Tools & Wizards About Us
serious.org.uk screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

serious.org.uk

Serious

Page Load Speed

1.7 sec in total

First Response

169 ms

Resources Loaded

1.2 sec

Page Rendered

315 ms

serious.org.uk screenshot

About Website

Click here to check amazing Serious content for United Kingdom. Otherwise, check out these important facts you probably never knew about serious.org.uk

Serious create and produce jazz, world & contemporary music concerts, shows and tours, working with artists and musicians from the UK and internationally

Visit serious.org.uk

Key Findings

We analyzed Serious.org.uk page load time and found that the first response time was 169 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

serious.org.uk performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

70/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,390 ms

16/100

30%

CLS (Cumulative Layout Shift)

Value0.051

99/100

15%

TTI (Time to Interactive)

Value16.2 s

5/100

10%

Network Requests Diagram

serious.org.uk

169 ms

serious.org.uk

154 ms

layout.e511cd6d154ec76d5547.css

17 ms

serious.d60b41deea9ecfa12ab0.css

41 ms

font-awesome.293f10b0c9e4f2d6d049.css

56 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 42% of them (15 requests) were addressed to the original Serious.org.uk, 25% (9 requests) were made to S3.serious.org.uk and 8% (3 requests) were made to Webcomponents.spektrix.com. The less responsive or slowest element that took the longest time to load (817 ms) relates to the external source S3.serious.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 88.4 kB (11%)

Content Size

822.8 kB

After Optimization

734.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Serious.org.uk main page is 822.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. Images take 665.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 34.0 kB

  • Original 42.5 kB
  • After minification 32.0 kB
  • After compression 8.5 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 10.5 kB, which is 25% 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 34.0 kB or 80% of the original size.

Image Optimization

-5%

Potential reduce by 32.5 kB

  • Original 665.5 kB
  • After minification 633.0 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. Serious images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 946 B

  • Original 31.7 kB
  • After minification 31.6 kB
  • After compression 30.7 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

-25%

Potential reduce by 21.0 kB

  • Original 83.1 kB
  • After minification 74.1 kB
  • After compression 62.1 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. Serious.org.uk needs all CSS files to be minified and compressed as it can save up to 21.0 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (52%)

Requests Now

27

After Optimization

13

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Serious. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

serious.org.uk

serious.org.uk

169 ms

serious.org.uk

serious.org.uk

154 ms

layout.e511cd6d154ec76d5547.css

layout.e511cd6d154ec76d5547.css

17 ms

serious.d60b41deea9ecfa12ab0.css

serious.d60b41deea9ecfa12ab0.css

41 ms

font-awesome.293f10b0c9e4f2d6d049.css

font-awesome.293f10b0c9e4f2d6d049.css

56 ms

css2

css2

46 ms

webcomponents-loader.js

webcomponents-loader.js

48 ms

spektrix-component-loader.js

spektrix-component-loader.js

51 ms

js

js

93 ms

custom.74290c8c43cd527b58ab.js

custom.74290c8c43cd527b58ab.js

44 ms

form-validation.918ddf28acba0d053327.js

form-validation.918ddf28acba0d053327.js

250 ms

aw.26be7c277a2af5007f93.js

aw.26be7c277a2af5007f93.js

31 ms

htmx.min.js

htmx.min.js

43 ms

5.1.0

5.1.0

90 ms

webcomponents-lite.js

webcomponents-lite.js

25 ms

fbevents.js

fbevents.js

67 ms

Makaya_McCraven_1_VillageUnderground_TatianaGorilovsky_2020-10-28-100349.jpg

Makaya_McCraven_1_VillageUnderground_TatianaGorilovsky_2020-10-28-100349.jpg

280 ms

LJF2023-Social-Media-Cover-ImagesFacebook-Cover-Image.jpg

LJF2023-Social-Media-Cover-ImagesFacebook-Cover-Image.jpg

498 ms

Jaga-Jazzist-RFH-Emile-Holba_2020-10-28-100610.jpg

Jaga-Jazzist-RFH-Emile-Holba_2020-10-28-100610.jpg

814 ms

Woodkid-@-Roundhouse-c-An.jpg

Woodkid-@-Roundhouse-c-An.jpg

817 ms

FY4A2771_JPEG-2048px-for-web-use_Apr-07-2023_2023-11-08-102310_pknr.jpg

FY4A2771_JPEG-2048px-for-web-use_Apr-07-2023_2023-11-08-102310_pknr.jpg

788 ms

Screenshot-2024-02-13-145844.png

Screenshot-2024-02-13-145844.png

525 ms

Keychange_Logo_20190912_RZ_rgb_1000px.jpg

Keychange_Logo_20190912_RZ_rgb_1000px.jpg

521 ms

Black-Lives-in-Music.png

Black-Lives-in-Music.png

719 ms

DC_LOGO_OpenGraph.png

DC_LOGO_OpenGraph.png

732 ms

logo-white.svg

logo-white.svg

48 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4nY1M2xYkS.ttf

167 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4nY1M2xYkS.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4nY1M2xYkS.ttf

181 ms

js

js

79 ms

render

render

603 ms

2006c9ff100617e95eb8.ttf

2006c9ff100617e95eb8.ttf

142 ms

ba0c0a7588d6b4fc8fb7.ttf

ba0c0a7588d6b4fc8fb7.ttf

200 ms

6fa0a8232f0352e4c0f8.ttf

6fa0a8232f0352e4c0f8.ttf

295 ms

JTUSjIg69CK48gW7PXooxW5rzAbj.ttf

JTUSjIg69CK48gW7PXooxW5rzAbj.ttf

60 ms

0601cf57e567a5aa17eb.ttf

0601cf57e567a5aa17eb.ttf

113 ms

main.js

main.js

51 ms

Accessibility Review

serious.org.uk accessibility score

93

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

Image elements do not have [alt] attributes

Best Practices

serious.org.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

serious.org.uk SEO score

90

Search Engine Optimization Advices

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 Serious.org.uk 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 Serious.org.uk 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

serious.org.uk

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