Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

leoni.com

Wire, cable, wiring systems – LEONI

Page Load Speed

4.5 sec in total

First Response

323 ms

Resources Loaded

3.9 sec

Page Rendered

311 ms

leoni.com screenshot

About Website

Click here to check amazing LEONI content for Turkey. Otherwise, check out these important facts you probably never knew about leoni.com

LEONI is a global supplier of wires, cables and wiring systems as well as a provider of related development services. The principal customer base is the automotive industry, for which LEONI develops a...

Visit leoni.com

Key Findings

We analyzed Leoni.com page load time and found that the first response time was 323 ms and then it took 4.2 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

leoni.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value4.5 s

73/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.195

63/100

15%

TTI (Time to Interactive)

Value6.2 s

62/100

10%

Network Requests Diagram

leoni.com

323 ms

www.leoni.com

545 ms

197 ms

merged-0eb1b7c1bde746fc93941645091e73dd-24b24799f283d1692b6e4ba43ac4a520.css

103 ms

merged-42fe079bff16913c40fb2f21f2a8e613-19eaaf994d7626c014d96707ba1e0ddd.js

123 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 13% of them (6 requests) were addressed to the original Leoni.com, 47% (21 requests) were made to D3gx8i893xzz0e.cloudfront.net and 22% (10 requests) were made to Charts3.equitystory.com. The less responsive or slowest element that took the longest time to load (993 ms) relates to the external source Use.typekit.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 851.8 kB (49%)

Content Size

1.7 MB

After Optimization

878.6 kB

In fact, the total size of Leoni.com main page is 1.7 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. 60% of websites need less resources to load. Javascripts take 941.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 119.5 kB

  • Original 138.4 kB
  • After minification 110.1 kB
  • After compression 18.9 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 28.4 kB, which is 20% 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 119.5 kB or 86% of the original size.

Image Optimization

-1%

Potential reduce by 5.1 kB

  • Original 477.7 kB
  • After minification 472.7 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. LEONI images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 595.9 kB

  • Original 941.5 kB
  • After minification 937.1 kB
  • After compression 345.5 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 595.9 kB or 63% of the original size.

CSS Optimization

-76%

Potential reduce by 131.3 kB

  • Original 172.8 kB
  • After minification 168.4 kB
  • After compression 41.5 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. Leoni.com needs all CSS files to be minified and compressed as it can save up to 131.3 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (29%)

Requests Now

38

After Optimization

27

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of LEONI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

leoni.com accessibility score

68

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

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

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

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

leoni.com best practices score

75

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

High

Page has valid source maps

SEO Factors

leoni.com SEO score

77

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

High

Image elements do not have [alt] attributes

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

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 Leoni.com 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 Leoni.com 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 LEONI. 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: