Tools & Wizards About Us
guildfordjazz.org.uk screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

guildfordjazz.org.uk

Guildford Jazz

Page Load Speed

1.4 sec in total

First Response

88 ms

Resources Loaded

1.1 sec

Page Rendered

226 ms

guildfordjazz.org.uk screenshot

About Website

Welcome to guildfordjazz.org.uk homepage info - get ready to check Guildford Jazz best content right away, or after learning these important things about guildfordjazz.org.uk

Guildford Jazz is a not-for-profit community arts organisation, bringing Britain’s finest jazz musicians to a local audience in an intimate and welcoming jazz club environment.

Visit guildfordjazz.org.uk

Key Findings

We analyzed Guildfordjazz.org.uk page load time and found that the first response time was 88 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 30% of websites can load faster.

Performance Metrics

guildfordjazz.org.uk performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

21/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value1,270 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.023

100/100

15%

TTI (Time to Interactive)

Value18.0 s

3/100

10%

Network Requests Diagram

www.guildfordjazz.org.uk

88 ms

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59 ms

css2

78 ms

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73 ms

legacy.js

67 ms

Our browser made a total of 42 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Guildfordjazz.org.uk, 31% (13 requests) were made to Assets.squarespace.com and 24% (10 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (722 ms) relates to the external source Images.squarespace-cdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 322.0 kB (9%)

Content Size

3.8 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Guildfordjazz.org.uk main page is 3.8 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. 75% 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 181.6 kB

  • Original 209.2 kB
  • After minification 180.8 kB
  • After compression 27.6 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 28.4 kB, which is 14% 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 181.6 kB or 87% of the original size.

Image Optimization

-4%

Potential reduce by 74.7 kB

  • Original 2.0 MB
  • After minification 1.9 MB

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. Guildford Jazz images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 65.5 kB

  • Original 1.5 MB
  • After minification 1.5 MB
  • After compression 1.5 MB

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

-1%

Potential reduce by 238 B

  • Original 19.5 kB
  • After minification 19.5 kB
  • After compression 19.2 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. Guildfordjazz.org.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (67%)

Requests Now

33

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Guildford 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 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.guildfordjazz.org.uk

www.guildfordjazz.org.uk

88 ms

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59 ms

css2

css2

78 ms

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73 ms

legacy.js

legacy.js

67 ms

modern.js

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92 ms

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99 ms

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300 ms

site.css

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83 ms

jquery.min.js

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82 ms

static.css

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70 ms

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86 ms

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65 ms

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47 ms

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Accessibility Review

guildfordjazz.org.uk accessibility score

96

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.

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

guildfordjazz.org.uk best practices score

83

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

Page has valid source maps

SEO Factors

guildfordjazz.org.uk SEO score

98

Search Engine Optimization Advices

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 Guildfordjazz.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 Guildfordjazz.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

guildfordjazz.org.uk

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