19.8 sec in total
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Welcome to london.jazzcalendars.com homepage info - get ready to check London Jazz Calendar S best content for Finland right away, or after learning these important things about london.jazzcalendars.com
Jazz Calendars presents jazz in London. All the jazz clubs in London and events happening around the corner from you, 7 days a week.
Visit london.jazzcalendars.comWe analyzed London.jazzcalendars.com page load time and found that the first response time was 7.8 sec and then it took 12 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
london.jazzcalendars.com performance score
name
value
score
weighting
Value6.5 s
2/100
10%
Value7.8 s
3/100
25%
Value18.7 s
0/100
10%
Value15,690 ms
0/100
30%
Value0.132
81/100
15%
Value26.2 s
0/100
10%
7816 ms
45 ms
41 ms
85 ms
89 ms
Our browser made a total of 156 requests to load all elements on the main page. We found that 85% of them (132 requests) were addressed to the original London.jazzcalendars.com, 5% (8 requests) were made to Fonts.gstatic.com and 3% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (7.8 sec) belongs to the original domain London.jazzcalendars.com.
Page size can be reduced by 2.3 MB (28%)
8.0 MB
5.8 MB
In fact, the total size of London.jazzcalendars.com main page is 8.0 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. 85% 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 5.4 MB which makes up the majority of the site volume.
Potential reduce by 472.1 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 472.1 kB or 89% of the original size.
Potential reduce by 33.4 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. London Jazz Calendar S images are well optimized though.
Potential reduce by 654.0 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 654.0 kB or 77% of the original size.
Potential reduce by 1.1 MB
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. London.jazzcalendars.com needs all CSS files to be minified and compressed as it can save up to 1.1 MB or 88% of the original size.
Number of requests can be reduced by 58 (40%)
145
87
The browser has sent 145 CSS, Javascripts, AJAX and image requests in order to completely render the main page of London Jazz Calendar S. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 29 to 1 for CSS and as a result speed up the page load time.
london.jazzcalendars.com
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london.jazzcalendars.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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
london.jazzcalendars.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Issues were logged in the Issues panel in Chrome Devtools
london.jazzcalendars.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise London.jazzcalendars.com 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 London.jazzcalendars.com 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.
london.jazzcalendars.com
Open Graph data is detected on the main page of London Jazz Calendar S. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: