce by 148 B

  • Original 445 B
  • After minification 434 B
  • After compression 297 B

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 148 B or 33% of the original size.

Image Optimization

-36%

Potential reduce by 5.5 kB

  • Original 15.2 kB
  • After minification 9.6 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. Obviously, RSN needs image optimization as it can save up to 5.5 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RSN. According to our analytics all requests are already optimized.

Accessibility Review

rsn.com.mx accessibility score

54

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

rsn.com.mx best practices score

69

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

rsn.com.mx SEO score

82

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

Image elements do not have [alt] attributes

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rsn.com.mx can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Rsn.com.mx 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 RSN. 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: