3.4 sec in total
538 ms
2.4 sec
479 ms
Click here to check amazing Concert And Co content for France. Otherwise, check out these important facts you probably never knew about concertandco.com
Concert And Co, toutes les dates de concert et de festival. Billetterie concert, critique de concert, salle de concert dans toute la France, en Belgique et en Suisse.
Visit concertandco.comWe analyzed Concertandco.com page load time and found that the first response time was 538 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
concertandco.com performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value8.9 s
1/100
25%
Value7.1 s
31/100
10%
Value1,120 ms
23/100
30%
Value0.048
99/100
15%
Value13.6 s
11/100
10%
538 ms
157 ms
163 ms
162 ms
245 ms
Our browser made a total of 234 requests to load all elements on the main page. We found that 35% of them (81 requests) were addressed to the original Concertandco.com, 9% (20 requests) were made to Pbs.twimg.com and 6% (14 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (930 ms) belongs to the original domain Concertandco.com.
Page size can be reduced by 540.9 kB (21%)
2.6 MB
2.0 MB
In fact, the total size of Concertandco.com main page is 2.6 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 76.8 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 76.8 kB or 77% of the original size.
Potential reduce by 86.4 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. Concert And Co images are well optimized though.
Potential reduce by 279.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 279.3 kB or 66% of the original size.
Potential reduce by 98.5 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. Concertandco.com needs all CSS files to be minified and compressed as it can save up to 98.5 kB or 88% of the original size.
Number of requests can be reduced by 114 (53%)
217
103
The browser has sent 217 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Concert And Co. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 41 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
www.concertandco.com
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concertandco.com accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
concertandco.com 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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
concertandco.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
FR
N/A
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Concertandco.com can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Concertandco.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
concertandco.com
Open Graph description is not detected on the main page of Concert And Co. 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: