Tools & Wizards About Us
olsx.lu screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

olsx.lu

OLSx | Chiptuning File service | Tuning files | Tools, training and marketing

Page Load Speed

2.9 sec in total

First Response

41 ms

Resources Loaded

2.4 sec

Page Rendered

405 ms

olsx.lu screenshot

About Website

Click here to check amazing OLSx content. Otherwise, check out these important facts you probably never knew about olsx.lu

Supplier of master or slave files for all petrol and diesel vehicles dedicated to ecu tuning professionals. Custom remapped files and mappacks compatible with EVC Winols software. Files tested on dyno...

Visit olsx.lu

Key Findings

We analyzed Olsx.lu page load time and found that the first response time was 41 ms and then it took 2.8 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

olsx.lu performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value10.5 s

7/100

10%

TBT (Total Blocking Time)

Value5,670 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.091

92/100

15%

TTI (Time to Interactive)

Value28.9 s

0/100

10%

Network Requests Diagram

olsx.lu

41 ms

olsx.lu

236 ms

www.olsx.lu

239 ms

80 ms

233 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 75% of them (41 requests) were addressed to the original Olsx.lu, 16% (9 requests) were made to Use.typekit.net and 2% (1 request) were made to Cdn-cookieyes.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Olsx.lu.

Page Optimization Overview & Recommendations

Page size can be reduced by 803.5 kB (12%)

Content Size

6.6 MB

After Optimization

5.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Olsx.lu main page is 6.6 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. 65% of websites need less resources to load. Images take 6.1 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 77.3 kB

  • Original 93.5 kB
  • After minification 70.5 kB
  • After compression 16.1 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 23.0 kB, which is 25% 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 77.3 kB or 83% of the original size.

Image Optimization

-11%

Potential reduce by 669.2 kB

  • Original 6.1 MB
  • After minification 5.5 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. Obviously, OLSx needs image optimization as it can save up to 669.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-13%

Potential reduce by 28.7 kB

  • Original 225.0 kB
  • After minification 225.0 kB
  • After compression 196.3 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 28.7 kB or 13% of the original size.

CSS Optimization

-21%

Potential reduce by 28.3 kB

  • Original 136.1 kB
  • After minification 136.1 kB
  • After compression 107.8 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. Olsx.lu needs all CSS files to be minified and compressed as it can save up to 28.3 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (35%)

Requests Now

34

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OLSx. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

olsx.lu

olsx.lu

41 ms

olsx.lu

olsx.lu

236 ms

www.olsx.lu

www.olsx.lu

239 ms

80 ms

233 ms

script.js

script.js

33 ms

site.4f82c49b.css

site.4f82c49b.css

88 ms

addthis_widget.js

addthis_widget.js

168 ms

log

log

546 ms

uaw4cbe.js

uaw4cbe.js

231 ms

runtime.57c6c60b.js

runtime.57c6c60b.js

127 ms

755.5a4680eb.js

755.5a4680eb.js

127 ms

354.66cf49cc.js

354.66cf49cc.js

140 ms

751.79f1e1fb.js

751.79f1e1fb.js

134 ms

site.d4af9dc1.js

site.d4af9dc1.js

134 ms

sweetalert2@11

sweetalert2@11

144 ms

logo-olsx-dark-red.629aaa5c.svg

logo-olsx-dark-red.629aaa5c.svg

284 ms

en.svg

en.svg

282 ms

hero14.png

hero14.png

336 ms

olsx-team.jpg

olsx-team.jpg

312 ms

home-fileservice-illu.png

home-fileservice-illu.png

308 ms

home-slavetools-illu.png

home-slavetools-illu.png

338 ms

home-dealerkit-illu.png

home-dealerkit-illu.png

467 ms

home-api-illu.png

home-api-illu.png

478 ms

modelgen_layer_olsx.png

modelgen_layer_olsx.png

339 ms

logo-olsx-red.svg

logo-olsx-red.svg

494 ms

logo-olsx-dark.svg

logo-olsx-dark.svg

500 ms

gb.svg

gb.svg

531 ms

paypal.svg

paypal.svg

424 ms

visa.svg

visa.svg

605 ms

mastercard.svg

mastercard.svg

648 ms

amex.svg

amex.svg

666 ms

bancontact.svg

bancontact.svg

673 ms

alipay.svg

alipay.svg

687 ms

wechatpay.svg

wechatpay.svg

718 ms

ideal.svg

ideal.svg

794 ms

sofort.svg

sofort.svg

841 ms

fr.svg

fr.svg

857 ms

de.svg

de.svg

850 ms

cn.svg

cn.svg

881 ms

Roboto-Regular.373cdbfb.woff

Roboto-Regular.373cdbfb.woff

1026 ms

Roboto-Medium.4b797552.woff

Roboto-Medium.4b797552.woff

1116 ms

Roboto-Light.921e9835.woff

Roboto-Light.921e9835.woff

1152 ms

Roboto-Thin.d6bafa3f.woff

Roboto-Thin.d6bafa3f.woff

1165 ms

Roboto-Bold.d9545f10.woff

Roboto-Bold.d9545f10.woff

1165 ms

materialdesignicons-webfont.2e62b656.woff

materialdesignicons-webfont.2e62b656.woff

1210 ms

d

d

13 ms

d

d

59 ms

d

d

37 ms

d

d

38 ms

d

d

87 ms

d

d

58 ms

d

d

59 ms

d

d

58 ms

p.gif

p.gif

40 ms

Accessibility Review

olsx.lu accessibility score

80

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

olsx.lu 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

olsx.lu SEO score

91

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

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olsx.lu 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 Olsx.lu 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

olsx.lu

Open Graph description is not detected on the main page of OLSx. 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: