Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

schalk.de

Schalk Steuerungstechnik GmbH - Schalk Steuerungstechnik GmbH

Page Load Speed

3 sec in total

First Response

317 ms

Resources Loaded

2.4 sec

Page Rendered

210 ms

schalk.de screenshot

About Website

Visit schalk.de now to see the best up-to-date Schalk content for Germany and also check out these interesting facts you probably never knew about schalk.de

Electronic control components for building services and industrial automation - made in Germany (mains-field disconnector, remote switch, wireless wire, control relay, pules switch, radio controlled s...

Visit schalk.de

Key Findings

We analyzed Schalk.de page load time and found that the first response time was 317 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

schalk.de performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value5.3 s

22/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.035

100/100

15%

TTI (Time to Interactive)

Value6.2 s

63/100

10%

Network Requests Diagram

schalk.de

317 ms

schalk.de

477 ms

www.schalk.de

587 ms

startpage.html

220 ms

css

27 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 72% of them (18 requests) were addressed to the original Schalk.de, 8% (2 requests) were made to Ssl.google-analytics.com and 8% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (587 ms) belongs to the original domain Schalk.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.9 kB (11%)

Content Size

439.3 kB

After Optimization

389.4 kB

In fact, the total size of Schalk.de main page is 439.3 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. 25% of websites need less resources to load. Images take 327.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 25.0 kB

  • Original 31.4 kB
  • After minification 28.0 kB
  • After compression 6.4 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 3.4 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 25.0 kB or 80% of the original size.

Image Optimization

-6%

Potential reduce by 18.4 kB

  • Original 327.5 kB
  • After minification 309.1 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. Schalk images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.3 kB

  • Original 42.8 kB
  • After minification 42.8 kB
  • After compression 41.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-14%

Potential reduce by 5.1 kB

  • Original 37.6 kB
  • After minification 37.6 kB
  • After compression 32.4 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. Schalk.de needs all CSS files to be minified and compressed as it can save up to 5.1 kB or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (29%)

Requests Now

17

After Optimization

12

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Schalk. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

schalk.de accessibility score

83

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

Buttons do not have an accessible name

High

Form elements do not have associated labels

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

Best Practices

schalk.de 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

SEO Factors

schalk.de SEO score

90

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Schalk.de 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 Schalk.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 description is not detected on the main page of Schalk. 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: