Tools & Wizards About Us
bluwin.ch screenshot

Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

bluwin.ch

blue News | bluewin E-Mail | News, Politik, Sport, People

Page Load Speed

7.8 sec in total

First Response

256 ms

Resources Loaded

2.5 sec

Page Rendered

5 sec

bluwin.ch screenshot

About Website

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

Aktuelle News und Sport aus der Schweiz & International, Politik, Wetter, People und Livestreams - Webmail Login für Bluewin E-Mail

Visit bluwin.ch

Key Findings

We analyzed Bluwin.ch page load time and found that the first response time was 256 ms and then it took 7.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

bluwin.ch performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value20.4 s

0/100

25%

SI (Speed Index)

Value21.9 s

0/100

10%

TBT (Total Blocking Time)

Value5,320 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.487

17/100

15%

TTI (Time to Interactive)

Value57.7 s

0/100

10%

Network Requests Diagram

index.html

256 ms

datalayer-sync-min.js

570 ms

styles.css

117 ms

init_advertising.9c7fb9140800dd1d79b5.js

250 ms

webpush-production.js

103 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Bluwin.ch, 20% (26 requests) were made to Services.sg101.prd.sctv.ch and 9% (12 requests) were made to Cdn.bluewin.ch. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Services.sg101.prd.sctv.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 660.9 kB (15%)

Content Size

4.5 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bluwin.ch main page is 4.5 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. Only a small number of websites need less resources to load. Images take 3.4 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 481.2 kB

  • Original 547.6 kB
  • After minification 500.8 kB
  • After compression 66.4 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 481.2 kB or 88% of the original size.

Image Optimization

-2%

Potential reduce by 72.0 kB

  • Original 3.4 MB
  • After minification 3.4 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. Bluwin images are well optimized though.

JavaScript Optimization

-22%

Potential reduce by 107.6 kB

  • Original 480.5 kB
  • After minification 480.5 kB
  • After compression 372.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 107.6 kB or 22% of the original size.

CSS Optimization

-0%

Potential reduce by 88 B

  • Original 62.2 kB
  • After minification 62.2 kB
  • After compression 62.1 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. Bluwin.ch has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 9 (7%)

Requests Now

124

After Optimization

115

  • Images
  • JavaScript
  • CSS

The browser has sent 124 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bluwin. 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

index.html

index.html

256 ms

datalayer-sync-min.js

datalayer-sync-min.js

570 ms

styles.css

styles.css

117 ms

init_advertising.9c7fb9140800dd1d79b5.js

init_advertising.9c7fb9140800dd1d79b5.js

250 ms

webpush-production.js

webpush-production.js

103 ms

safaripush.js

safaripush.js

258 ms

int.min.js

int.min.js

162 ms

all.min.css

all.min.css

37 ms

jquery.min.js

jquery.min.js

33 ms

scripts.js

scripts.js

24 ms

delivery.ba8d442a7a68cb48c22a.js

delivery.ba8d442a7a68cb48c22a.js

175 ms

beacon.js

beacon.js

65 ms

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76 ms

b2

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8 ms

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58 ms

Accessibility Review

bluwin.ch accessibility score

75

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

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

bluwin.ch best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bluwin.ch SEO score

86

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

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 Bluwin.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 Bluwin.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

bluwin.ch

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