Tools & Wizards About Us
grupocobra.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 69

    Accessibility

    Visual factors better than
    that of 34% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 50

    SEO

    Google-friendlier than
    19% of websites

grupocobra.com

Grupo Cobra

Page Load Speed

3.3 sec in total

First Response

458 ms

Resources Loaded

2.7 sec

Page Rendered

117 ms

grupocobra.com screenshot

About Website

Visit grupocobra.com now to see the best up-to-date Grupo Cobra content for Spain and also check out these interesting facts you probably never knew about grupocobra.com

Grupo Cobra es una empresa líder en ingeniería, construcción y mantenimiento de infraestructuras en sectores clave como energía, telecomunicaciones y medioambiente. Con presencia global y décadas de e...

Visit grupocobra.com

Key Findings

We analyzed Grupocobra.com page load time and found that the first response time was 458 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

grupocobra.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value38.1 s

0/100

25%

SI (Speed Index)

Value15.5 s

0/100

10%

TBT (Total Blocking Time)

Value3,890 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.109

87/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

grupocobra.com

458 ms

www.grupocobra.com

1082 ms

style.min.css

106 ms

jquery.min.js

4 ms

jquery.cookie.min.js

7 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 91% of them (40 requests) were addressed to the original Grupocobra.com, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Grupocobra.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 12.6 kB (2%)

Content Size

767.1 kB

After Optimization

754.5 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Grupocobra.com main page is 767.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 703.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.7 kB

  • Original 12.8 kB
  • After minification 9.7 kB
  • After compression 3.1 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 3.1 kB, which is 24% 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 9.7 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 2.9 kB

  • Original 703.5 kB
  • After minification 700.6 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. Grupo Cobra images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 51 B

  • Original 50.8 kB
  • After minification 50.8 kB
  • After compression 50.7 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 9 (21%)

Requests Now

42

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Grupo Cobra. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

grupocobra.com

grupocobra.com

458 ms

www.grupocobra.com

www.grupocobra.com

1082 ms

style.min.css

style.min.css

106 ms

jquery.min.js

jquery.min.js

4 ms

jquery.cookie.min.js

jquery.cookie.min.js

7 ms

tinyslider.js

tinyslider.js

202 ms

tinybox.js

tinybox.js

224 ms

slide6.jpg

slide6.jpg

522 ms

slide2.jpg

slide2.jpg

622 ms

slide3.jpg

slide3.jpg

622 ms

slide8.jpg

slide8.jpg

515 ms

slide1.jpg

slide1.jpg

538 ms

slide5.jpg

slide5.jpg

615 ms

slide7.jpg

slide7.jpg

712 ms

slide9.jpg

slide9.jpg

725 ms

home-ingles.jpg

home-ingles.jpg

638 ms

bg-flags.png

bg-flags.png

596 ms

es-bg.png

es-bg.png

606 ms

en-sm.png

en-sm.png

606 ms

logo.jpg

logo.jpg

617 ms

icon-search.png

icon-search.png

690 ms

bg-nav.png

bg-nav.png

695 ms

icon-home.png

icon-home.png

707 ms

icon-slider.png

icon-slider.png

711 ms

bg-slogan.png

bg-slogan.png

709 ms

world-nonews.jpg

world-nonews.jpg

813 ms

iqnet-nonews.png

iqnet-nonews.png

791 ms

9001-nonews.png

9001-nonews.png

795 ms

14001-nonews.png

14001-nonews.png

810 ms

18001-nonews.png

18001-nonews.png

813 ms

enac9312-nonews.png

enac9312-nonews.png

815 ms

enac9807-nonews.png

enac9807-nonews.png

894 ms

moncobra.png

moncobra.png

895 ms

cobrae.png

cobrae.png

914 ms

tedagua.png

tedagua.png

914 ms

cobraih.png

cobraih.png

917 ms

atilcobra.png

atilcobra.png

918 ms

humiclima.png

humiclima.png

995 ms

cobrasa.png

cobrasa.png

997 ms

serpista.png

serpista.png

1014 ms

procme.png

procme.png

1017 ms

cobra.png

cobra.png

932 ms

ga.js

ga.js

26 ms

__utm.gif

__utm.gif

10 ms

Accessibility Review

grupocobra.com accessibility score

69

Accessibility Issues

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

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

grupocobra.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

grupocobra.com SEO score

50

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

Language and Encoding

  • Language Detected

    ES

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Grupocobra.com can be misinterpreted by Google and other search engines. Our service has detected that Spanish is used on the page, and it does not match the claimed English language. Our system also found out that Grupocobra.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

grupocobra.com

Open Graph description is not detected on the main page of Grupo Cobra. 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: