Tools & Wizards About Us
wirbellose.de screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

wirbellose.de

Wirbellose.de - Informationen über Wirbellose der Binnengewässer

Page Load Speed

21.5 sec in total

First Response

360 ms

Resources Loaded

20.9 sec

Page Rendered

213 ms

wirbellose.de screenshot

About Website

Click here to check amazing Wirbellose content for Germany. Otherwise, check out these important facts you probably never knew about wirbellose.de

Informationen rund um Wirbellose der Binnengewässer mit größter Artendatenbank für Wirbellose! Informationen zu Herkunft, Haltung und Zucht!

Visit wirbellose.de

Key Findings

We analyzed Wirbellose.de page load time and found that the first response time was 360 ms and then it took 21.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

wirbellose.de performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.228

55/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

wirbellose.de

360 ms

www.wirbellose.de

19213 ms

simple-line-icons.css

37 ms

k2.css

318 ms

0920920973f3763c6a3c5567153b0cb2.css

532 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 59% of them (27 requests) were addressed to the original Wirbellose.de, 28% (13 requests) were made to Embed.tawk.to and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (19.2 sec) belongs to the original domain Wirbellose.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.4 kB (7%)

Content Size

882.8 kB

After Optimization

822.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wirbellose.de main page is 882.8 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. 55% of websites need less resources to load. Images take 567.0 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 13.1 kB

  • Original 18.2 kB
  • After minification 18.1 kB
  • After compression 5.1 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 72% of the original size.

Image Optimization

-3%

Potential reduce by 16.9 kB

  • Original 567.0 kB
  • After minification 550.2 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. Wirbellose images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 26.5 kB

  • Original 229.4 kB
  • After minification 229.4 kB
  • After compression 202.9 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 26.5 kB or 12% of the original size.

CSS Optimization

-6%

Potential reduce by 3.9 kB

  • Original 68.1 kB
  • After minification 68.1 kB
  • After compression 64.2 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. Wirbellose.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (56%)

Requests Now

41

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wirbellose. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

wirbellose.de

wirbellose.de

360 ms

www.wirbellose.de

www.wirbellose.de

19213 ms

simple-line-icons.css

simple-line-icons.css

37 ms

k2.css

k2.css

318 ms

0920920973f3763c6a3c5567153b0cb2.css

0920920973f3763c6a3c5567153b0cb2.css

532 ms

font-awesome.min.css

font-awesome.min.css

315 ms

jquery.min.js

jquery.min.js

436 ms

17458186c019141c4bf934db4975bc75.js

17458186c019141c4bf934db4975bc75.js

325 ms

jquery-migrate.min.js

jquery-migrate.min.js

326 ms

k2.frontend.js

k2.frontend.js

420 ms

jquery.infinitescroll.min.js

jquery.infinitescroll.min.js

421 ms

bootstrap.min.js

bootstrap.min.js

435 ms

css

css

39 ms

zwerggarnelen.jpg

zwerggarnelen.jpg

116 ms

krebse.jpg

krebse.jpg

113 ms

schnecken.jpg

schnecken.jpg

108 ms

triops.jpg

triops.jpg

218 ms

feenkrebse_banner.png

feenkrebse_banner.png

219 ms

artemia_zchten.png

artemia_zchten.png

209 ms

garnelenfutter_kaufen.png

garnelenfutter_kaufen.png

212 ms

aq4aquaristik_banner_150x60.png

aq4aquaristik_banner_150x60.png

213 ms

Planarien-Falle.gif

Planarien-Falle.gif

221 ms

triops_kaufen.png

triops_kaufen.png

316 ms

8d00d7ae4f3b1af3be8d6d077cf2f6c4_M.jpg

8d00d7ae4f3b1af3be8d6d077cf2f6c4_M.jpg

319 ms

87c7d648151f5cd3be35a0e8c0f9fae0_M.jpg

87c7d648151f5cd3be35a0e8c0f9fae0_M.jpg

424 ms

ce0f211149265ed894355b162072b232_M.jpg

ce0f211149265ed894355b162072b232_M.jpg

329 ms

1706b33fef7712ba31cca5e36abb2536_M.jpg

1706b33fef7712ba31cca5e36abb2536_M.jpg

435 ms

9d643d0685348a1c93b6d01fecca5b83_M.jpg

9d643d0685348a1c93b6d01fecca5b83_M.jpg

544 ms

e8658cb4a1b6dba2ad4d07e8c6d174b9_M.jpg

e8658cb4a1b6dba2ad4d07e8c6d174b9_M.jpg

526 ms

gtm.js

gtm.js

71 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVQ.woff

44 ms

wXKoE3YSppcvo1PDlk_7Jec.woff

wXKoE3YSppcvo1PDlk_7Jec.woff

57 ms

default

default

115 ms

pxiLypw5ucZF-Tw4Nw.woff

pxiLypw5ucZF-Tw4Nw.woff

28 ms

twk-arr-find-polyfill.js

twk-arr-find-polyfill.js

66 ms

twk-object-values-polyfill.js

twk-object-values-polyfill.js

88 ms

twk-event-polyfill.js

twk-event-polyfill.js

71 ms

twk-entries-polyfill.js

twk-entries-polyfill.js

67 ms

twk-iterator-polyfill.js

twk-iterator-polyfill.js

87 ms

twk-promise-polyfill.js

twk-promise-polyfill.js

69 ms

twk-main.js

twk-main.js

125 ms

twk-vendor.js

twk-vendor.js

100 ms

twk-chunk-vendors.js

twk-chunk-vendors.js

99 ms

twk-chunk-common.js

twk-chunk-common.js

86 ms

twk-runtime.js

twk-runtime.js

141 ms

twk-app.js

twk-app.js

132 ms

Accessibility Review

wirbellose.de accessibility score

93

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-hidden="true"] elements contain focusable descendents

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

Best Practices

wirbellose.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

wirbellose.de SEO score

100

Search Engine Optimization Advices

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 Wirbellose.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 Wirbellose.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

wirbellose.de

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