Report Summary

  • 27

    Performance

    Renders faster than
    48% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cullyjazz.ch

Cully Jazz Festival

Page Load Speed

1.5 sec in total

First Response

164 ms

Resources Loaded

1.1 sec

Page Rendered

264 ms

cullyjazz.ch screenshot

About Website

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

Tous les ans, le jazz est à la fête dans le village de Cully, avec des concerts prestigieux. Durant neuf jours, près de 140 concerts et une vingtaine d’événements consacrés au jazz et à ses musiques c...

Visit cullyjazz.ch

Key Findings

We analyzed Cullyjazz.ch page load time and found that the first response time was 164 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

cullyjazz.ch performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

cullyjazz.ch

164 ms

www.cullyjazz.ch

204 ms

css

25 ms

merged-b8866478bd2b0126f00ea0502133e399-49b143ad2b63b9d25c900b5ca01d2527.css.gzip

154 ms

picturefill.min-28fc6a4c84dc034611b35e7fc6e85f58.js.gzip

153 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 48% of them (13 requests) were addressed to the original Cullyjazz.ch, 15% (4 requests) were made to F.vimeocdn.com and 11% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (490 ms) belongs to the original domain Cullyjazz.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 744.8 kB (64%)

Content Size

1.2 MB

After Optimization

411.0 kB

In fact, the total size of Cullyjazz.ch main page is 1.2 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. 45% of websites need less resources to load. Javascripts take 645.2 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.6 kB

  • Original 24.2 kB
  • After minification 19.0 kB
  • After compression 5.6 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 5.2 kB, which is 22% 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 18.6 kB or 77% of the original size.

Image Optimization

-26%

Potential reduce by 57.8 kB

  • Original 224.9 kB
  • After minification 167.0 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, Cully Jazz needs image optimization as it can save up to 57.8 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 446.7 kB

  • Original 645.2 kB
  • After minification 573.8 kB
  • After compression 198.5 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 446.7 kB or 69% of the original size.

CSS Optimization

-85%

Potential reduce by 221.7 kB

  • Original 261.4 kB
  • After minification 258.4 kB
  • After compression 39.8 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. Cullyjazz.ch needs all CSS files to be minified and compressed as it can save up to 221.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (46%)

Requests Now

24

After Optimization

13

The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cully Jazz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cullyjazz.ch accessibility score

90

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Links do not have a discernible name

Best Practices

cullyjazz.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

High

Missing source maps for large first-party JavaScript

SEO Factors

cullyjazz.ch SEO score

83

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

Document doesn't have a valid hreflang

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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cullyjazz.ch can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Cullyjazz.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 description is not detected on the main page of Cully Jazz. 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: