Tools & Wizards About Us
bresser.de screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

bresser.de

Bresser | Startseite | Expand Your Horizon mit BRESSER

Page Load Speed

3.3 sec in total

First Response

198 ms

Resources Loaded

2.7 sec

Page Rendered

376 ms

bresser.de screenshot

About Website

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

BRESSER: Marktführer für Teleskope, Mikroskope, Sport Optics, Wetterstationen und Photostudio Equipment in Europa - Top Qualität zum fairen Preis! Optik-Kompetenz seit 1957

Visit bresser.de

Key Findings

We analyzed Bresser.de page load time and found that the first response time was 198 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bresser.de performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value15.0 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value900 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.264

46/100

15%

TTI (Time to Interactive)

Value16.5 s

5/100

10%

Network Requests Diagram

bresser.de

198 ms

www.bresser.de

881 ms

styles-vendor-6f7b0e503197317c3c86.css

291 ms

styles-53fcdb8009b3f5576c7c.css

568 ms

paypal_installment.css

283 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 49% of them (33 requests) were addressed to the original Bresser.de, 16% (11 requests) were made to Oxid.bresser.de and 6% (4 requests) were made to Cms.bresser.de. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Oxid.bresser.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 484.6 kB (11%)

Content Size

4.4 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bresser.de main page is 4.4 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. 55% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 334.8 kB

  • Original 374.0 kB
  • After minification 267.6 kB
  • After compression 39.2 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. This page needs HTML code to be minified as it can gain 106.4 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 334.8 kB or 90% of the original size.

Image Optimization

-3%

Potential reduce by 100.0 kB

  • Original 3.1 MB
  • After minification 3.0 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. Bresser images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 48.9 kB

  • Original 665.3 kB
  • After minification 658.3 kB
  • After compression 616.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 795 B

  • Original 269.8 kB
  • After minification 269.3 kB
  • After compression 269.0 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. Bresser.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 30 (51%)

Requests Now

59

After Optimization

29

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bresser. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bresser.de

bresser.de

198 ms

www.bresser.de

www.bresser.de

881 ms

styles-vendor-6f7b0e503197317c3c86.css

styles-vendor-6f7b0e503197317c3c86.css

291 ms

styles-53fcdb8009b3f5576c7c.css

styles-53fcdb8009b3f5576c7c.css

568 ms

paypal_installment.css

paypal_installment.css

283 ms

agcookiecompliance.min.css

agcookiecompliance.min.css

289 ms

photoswipe.min.css

photoswipe.min.css

287 ms

style.min.css

style.min.css

295 ms

frontend.min.css

frontend.min.css

379 ms

scripts-svg4everybody-d1ddb9280ac0c0202ae7.js

scripts-svg4everybody-d1ddb9280ac0c0202ae7.js

382 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

16 ms

v2

v2

20 ms

doofinderRecommendation.min.js

doofinderRecommendation.min.js

160 ms

main.js

main.js

145 ms

script-vendor-168fbc6d041517f72a8d.js

script-vendor-168fbc6d041517f72a8d.js

658 ms

script-bb6ca617183d52e12608.js

script-bb6ca617183d52e12608.js

317 ms

js

js

85 ms

agcookiecompliance.min.js

agcookiecompliance.min.js

298 ms

photoswipe.min.js

photoswipe.min.js

612 ms

scripts.min.js

scripts.min.js

386 ms

form.js

form.js

657 ms

bundle.js

bundle.js

105 ms

matomo.js

matomo.js

586 ms

gtm.js

gtm.js

156 ms

loader.min.js

loader.min.js

111 ms

doofinder-classic.7.latest.min.js

doofinder-classic.7.latest.min.js

112 ms

Banner-DieMaus_Website_Frontpage_BRESSER_1400x450px_v042024a.jpg

Banner-DieMaus_Website_Frontpage_BRESSER_1400x450px_v042024a.jpg

954 ms

csm_Banner-DieMaus_Website_BRESSER_600x450px_v052024a_378e2a88ea.jpg

csm_Banner-DieMaus_Website_BRESSER_600x450px_v052024a_378e2a88ea.jpg

537 ms

Banner-DieMaus_Website_Frontpage_BRESSER_600x450px_v052024a.jpg

Banner-DieMaus_Website_Frontpage_BRESSER_600x450px_v052024a.jpg

873 ms

banner-homepage_BRESSER-JR_v022023a_DE_1.jpg

banner-homepage_BRESSER-JR_v022023a_DE_1.jpg

788 ms

banner-homepage_BRESSER-JR_v012023a_DE_600x450_1.jpg

banner-homepage_BRESSER-JR_v012023a_DE_600x450_1.jpg

898 ms

Banner_Website_Astro_1400x450px_de_BRESSER_v012024a.jpg

Banner_Website_Astro_1400x450px_de_BRESSER_v012024a.jpg

907 ms

Banner_Website_Astro_600x450px_de_BRESSER_v012024a.jpg

Banner_Website_Astro_600x450px_de_BRESSER_v012024a.jpg

906 ms

Banner_Web_Pirsch-ED_1400x450_de_042023.jpg

Banner_Web_Pirsch-ED_1400x450_de_042023.jpg

977 ms

Banner_Mobil_Pirsch-ED_600x450_de_042023.jpg

Banner_Mobil_Pirsch-ED_600x450_de_042023.jpg

971 ms

Banner_Web-Microscopy_1400x450_de_042023.jpg

Banner_Web-Microscopy_1400x450_de_042023.jpg

1086 ms

Banner_Web-Power-Stations_1400x450_de_042023_1.jpg

Banner_Web-Power-Stations_1400x450_de_042023_1.jpg

1007 ms

Banner_Mobil-Power-Stations_600x450_de_042023_1.jpg

Banner_Mobil-Power-Stations_600x450_de_042023_1.jpg

1005 ms

csm_banner-meta_att-essen_1280x1280px_de_BRESSER_v042024a_81994cffd1.png

csm_banner-meta_att-essen_1280x1280px_de_BRESSER_v042024a_81994cffd1.png

533 ms

csm_banner-meta_itv-gedern_1280x1280px_de_BRESSER_v042024a_362d244b36.png

csm_banner-meta_itv-gedern_1280x1280px_de_BRESSER_v042024a_362d244b36.png

535 ms

csm_earth-day-banner_cta_1280x1280px_en_BRESSER_v042024a_a6ba1c56ac.jpg

csm_earth-day-banner_cta_1280x1280px_en_BRESSER_v042024a_a6ba1c56ac.jpg

534 ms

bgoc.svg

bgoc.svg

284 ms

de.png

de.png

287 ms

en.png

en.png

287 ms

fr.png

fr.png

287 ms

es.png

es.png

284 ms

it.png

it.png

287 ms

nl.png

nl.png

336 ms

pl.png

pl.png

335 ms

spinner.gif

spinner.gif

335 ms

DSC_1260.jpg

DSC_1260.jpg

527 ms

sofort.png

sofort.png

344 ms

visa.png

visa.png

344 ms

master.png

master.png

439 ms

paypal.png

paypal.png

442 ms

vorkasse_1.png

vorkasse_1.png

440 ms

TrustedShops-ExcellentShop-5-Jahre-2023_96px.png

TrustedShops-ExcellentShop-5-Jahre-2023_96px.png

441 ms

UBmYdDGYD1EFkkeSKQaSEnEA3O+VOwA=

UBmYdDGYD1EFkkeSKQaSEnEA3O+VOwA=

39 ms

TzwCPuVHm3RO24+XVKdqqubxJxAEADcrRXwA=

TzwCPuVHm3RO24+XVKdqqubxJxAEADcrRXwA=

39 ms

fa-solid-900-56df75b6af75497c7a9a2b0847981f40.woff

fa-solid-900-56df75b6af75497c7a9a2b0847981f40.woff

361 ms

wMip4GQAAAA

wMip4GQAAAA

38 ms

1i8FoAF8WCAoAAA==

1i8FoAF8WCAoAAA==

4 ms

start_all.jpg

start_all.jpg

344 ms

X40206EF3D5A8F2DAEDB0D6EC38E5A4B1.js

X40206EF3D5A8F2DAEDB0D6EC38E5A4B1.js

30 ms

260337c852917ef76823399ea0e00bef

260337c852917ef76823399ea0e00bef

286 ms

matomo.php

matomo.php

200 ms

tsSticker.js

tsSticker.js

2 ms

Accessibility Review

bresser.de accessibility score

88

Accessibility Issues

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

High

Links do not have a discernible name

Best Practices

bresser.de best practices score

67

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bresser.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

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 Bresser.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 Bresser.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

bresser.de

Open Graph data is detected on the main page of Bresser. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: