Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

swiss-kontaktlinsen.ch

Shop - swiss Optik-Brawand

Page Load Speed

2.7 sec in total

First Response

522 ms

Resources Loaded

1.9 sec

Page Rendered

251 ms

swiss-kontaktlinsen.ch screenshot

About Website

Visit swiss-kontaktlinsen.ch now to see the best up-to-date Swiss Kontaktlinsen content and also check out these interesting facts you probably never knew about swiss-kontaktlinsen.ch

Contactlenses, Solutions and Swiss-Products to Discountprices!

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Key Findings

We analyzed Swiss-kontaktlinsen.ch page load time and found that the first response time was 522 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

swiss-kontaktlinsen.ch performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value18.3 s

0/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

swiss-kontaktlinsen.ch

522 ms

stylesheet.css

190 ms

swfobject.js

205 ms

dailies_menu.gif

213 ms

acuvue_menu.gif

213 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 95% of them (41 requests) were addressed to the original Swiss-kontaktlinsen.ch, 5% (2 requests) were made to Kundenbewertung.onlinehaendler.org. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Swiss-kontaktlinsen.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 73.1 kB (48%)

Content Size

151.4 kB

After Optimization

78.3 kB

In fact, the total size of Swiss-kontaktlinsen.ch main page is 151.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 69.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 52.4 kB

  • Original 61.8 kB
  • After minification 57.8 kB
  • After compression 9.5 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 52.4 kB or 85% of the original size.

Image Optimization

-6%

Potential reduce by 4.1 kB

  • Original 69.9 kB
  • After minification 65.8 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. Swiss Kontaktlinsen images are well optimized though.

CSS Optimization

-85%

Potential reduce by 16.6 kB

  • Original 19.6 kB
  • After minification 14.7 kB
  • After compression 3.0 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. Swiss-kontaktlinsen.ch needs all CSS files to be minified and compressed as it can save up to 16.6 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (38%)

Requests Now

40

After Optimization

25

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swiss Kontaktlinsen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

swiss-kontaktlinsen.ch accessibility score

98

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.

Best Practices

swiss-kontaktlinsen.ch 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

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

SEO Factors

swiss-kontaktlinsen.ch SEO score

82

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swiss-kontaktlinsen.ch 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 Swiss-kontaktlinsen.ch main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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