Report Summary

  • 98

    Performance

    Renders faster than
    95% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 48% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

derenbach.net

Anja Derenbach | digitales Design - Profil

Page Load Speed

2 sec in total

First Response

344 ms

Resources Loaded

1.5 sec

Page Rendered

124 ms

derenbach.net screenshot

About Website

Click here to check amazing Derenbach content for Germany. Otherwise, check out these important facts you probably never knew about derenbach.net

Visit derenbach.net

Key Findings

We analyzed Derenbach.net page load time and found that the first response time was 344 ms and then it took 1.6 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

derenbach.net performance score

98

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.8 s

89/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

derenbach.net

344 ms

swfobject.js

323 ms

derenbach_main.css

326 ms

derenbach_menue.css

221 ms

ga.js

19 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 91% of them (20 requests) were addressed to the original Derenbach.net, 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (813 ms) belongs to the original domain Derenbach.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 19.5 kB (47%)

Content Size

41.8 kB

After Optimization

22.4 kB

In fact, the total size of Derenbach.net main page is 41.8 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. Only 10% of websites need less resources to load. Javascripts take 23.5 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 2.5 kB

  • Original 4.2 kB
  • After minification 3.7 kB
  • After compression 1.7 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. This page needs HTML code to be minified as it can gain 463 B, 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 2.5 kB or 60% of the original size.

JavaScript Optimization

-19%

Potential reduce by 4.5 kB

  • Original 23.5 kB
  • After minification 23.0 kB
  • After compression 19.1 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 4.5 kB or 19% of the original size.

CSS Optimization

-89%

Potential reduce by 12.5 kB

  • Original 14.1 kB
  • After minification 8.2 kB
  • After compression 1.6 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. Derenbach.net needs all CSS files to be minified and compressed as it can save up to 12.5 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (52%)

Requests Now

21

After Optimization

10

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derenbach. 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.

Accessibility Review

derenbach.net accessibility score

79

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

derenbach.net 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

derenbach.net SEO score

58

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

    DE

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Derenbach.net 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 Derenbach.net main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Derenbach. 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: