Tools & Wizards About Us
dennerle.eu screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    57% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

dennerle.eu

Natur erleben - Mit den Dennerle Aquarium Systemen

Page Load Speed

2.8 sec in total

First Response

291 ms

Resources Loaded

2.1 sec

Page Rendered

362 ms

dennerle.eu screenshot

About Website

Click here to check amazing Dennerle content. Otherwise, check out these important facts you probably never knew about dennerle.eu

Natur erleben - Dennerle GmbH blickt auf 40 Jahre Erfahrung zurück und bietet Produkte für die Aquaristik und den Gartenteich, die mehr können, als nur Symptome zu bekämpfen.

Visit dennerle.eu

Key Findings

We analyzed Dennerle.eu page load time and found that the first response time was 291 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

dennerle.eu performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.1 s

0/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value340 ms

74/100

30%

CLS (Cumulative Layout Shift)

Value0.1

90/100

15%

TTI (Time to Interactive)

Value14.3 s

9/100

10%

Network Requests Diagram

dennerle.eu

291 ms

329 ms

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

100 ms

css_UPvtNKmydpAaykkGIiLZRY0BeOJurCxzbf53LwPNugI.css

198 ms

css_z8y0APD7mY6Q-FWI9jCocOoyIjWUKNwaQ5szHgchmm8.css

201 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dennerle.eu, 48% (31 requests) were made to Dennerle.com and 12% (8 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Dennerle.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 421.8 kB (13%)

Content Size

3.3 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dennerle.eu main page is 3.3 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 65% of websites need less resources to load. Images take 2.8 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 38.7 kB

  • Original 50.5 kB
  • After minification 50.2 kB
  • After compression 11.8 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 38.7 kB or 77% of the original size.

Image Optimization

-4%

Potential reduce by 100.3 kB

  • Original 2.8 MB
  • After minification 2.7 MB

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. Dennerle images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 180.0 kB

  • Original 277.7 kB
  • After minification 251.6 kB
  • After compression 97.7 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 180.0 kB or 65% of the original size.

CSS Optimization

-80%

Potential reduce by 102.7 kB

  • Original 127.7 kB
  • After minification 124.6 kB
  • After compression 25.0 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. Dennerle.eu needs all CSS files to be minified and compressed as it can save up to 102.7 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (52%)

Requests Now

60

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dennerle. 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 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dennerle.eu

