Tools & Wizards About Us
rosengart.ch screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

rosengart.ch

Sammlung Rosengart Luzern - The Rosengart Collection Lucerne – a very warm welcome!

Page Load Speed

4.5 sec in total

First Response

812 ms

Resources Loaded

3.5 sec

Page Rendered

236 ms

rosengart.ch screenshot

About Website

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

The Rosengart Collection Lucerne allows you to enjoy modern classics in a personal setting, including outstanding works by Picasso, Klee, Miró, Monet and Chagall among others.

Visit rosengart.ch

Key Findings

We analyzed Rosengart.ch page load time and found that the first response time was 812 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

rosengart.ch performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value7.8 s

44/100

10%

Network Requests Diagram

812 ms

jquery.includeMany-1.2.2.min.js

127 ms

analytics.js

30 ms

js

61 ms

bootstrap-theme.min.css

51 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 76% of them (35 requests) were addressed to the original Rosengart.ch, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Rosengart.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 252.0 kB (3%)

Content Size

7.8 MB

After Optimization

7.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rosengart.ch main page is 7.8 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. 35% of websites need less resources to load. Images take 7.4 MB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 232.2 kB

  • Original 322.5 kB
  • After minification 318.0 kB
  • After compression 90.3 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. 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 232.2 kB or 72% of the original size.

Image Optimization

-0%

Potential reduce by 7.6 kB

  • Original 7.4 MB
  • After minification 7.4 MB

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. Rosengart images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 2.3 kB

  • Original 46.6 kB
  • After minification 46.6 kB
  • After compression 44.3 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.

CSS Optimization

-17%

Potential reduce by 9.9 kB

  • Original 59.8 kB
  • After minification 59.7 kB
  • After compression 49.9 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. Rosengart.ch needs all CSS files to be minified and compressed as it can save up to 9.9 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (55%)

Requests Now

42

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rosengart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

812 ms

jquery.includeMany-1.2.2.min.js

jquery.includeMany-1.2.2.min.js

127 ms

analytics.js

analytics.js

30 ms

js

js

61 ms

bootstrap-theme.min.css

bootstrap-theme.min.css

51 ms

font-awesome.min.css

font-awesome.min.css

226 ms

bootstrap.css

bootstrap.css

423 ms

layout.css

layout.css

320 ms

modules.css

modules.css

298 ms

text.css

text.css

318 ms

responsive.css

responsive.css

321 ms

unslider.css

unslider.css

354 ms

unslider-dots.css

unslider-dots.css

428 ms

magnific-popup.css

magnific-popup.css

443 ms

bootstrap.min.js

bootstrap.min.js

66 ms

unslider-min.js

unslider-min.js

420 ms

jquery.nav.js

jquery.nav.js

418 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

494 ms

javascript.js

javascript.js

517 ms

wejs

wejs

88 ms

collect

collect

54 ms

fff

fff

51 ms

home_headerbild_v1.jpg

home_headerbild_v1.jpg

196 ms

White-Background-9B1.jpg

White-Background-9B1.jpg

352 ms

logo-schriftzug_en-3.svg

logo-schriftzug_en-3.svg

127 ms

aussen_balken.jpg

aussen_balken.jpg

510 ms

fotoimprofilar.jpg

fotoimprofilar.jpg

775 ms

D-Aussenansicht,MuseumSammlungRosengart,Luzern.E-Exterior,RosengartCollection,Lucerne.jpg

D-Aussenansicht,MuseumSammlungRosengart,Luzern.E-Exterior,RosengartCollection,Lucerne.jpg

1020 ms

rosengart_x-chen_angeschnitten.jpg

rosengart_x-chen_angeschnitten.jpg

355 ms

rosengart_film.jpg

rosengart_film.jpg

299 ms

rosengart_unterschrift-picasso.jpg

rosengart_unterschrift-picasso.jpg

434 ms

rosengart_quadrat_frau-strohhut.jpg

rosengart_quadrat_frau-strohhut.jpg

642 ms

rosengart_frau-rosengart-portrait.jpg

rosengart_frau-rosengart-portrait.jpg

550 ms

Sammlung.jpg

Sammlung.jpg

658 ms

rosengart_tripadvisor_250x250_en.thumb_thumbnail.png

rosengart_tripadvisor_250x250_en.thumb_thumbnail.png

610 ms

Unknown.thumb_thumbnail.jpeg

Unknown.thumb_thumbnail.jpeg

650 ms

Unknown.thumb_thumbnail.png

Unknown.thumb_thumbnail.png

716 ms

bd26bfea-b97f-4b32-b5f6-504be0b1938d.woff

bd26bfea-b97f-4b32-b5f6-504be0b1938d.woff

737 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

723 ms

WidgetEmbed-tchotel

WidgetEmbed-tchotel

206 ms

js

js

41 ms

ui.js

ui.js

702 ms

Ihr-Warenkorb

Ihr-Warenkorb

927 ms

t4b_widget_tch-v2496016707a.css

t4b_widget_tch-v2496016707a.css

26 ms

cdswidgets_m-c-v22480917520a.js

cdswidgets_m-c-v22480917520a.js

26 ms

print.css

print.css

101 ms

Accessibility Review

rosengart.ch accessibility score

60

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

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

rosengart.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

rosengart.ch SEO score

82

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rosengart.ch can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Rosengart.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

rosengart.ch

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