Report Summary

  • 75

    Performance

    Renders faster than
    84% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

katharinehousegallery.co.uk

Katharine House Gallery, Modern British Art, Marlborough Wiltshire

Page Load Speed

1.2 sec in total

First Response

243 ms

Resources Loaded

883 ms

Page Rendered

95 ms

katharinehousegallery.co.uk screenshot

About Website

Welcome to katharinehousegallery.co.uk homepage info - get ready to check Katharine House Gallery best content right away, or after learning these important things about katharinehousegallery.co.uk

Katharine House Gallery specialists in Modern British Art. Since the early 1990s, Katharine House Gallery has dealt in Modern British Art particularly the post-war period.

Visit katharinehousegallery.co.uk

Key Findings

We analyzed Katharinehousegallery.co.uk page load time and found that the first response time was 243 ms and then it took 978 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

katharinehousegallery.co.uk performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.454

20/100

15%

TTI (Time to Interactive)

Value2.6 s

98/100

10%

Network Requests Diagram

katharinehousegallery.co.uk

243 ms

slicknav.css

95 ms

publicV7.css

175 ms

jquery.min.js

441 ms

jquery.slicknav.js

272 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 83% of them (10 requests) were addressed to the original Katharinehousegallery.co.uk, 17% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (441 ms) belongs to the original domain Katharinehousegallery.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 142.1 kB (47%)

Content Size

300.9 kB

After Optimization

158.8 kB

In fact, the total size of Katharinehousegallery.co.uk main page is 300.9 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. 20% of websites need less resources to load. Images take 145.4 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 6.0 kB

  • Original 8.7 kB
  • After minification 8.5 kB
  • After compression 2.8 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 6.0 kB or 69% of the original size.

Image Optimization

-31%

Potential reduce by 45.3 kB

  • Original 145.4 kB
  • After minification 100.1 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. Obviously, Katharine House Gallery needs image optimization as it can save up to 45.3 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 81.1 kB

  • Original 134.6 kB
  • After minification 124.0 kB
  • After compression 53.5 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 81.1 kB or 60% of the original size.

CSS Optimization

-80%

Potential reduce by 9.7 kB

  • Original 12.1 kB
  • After minification 9.0 kB
  • After compression 2.5 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. Katharinehousegallery.co.uk needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Katharine House Gallery. According to our analytics all requests are already optimized.

Accessibility Review

katharinehousegallery.co.uk accessibility score

81

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Links do not have a discernible name

Best Practices

katharinehousegallery.co.uk best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

katharinehousegallery.co.uk SEO score

92

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

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 Katharinehousegallery.co.uk 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 Katharinehousegallery.co.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

Open Graph description is not detected on the main page of Katharine House Gallery. 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: