Tools & Wizards About Us

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

jw-elektronik.de

Moderne Signaltechnik - JW Elektronik OHG | Signalleuchten

Page Load Speed

3.2 sec in total

First Response

499 ms

Resources Loaded

2.6 sec

Page Rendered

92 ms

About Website

Welcome to jw-elektronik.de homepage info - get ready to check JW Elektronik best content right away, or after learning these important things about jw-elektronik.de

Ihr Hersteller und Lieferant für innovative Produkte der Signaltechnik - akustische, optische Signalgeräte, Signalleuchten, Signalsäulen, Sirenen, Ruftaster.

Visit jw-elektronik.de

Key Findings

We analyzed Jw-elektronik.de page load time and found that the first response time was 499 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

jw-elektronik.de performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

86/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.485

17/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

jw-elektronik.de

499 ms

wp-emoji-release.min.js

243 ms

styles.css

276 ms

css

23 ms

motioncss.css

368 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 88% of them (37 requests) were addressed to the original Jw-elektronik.de, 7% (3 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Jw-elektronik.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 582.1 kB (73%)

Content Size

792.7 kB

After Optimization

210.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jw-elektronik.de main page is 792.7 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 436.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 32.1 kB

  • Original 39.2 kB
  • After minification 38.2 kB
  • After compression 7.1 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. 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 32.1 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 11.2 kB

  • Original 78.0 kB
  • After minification 66.8 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. Obviously, JW Elektronik needs image optimization as it can save up to 11.2 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 329.7 kB

  • Original 436.4 kB
  • After minification 338.1 kB
  • After compression 106.7 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 329.7 kB or 76% of the original size.

CSS Optimization

-87%

Potential reduce by 209.1 kB

  • Original 239.2 kB
  • After minification 155.5 kB
  • After compression 30.1 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. Jw-elektronik.de needs all CSS files to be minified and compressed as it can save up to 209.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (86%)

Requests Now

37

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JW Elektronik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

jw-elektronik.de accessibility score

84

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

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

jw-elektronik.de best practices score

67

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

jw-elektronik.de SEO score

100

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jw-elektronik.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Jw-elektronik.de 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 JW Elektronik. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: