Tools & Wizards About Us
prod.zip.ch screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

prod.zip.ch

ZIP.ch | Official Swiss Directory & Digital Agency for PME

Page Load Speed

2.8 sec in total

First Response

484 ms

Resources Loaded

2.1 sec

Page Rendered

245 ms

prod.zip.ch screenshot

About Website

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

With ZIP.ch, your new official phone directory for Switzerland, you can search quickly and efficiently for phone numbers and addresses in Switzerland.

Visit prod.zip.ch

Key Findings

We analyzed Prod.zip.ch page load time and found that the first response time was 484 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

prod.zip.ch performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value2,900 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

prod.zip.ch

484 ms

zip.ch

480 ms

myzip.ch

216 ms

www.myzip.ch

239 ms

ib-widget-v1.js

320 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Prod.zip.ch, 21% (7 requests) were made to Lirp.cdn-website.com and 15% (5 requests) were made to Static.cdn-website.com. The less responsive or slowest element that took the longest time to load (484 ms) belongs to the original domain Prod.zip.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 223.7 kB (44%)

Content Size

513.9 kB

After Optimization

290.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Prod.zip.ch main page is 513.9 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. 40% of websites need less resources to load. HTML takes 255.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 209.7 kB

  • Original 255.4 kB
  • After minification 249.2 kB
  • After compression 45.7 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 209.7 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 3.7 kB

  • Original 70.8 kB
  • After minification 67.2 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. Prod ZIP images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 10.4 kB

  • Original 187.7 kB
  • After minification 187.7 kB
  • After compression 177.3 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.

Requests Breakdown

Number of requests can be reduced by 13 (52%)

Requests Now

25

After Optimization

12

  • Images
  • JavaScript

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prod ZIP. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

prod.zip.ch

prod.zip.ch

484 ms

zip.ch

zip.ch

480 ms

myzip.ch

myzip.ch

216 ms

www.myzip.ch

www.myzip.ch

239 ms

ib-widget-v1.js

ib-widget-v1.js

320 ms

js

js

77 ms

platform.js

platform.js

56 ms

platform.js

platform.js

47 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

41 ms

uc.js

uc.js

47 ms

d-js-one-runtime-unified-desktop.min.js

d-js-one-runtime-unified-desktop.min.js

42 ms

d-js-jquery-migrate.min.js

d-js-jquery-migrate.min.js

41 ms

js

js

116 ms

status-check-embed.js

status-check-embed.js

476 ms

platform.js

platform.js

25 ms

fbevents.js

fbevents.js

280 ms

fr.png

fr.png

279 ms

zip_logo_blanc-123w.png

zip_logo_blanc-123w.png

354 ms

de.png

de.png

319 ms

it.png

it.png

319 ms

svg-whatsapp.svg

svg-whatsapp.svg

318 ms

swisslabel-logo-100h.png

swisslabel-logo-100h.png

362 ms

Partner-RGB-a3af15cc-139w.png

Partner-RGB-a3af15cc-139w.png

379 ms

image-7-1024x460-216w.png

image-7-1024x460-216w.png

373 ms

ks_cs-216w.png

ks_cs-216w.png

370 ms

gtm.js

gtm.js

236 ms

gtm.js

gtm.js

317 ms

hotjar-1857307.js

hotjar-1857307.js

353 ms

logos4-1920w.png

logos4-1920w.png

355 ms

SANDRO+ZIP.ch_PREZ_CENTRE_MANOR-1920w.png

SANDRO+ZIP.ch_PREZ_CENTRE_MANOR-1920w.png

345 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

123 ms

dm-font.woff

dm-font.woff

149 ms

status-check-embed.js

status-check-embed.js

186 ms

Accessibility Review

prod.zip.ch accessibility score

90

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

prod.zip.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

High

Missing source maps for large first-party JavaScript

SEO Factors

prod.zip.ch SEO score

91

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

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

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Prod.zip.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 French language. Our system also found out that Prod.zip.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

prod.zip.ch

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