Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

en.usz.ch

USZ – University Hospital Zurich

Page Load Speed

3.2 sec in total

First Response

328 ms

Resources Loaded

2.7 sec

Page Rendered

169 ms

en.usz.ch screenshot

About Website

Visit en.usz.ch now to see the best up-to-date En USZ content for Germany and also check out these interesting facts you probably never knew about en.usz.ch

The USZ is open to everyone every day and provides primary health care and cutting-edge medicine at the heart of Zurich.

Visit en.usz.ch

Key Findings

We analyzed En.usz.ch page load time and found that the first response time was 328 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

en.usz.ch performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.9 s

100/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

en.usz.ch

328 ms

cookie-check

110 ms

en.usz.ch

114 ms

www.en.usz.ch

324 ms

default.aspx

611 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 88% of them (30 requests) were addressed to the original En.usz.ch, 9% (3 requests) were made to Google-analytics.com and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (771 ms) belongs to the original domain En.usz.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (63%)

Content Size

1.6 MB

After Optimization

596.6 kB

In fact, the total size of En.usz.ch main page is 1.6 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. 40% of websites need less resources to load. Javascripts take 674.6 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 38.5 kB

  • Original 50.9 kB
  • After minification 45.4 kB
  • After compression 12.4 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. This page needs HTML code to be minified as it can gain 5.5 kB, which is 11% 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 38.5 kB or 76% of the original size.

Image Optimization

-14%

Potential reduce by 54.8 kB

  • Original 381.8 kB
  • After minification 327.0 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. Obviously, En USZ needs image optimization as it can save up to 54.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 479.9 kB

  • Original 674.6 kB
  • After minification 652.2 kB
  • After compression 194.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 479.9 kB or 71% of the original size.

CSS Optimization

-88%

Potential reduce by 462.0 kB

  • Original 524.5 kB
  • After minification 433.1 kB
  • After compression 62.5 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. En.usz.ch needs all CSS files to be minified and compressed as it can save up to 462.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (38%)

Requests Now

29

After Optimization

18

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of En USZ. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

en.usz.ch accessibility score

93

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

en.usz.ch best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

en.usz.ch SEO score

67

Search Engine Optimization Advices

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 En.usz.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 En.usz.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

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