Tools & Wizards About Us
bszwillbrock.de screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    70% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

bszwillbrock.de

Biologische Station Zwillbrock: Biologische Station Zwillbrock

Page Load Speed

3.7 sec in total

First Response

1.3 sec

Resources Loaded

2.2 sec

Page Rendered

196 ms

bszwillbrock.de screenshot

About Website

Welcome to bszwillbrock.de homepage info - get ready to check Bs Zwillbrock best content right away, or after learning these important things about bszwillbrock.de

Biologische Station Zwillbrock (Kreis Borken): Naturschutz, Schutzgebietsbetreuung, Bildungswerk und Veranstaltungen, Schäferei Moorhof (Moorschnucken/Bioland-Schaffleisch) und Tourismus

Visit bszwillbrock.de

Key Findings

We analyzed Bszwillbrock.de page load time and found that the first response time was 1.3 sec and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

bszwillbrock.de performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value460 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

bszwillbrock.de

1274 ms

stylesheet_daca1d4978.css

494 ms

javascript_a708894199.js

299 ms

default.css

296 ms

skins.css

291 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to Bszwillbrock.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Bszwillbrock.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.7 kB (41%)

Content Size

187.5 kB

After Optimization

110.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bszwillbrock.de main page is 187.5 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. 15% of websites need less resources to load. Images take 120.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 13.1 kB

  • Original 17.4 kB
  • After minification 16.3 kB
  • After compression 4.3 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 13.1 kB or 75% of the original size.

Image Optimization

-19%

Potential reduce by 22.7 kB

  • Original 120.9 kB
  • After minification 98.2 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, Bs Zwillbrock needs image optimization as it can save up to 22.7 kB or 19% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-52%

Potential reduce by 498 B

  • Original 951 B
  • After minification 926 B
  • After compression 453 B

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 498 B or 52% of the original size.

CSS Optimization

-84%

Potential reduce by 40.4 kB

  • Original 48.3 kB
  • After minification 36.4 kB
  • After compression 7.9 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. Bszwillbrock.de needs all CSS files to be minified and compressed as it can save up to 40.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (27%)

Requests Now

30

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bs Zwillbrock. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bszwillbrock.de

bszwillbrock.de

1274 ms

stylesheet_daca1d4978.css

stylesheet_daca1d4978.css

494 ms

javascript_a708894199.js

javascript_a708894199.js

299 ms

default.css

default.css

296 ms

skins.css

skins.css

291 ms

news.css

news.css

203 ms

default_1spalte.css

default_1spalte.css

200 ms

default.css

default.css

196 ms

skins.css

skins.css

103 ms

news.css

news.css

194 ms

default_1spalte.css

default_1spalte.css

198 ms

facebook_header.png

facebook_header.png

215 ms

arrow_menu.gif

arrow_menu.gif

213 ms

logo_snrw.gif

logo_snrw.gif

227 ms

soebbeke.gif

soebbeke.gif

381 ms

42d03b8c7c.jpg

42d03b8c7c.jpg

290 ms

clear.gif

clear.gif

291 ms

a9bd037b3f.jpg

a9bd037b3f.jpg

386 ms

8a3fbaa070.jpg

8a3fbaa070.jpg

384 ms

ed752b06b6.jpg

ed752b06b6.jpg

293 ms

d32f71694b.jpg

d32f71694b.jpg

389 ms

13c7cb8699.jpg

13c7cb8699.jpg

483 ms

7206a66e4f.jpg

7206a66e4f.jpg

391 ms

RTEmagicC_container_frosch_rand_transparent_01.jpg.jpg

RTEmagicC_container_frosch_rand_transparent_01.jpg.jpg

568 ms

facebookbutton.jpg

facebookbutton.jpg

488 ms

kopfbalken_gruen.jpg

kopfbalken_gruen.jpg

384 ms

logo_gruen.jpg

logo_gruen.jpg

383 ms

lupe.gif

lupe.gif

289 ms

streifen_gruen.jpg

streifen_gruen.jpg

382 ms

totop.jpg

totop.jpg

381 ms

drucken.jpg

drucken.jpg

386 ms

Accessibility Review

bszwillbrock.de accessibility score

84

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

bszwillbrock.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

bszwillbrock.de SEO score

83

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

High

robots.txt is not valid

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

High

Tap targets are not sized appropriately

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 Bszwillbrock.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 Bszwillbrock.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

bszwillbrock.de

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