Tools & Wizards About Us
rco.org.uk screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% 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

  • 89

    SEO

    Google-friendlier than
    66% of websites

rco.org.uk

Royal College of Organists | Organ Courses | Organ Classes | Organ Teachers | Organ Lessons

Page Load Speed

2.1 sec in total

First Response

177 ms

Resources Loaded

1.6 sec

Page Rendered

294 ms

rco.org.uk screenshot

About Website

Click here to check amazing Rco content. Otherwise, check out these important facts you probably never knew about rco.org.uk

The Royal College of Organists is a charity and membership organisation for the promotion and advancement of organ playing and choral directing, with an offer which includes organ courses, organ class...

Visit rco.org.uk

Key Findings

We analyzed Rco.org.uk page load time and found that the first response time was 177 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

rco.org.uk performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value850 ms

34/100

30%

CLS (Cumulative Layout Shift)

Value0.068

96/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

rco.org.uk

177 ms

www.rco.org.uk

175 ms

www.rco.org.uk

338 ms

gtm.js

66 ms

modernizr-2.0.6.min.js

91 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 86% of them (44 requests) were addressed to the original Rco.org.uk, 4% (2 requests) were made to Googletagmanager.com and 4% (2 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (459 ms) belongs to the original domain Rco.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.5 kB (12%)

Content Size

873.9 kB

After Optimization

769.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rco.org.uk main page is 873.9 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. 40% of websites need less resources to load. Images take 593.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 29.4 kB

  • Original 37.3 kB
  • After minification 33.6 kB
  • After compression 7.9 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 29.4 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 11.3 kB

  • Original 593.1 kB
  • After minification 581.7 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. Rco images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 63.7 kB

  • Original 214.0 kB
  • After minification 214.0 kB
  • After compression 150.3 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 63.7 kB or 30% of the original size.

CSS Optimization

-0%

Potential reduce by 77 B

  • Original 29.6 kB
  • After minification 29.6 kB
  • After compression 29.5 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. Rco.org.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 20 (47%)

Requests Now

43

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rco. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rco.org.uk

rco.org.uk

177 ms

www.rco.org.uk

www.rco.org.uk

175 ms

www.rco.org.uk

www.rco.org.uk

338 ms

gtm.js

gtm.js

66 ms

modernizr-2.0.6.min.js

modernizr-2.0.6.min.js

91 ms

jquery-ui-1.8.16.custom.min.css

jquery-ui-1.8.16.custom.min.css

170 ms

screen.min.css

screen.min.css

231 ms

flexslider.min.css

flexslider.min.css

238 ms

slicknav.css

slicknav.css

239 ms

owl.carousel.min.css

owl.carousel.min.css

239 ms

style.min.css

style.min.css

242 ms

css

css

35 ms

font-awesome.min.css

font-awesome.min.css

246 ms

jquery.min.js

jquery.min.js

29 ms

cookieconsent.min.css

cookieconsent.min.css

307 ms

cookieconsent.min.js

cookieconsent.min.js

399 ms

js

js

76 ms

jquery.flexslider-min.min.js

jquery.flexslider-min.min.js

387 ms

jquery-ui.min.js

jquery-ui.min.js

18 ms

jquery.validate.min.js

jquery.validate.min.js

388 ms

common.min.js

common.min.js

388 ms

jquery.slicknav.js

jquery.slicknav.js

387 ms

owl.carousel.min.js

owl.carousel.min.js

388 ms

headerBg.png

headerBg.png

89 ms

logo.png

logo.png

89 ms

homepage_banner.jpg

homepage_banner.jpg

320 ms

banner.jpg

banner.jpg

232 ms

slider-3.jpg

slider-3.jpg

170 ms

slider-2.jpg

slider-2.jpg

319 ms

membership2.jpg

membership2.jpg

229 ms

learning2.jpg

learning2.jpg

244 ms

accreditation2.jpg

accreditation2.jpg

253 ms

professional_support2.jpg

professional_support2.jpg

304 ms

discover.jpg

discover.jpg

307 ms

5150-265x159.jpg

5150-265x159.jpg

320 ms

50618-265x159.jpg

50618-265x159.jpg

331 ms

49716-265x159.jpg

49716-265x159.jpg

380 ms

49895-265x159.jpg

49895-265x159.jpg

381 ms

50580-265x159.jpg

50580-265x159.jpg

394 ms

48969-265x159.jpg

48969-265x159.jpg

395 ms

50423-265x159.jpg

50423-265x159.jpg

396 ms

50349-265x159.jpg

50349-265x159.jpg

409 ms

crest.png

crest.png

456 ms

montserrat-light-webfont.woff

montserrat-light-webfont.woff

369 ms

montserrat-ultralight-webfont.woff

montserrat-ultralight-webfont.woff

382 ms

montserrat-semibold-webfont.woff

montserrat-semibold-webfont.woff

382 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

459 ms

montserrat-regular-webfont.woff

montserrat-regular-webfont.woff

399 ms

ga.js

ga.js

78 ms

__utm.gif

__utm.gif

12 ms

print.min.css

print.min.css

77 ms

Accessibility Review

rco.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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

rco.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

SEO Factors

rco.org.uk SEO score

89

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rco.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 Rco.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

rco.org.uk

Open Graph description is not detected on the main page of Rco. 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: