Tools & Wizards About Us
duocom.es screenshot

Report Summary

  • 72

    Performance

    Renders faster than
    82% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 95

    SEO

    Google-friendlier than
    90% of websites

duocom.es

Número de teléfono virtual, centralita, voIP y fax virtual |Duocom.

Page Load Speed

3 sec in total

First Response

320 ms

Resources Loaded

2.5 sec

Page Rendered

224 ms

duocom.es screenshot

About Website

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

Duocom Europe es un operador telefónico especializado en servicios de telefonía para empresas, pymes y autónomos desde el año 2000 en España, tecnología IP y telefonía convencional. Proveedor de númer...

Visit duocom.es

Key Findings

We analyzed Duocom.es page load time and found that the first response time was 320 ms and then it took 2.7 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

duocom.es performance score

72

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

66/100

25%

SI (Speed Index)

Value4.1 s

79/100

10%

TBT (Total Blocking Time)

Value170 ms

93/100

30%

CLS (Cumulative Layout Shift)

Value0.358

30/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

duocom.es

320 ms

www.duocom.es

703 ms

A.bootstrap.min.css+font-awesome.min.css+main.css+my-custom-styles.css,Mcc.n7P3iz3fZ_.css.pagespeed.cf.FkCvq7bcxY.css

311 ms

js

66 ms

jquery-2.1.1.min.js.pagespeed.jm.OH66oSK0of.js

467 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 54% of them (15 requests) were addressed to the original Duocom.es, 36% (10 requests) were made to Fonts.gstatic.com and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (720 ms) belongs to the original domain Duocom.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.3 kB (4%)

Content Size

441.6 kB

After Optimization

423.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duocom.es main page is 441.6 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. 35% of websites need less resources to load. Images take 310.3 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 17.3 kB

  • Original 24.3 kB
  • After minification 22.0 kB
  • After compression 7.0 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 17.3 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 310.3 kB
  • After minification 310.3 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. Duocom images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 695 B

  • Original 62.3 kB
  • After minification 62.3 kB
  • After compression 61.6 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.

CSS Optimization

-1%

Potential reduce by 346 B

  • Original 44.8 kB
  • After minification 44.8 kB
  • After compression 44.4 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. Duocom.es has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (27%)

Requests Now

15

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 15 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duocom. 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

duocom.es

duocom.es

320 ms

www.duocom.es

www.duocom.es

703 ms

A.bootstrap.min.css+font-awesome.min.css+main.css+my-custom-styles.css,Mcc.n7P3iz3fZ_.css.pagespeed.cf.FkCvq7bcxY.css

A.bootstrap.min.css+font-awesome.min.css+main.css+my-custom-styles.css,Mcc.n7P3iz3fZ_.css.pagespeed.cf.FkCvq7bcxY.css

311 ms

js

js

66 ms

jquery-2.1.1.min.js.pagespeed.jm.OH66oSK0of.js

jquery-2.1.1.min.js.pagespeed.jm.OH66oSK0of.js

467 ms

bootstrap.min.js+plugins,_slick,_slick.min.js+plugins,_stellar,_jquery.stellar.min.js.pagespeed.jc.0n5a4jLho3.js

bootstrap.min.js+plugins,_slick,_slick.min.js+plugins,_stellar,_jquery.stellar.min.js.pagespeed.jc.0n5a4jLho3.js

466 ms

plugins,_jquery-easypiechart,_jquery.easypiechart.min.js+plugins,_autohidingnavbar,_jquery.bootstrap-autohidingnavbar.min.js+repute-scripts.js.pagespeed.jc.1_M4Pyyhsd.js

plugins,_jquery-easypiechart,_jquery.easypiechart.min.js+plugins,_autohidingnavbar,_jquery.bootstrap-autohidingnavbar.min.js+repute-scripts.js.pagespeed.jc.1_M4Pyyhsd.js

395 ms

webfont.js

webfont.js

131 ms

xrepute-logo-nav.png.pagespeed.ic.gAhZX5p2cB.png

xrepute-logo-nav.png.pagespeed.ic.gAhZX5p2cB.png

272 ms

slider3-h500.jpg.pagespeed.ce.4M4i2QEFPs.jpg

slider3-h500.jpg.pagespeed.ce.4M4i2QEFPs.jpg

488 ms

slider2-h500.jpg.pagespeed.ce.Emm-m0C3mU.jpg

slider2-h500.jpg.pagespeed.ce.Emm-m0C3mU.jpg

476 ms

xslider1-h500.jpg.pagespeed.ic.dDjQcDQw3I.jpg

xslider1-h500.jpg.pagespeed.ic.dDjQcDQw3I.jpg

480 ms

intro-img.jpg.pagespeed.ce.GXSv6d94te.jpg

intro-img.jpg.pagespeed.ce.GXSv6d94te.jpg

720 ms

xpartner.jpg.pagespeed.ic.GQn1XVS4xx.jpg

xpartner.jpg.pagespeed.ic.GQn1XVS4xx.jpg

522 ms

xrepute-logo-light.png.pagespeed.ic.4UZE0l-hV3.png

xrepute-logo-light.png.pagespeed.ic.4UZE0l-hV3.png

552 ms

css

css

50 ms

bx_loader.gif,q1377966586.pagespeed.ce.kxvba1CBaw.gif

bx_loader.gif,q1377966586.pagespeed.ce.kxvba1CBaw.gif

343 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

499 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

24 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

35 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

47 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

61 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyWyosBO5Xk.ttf

62 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyXsosBO5Xk.ttf

61 ms

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBO5Xk.ttf

ieVo2ZhZI2eCN5jzbjEETS9weq8-_d6T_POl0fRJeyVVpcBO5Xk.ttf

59 ms

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

memQYaGs126MiZpBA-UFUIcVXSCEkx2cmqvXlWq8tWZ0Pw86hd0Rk8ZkWVAexQ.ttf

59 ms

ieVW2ZhZI2eCN5jzbjEETS9weq8-19ehAyvMum7nfDB64UYK1X5pKQ.ttf

ieVW2ZhZI2eCN5jzbjEETS9weq8-19ehAyvMum7nfDB64UYK1X5pKQ.ttf

60 ms

ieVW2ZhZI2eCN5jzbjEETS9weq8-19ehAyvMum7nfDB64RgK1X5pKQ.ttf

ieVW2ZhZI2eCN5jzbjEETS9weq8-19ehAyvMum7nfDB64RgK1X5pKQ.ttf

62 ms

Accessibility Review

duocom.es accessibility score

81

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

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

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

Best Practices

duocom.es best practices score

67

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

duocom.es SEO score

95

Search Engine Optimization Advices

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 Duocom.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 Duocom.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

duocom.es

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