Tools & Wizards About Us
bon.de screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

bon.de

bon Optic Vertriebsgesellschaft mbH – Partner auf Augenhöhe!

Page Load Speed

3.8 sec in total

First Response

227 ms

Resources Loaded

3.2 sec

Page Rendered

322 ms

bon.de screenshot

About Website

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

Spezialklinik, Arztpraxis oder Optiker? Wir sind Partner auf Augenhöhe! Wir beraten zu ophthalmologischen Geräten und Einrichtungen.

Visit bon.de

Key Findings

We analyzed Bon.de page load time and found that the first response time was 227 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

bon.de performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.3 s

5/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

bon.de

227 ms

bon.de

485 ms

tooltipster.bundle.min.css

578 ms

tooltipster-sideTip-light.min.css

268 ms

jquery.material.form.css

268 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 96% of them (65 requests) were addressed to the original Bon.de, 3% (2 requests) were made to Code.etracker.com and 1% (1 request) were made to Etracker.de. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Bon.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 140.3 kB (10%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bon.de main page is 1.3 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. 45% of websites need less resources to load. Images take 852.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 126.7 kB

  • Original 153.7 kB
  • After minification 152.3 kB
  • After compression 27.0 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 126.7 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 4.7 kB

  • Original 852.4 kB
  • After minification 847.6 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. Bon images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.9 kB

  • Original 220.3 kB
  • After minification 220.3 kB
  • After compression 215.3 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

-3%

Potential reduce by 3.9 kB

  • Original 116.0 kB
  • After minification 116.0 kB
  • After compression 112.1 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. Bon.de has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 51 (81%)

Requests Now

63

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bon. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

bon.de

bon.de

227 ms

bon.de

bon.de

485 ms

tooltipster.bundle.min.css

tooltipster.bundle.min.css

578 ms

tooltipster-sideTip-light.min.css

tooltipster-sideTip-light.min.css

268 ms

jquery.material.form.css

jquery.material.form.css

268 ms

intlTelInput.min.css

intlTelInput.min.css

270 ms

styles.css

styles.css

272 ms

styles.css

styles.css

276 ms

styles.css

styles.css

356 ms

woocommerce-layout.css

woocommerce-layout.css

354 ms

woocommerce.css

woocommerce.css

357 ms

style.min.css

style.min.css

356 ms

slick.min.css

slick.min.css

360 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

443 ms

style.css

style.css

736 ms

borlabs-cookie_1_de.css

borlabs-cookie_1_de.css

445 ms

js_composer.min.css

js_composer.min.css

635 ms

jquery.min.js

jquery.min.js

999 ms

jquery-migrate.min.js

jquery-migrate.min.js

530 ms

cookie.js

cookie.js

533 ms

ee-head.js

ee-head.js

618 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

622 ms

woocommerce.min.js

woocommerce.min.js

663 ms

slick.min.js

slick.min.js

1058 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

801 ms

stickit.js

stickit.js

722 ms

custom.js

custom.js

755 ms

borlabs-cookie-prioritize.min.js

borlabs-cookie-prioritize.min.js

731 ms

e.js

e.js

531 ms

lazyload.min.js

lazyload.min.js

740 ms

core.min.js

core.min.js

768 ms

datepicker.min.js

datepicker.min.js

809 ms

tooltipster.bundle.min.js

tooltipster.bundle.min.js

820 ms

jquery.material.form.min.js

jquery.material.form.min.js

828 ms

intlTelInput-jquery.min.js

intlTelInput-jquery.min.js

861 ms

dialog_trigger.js

dialog_trigger.js

899 ms

ninjapopups.min.js

ninjapopups.min.js

910 ms

index.js

index.js

927 ms

index.js

index.js

954 ms

ee-footer.js

ee-footer.js

863 ms

site_main.js

site_main.js

858 ms

awdr-dynamic-price.js

awdr-dynamic-price.js

859 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

853 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

870 ms

wp-polyfill.min.js

wp-polyfill.min.js

885 ms

hooks.min.js

hooks.min.js

811 ms

i18n.min.js

i18n.min.js

822 ms

wc-blocks-google-analytics.js

wc-blocks-google-analytics.js

825 ms

actions.js

actions.js

823 ms

cart_widget.min.js

cart_widget.min.js

784 ms

js_composer_front.min.js

js_composer_front.min.js

806 ms

borlabs-cookie.min.js

borlabs-cookie.min.js

736 ms

search.svg

search.svg

180 ms

t.js

t.js

115 ms

Montserrat-Regular.ttf

Montserrat-Regular.ttf

328 ms

Montserrat-Medium.ttf

Montserrat-Medium.ttf

379 ms

Montserrat-Bold.ttf

Montserrat-Bold.ttf

643 ms

bon_Logo_RGB.svg

bon_Logo_RGB.svg

213 ms

Bon-Logo.svg

Bon-Logo.svg

226 ms

Startbild_Pupille_kl.jpg

Startbild_Pupille_kl.jpg

578 ms

borlabs-cookie-icon-dynamic.svg

borlabs-cookie-icon-dynamic.svg

303 ms

Bild-fAr-Startseite-Glaukom.png

Bild-fAr-Startseite-Glaukom.png

1192 ms

3D-Map-fAr-Kategorie-Hornhaut-und-Startseite-Neuheiten-Hornhaut.png

3D-Map-fAr-Kategorie-Hornhaut-und-Startseite-Neuheiten-Hornhaut.png

295 ms

Bild-fAr-Startseite-Retina.jpg

Bild-fAr-Startseite-Retina.jpg

501 ms

Einrichtung.jpg

Einrichtung.jpg

285 ms

Refraktion_und_Sehpr_fung_1.jpg

Refraktion_und_Sehpr_fung_1.jpg

378 ms

cntcc

cntcc

421 ms

woocommerce-smallscreen.css

woocommerce-smallscreen.css

95 ms

Accessibility Review

bon.de accessibility score

81

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

bon.de best practices score

75

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

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

bon.de SEO score

91

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bon.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it does not match the claimed English language. Our system also found out that Bon.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

bon.de

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