Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

baunetzwissen.de

Baunetz_Wissen

Page Load Speed

5.1 sec in total

First Response

482 ms

Resources Loaded

4.4 sec

Page Rendered

204 ms

baunetzwissen.de screenshot

About Website

Welcome to baunetzwissen.de homepage info - get ready to check Baunetz Wissen best content for Germany right away, or after learning these important things about baunetzwissen.de

Das einzigartige Fachportal zu Architektur und Bautechnik. Fundiertes Wissen für Architekten, Planer und Ingenieure.

Visit baunetzwissen.de

Key Findings

We analyzed Baunetzwissen.de page load time and found that the first response time was 482 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

baunetzwissen.de performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value4,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

baunetzwissen.de

482 ms

www.baunetzwissen.de

460 ms

main.css

247 ms

ir_homepage_color.css

450 ms

ir_css.css

451 ms

Our browser made a total of 83 requests to load all elements on the main page. We found that 94% of them (78 requests) were addressed to the original Baunetzwissen.de, 2% (2 requests) were made to De.ioam.de and 1% (1 request) were made to Script.ioam.de. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Baunetzwissen.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 348.3 kB (55%)

Content Size

632.6 kB

After Optimization

284.3 kB

In fact, the total size of Baunetzwissen.de main page is 632.6 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. 30% of websites need less resources to load. Javascripts take 322.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 37.6 kB

  • Original 48.4 kB
  • After minification 44.1 kB
  • After compression 10.9 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 37.6 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 2.6 kB

  • Original 163.8 kB
  • After minification 161.2 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. Baunetz Wissen images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 222.3 kB

  • Original 322.6 kB
  • After minification 298.4 kB
  • After compression 100.3 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 222.3 kB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 85.9 kB

  • Original 97.8 kB
  • After minification 74.3 kB
  • After compression 11.9 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. Baunetzwissen.de needs all CSS files to be minified and compressed as it can save up to 85.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (56%)

Requests Now

80

After Optimization

35

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Baunetz Wissen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

baunetzwissen.de accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

ARIA toggle fields do not have accessible names

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.

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

baunetzwissen.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

High

Page has valid source maps

SEO Factors

baunetzwissen.de SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Baunetzwissen.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 Baunetzwissen.de 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 Baunetz Wissen. 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: