Tools & Wizards About Us
dennerle.eu screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

dennerle.eu

Natur erleben - Mit den Dennerle Aquarium Systemen

Page Load Speed

6.3 sec in total

First Response

1.1 sec

Resources Loaded

3.4 sec

Page Rendered

1.8 sec

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

Visit dennerle.eu

Key Findings

We analyzed Dennerle.eu page load time and found that the first response time was 1.1 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

dennerle.eu performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.8 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.4 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.833

4/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

dennerle.com

1095 ms

style.min.css

559 ms

styles.css

279 ms

woocommerce-layout.css

372 ms

woocommerce.css

287 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that all of those requests were addressed to Dennerle.eu and no external sources were called. 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 3.8 MB (47%)

Content Size

8.1 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dennerle.eu main page is 8.1 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. 40% of websites need less resources to load. Images take 6.9 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 128.9 kB

  • Original 146.1 kB
  • After minification 139.7 kB
  • After compression 17.2 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 128.9 kB or 88% of the original size.

Image Optimization

-41%

Potential reduce by 2.8 MB

  • Original 6.9 MB
  • After minification 4.1 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. Obviously, Dennerle needs image optimization as it can save up to 2.8 MB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 264.7 kB

  • Original 382.0 kB
  • After minification 373.7 kB
  • After compression 117.2 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 264.7 kB or 69% of the original size.

CSS Optimization

-91%

Potential reduce by 560.7 kB

  • Original 615.1 kB
  • After minification 358.6 kB
  • After compression 54.4 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 560.7 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (45%)

Requests Now

88

After Optimization

48

  • Images
  • JavaScript
  • CSS

The browser has sent 88 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 27 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dennerle.com

dennerle.com

1095 ms

style.min.css

style.min.css

559 ms

styles.css

styles.css

279 ms

woocommerce-layout.css

woocommerce-layout.css

372 ms

woocommerce.css

woocommerce.css

287 ms

sanitize.css

sanitize.css

284 ms

app.min.css

app.min.css

661 ms

leaflet.css

leaflet.css

370 ms

borlabs-cookie_1_de.css

borlabs-cookie_1_de.css

470 ms

mailin-front.css

mailin-front.css

380 ms

jquery.min.js

jquery.min.js

647 ms

jquery-migrate.min.js

jquery-migrate.min.js

463 ms

borlabs-cookie-prioritize.min.js

borlabs-cookie-prioritize.min.js

472 ms

mailin-front.js

mailin-front.js

556 ms

hero.min.css

hero.min.css

375 ms

news.min.css

news.min.css

378 ms

media-text.min.css

media-text.min.css

381 ms

products.min.css

products.min.css

465 ms

guides.min.css

guides.min.css

468 ms

index.js

index.js

470 ms

index.js

index.js

474 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

554 ms

add-to-cart.min.js

add-to-cart.min.js

557 ms

js.cookie.min.js

js.cookie.min.js

561 ms

woocommerce.min.js

woocommerce.min.js

563 ms

f12-cf7-captcha-cf7.js

f12-cf7-captcha-cf7.js

566 ms

downloads.min.js

downloads.min.js

568 ms

ajax-products.min.js

ajax-products.min.js

646 ms

leaflet.js

leaflet.js

836 ms

retailer-search.min.js

retailer-search.min.js

653 ms

app.min.js

app.min.js

655 ms

faq-accordion.min.js

faq-accordion.min.js

659 ms

jquery.hideseek.min.js

jquery.hideseek.min.js

661 ms

embla-carousel.umd.js

embla-carousel.umd.js

738 ms

embla-carousel-class-names.umd.js

embla-carousel-class-names.umd.js

745 ms

embla-carousel-auto-height.umd.js

embla-carousel-auto-height.umd.js

748 ms

hero.min.js

hero.min.js

750 ms

news.min.js

news.min.js

666 ms

media-text.min.js

media-text.min.js

735 ms

products.min.js

products.min.js

747 ms

guides.min.js

guides.min.js

666 ms

borlabs-cookie.min.js

borlabs-cookie.min.js

666 ms

Logo_2021_gruen.svg

Logo_2021_gruen.svg

380 ms

Cube.svg

Cube.svg

421 ms

Trocal-Style-LED.svg

Trocal-Style-LED.svg

426 ms

Diffusor_M.svg

Diffusor_M.svg

429 ms

Filter-mit-Schnorchel.svg

Filter-mit-Schnorchel.svg

431 ms

FOOD.svg

FOOD.svg

435 ms

5697_PA_Nano_HeaterCompact_25W.svg

5697_PA_Nano_HeaterCompact_25W.svg

441 ms

Pflege.svg

Pflege.svg

513 ms

Kies.svg

Kies.svg

518 ms

Pinzette.svg

Pinzette.svg

521 ms

products.svg

products.svg

524 ms

download.svg

download.svg

528 ms

Search.svg

Search.svg

534 ms

about.svg

about.svg

605 ms

news.svg

news.svg

590 ms

plant_db.svg

plant_db.svg

564 ms

contact.svg

contact.svg

564 ms

reateiler_search.svg

reateiler_search.svg

565 ms

youtube.svg

youtube.svg

570 ms

instagram.svg

instagram.svg

635 ms

facebook.svg

facebook.svg

639 ms

Header-Bio-CO2_2.jpg

Header-Bio-CO2_2.jpg

847 ms

Kollektion_Alle_HG_Gruen-212x187.jpg

Kollektion_Alle_HG_Gruen-212x187.jpg

561 ms

5775_4_Carbo-Bio-Style-120-212x187.png

5775_4_Carbo-Bio-Style-120-212x187.png

566 ms

Header-Website-1-212x187.jpg

Header-Website-1-212x187.jpg

566 ms

Systemset-920x590.jpg

Systemset-920x590.jpg

636 ms

Header-Bio-CO2-920x590.jpg

Header-Bio-CO2-920x590.jpg

567 ms

media_text-920x590.jpg

media_text-920x590.jpg

659 ms

5775_1_Carbo-Bio-Style-120.png

5775_1_Carbo-Bio-Style-120.png

761 ms

4812_1_Plant-Care-Pro-500-ml.png

4812_1_Plant-Care-Pro-500-ml.png

664 ms

3314.png

3314.png

639 ms

4801_1_Plant-Elixir-Basic-500-ml.png

4801_1_Plant-Elixir-Basic-500-ml.png

666 ms

4828_1_Plant-System-Set.png

4828_1_Plant-System-Set.png

827 ms

4270__1_Betta-Care-250-ml-e1679493838290.png

4270__1_Betta-Care-250-ml-e1679493838290.png

755 ms

4271__1_Betta-Water-250-ml-e1679494219377.png

4271__1_Betta-Water-250-ml-e1679494219377.png

658 ms

7410__1_Betta-Booster.png

7410__1_Betta-Booster.png

802 ms

3330_1_Carbo-Bio-Start-60.png

3330_1_Carbo-Bio-Start-60.png

721 ms

Kollektion_Alle_HG_Gruen-920x590.jpg

Kollektion_Alle_HG_Gruen-920x590.jpg

687 ms

35_L_Betta_HG-244x214.png

35_L_Betta_HG-244x214.png

689 ms

Carbo-power-m400_special-244x214.jpg

Carbo-power-m400_special-244x214.jpg

766 ms

Schritt_1_Bodengrund-244x214.png

Schritt_1_Bodengrund-244x214.png

762 ms

Schritt_fertig-244x214.png

Schritt_fertig-244x214.png

764 ms

Schlussbild-244x214.png

Schlussbild-244x214.png

770 ms

Plant-1-244x214.jpg

Plant-1-244x214.jpg

750 ms

borlabs-cookie-icon-dynamic.svg

borlabs-cookie-icon-dynamic.svg

754 ms

arrow-right.svg

arrow-right.svg

766 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

94 ms

Accessibility Review

dennerle.eu accessibility score

79

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

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

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

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

High

Page has valid source maps

SEO Factors

dennerle.eu SEO score

83

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

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: