Tools & Wizards About Us
linsenquelle.de screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

linsenquelle.de

Lensbest.de - Kontaktlinsen, Pflegemittel, Brillen & Sonnenbrillen

Page Load Speed

2.7 sec in total

First Response

210 ms

Resources Loaded

2 sec

Page Rendered

536 ms

linsenquelle.de screenshot

About Website

Visit linsenquelle.de now to see the best up-to-date Linsenquelle content for Germany and also check out these interesting facts you probably never knew about linsenquelle.de

Lensbest Kontaktlinsen und Brillen Shop ✓ Über 1 Mio. zufriedene Kunden ✓ Deutschlands größter Versender für Kontaktlinsen, Pflegemittel und Brillen.

Visit linsenquelle.de

Key Findings

We analyzed Linsenquelle.de page load time and found that the first response time was 210 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

linsenquelle.de performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

79/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value4,320 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.623

10/100

15%

TTI (Time to Interactive)

Value20.2 s

2/100

10%

Network Requests Diagram

linsenquelle.de

210 ms

www.lensbest.de

906 ms

jquery-3.7.1.min.js

318 ms

global.min.js

354 ms

jquery-migrate-3.3.0.min.js

366 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Linsenquelle.de, 72% (49 requests) were made to Res.cloudinary.com and 18% (12 requests) were made to Lensbest.de. The less responsive or slowest element that took the longest time to load (906 ms) relates to the external source Lensbest.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 594.4 kB (30%)

Content Size

2.0 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Linsenquelle.de main page is 2.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 125.4 kB

  • Original 160.9 kB
  • After minification 159.4 kB
  • After compression 35.4 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 125.4 kB or 78% of the original size.

Image Optimization

-12%

Potential reduce by 123.2 kB

  • Original 1.0 MB
  • After minification 909.5 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. Obviously, Linsenquelle needs image optimization as it can save up to 123.2 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 127 B

  • Original 384.0 kB
  • After minification 384.0 kB
  • After compression 383.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-83%

Potential reduce by 345.7 kB

  • Original 418.6 kB
  • After minification 418.6 kB
  • After compression 72.9 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. Linsenquelle.de needs all CSS files to be minified and compressed as it can save up to 345.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (15%)

Requests Now

62

After Optimization

53

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Linsenquelle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

linsenquelle.de

linsenquelle.de

210 ms

www.lensbest.de

www.lensbest.de

906 ms

jquery-3.7.1.min.js

jquery-3.7.1.min.js

318 ms

global.min.js

global.min.js

354 ms

jquery-migrate-3.3.0.min.js

jquery-migrate-3.3.0.min.js

366 ms

GetExternalizedStrings-Start;pgid=RvvgeVC2DthSRpjUbiR7nx9l0000gExsDk9V;sid=PMTAONUkcO3HOLN2F62vrn3kY8BepjEh3j4V1S1DN2FA4A==

GetExternalizedStrings-Start;pgid=RvvgeVC2DthSRpjUbiR7nx9l0000gExsDk9V;sid=PMTAONUkcO3HOLN2F62vrn3kY8BepjEh3j4V1S1DN2FA4A==

407 ms

loader.js

loader.js

44 ms

gtm.js

gtm.js

222 ms

payment.png

payment.png

190 ms

visualShoppingTextTool.css

visualShoppingTextTool.css

397 ms

global.min.css

global.min.css

469 ms

empty.gif

empty.gif

178 ms

mobile_ST_Briefkastenfreundliche_Verpackung_B1_V02.gif

mobile_ST_Briefkastenfreundliche_Verpackung_B1_V02.gif

185 ms

mobile_ST_ACU_Lensbest_Sustainability_SoMe_240325_A1_V02.jpg

mobile_ST_ACU_Lensbest_Sustainability_SoMe_240325_A1_V02.jpg

177 ms

3er-box_1_2019_B1.jpg

3er-box_1_2019_B1.jpg

34 ms

3er-box_2023_Pflegemittel_A1.jpg

3er-box_2023_Pflegemittel_A1.jpg

32 ms

3er-box_2023_Zubehoer_A1.jpg

3er-box_2023_Zubehoer_A1.jpg

177 ms

3er-box_2019_C1_V05.jpg

3er-box_2019_C1_V05.jpg

178 ms

Kontaktlinsen_Box_Lenscare_A2.jpg

Kontaktlinsen_Box_Lenscare_A2.jpg

178 ms

Kontaktlinsen_Box_Everclear_B2.jpg

Kontaktlinsen_Box_Everclear_B2.jpg

179 ms

Kontaktlinsen_Box_Acuvue_A2.jpg

Kontaktlinsen_Box_Acuvue_A2.jpg

180 ms

Kontaktlinsen_Box_TOTAL_A2.jpg

Kontaktlinsen_Box_TOTAL_A2.jpg

178 ms

beratungsbilder_kontaktlinsenberater_A1_V02.jpg

beratungsbilder_kontaktlinsenberater_A1_V02.jpg

180 ms

beratungsbilder_Pflegemittelberater_A1_V02.jpg

beratungsbilder_Pflegemittelberater_A1_V02.jpg

184 ms

beratungsbilder_Testlinsen_A1_V02.jpg

beratungsbilder_Testlinsen_A1_V02.jpg

180 ms

beratungsbilder_Starter-Sets_A1_V02.jpg

beratungsbilder_Starter-Sets_A1_V02.jpg

181 ms

Pflegemittel_Box_Lenscare_B1.jpg

Pflegemittel_Box_Lenscare_B1.jpg

180 ms

Pflegemittel_Box_Bausch_Lomb_B1.jpg

Pflegemittel_Box_Bausch_Lomb_B1.jpg

181 ms

Pflegemittel_Box_Alcon_B1.jpg

Pflegemittel_Box_Alcon_B1.jpg

185 ms

Pflegemittel_Box_AMO_B1.jpg

Pflegemittel_Box_AMO_B1.jpg

181 ms

beratungsbilder_Dioprientauschservice_A1_V02.jpg

beratungsbilder_Dioprientauschservice_A1_V02.jpg

182 ms

beratungsbilder_Spar_Abo_A1_V02.jpg

beratungsbilder_Spar_Abo_A1_V02.jpg

185 ms

beratungsbilder_1-Klick_Nachbestellung_A1_V03.jpg

beratungsbilder_1-Klick_Nachbestellung_A1_V03.jpg

185 ms

beratungsbilder_Geld_B1_V02

beratungsbilder_Geld_B1_V02

183 ms

Teaser_Ausgediente_Kontaktlinsen_235x300_A1.jpg

Teaser_Ausgediente_Kontaktlinsen_235x300_A1.jpg

187 ms

Kontaktlinsen-einsetzen_235x300_A1.jpg

Kontaktlinsen-einsetzen_235x300_A1.jpg

186 ms

Tragedauer_KL-235x300.jpg

Tragedauer_KL-235x300.jpg

186 ms

Schlafen-235x300_A1.jpg

Schlafen-235x300_A1.jpg

187 ms

Verschwommene_Sicht_235x300_A1.jpg

Verschwommene_Sicht_235x300_A1.jpg

189 ms

Teaser_Kontaktlinsen-Werte-Parameter_235x300_A1.jpg

Teaser_Kontaktlinsen-Werte-Parameter_235x300_A1.jpg

187 ms

Linse-235x300_ReDe_A1.jpg

Linse-235x300_ReDe_A1.jpg

188 ms

OpenSans.woff

OpenSans.woff

189 ms

OpenSans-Light.woff

OpenSans-Light.woff

187 ms

OpenSans-Semibold.woff

OpenSans-Semibold.woff

190 ms

bundle_legacy.js

bundle_legacy.js

12 ms

retinafont.woff

retinafont.woff

24 ms

languages.json

languages.json

127 ms

icons-social.png

icons-social.png

68 ms

payment_202207.png

payment_202207.png

33 ms

icons-social.png

icons-social.png

118 ms

picturefill.min.js

picturefill.min.js

119 ms

ViewCart-Mini;pgid=RvvgeVC2DthSRpjUbiR7nx9l0000gExsDk9V;sid=PMTAONUkcO3HOLN2F62vrn3kY8BepjEh3j4V1S1DN2FA4A==

ViewCart-Mini;pgid=RvvgeVC2DthSRpjUbiR7nx9l0000gExsDk9V;sid=PMTAONUkcO3HOLN2F62vrn3kY8BepjEh3j4V1S1DN2FA4A==

125 ms

ViewWishlist-IncludeWishlistArray;pgid=RvvgeVC2DthSRpjUbiR7nx9l0000gExsDk9V;sid=PMTAONUkcO3HOLN2F62vrn3kY8BepjEh3j4V1S1DN2FA4A==

ViewWishlist-IncludeWishlistArray;pgid=RvvgeVC2DthSRpjUbiR7nx9l0000gExsDk9V;sid=PMTAONUkcO3HOLN2F62vrn3kY8BepjEh3j4V1S1DN2FA4A==

174 ms

menu;pgid=RvvgeVC2DthSRpjUbiR7nx9l0000gExsDk9V;sid=PMTAONUkcO3HOLN2F62vrn3kY8BepjEh3j4V1S1DN2FA4A==

menu;pgid=RvvgeVC2DthSRpjUbiR7nx9l0000gExsDk9V;sid=PMTAONUkcO3HOLN2F62vrn3kY8BepjEh3j4V1S1DN2FA4A==

109 ms

ST_SH-System_Plus_Monatslinsen_Starter-Set_A1_V02.jpg

ST_SH-System_Plus_Monatslinsen_Starter-Set_A1_V02.jpg

162 ms

ST_Briefkastenfreundliche_Verpackung_A1_V02.jpg

ST_Briefkastenfreundliche_Verpackung_A1_V02.jpg

25 ms

ST_ACU_Lensbest_Sustainability_SoMe_240325_A1_V02.jpg

ST_ACU_Lensbest_Sustainability_SoMe_240325_A1_V02.jpg

163 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

22 ms

slick.min.js

slick.min.js

111 ms

menueleiste_beratung_kontaktlinsen_ReDe_A2_V02.jpg

menueleiste_beratung_kontaktlinsen_ReDe_A2_V02.jpg

21 ms

empty.gif

empty.gif

10 ms

shop_lensbest_500x1000_brillen_text.jpg

shop_lensbest_500x1000_brillen_text.jpg

19 ms

brille24_brillen.jpg

brille24_brillen.jpg

16 ms

shop_lensbest_500x1000_sonnenbrillen_text.jpg

shop_lensbest_500x1000_sonnenbrillen_text.jpg

26 ms

brille24_sonnenbrillen.jpg

brille24_sonnenbrillen.jpg

57 ms

empty.gif

empty.gif

23 ms

menuleiste_Welche_Kontaktlinsen_passen_zu_mir_ReDe_A1_V02.jpg

menuleiste_Welche_Kontaktlinsen_passen_zu_mir_ReDe_A1_V02.jpg

75 ms

de.json

de.json

139 ms

Accessibility Review

linsenquelle.de accessibility score

65

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

linsenquelle.de 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

linsenquelle.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 Linsenquelle.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 Linsenquelle.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

linsenquelle.de

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