Tools & Wizards About Us

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

vialibre-ffe.com

Portada - Revista VÍA LIBRE - Fundación de los Ferrocarriles Españoles

Page Load Speed

4.7 sec in total

First Response

360 ms

Resources Loaded

4.1 sec

Page Rendered

287 ms

About Website

Visit vialibre-ffe.com now to see the best up-to-date Via LIBRE Ffe content for Spain and also check out these interesting facts you probably never knew about vialibre-ffe.com

VÍA LIBRE, editada por la Fundación de los Ferrocarriles Españoles, es una revista de carácter especializado dedicada al mundo del ferrocarril. La publicación tiene versión impresa y digital con conte...

Visit vialibre-ffe.com

Key Findings

We analyzed Vialibre-ffe.com page load time and found that the first response time was 360 ms 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

vialibre-ffe.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value3.8 s

56/100

25%

SI (Speed Index)

Value11.0 s

6/100

10%

TBT (Total Blocking Time)

Value1,250 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.186

66/100

15%

TTI (Time to Interactive)

Value17.4 s

4/100

10%

Network Requests Diagram

vialibre-ffe.com

360 ms

vialibre-ffe.com

869 ms

cookie-consent.js

342 ms

js

57 ms

bootstrap.min.css

456 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 78% of them (86 requests) were addressed to the original Vialibre-ffe.com, 16% (18 requests) were made to Platform.twitter.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Vialibre-ffe.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 448.3 kB (40%)

Content Size

1.1 MB

After Optimization

673.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vialibre-ffe.com main page is 1.1 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. 55% of websites need less resources to load. Images take 575.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 72.0 kB

  • Original 88.2 kB
  • After minification 76.2 kB
  • After compression 16.2 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 12.0 kB, which is 14% 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 72.0 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 36.6 kB

  • Original 575.1 kB
  • After minification 538.5 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. Via LIBRE Ffe images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 243.3 kB

  • Original 342.9 kB
  • After minification 340.0 kB
  • After compression 99.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 243.3 kB or 71% of the original size.

CSS Optimization

-84%

Potential reduce by 96.4 kB

  • Original 115.2 kB
  • After minification 111.6 kB
  • After compression 18.8 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. Vialibre-ffe.com needs all CSS files to be minified and compressed as it can save up to 96.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (28%)

Requests Now

83

After Optimization

60

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 83 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Via LIBRE Ffe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

vialibre-ffe.com accessibility score

88

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

vialibre-ffe.com best practices score

58

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

vialibre-ffe.com SEO score

98

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

    N/A

  • Language Claimed

    ES

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vialibre-ffe.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Spanish. Our system also found out that Vialibre-ffe.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Via LIBRE Ffe. 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: