Report Summary

  • 4

    Performance

    Renders faster than
    20% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

concepto.ch

Concepto | développement informatique : applications web, sites Internet et logiciels desktop

Page Load Speed

7.8 sec in total

First Response

450 ms

Resources Loaded

6 sec

Page Rendered

1.4 sec

concepto.ch screenshot

About Website

Click here to check amazing Concepto content. Otherwise, check out these important facts you probably never knew about concepto.ch

Concepto (Lausanne), développement informatique d'applications web, sites internet et logiciels desktop. Une équipe flexible et polyvalente pour un service personnalisé.

Visit concepto.ch

Key Findings

We analyzed Concepto.ch page load time and found that the first response time was 450 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

concepto.ch performance score

4

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value15.4 s

0/100

25%

SI (Speed Index)

Value26.7 s

0/100

10%

TBT (Total Blocking Time)

Value12,540 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.423

23/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

Network Requests Diagram

concepto.ch

450 ms

www.concepto.ch

902 ms

font-awesome.min.css

112 ms

animate.min.css

208 ms

jquery.minicolors.css

472 ms

Our browser made a total of 111 requests to load all elements on the main page. We found that 86% of them (96 requests) were addressed to the original Concepto.ch, 8% (9 requests) were made to Fonts.gstatic.com and 2% (2 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Concepto.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 370.5 kB (7%)

Content Size

5.2 MB

After Optimization

4.8 MB

In fact, the total size of Concepto.ch main page is 5.2 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 4.6 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 53.4 kB

  • Original 62.9 kB
  • After minification 41.1 kB
  • After compression 9.6 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 21.8 kB, which is 35% 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 53.4 kB or 85% of the original size.

Image Optimization

-4%

Potential reduce by 162.5 kB

  • Original 4.6 MB
  • After minification 4.5 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. Concepto images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 60.2 kB

  • Original 211.7 kB
  • After minification 208.8 kB
  • After compression 151.4 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 60.2 kB or 28% of the original size.

CSS Optimization

-33%

Potential reduce by 94.4 kB

  • Original 287.7 kB
  • After minification 282.6 kB
  • After compression 193.3 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. Concepto.ch needs all CSS files to be minified and compressed as it can save up to 94.4 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (31%)

Requests Now

98

After Optimization

68

The browser has sent 98 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concepto. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

concepto.ch accessibility score

91

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.

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

Links do not have a discernible name

Best Practices

concepto.ch best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

concepto.ch SEO score

91

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

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

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