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zhaw.ch: Willkommen an der ZHAW | ZHAW Zürcher Hochschule für Angewandte Wissenschaften

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

Page load speed analysis

  • 60/100

    Normal result
  • 7

    Successful tests
  • 1

    Failed test
  • First response

    443 ms

  • Resources loaded

    7.3 sec

  • Page rendered

    2.8 sec

  • Total page load time

    10.6 sec

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

We analyzed Zhaw.ch page load time and found that the first response time was 443 ms and then it took 10.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Page optimization

  • HTML 118.2 kB
    Images 3.7 MB
    Javascripts 2.0 MB
    CSS 233.7 kB

    In fact, the total size of Zhaw.ch main page is 6.0 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. 70% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

    • Original 118.2 kB
    • After minification 114.0 kB
    • After compression 17.8 kB

    HTML optimization

    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 100.4 kB or 85% of the original size.

    • Original 3.7 MB
    • After optimization 3.5 MB

    Image optimization

    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. ZHAW images are well optimized though.

    • Original 2.0 MB
    • After minification 1.1 MB
    • After compression 327.0 kB

    JavaScript optimization

    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 1.7 MB or 84% of the original size.

    • Original 233.7 kB
    • After minification 193.3 kB
    • After compression 32.2 kB

    CSS optimization

    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. Zhaw.ch needs all CSS files to be minified and compressed as it can save up to 201.5 kB or 86% of the original size.

Network requests diagram

  • zhaw.ch
  • bootstrap.min.css
  • merged-bb3d23ef02023ca6c3b1b81f7ab1d8cb.css
  • HeadJsConfig.js
  • head.min.js
  • ParsleyConfig.js
  • main.js
  • js
  • markermanager.js
  • infobubble.js
  • oms.min.js
  • wecmap.js
  • copyrights.js
  • angular-1.4.7.js
  • angular-sanitize.js
  • app.js
  • jquery-2.1.4.min.js
  • jQuery.zhaw-extend.js
  • bootstrap.min.js
  • LoadOnDependency.js
  • jquery.datetimepicker.js
  • parsley.min.js
  • Tabs.js
  • Form.js
  • ZhawDirectaccess.js
  • ZhawOnePersonTestimonial.js
  • ZhawThreePersonTestimonial.js
  • BackInContext.js
  • Powermail.js
  • ZhawPersonImageScaling.js
  • NavigationFooter.js
  • SearchFilterDropdown.js
  • NavigationSearch.js
  • 12750113_1129524513725424_2147089643_n.jpg
  • Logo_ZHAW.png
  • zhaw-linguistik-sm.jpg
  • zhaw-psychologie-toniareal.jpg
  • zhaw-archbau-la.png
  • zhaw-gesundheit-tn.jpg
  • zhaw-lsfm-ga.jpg
  • zhaw-engineering-th.jpg
  • zhaw-sml-sw.jpg
  • zhaw-sozialearbeit-toniareal.jpg
  • 150902-6863.jpg
  • essen-zukunft.jpg
  • zhaw_glyphicons-webfont.woff
  • HelveticaRoundedBold.woff
  • jquery.columnizer.js
  • ContentTwoColumns.js
  • ZhawContentTwoColumns.css
  • jquery.responsiveimages.js
  • ResponsiveImages.js
  • ZhawStage.js
  • responsiveslides.js
  • ZhawResponsiveSlides.css
  • ResponsiveSlidesDontSplit.js
  • jquery.magnific-popup.js
  • MagnificPopup.js
  • ZhawMagnificPopup.css
  • MagnificPopupSlidesDontSplit.js
  • NavigationDesktop.js
  • ZhawDirectaccessTablet.js
  • ZhawPartnerlink.js
  • SocialMediaShare.js
  • imagesloaded.min.js
  • ZhawNewswall.js
  • YagThemeZhaw.js
  • clear.gif
  • zhaw-SM2752.jpg
  • piwik.js
  • view_search_box_top.html
  • common.js
  • map.js
  • iw_close.gif
  • util.js
  • marker.js
  • ResponsiveSlidesSplit.js
  • MagnificPopupSlidesSplit.js
  • onion.js

Our browser made a total of 80 requests to load all elements on the main page. We found that 89% of them (71 requests) were addressed to the original Zhaw.ch, 8% (6 requests) were made to Maps.googleapis.com and 1% (1 request) were made to Scontent.cdninstagram.com. The less responsive or slowest element that took the longest time to load (3.3 sec) belongs to the original domain Zhaw.ch.

Additional info on zhaw.ch

Requests

The browser has sent 78 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 55 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

55

Javascripts

15

Images

5

CSS

3

AJAX

78

All

Possible request optimization

1

Javascripts

15

Images

1

CSS

3

AJAX

58

Optimized

20

All

Normal result

Redirects

As for redirects, our browser was forwarded to http://www.zhaw.ch// before it reached this domain.

IP address

This IP address is dedicated to Zhaw.ch. This is the best domain hosting practice .

Normal result

IP Trace

zhaw.ch

160.85.104.112

DNS records

Type Host Target/ip TTL Other
A

zhaw.ch

160.85.104.112 293
NS

zhaw.ch

scsnms.switch.ch 300
NS

zhaw.ch

ns1.zhaw.ch 300
NS

zhaw.ch

ns2.zhaw.ch 300
SOA

zhaw.ch

300 Mname: ns1.zhaw.ch
Rname: hostmaster.zhaw.ch
Serial: 2007115561
Refresh: 3600
Retry: 360
Expire: 604800
Minimum-ttl: 300

Language and encoding

Good result

Language

DE de language flag

Detected

DE de language flag

Claimed

Encoding

UTF-8

Claimed

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.

HTTPS certificate

SSL Certificate

Zhaw.ch has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Poor result

Visitor World Map

Country of origin for 92.8% of all visits is Switzerland. It’s good for Zhaw.ch that their server is also located in Switzerland, as that enables the majority of their visitors to benefit from a much faster page load time.

Good result

Normal result

Social Sharing Optimization

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

zhaw.ch

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