Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

swiss-optik.ch

swiss Optik-Brawand - Der schweizer Augenoptiker der Region Bern!

Page Load Speed

6.7 sec in total

First Response

384 ms

Resources Loaded

5.1 sec

Page Rendered

1.2 sec

swiss-optik.ch screenshot

About Website

Welcome to swiss-optik.ch homepage info - get ready to check Swiss Optik best content right away, or after learning these important things about swiss-optik.ch

Der schweizer premium Augenoptiker der Region Bern - Zollikofen! Keine Einkaufsgruppe, bedeutet für Sie: Unabhängige Fachberatung!

Visit swiss-optik.ch

Key Findings

We analyzed Swiss-optik.ch page load time and found that the first response time was 384 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

swiss-optik.ch performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.3 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.8 s

0/100

25%

SI (Speed Index)

Value23.6 s

0/100

10%

TBT (Total Blocking Time)

Value1,880 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value28.2 s

0/100

10%

Network Requests Diagram

swiss-optik.ch

384 ms

swiss-optik-brawand.ch

954 ms

jquery-1.11.0.min.js

12 ms

jquery.tools.min.js

37 ms

jquery.bxslider.js

439 ms

Our browser made a total of 106 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Swiss-optik.ch, 65% (69 requests) were made to Swiss-optik-brawand.ch and 14% (15 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (2.2 sec) relates to the external source Swiss-optik-brawand.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (20%)

Content Size

6.3 MB

After Optimization

5.0 MB

In fact, the total size of Swiss-optik.ch main page is 6.3 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. 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 4.8 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 89.9 kB

  • Original 106.5 kB
  • After minification 102.5 kB
  • After compression 16.6 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 89.9 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 128.0 kB

  • Original 4.8 MB
  • After minification 4.7 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. Swiss Optik images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 645.0 kB

  • Original 939.3 kB
  • After minification 913.1 kB
  • After compression 294.2 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 645.0 kB or 69% of the original size.

CSS Optimization

-86%

Potential reduce by 374.3 kB

  • Original 433.8 kB
  • After minification 335.8 kB
  • After compression 59.5 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-optik.ch needs all CSS files to be minified and compressed as it can save up to 374.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 40 (43%)

Requests Now

94

After Optimization

54

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Swiss Optik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 30 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

swiss-optik.ch accessibility score

95

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

Links do not have a discernible name

Best Practices

swiss-optik.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-optik.ch SEO score

89

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

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Swiss-optik.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 Swiss-optik.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

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