Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

sab-hamburg.de

Netzersatzanlagen und Sicherheitsstromanlagen zur Energieversorgung

Page Load Speed

4.4 sec in total

First Response

416 ms

Resources Loaded

3.4 sec

Page Rendered

521 ms

sab-hamburg.de screenshot

About Website

Visit sab-hamburg.de now to see the best up-to-date Sab Hamburg content and also check out these interesting facts you probably never knew about sab-hamburg.de

SAB Standard Aggregatebau fertigt stationäre und mobile Sicherheitsstromanlagen, Netzersatzanlagen und Kraftwerksanlagen für die Energieversorgung

Visit sab-hamburg.de

Key Findings

We analyzed Sab-hamburg.de page load time and found that the first response time was 416 ms and then it took 4 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

sab-hamburg.de performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

59/100

10%

LCP (Largest Contentful Paint)

Value17.8 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.38

27/100

15%

TTI (Time to Interactive)

Value6.8 s

55/100

10%

Network Requests Diagram

sab-hamburg.de

416 ms

324 ms

template.min.css

131 ms

settings.css

277 ms

dynamic-captions.css

335 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that all of those requests were addressed to Sab-hamburg.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Sab-hamburg.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 68.2 kB (1%)

Content Size

5.3 MB

After Optimization

5.2 MB

In fact, the total size of Sab-hamburg.de main page is 5.3 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. 45% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 59.0 kB

  • Original 66.0 kB
  • After minification 39.3 kB
  • After compression 7.0 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 26.7 kB, which is 40% 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 59.0 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 768 B

  • Original 4.9 MB
  • After minification 4.9 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. Sab Hamburg images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 450 B

  • Original 160.2 kB
  • After minification 160.2 kB
  • After compression 159.8 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

-6%

Potential reduce by 8.0 kB

  • Original 126.5 kB
  • After minification 126.4 kB
  • After compression 118.5 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. Sab-hamburg.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (54%)

Requests Now

35

After Optimization

16

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sab Hamburg. 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 from 13 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sab-hamburg.de accessibility score

93

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

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

Links do not have a discernible name

Best Practices

sab-hamburg.de 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

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

sab-hamburg.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 Sab-hamburg.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 Sab-hamburg.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 Sab Hamburg. 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: