4.1 sec in total
1.1 sec
2.7 sec
243 ms
Welcome to osr.ch homepage info - get ready to check OSR best content for Switzerland right away, or after learning these important things about osr.ch
The Orchestre de la Suisse Romande is the premier symphony orchestra of French-speaking Swizterland, and principal orchestra of the Grand Théâtre de Genève. Composed of 112 musicians, the OSR today co...
Visit osr.chWe analyzed Osr.ch page load time and found that the first response time was 1.1 sec 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.
osr.ch performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value8.8 s
1/100
25%
Value9.1 s
14/100
10%
Value720 ms
41/100
30%
Value0.06
98/100
15%
Value13.1 s
12/100
10%
1144 ms
179 ms
178 ms
446 ms
180 ms
Our browser made a total of 63 requests to load all elements on the main page. We found that 78% of them (49 requests) were addressed to the original Osr.ch, 6% (4 requests) were made to Youtube.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Osr.ch.
Page size can be reduced by 683.3 kB (46%)
1.5 MB
801.9 kB
In fact, the total size of Osr.ch main page is 1.5 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. 65% of websites need less resources to load. Images take 666.0 kB which makes up the majority of the site volume.
Potential reduce by 85.9 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 41.8 kB, which is 45% 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 85.9 kB or 92% of the original size.
Potential reduce by 50.6 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. OSR images are well optimized though.
Potential reduce by 188.8 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 188.8 kB or 62% of the original size.
Potential reduce by 358.0 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. Osr.ch needs all CSS files to be minified and compressed as it can save up to 358.0 kB or 85% of the original size.
Number of requests can be reduced by 22 (37%)
59
37
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OSR. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
osr.ch
1144 ms
reset.css
179 ms
shadowbox.css
178 ms
styles.css
446 ms
styles.css
180 ms
styles.css
180 ms
chosen.css
263 ms
owl.carousel2.css
266 ms
jquery-1.10.1.min.js
453 ms
sumo.inputplaceholder.js
267 ms
navigation.js
268 ms
sumo.carousel.min.js
352 ms
carousel.min.js
354 ms
main.js
357 ms
modernizr.custom.js
356 ms
audioPlayer.min.js
439 ms
chosen.jquery.min.js
530 ms
owl.carousel2.min.js
533 ms
2ea0e2
37 ms
analytics.js
225 ms
3izV91Fz04I
299 ms
osr-carousel
926 ms
osr.png
120 ms
icon_intranet.png
118 ms
pictos_social.png
118 ms
arrow-back.png
119 ms
arrow-next.png
118 ms
nav-separator.png
255 ms
bg_carousel.png
255 ms
OSR_photo_officielle_2017_(c)_Enrique_Pardo_basse%20def.jpg
256 ms
SamuelZeller_DSCF2483.jpg
256 ms
SamuelZeller_DSCF4625.jpg
256 ms
DSC02506.jpg
254 ms
HARI%20Olivier%20Buste%202017.jpg
322 ms
IMG_3825.jpg
410 ms
pendant%20concert.jpg
408 ms
SamuelZeller_DSCF2636.jpg
322 ms
osr_amis_geneve.jpg
322 ms
osr_amis_vaud.jpg
323 ms
bg_blue_rect.png
411 ms
osr-footer.png
410 ms
footerMap.png
505 ms
calendar-separator.png
411 ms
2EA0E2_0_0.woff
496 ms
2EA0E2_1_0.woff
504 ms
2EA0E2_2_0.woff
505 ms
AGaramondPro-Semibold.woff
586 ms
AGaramondPro-Bold.woff
592 ms
AGaramondPro-Regular.woff
671 ms
collect
12 ms
collect
51 ms
www-player-vflMqr8uC.css
3 ms
www-embed-player.js
19 ms
base.js
31 ms
id
92 ms
8K3Zg6NpZGSge3qWJUIO0OW0x1SCW4IXoAiImY1mvc4.js
80 ms
ad_status.js
79 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
70 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
76 ms
logo_ringo-vflOpz8ZI.png
85 ms
subnav_top-arrow.png
91 ms
Carousel_Lancement1718_ABO.jpg
179 ms
bg_item-inactive.png
90 ms
osr.ch accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Links do not have a discernible name
osr.ch best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
osr.ch SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Document uses legible font sizes
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osr.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 Osr.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.
osr.ch
Open Graph data is detected on the main page of OSR. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: