Report Summary

  • 21

    Performance

    Renders faster than
    41% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 65% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 76

    SEO

    Google-friendlier than
    44% of websites

mexico.seas.es

SEAS, Estudios Superiores Abiertos Online

Page Load Speed

3.9 sec in total

First Response

936 ms

Resources Loaded

2.7 sec

Page Rendered

291 ms

mexico.seas.es screenshot

About Website

Welcome to mexico.seas.es homepage info - get ready to check Mexico SEAS best content for Spain right away, or after learning these important things about mexico.seas.es

SEAS, es el centro líder en Formación 100% Online, con más de 200 cursos en áreas como infórmatica, producción, automatización, marketing digital, diseño mecánico, energías renovables... ¡Infórmate si...

Visit mexico.seas.es

Key Findings

We analyzed Mexico.seas.es page load time and found that the first response time was 936 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

mexico.seas.es performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value7.9 s

3/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value1,610 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.122

84/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

mexico.seas.es

936 ms

node.css

209 ms

defaults.css

206 ms

system.css

213 ms

system-menus.css

210 ms

Our browser made a total of 102 requests to load all elements on the main page. We found that 76% of them (78 requests) were addressed to the original Mexico.seas.es, 8% (8 requests) were made to Apis.google.com and 3% (3 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (969 ms) belongs to the original domain Mexico.seas.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 913.8 kB (58%)

Content Size

1.6 MB

After Optimization

663.4 kB

In fact, the total size of Mexico.seas.es 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. 65% of websites need less resources to load. Javascripts take 763.9 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 39.3 kB

  • Original 48.9 kB
  • After minification 47.3 kB
  • After compression 9.6 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 39.3 kB or 80% of the original size.

Image Optimization

-10%

Potential reduce by 38.5 kB

  • Original 392.7 kB
  • After minification 354.2 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. Mexico SEAS images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 526.2 kB

  • Original 763.9 kB
  • After minification 711.9 kB
  • After compression 237.7 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 526.2 kB or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 309.7 kB

  • Original 371.6 kB
  • After minification 320.8 kB
  • After compression 61.9 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. Mexico.seas.es needs all CSS files to be minified and compressed as it can save up to 309.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 63 (66%)

Requests Now

96

After Optimization

33

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mexico SEAS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

mexico.seas.es accessibility score

84

Accessibility Issues

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

High

<object> elements do not have alternate text

Best Practices

mexico.seas.es best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

mexico.seas.es SEO score

76

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

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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

    ES

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mexico.seas.es 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 Mexico.seas.es 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 Mexico SEAS. 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: