Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 81% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

bosch-sicherheitssysteme.de

Home | Bosch Energy and Building Solutions Deutschland

Page Load Speed

3.9 sec in total

First Response

335 ms

Resources Loaded

2.5 sec

Page Rendered

1 sec

bosch-sicherheitssysteme.de screenshot

About Website

Welcome to bosch-sicherheitssysteme.de homepage info - get ready to check Bosch Sicherheitssysteme best content right away, or after learning these important things about bosch-sicherheitssysteme.de

Bosch Energy and Building Solutions: Wir sind als Errichter von Bosch Building Technologies Ihr Partner für Sicherheitssysteme und sorgen für Komfort und Effizienz in Ihren kommerziellen Gebäuden

Visit bosch-sicherheitssysteme.de

Key Findings

We analyzed Bosch-sicherheitssysteme.de page load time and found that the first response time was 335 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bosch-sicherheitssysteme.de performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

bosch-sicherheitssysteme.de

335 ms

1025 ms

gtm.js

64 ms

main.css

1042 ms

custom.css

428 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 6% of them (1 request) were addressed to the original Bosch-sicherheitssysteme.de, 53% (9 requests) were made to Boschbuildingsolutions.com and 29% (5 requests) were made to Btm.bosch.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Boschbuildingsolutions.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (72%)

Content Size

1.4 MB

After Optimization

406.8 kB

In fact, the total size of Bosch-sicherheitssysteme.de main page is 1.4 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. 40% of websites need less resources to load. CSS take 897.2 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 191.9 kB

  • Original 211.7 kB
  • After minification 211.1 kB
  • After compression 19.7 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 191.9 kB or 91% of the original size.

JavaScript Optimization

-22%

Potential reduce by 74.1 kB

  • Original 332.7 kB
  • After minification 332.7 kB
  • After compression 258.5 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 74.1 kB or 22% of the original size.

CSS Optimization

-86%

Potential reduce by 768.7 kB

  • Original 897.2 kB
  • After minification 890.9 kB
  • After compression 128.5 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. Bosch-sicherheitssysteme.de needs all CSS files to be minified and compressed as it can save up to 768.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (82%)

Requests Now

11

After Optimization

2

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bosch Sicherheitssysteme. 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 from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bosch-sicherheitssysteme.de accessibility score

93

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

Image elements do not have [alt] attributes

Best Practices

bosch-sicherheitssysteme.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

bosch-sicherheitssysteme.de SEO score

93

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

Image elements do not have [alt] attributes

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 Bosch-sicherheitssysteme.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 Bosch-sicherheitssysteme.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 Bosch Sicherheitssysteme. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: