Tools & Wizards About Us
yallo.ch screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

yallo.ch

Your no. 1 online provider for mobile, internet and TV | yallo

Page Load Speed

5.9 sec in total

First Response

78 ms

Resources Loaded

4.9 sec

Page Rendered

900 ms

yallo.ch screenshot

About Website

Visit yallo.ch now to see the best up-to-date Yallo content for Switzerland and also check out these interesting facts you probably never knew about yallo.ch

Calls, SMS and mobile internet with an unbeatable price/performance ratio in the Sunrise network. Winner of the "connect" network test. ✓ Mobile Plans ✓ Phones & Tablets ✓ Mobile Internet ✓ Home Inter...

Visit yallo.ch

Key Findings

We analyzed Yallo.ch page load time and found that the first response time was 78 ms and then it took 5.8 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

yallo.ch performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value6,700 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value24.3 s

0/100

10%

Network Requests Diagram

yallo.ch

78 ms

4817 ms

polyfill.min.js

230 ms

styles.1dda62b5cf08e224.css

27 ms

f6601f01-a7d6-4d14-aae9-58311010ea0d_Yallo_CD_web_1_NL%26F_V2.jpg

74 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 28% of them (8 requests) were addressed to the original Yallo.ch, 45% (13 requests) were made to Images.prismic.io and 21% (6 requests) were made to Sunrise-yallo.cdn.prismic.io. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Yallo.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.3 MB (80%)

Content Size

4.2 MB

After Optimization

849.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Yallo.ch main page is 4.2 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. 65% of websites need less resources to load. HTML takes 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-93%

Potential reduce by 3.3 MB

  • Original 3.6 MB
  • After minification 3.6 MB
  • After compression 265.5 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 3.3 MB or 93% of the original size.

Image Optimization

-0%

Potential reduce by 235 B

  • Original 221.7 kB
  • After minification 221.4 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. Yallo images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.7 kB

  • Original 348.4 kB
  • After minification 348.4 kB
  • After compression 346.7 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

-0%

Potential reduce by 0 B

  • Original 15.4 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.

Requests Breakdown

Number of requests can be reduced by 3 (13%)

Requests Now

24

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Yallo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

yallo.ch

yallo.ch

78 ms

4817 ms

polyfill.min.js

polyfill.min.js

230 ms

styles.1dda62b5cf08e224.css

styles.1dda62b5cf08e224.css

27 ms

f6601f01-a7d6-4d14-aae9-58311010ea0d_Yallo_CD_web_1_NL%26F_V2.jpg

f6601f01-a7d6-4d14-aae9-58311010ea0d_Yallo_CD_web_1_NL%26F_V2.jpg

74 ms

c36d4e3e-f4c5-4536-b9ad-75255adaaa33_benefit-calendar.svg

c36d4e3e-f4c5-4536-b9ad-75255adaaa33_benefit-calendar.svg

91 ms

Nunito-regular.woff

Nunito-regular.woff

557 ms

Nunito-bold.woff

Nunito-bold.woff

46 ms

Nunito-extrabold.woff

Nunito-extrabold.woff

46 ms

6d2ccbe4-0c8f-4420-834b-83a0feed9cab_Awarded_Network.png

6d2ccbe4-0c8f-4420-834b-83a0feed9cab_Awarded_Network.png

40 ms

8e639caa-bfb9-4c85-9d46-71c9912a656b_USP_easy_extras.png

8e639caa-bfb9-4c85-9d46-71c9912a656b_USP_easy_extras.png

44 ms

c8e5583c-fb14-4c4e-aad8-e5bd57e72c32_USP_Unlimitd_5G.png

c8e5583c-fb14-4c4e-aad8-e5bd57e72c32_USP_Unlimitd_5G.png

40 ms

57c20c75-b599-4d6b-99f2-9bce4efd10b7_yallo_Best_Speed_web_1_NL%26F.jpg

57c20c75-b599-4d6b-99f2-9bce4efd10b7_yallo_Best_Speed_web_1_NL%26F.jpg

43 ms

35ed2ef9-eef8-463e-b075-d03edae894e8_Best_Speed_plus_TV.jpg

35ed2ef9-eef8-463e-b075-d03edae894e8_Best_Speed_plus_TV.jpg

68 ms

28851cee-6881-4568-9002-9e7681b7be24_New+Project+%286%29.png

28851cee-6881-4568-9002-9e7681b7be24_New+Project+%286%29.png

69 ms

d342aba9-1eb6-418a-a252-944a705174a6_ipad_1600x840.jpg

d342aba9-1eb6-418a-a252-944a705174a6_ipad_1600x840.jpg

69 ms

3d8b096d-d2f2-4082-9a38-cf5adfcd04f1_Win4Win_3_1600x840.png

3d8b096d-d2f2-4082-9a38-cf5adfcd04f1_Win4Win_3_1600x840.png

68 ms

902b03d7-5b03-4897-a0e9-12d96c020d0c_MicrosoftTeams-image+%2821%29.png

902b03d7-5b03-4897-a0e9-12d96c020d0c_MicrosoftTeams-image+%2821%29.png

68 ms

e3e46630-1e8b-49d7-b183-2c0197130623_benefit-sim-port.svg

e3e46630-1e8b-49d7-b183-2c0197130623_benefit-sim-port.svg

76 ms

ca400a8b-93f3-4411-9020-644612d303ec_benefit-saving.svg

ca400a8b-93f3-4411-9020-644612d303ec_benefit-saving.svg

82 ms

d1a68f1d-b7b9-4f29-8d4f-5c4208120f5c_category-phone.svg

d1a68f1d-b7b9-4f29-8d4f-5c4208120f5c_category-phone.svg

89 ms

15d8867d-7622-4071-a84e-df1b75321a7e_category-home.svg

15d8867d-7622-4071-a84e-df1b75321a7e_category-home.svg

86 ms

6fd63dda-8a0a-4943-9b7b-cce65f5bf1e0_category-computer.svg

6fd63dda-8a0a-4943-9b7b-cce65f5bf1e0_category-computer.svg

83 ms

polyfills.76cd9daacad1a83d.js

polyfills.76cd9daacad1a83d.js

45 ms

main.cb890195443e43f8.js

main.cb890195443e43f8.js

59 ms

prismic.js

prismic.js

53 ms

5f174510-4c69-4160-a96a-72228617357d_Connect_einzel_DE.png

5f174510-4c69-4160-a96a-72228617357d_Connect_einzel_DE.png

45 ms

edea108b-bd53-4574-93fc-51da0bde98ab_GalaxyS24Series_de.png

edea108b-bd53-4574-93fc-51da0bde98ab_GalaxyS24Series_de.png

51 ms

fc12e0f0-fd44-4ee9-a937-c18e0839ffdc_Insurance_phone_big.jpg

fc12e0f0-fd44-4ee9-a937-c18e0839ffdc_Insurance_phone_big.jpg

51 ms

Accessibility Review

yallo.ch accessibility score

80

Accessibility Issues

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

High

Heading elements are not in a sequentially-descending order

Best Practices

yallo.ch best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

yallo.ch SEO score

83

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    EN

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Yallo.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed German language. Our system also found out that Yallo.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

yallo.ch

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