dennerle.eu

291 ms

329 ms

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

css_pbm0lsQQJ7A7WCCIMgxLho6mI_kBNgznNUWmTWcnfoE.css

100 ms

css_UPvtNKmydpAaykkGIiLZRY0BeOJurCxzbf53LwPNugI.css

css_UPvtNKmydpAaykkGIiLZRY0BeOJurCxzbf53LwPNugI.css

198 ms

css_z8y0APD7mY6Q-FWI9jCocOoyIjWUKNwaQ5szHgchmm8.css

css_z8y0APD7mY6Q-FWI9jCocOoyIjWUKNwaQ5szHgchmm8.css

201 ms

css_nWYmYAEnBXtUxgk9lObX0fRnk9Mr5_UCz3q3D0syfdQ.css

css_nWYmYAEnBXtUxgk9lObX0fRnk9Mr5_UCz3q3D0syfdQ.css

201 ms

head.js

head.js

200 ms

plusone.js

plusone.js

78 ms

jquery.min.js

jquery.min.js

45 ms

js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js

js_xAPl0qIk9eowy_iS9tNkCWXLUVoat94SQT48UBCFkyQ.js

324 ms

js_H11XRNyGYkBS-UCjpnvhDITIE3L2-Z84EpmXo1YFw0A.js

js_H11XRNyGYkBS-UCjpnvhDITIE3L2-Z84EpmXo1YFw0A.js

305 ms

js_qFcnkdCAokRRvM-71Y7roI5y8sxjfejiouSCfu9iM0c.js

js_qFcnkdCAokRRvM-71Y7roI5y8sxjfejiouSCfu9iM0c.js

403 ms

widgets.js

widgets.js

73 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

51 ms

bg.png

bg.png

117 ms

aquarium.png

aquarium.png

1093 ms

logo.png

logo.png

117 ms

iconsprite.png

iconsprite.png

325 ms

stoerer-shop.png

stoerer-shop.png

168 ms

header_marinus.jpg

header_marinus.jpg

409 ms

keyvis_image_1.jpg

keyvis_image_1.jpg

509 ms

AQ_Aquascaping_878x279.jpg

AQ_Aquascaping_878x279.jpg

411 ms

N_Nano-image.jpg

N_Nano-image.jpg

326 ms

5548_ps_trocal_led_retro-fit-kit.png

5548_ps_trocal_led_retro-fit-kit.png

433 ms

3403_PS_I1_PhosphateEx_500g_s.jpg

3403_PS_I1_PhosphateEx_500g_s.jpg

433 ms

3111_pa_i1_carboelixierbio_250ml.png

3111_pa_i1_carboelixierbio_250ml.png

603 ms

AQ_Beleuchtung_TROCAL_LED_878x279.jpg

AQ_Beleuchtung_TROCAL_LED_878x279.jpg

508 ms

6900_ps_i2_naturkies_plantahunter_colorado_12-15mm.png

6900_ps_i2_naturkies_plantahunter_colorado_12-15mm.png

618 ms

5550_trocal_led_diagonal.jpg

5550_trocal_led_diagonal.jpg

525 ms

messe_magdeburg2.png

messe_magdeburg2.png

703 ms

img_9510_-_kopie.jpg

img_9510_-_kopie.jpg

606 ms

Carbo.png

Carbo.png

733 ms

plantahunter.png

plantahunter.png

700 ms

DINWebPro.woff

DINWebPro.woff

704 ms

DINWebPro-Black.woff

DINWebPro-Black.woff

732 ms

modernpics-webfont.woff

modernpics-webfont.woff

798 ms

like.php

like.php

157 ms

ga.js

ga.js

43 ms

button.0308b81ff1714e446f674b5b9793f2cd.js

button.0308b81ff1714e446f674b5b9793f2cd.js

48 ms

cb=gapi.loaded_1

cb=gapi.loaded_1

39 ms

cb=gapi.loaded_2

cb=gapi.loaded_2

43 ms

subscribe_embed

subscribe_embed

125 ms

__utm.gif

__utm.gif

40 ms

qeKvIRsJabD.js

qeKvIRsJabD.js

64 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

59 ms

postmessageRelay

postmessageRelay

58 ms

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.de.html

tweet_button.b9740740e0bcf9b0657c5b11bd4388da.de.html

29 ms

3193398744-postmessagerelay.js

3193398744-postmessagerelay.js

70 ms

rpc:shindig_random.js

rpc:shindig_random.js

31 ms

www-subscribe-embed-vflWJjAep.css

www-subscribe-embed-vflWJjAep.css

53 ms

www-subscribe-embed.js

www-subscribe-embed.js

75 ms

www-hitchhiker-vfluKv9vH.png

www-hitchhiker-vfluKv9vH.png

37 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

22 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

11 ms

jot

jot

88 ms

cb=gapi.loaded_3

cb=gapi.loaded_3

9 ms

border_3.gif

border_3.gif

13 ms

subscribe_embed

subscribe_embed

45 ms

spacer.gif

spacer.gif

17 ms

border_3.gif

border_3.gif

20 ms

bubbleSprite_3.png

bubbleSprite_3.png

29 ms

bubbleDropR_3.png

bubbleDropR_3.png

37 ms

bubbleDropB_3.png

bubbleDropB_3.png

40 ms

www-subscribe-embed-card-vflqARhQ4.css

www-subscribe-embed-card-vflqARhQ4.css

11 ms

www-subscribe-embed-card.js

www-subscribe-embed-card.js

12 ms

Accessibility Review

dennerle.eu accessibility score

92

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

[role]s are not contained by their required parent element

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.

Best Practices

dennerle.eu best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

dennerle.eu SEO score

80

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

Page is blocked from indexing

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 Dennerle.eu 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 Dennerle.eu 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

dennerle.eu

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