Tools & Wizards About Us

Report Summary

  • 76

    Performance

    Renders faster than
    84% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

saelzer.com

Sälzer Electric GmbH - Innovation. Technology. Quality.

Page Load Speed

2.2 sec in total

First Response

254 ms

Resources Loaded

1.9 sec

Page Rendered

85 ms

About Website

Welcome to saelzer.com homepage info - get ready to check Saelzer best content right away, or after learning these important things about saelzer.com

Schaltgerte von Slzer: Sälzer Electric entwickelt und produziert Niederspannungsschaltgeräte, spezialisiert auf Lasttrennschalter und Nockenschalter. Durch die beliebige Kombinierbarkeit unserer Modul...

Visit saelzer.com

Key Findings

We analyzed Saelzer.com page load time and found that the first response time was 254 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

saelzer.com performance score

76

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value3.5 s

88/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

saelzer.com

254 ms

saelzer.com

392 ms

www.saelzer.com

496 ms

saelzer.css

188 ms

uc.js

31 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 88% of them (23 requests) were addressed to the original Saelzer.com, 8% (2 requests) were made to Ssl.google-analytics.com and 4% (1 request) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (496 ms) belongs to the original domain Saelzer.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 143.7 kB (47%)

Content Size

306.3 kB

After Optimization

162.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Saelzer.com main page is 306.3 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. 15% of websites need less resources to load. Javascripts take 130.3 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 8.6 kB

  • Original 11.8 kB
  • After minification 10.0 kB
  • After compression 3.2 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 1.8 kB, which is 15% 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 8.6 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 3.5 kB

  • Original 114.3 kB
  • After minification 110.8 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. Saelzer images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 87.9 kB

  • Original 130.3 kB
  • After minification 130.3 kB
  • After compression 42.4 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 87.9 kB or 67% of the original size.

CSS Optimization

-88%

Potential reduce by 43.7 kB

  • Original 49.8 kB
  • After minification 42.3 kB
  • After compression 6.1 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. Saelzer.com needs all CSS files to be minified and compressed as it can save up to 43.7 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (22%)

Requests Now

23

After Optimization

18

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

Accessibility Review

saelzer.com 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.

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

Best Practices

saelzer.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

saelzer.com SEO score

67

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

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 Saelzer.com 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 Saelzer.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 Saelzer. 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: