Report Summary

  • 40

    Performance

    Renders faster than
    59% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 73% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    34% of websites

  • 76

    SEO

    Google-friendlier than
    44% of websites

cvn.fecyt.es

CVN |

Page Load Speed

4.2 sec in total

First Response

413 ms

Resources Loaded

3.6 sec

Page Rendered

193 ms

cvn.fecyt.es screenshot

About Website

Visit cvn.fecyt.es now to see the best up-to-date CVN Fecyt content for Spain and also check out these interesting facts you probably never knew about cvn.fecyt.es

Visit cvn.fecyt.es

Key Findings

We analyzed Cvn.fecyt.es page load time and found that the first response time was 413 ms and then it took 3.8 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

cvn.fecyt.es performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.1 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.25

50/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

cvn.fecyt.es

413 ms

cvn.fecyt.es

1246 ms

system.base.css

203 ms

system.menus.css

305 ms

system.messages.css

309 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 99% of them (69 requests) were addressed to the original Cvn.fecyt.es, 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Cvn.fecyt.es.

Page Optimization Overview & Recommendations

Page size can be reduced by 428.6 kB (59%)

Content Size

721.0 kB

After Optimization

292.4 kB

In fact, the total size of Cvn.fecyt.es main page is 721.0 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. Javascripts take 269.6 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 40.6 kB

  • Original 49.0 kB
  • After minification 45.6 kB
  • After compression 8.4 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 40.6 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 15.7 kB

  • Original 205.8 kB
  • After minification 190.1 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. CVN Fecyt images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 202.5 kB

  • Original 269.6 kB
  • After minification 202.9 kB
  • After compression 67.1 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 202.5 kB or 75% of the original size.

CSS Optimization

-86%

Potential reduce by 169.7 kB

  • Original 196.5 kB
  • After minification 155.5 kB
  • After compression 26.8 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. Cvn.fecyt.es needs all CSS files to be minified and compressed as it can save up to 169.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (61%)

Requests Now

67

After Optimization

26

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CVN Fecyt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cvn.fecyt.es accessibility score

87

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Best Practices

cvn.fecyt.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

SEO Factors

cvn.fecyt.es SEO score

76

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

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 Cvn.fecyt.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 Cvn.fecyt.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 CVN Fecyt. 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: