Tools & Wizards About Us
zhaw.ch screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

zhaw.ch

Willkommen an der ZHAW | ZHAW Zürcher Hochschule für Angewandte Wissenschaften

Page Load Speed

5.4 sec in total

First Response

435 ms

Resources Loaded

4.6 sec

Page Rendered

352 ms

zhaw.ch screenshot

About Website

Welcome to zhaw.ch homepage info - get ready to check ZHAW best content for Switzerland right away, or after learning these important things about zhaw.ch

Die ZHAW ist eine der führenden Schweizer Hochschulen für Angewandte Wissenschaften. Wir sind in Lehre, Forschung, Weiterbildung und Dienstleistung tätig – praxisnah und wissenschaftlich fundiert.

Visit zhaw.ch

Key Findings

We analyzed Zhaw.ch page load time and found that the first response time was 435 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

zhaw.ch performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value12.7 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.085

93/100

15%

TTI (Time to Interactive)

Value12.9 s

13/100

10%

Network Requests Diagram

zhaw.ch

435 ms

447 ms

bootstrap.min-c10ec11aefb737b45ee03041554a0ea6.css.gzip

312 ms

merged-cfdd89ce49717204114350eeb236b667-e836f0071af12e7b5247168342beedb3.css.gzip

320 ms

merged-380158a74f71021dfaf5d7a04b033e54-2fb0d473c77ef93a75283105ba454461.css.gzip

670 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 87% of them (27 requests) were addressed to the original Zhaw.ch, 6% (2 requests) were made to Zhaw.matomo.cloud and 3% (1 request) were made to Cdn.matomo.cloud. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Zhaw.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 97.5 kB (86%)

Content Size

113.9 kB

After Optimization

16.4 kB

  • HTML
  • JavaScript

In fact, the total size of Zhaw.ch main page is 113.9 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. 30% of websites need less resources to load. HTML takes 113.8 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 97.5 kB

  • Original 113.8 kB
  • After minification 95.8 kB
  • After compression 16.3 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. This page needs HTML code to be minified as it can gain 18.0 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 97.5 kB or 86% of the original size.

JavaScript Optimization

-10%

Potential reduce by 12 B

  • Original 120 B
  • After minification 117 B
  • After compression 108 B

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 5 (19%)

Requests Now

27

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZHAW. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

zhaw.ch

zhaw.ch

435 ms

447 ms

bootstrap.min-c10ec11aefb737b45ee03041554a0ea6.css.gzip

bootstrap.min-c10ec11aefb737b45ee03041554a0ea6.css.gzip

312 ms

merged-cfdd89ce49717204114350eeb236b667-e836f0071af12e7b5247168342beedb3.css.gzip

merged-cfdd89ce49717204114350eeb236b667-e836f0071af12e7b5247168342beedb3.css.gzip

320 ms

merged-380158a74f71021dfaf5d7a04b033e54-2fb0d473c77ef93a75283105ba454461.css.gzip

merged-380158a74f71021dfaf5d7a04b033e54-2fb0d473c77ef93a75283105ba454461.css.gzip

670 ms

csm_zhaw-linguistik-sm_e1bb025f45.webp

csm_zhaw-linguistik-sm_e1bb025f45.webp

626 ms

csm_zhaw-psychologie-toniareal_66c9f3376c.webp

csm_zhaw-psychologie-toniareal_66c9f3376c.webp

525 ms

csm_zhaw-archbau-la_95949219dc.webp

csm_zhaw-archbau-la_95949219dc.webp

626 ms

csm_departement-gesundheit_94995f7400.webp

csm_departement-gesundheit_94995f7400.webp

417 ms

csm_zhaw-lsfm_115b8a0053.webp

csm_zhaw-lsfm_115b8a0053.webp

526 ms

csm_zhaw-engineering-th_e3d112fc40.webp

csm_zhaw-engineering-th_e3d112fc40.webp

522 ms

csm_zhaw-sml-sw_b52cb0ffde.webp

csm_zhaw-sml-sw_b52cb0ffde.webp

628 ms

csm_zhaw-sozialearbeit-toniareal_01_91b2045e1e.webp

csm_zhaw-sozialearbeit-toniareal_01_91b2045e1e.webp

734 ms

csm_studium-slider-1170_262ea3a64a.webp

csm_studium-slider-1170_262ea3a64a.webp

834 ms

csm_240410_mm_nachhaltiger-konsum_3e8a0d0b78.webp

csm_240410_mm_nachhaltiger-konsum_3e8a0d0b78.webp

1443 ms

csm_teaser-kraeutli_d7647aa3dd.webp

csm_teaser-kraeutli_d7647aa3dd.webp

1853 ms

csm_Raum_f%C3%BCr_Psychologie_Antidepressiva-05.24_e32dd98018.webp

csm_Raum_f%C3%BCr_Psychologie_Antidepressiva-05.24_e32dd98018.webp

734 ms

csm_csm_Digilog_Banner_Blau_96193febcd_daefdc6732.webp

csm_csm_Digilog_Banner_Blau_96193febcd_daefdc6732.webp

873 ms

csm_Thumbnail_Denken-Anfang_Startseite_96ff52f915.webp

csm_Thumbnail_Denken-Anfang_Startseite_96ff52f915.webp

1039 ms

merged-3473a5a115f15887af4536b41fba6c0a-08174bfdd416bd1d9ef7deb95f3c7748.js.gzip

merged-3473a5a115f15887af4536b41fba6c0a-08174bfdd416bd1d9ef7deb95f3c7748.js.gzip

2077 ms

merged-79c95ff5f236189c6567f70c8a3c8118-c6ed6133d653e8a9b0601b0e8162bfff.js.gzip

merged-79c95ff5f236189c6567f70c8a3c8118-c6ed6133d653e8a9b0601b0e8162bfff.js.gzip

847 ms

Form.min-7b7ea0d9161079b7e504da874eb7db7c.js.gzip

Form.min-7b7ea0d9161079b7e504da874eb7db7c.js.gzip

887 ms

matomo.js

matomo.js

28 ms

csm_GoogleMapPlaceholder_0c31d40980.webp

csm_GoogleMapPlaceholder_0c31d40980.webp

773 ms

csm_swissuniversities-logo_8c0c2a27ba.webp

csm_swissuniversities-logo_8c0c2a27ba.webp

402 ms

csm_label-hfkg-de_ccc54e9f3c.webp

csm_label-hfkg-de_ccc54e9f3c.webp

462 ms

zhaw_glyphicons-webfont.ttf

zhaw_glyphicons-webfont.ttf

456 ms

HelveticaRoundedBold.woff

HelveticaRoundedBold.woff

516 ms

siteanalyze_6045719.js

siteanalyze_6045719.js

44 ms

matomo.php

matomo.php

459 ms

configs.php

configs.php

396 ms

Accessibility Review

zhaw.ch accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[role] values are not valid

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

zhaw.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

zhaw.ch SEO score

91

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 Zhaw.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 Zhaw.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

zhaw.ch

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