Report Summary

  • 80

    Performance

    Renders faster than
    86% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

crdf.fr

CRDF Labs \ IT security \ Independent laboratory

Page Load Speed

4.3 sec in total

First Response

342 ms

Resources Loaded

2.6 sec

Page Rendered

1.4 sec

crdf.fr screenshot

About Website

Visit crdf.fr now to see the best up-to-date CRDF content for Colombia and also check out these interesting facts you probably never knew about crdf.fr

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Key Findings

We analyzed Crdf.fr page load time and found that the first response time was 342 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

crdf.fr performance score

80

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.6 s

97/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

crdf.fr

342 ms

www.crdf.fr

531 ms

icons.css

164 ms

bootstrap.min.css

399 ms

style.css

241 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 98% of them (50 requests) were addressed to the original Crdf.fr, 2% (1 request) were made to Piwik.crdf.fr. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Crdf.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 563.8 kB (16%)

Content Size

3.5 MB

After Optimization

3.0 MB

In fact, the total size of Crdf.fr main page is 3.5 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. 45% of websites need less resources to load. Images take 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 16.9 kB

  • Original 23.7 kB
  • After minification 23.6 kB
  • After compression 6.8 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 16.9 kB or 71% of the original size.

Image Optimization

-6%

Potential reduce by 196.4 kB

  • Original 3.0 MB
  • After minification 2.8 MB

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. CRDF images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 192.2 kB

  • Original 279.9 kB
  • After minification 266.0 kB
  • After compression 87.7 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 192.2 kB or 69% of the original size.

CSS Optimization

-84%

Potential reduce by 158.3 kB

  • Original 188.8 kB
  • After minification 170.9 kB
  • After compression 30.6 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. Crdf.fr needs all CSS files to be minified and compressed as it can save up to 158.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (43%)

Requests Now

46

After Optimization

26

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CRDF. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

crdf.fr accessibility score

95

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.

Best Practices

crdf.fr best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

crdf.fr SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Crdf.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Crdf.fr 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 CRDF. 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: