Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

se-sicherheits-gmbh.de

SE Sicherheits GmbH

Page Load Speed

2 sec in total

First Response

300 ms

Resources Loaded

1.3 sec

Page Rendered

451 ms

se-sicherheits-gmbh.de screenshot

About Website

Click here to check amazing SE Sicherheits GmbH content. Otherwise, check out these important facts you probably never knew about se-sicherheits-gmbh.de

Objektschutz

Visit se-sicherheits-gmbh.de

Key Findings

We analyzed Se-sicherheits-gmbh.de page load time and found that the first response time was 300 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

se-sicherheits-gmbh.de performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

se-sicherheits-gmbh.de

300 ms

www.se-sicherheits-gmbh.de

258 ms

sites.css

102 ms

fancybox.css

97 ms

main_style.css

82 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that 25% of them (7 requests) were addressed to the original Se-sicherheits-gmbh.de, 29% (8 requests) were made to Fonts.gstatic.com and 11% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (402 ms) belongs to the original domain Se-sicherheits-gmbh.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.8 kB (16%)

Content Size

450.4 kB

After Optimization

376.6 kB

In fact, the total size of Se-sicherheits-gmbh.de main page is 450.4 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. 60% of websites need less resources to load. Javascripts take 250.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 10.7 kB

  • Original 14.9 kB
  • After minification 14.8 kB
  • After compression 4.2 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. 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 10.7 kB or 72% of the original size.

Image Optimization

-14%

Potential reduce by 19.3 kB

  • Original 140.5 kB
  • After minification 121.2 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, SE Sicherheits GmbH needs image optimization as it can save up to 19.3 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

-13%

Potential reduce by 32.2 kB

  • Original 250.1 kB
  • After minification 250.1 kB
  • After compression 218.0 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 32.2 kB or 13% of the original size.

CSS Optimization

-26%

Potential reduce by 11.6 kB

  • Original 44.8 kB
  • After minification 43.5 kB
  • After compression 33.3 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. Se-sicherheits-gmbh.de needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (56%)

Requests Now

18

After Optimization

8

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SE Sicherheits GmbH. 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 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

se-sicherheits-gmbh.de accessibility score

42

Accessibility Issues

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

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

High

Links do not have a discernible name

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

se-sicherheits-gmbh.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

se-sicherheits-gmbh.de SEO score

92

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

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Se-sicherheits-gmbh.de can be misinterpreted by Google and other search engines. Our service has detected that German 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 Se-sicherheits-gmbh.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 SE Sicherheits GmbH. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: