Tools & Wizards About Us
nettolinsen.ch screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

nettolinsen.ch

Nettolinsen - nettolinsen.ch

Page Load Speed

6.9 sec in total

First Response

1.2 sec

Resources Loaded

5.5 sec

Page Rendered

217 ms

nettolinsen.ch screenshot

About Website

Click here to check amazing Nettolinsen content. Otherwise, check out these important facts you probably never knew about nettolinsen.ch

nettolinsen.ch - Kontaktlinsen und Linsen Pflegemittel für Sie

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Key Findings

We analyzed Nettolinsen.ch page load time and found that the first response time was 1.2 sec and then it took 5.8 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

nettolinsen.ch performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

www.nettolinsen.ch

1159 ms

css

66 ms

jquery.min.js

78 ms

sidebar_menu.js

198 ms

scripts.js

199 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 84% of them (62 requests) were addressed to the original Nettolinsen.ch, 4% (3 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Nettolinsen.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 623.2 kB (34%)

Content Size

1.8 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nettolinsen.ch main page is 1.8 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 53.0 kB

  • Original 64.0 kB
  • After minification 50.1 kB
  • After compression 11.0 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. This page needs HTML code to be minified as it can gain 13.9 kB, which is 22% 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 53.0 kB or 83% of the original size.

Image Optimization

-8%

Potential reduce by 91.4 kB

  • Original 1.2 MB
  • After minification 1.1 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. Nettolinsen images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 366.1 kB

  • Original 463.2 kB
  • After minification 325.1 kB
  • After compression 97.1 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 366.1 kB or 79% of the original size.

CSS Optimization

-86%

Potential reduce by 112.7 kB

  • Original 131.1 kB
  • After minification 98.9 kB
  • After compression 18.4 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. Nettolinsen.ch needs all CSS files to be minified and compressed as it can save up to 112.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 38 (54%)

Requests Now

70

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nettolinsen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.nettolinsen.ch

www.nettolinsen.ch

1159 ms

css

css

66 ms

jquery.min.js

jquery.min.js

78 ms

sidebar_menu.js

sidebar_menu.js

198 ms

scripts.js

scripts.js

199 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

395 ms

jqtransform.js

jqtransform.js

1137 ms

styles.css

styles.css

2342 ms

widgets.css

widgets.css

288 ms

facebookfree.css

facebookfree.css

296 ms

updates.css

updates.css

295 ms

manufacturers.css

manufacturers.css

387 ms

prototype.js

prototype.js

791 ms

ccard.js

ccard.js

399 ms

validation.js

validation.js

584 ms

builder.js

builder.js

492 ms

effects.js

effects.js

693 ms

dragdrop.js

dragdrop.js

689 ms

controls.js

controls.js

782 ms

slider.js

slider.js

787 ms

js.js

js.js

889 ms

form.js

form.js

884 ms

menu.js

menu.js

887 ms

translate.js

translate.js

888 ms

cookies.js

cookies.js

982 ms

tms-0.3.js

tms-0.3.js

900 ms

tms_presets.js

tms_presets.js

901 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

902 ms

body-bg2.gif

body-bg2.gif

199 ms

logo.png

logo.png

105 ms

fb.gif

fb.gif

135 ms

slider9.png

slider9.png

766 ms

slider1.png

slider1.png

494 ms

slider2.png

slider2.png

505 ms

slider3.png

slider3.png

695 ms

slider4.png

slider4.png

805 ms

slider5.png

slider5.png

727 ms

slider6.png

slider6.png

790 ms

slider7.png

slider7.png

808 ms

slider8.png

slider8.png

1089 ms

1day_acuvue_moist_multifocal30.jpg

1day_acuvue_moist_multifocal30.jpg

826 ms

biotrue-prespyopia_30.jpg

biotrue-prespyopia_30.jpg

863 ms

1hlt_ybjtr4dhhhfyttnqz609lzmsvckkcrykpnwddsabcbn-wvxhzmu39kbphi3krjpnvxqznahdyouq_0qh0irk4ha_aaef91a_w1637-h708.jpg

1hlt_ybjtr4dhhhfyttnqz609lzmsvckkcrykpnwddsabcbn-wvxhzmu39kbphi3krjpnvxqznahdyouq_0qh0irk4ha_aaef91a_w1637-h708.jpg

888 ms

aosepthg_2x360.png

aosepthg_2x360.png

906 ms

easysepthydro_355ml.png

easysepthydro_355ml.png

911 ms

ao_colors_2er-pack-1013_cmyk-1.gif

ao_colors_2er-pack-1013_cmyk-1.gif

925 ms

myday30.jpg

myday30.jpg

961 ms

dailies-total1.90.jpg

dailies-total1.90.jpg

985 ms

air_optix_night_dayaqua.jpg

air_optix_night_dayaqua.jpg

1007 ms

ga.js

ga.js

9 ms

ch.png

ch.png

1005 ms

gb.png

gb.png

1015 ms

form-search-link.gif

form-search-link.gif

1051 ms

button-search.png

button-search.png

1077 ms

__utm.gif

__utm.gif

19 ms

list-top-bg.png

list-top-bg.png

1069 ms

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf

50 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

86 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

86 ms

slider-next.png

slider-next.png

1068 ms

slider-prev.png

slider-prev.png

1075 ms

product-box-bg.gif

product-box-bg.gif

1111 ms

bkg_button.gif

bkg_button.gif

1136 ms

nav-bg.gif

nav-bg.gif

1130 ms

nav-line.png

nav-line.png

1153 ms

nav-marker.png

nav-marker.png

1159 ms

marker-sub.png

marker-sub.png

1163 ms

all.js

all.js

42 ms

39 ms

xd_arbiter.php

xd_arbiter.php

25 ms

xd_arbiter.php

xd_arbiter.php

31 ms

print.css

print.css

101 ms

banner-button.gif

banner-button.gif

100 ms

xd_arbiter.php

xd_arbiter.php

9 ms

Accessibility Review

nettolinsen.ch accessibility score

78

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

Links do not have a discernible name

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

nettolinsen.ch best practices score

58

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

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nettolinsen.ch SEO score

92

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

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

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 Nettolinsen.ch 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 Nettolinsen.ch 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

nettolinsen.ch

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