Tools & Wizards About Us

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

halcyongallery.com

Halcyon Gallery – Contemporary Art Gallery, London

Page Load Speed

14.8 sec in total

First Response

3.2 sec

Resources Loaded

10.9 sec

Page Rendered

640 ms

About Website

Welcome to halcyongallery.com homepage info - get ready to check Halcyon Gallery best content for United Kingdom right away, or after learning these important things about halcyongallery.com

Established in 1982, Halcyon Gallery is a leading international art gallery specialising in modern and contemporary art. With locations on Bond Street and at Harrods, Knightsbridge, Halcyon Gallery sh...

Visit halcyongallery.com

Key Findings

We analyzed Halcyongallery.com page load time and found that the first response time was 3.2 sec and then it took 11.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

halcyongallery.com performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value8.0 s

22/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.7 s

28/100

10%

Network Requests Diagram

halcyongallery.com

3249 ms

www.halcyongallery.com

762 ms

96c0cf36-e358-4252-a708-0e1f1ecb2ac6.js

60 ms

screen.ca7ae9af9e8825b8f9b7bb2027d03e91.css

81 ms

modernizr-2.6.2.min.js

155 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 63% of them (24 requests) were addressed to the original Halcyongallery.com, 8% (3 requests) were made to Maps.google.com and 5% (2 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (5.9 sec) belongs to the original domain Halcyongallery.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 586.8 kB (18%)

Content Size

3.2 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Halcyongallery.com main page is 3.2 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. 40% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 31.8 kB

  • Original 39.9 kB
  • After minification 35.9 kB
  • After compression 8.1 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 31.8 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 63.8 kB

  • Original 2.5 MB
  • After minification 2.4 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. Halcyon Gallery images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 449.0 kB

  • Original 645.5 kB
  • After minification 579.4 kB
  • After compression 196.4 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 449.0 kB or 70% of the original size.

CSS Optimization

-79%

Potential reduce by 42.2 kB

  • Original 53.5 kB
  • After minification 53.2 kB
  • After compression 11.3 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. Halcyongallery.com needs all CSS files to be minified and compressed as it can save up to 42.2 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (49%)

Requests Now

35

After Optimization

18

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Halcyon Gallery. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

halcyongallery.com accessibility score

88

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

halcyongallery.com 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

Missing source maps for large first-party JavaScript

SEO Factors

halcyongallery.com SEO score

91

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

Links do not have descriptive text

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Halcyongallery.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Halcyongallery.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.

Social Sharing Optimization

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