Report Summary

  • 71

    Performance

    Renders faster than
    82% 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

  • 85

    SEO

    Google-friendlier than
    56% of websites

contec.ch

Welcome | Contec AG

Page Load Speed

6.4 sec in total

First Response

1.2 sec

Resources Loaded

5 sec

Page Rendered

244 ms

contec.ch screenshot

About Website

Welcome to contec.ch homepage info - get ready to check Contec best content for Switzerland right away, or after learning these important things about contec.ch

Contec is rubber, greening, energy, water. This with system and in a diversity that you can help to shape.

Visit contec.ch

Key Findings

We analyzed Contec.ch page load time and found that the first response time was 1.2 sec and then it took 5.2 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

contec.ch performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value110 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value3.9 s

88/100

10%

Network Requests Diagram

1222 ms

jquery.sidr.contec.css

181 ms

normalize.min.css

185 ms

main.css

276 ms

jquery-1.9.1.js

734 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 74% of them (20 requests) were addressed to the original Contec.ch, 11% (3 requests) were made to Weloveiconfonts.com and 11% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Contec.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 555.8 kB (15%)

Content Size

3.8 MB

After Optimization

3.2 MB

In fact, the total size of Contec.ch main page is 3.8 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. 35% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 19.5 kB

  • Original 23.5 kB
  • After minification 20.9 kB
  • After compression 4.0 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. This page needs HTML code to be minified as it can gain 2.6 kB, which is 11% 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 19.5 kB or 83% of the original size.

Image Optimization

-5%

Potential reduce by 147.8 kB

  • Original 3.2 MB
  • After minification 3.1 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. Contec images are well optimized though.

JavaScript Optimization

-77%

Potential reduce by 336.1 kB

  • Original 436.4 kB
  • After minification 281.7 kB
  • After compression 100.3 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 336.1 kB or 77% of the original size.

CSS Optimization

-84%

Potential reduce by 52.3 kB

  • Original 62.1 kB
  • After minification 43.9 kB
  • After compression 9.8 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. Contec.ch needs all CSS files to be minified and compressed as it can save up to 52.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (52%)

Requests Now

23

After Optimization

11

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Contec. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

contec.ch accessibility score

95

Accessibility Issues

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

contec.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

SEO Factors

contec.ch SEO score

85

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Contec.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Contec.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 data is detected on the main page of Contec. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: