Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

rca.ac.uk

Royal College of Art | Home

Page Load Speed

182.9 sec in total

First Response

375 ms

Resources Loaded

33.5 sec

Page Rendered

149.1 sec

rca.ac.uk screenshot

About Website

Click here to check amazing Rca content for United Kingdom. Otherwise, check out these important facts you probably never knew about rca.ac.uk

The Royal College of Art is the world’s most influential postgraduate institution of art and design. Find out about courses, research and innovation here.

Visit rca.ac.uk

Key Findings

We analyzed Rca.ac.uk page load time and found that the first response time was 375 ms and then it took 182.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

rca.ac.uk performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value10.5 s

23/100

10%

Network Requests Diagram

rca.ac.uk

375 ms

www.rca.ac.uk

427 ms

www.rca.ac.uk

1572 ms

2dc77ba2-6663-49b6-9e6c-aa009c06648b.css

1730 ms

e435eb0f3901.css

2449 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 78% of them (62 requests) were addressed to the original Rca.ac.uk, 5% (4 requests) were made to Cloud.webtype.com and 3% (2 requests) were made to Js.stripe.com. The less responsive or slowest element that took the longest time to load (15.1 sec) relates to the external source Pls.webtype.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (39%)

Content Size

5.6 MB

After Optimization

3.4 MB

In fact, the total size of Rca.ac.uk main page is 5.6 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. 65% of websites need less resources to load. Images take 4.3 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 205.3 kB

  • Original 228.7 kB
  • After minification 145.1 kB
  • After compression 23.4 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 83.6 kB, which is 37% 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 205.3 kB or 90% of the original size.

Image Optimization

-29%

Potential reduce by 1.2 MB

  • Original 4.3 MB
  • After minification 3.1 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. Obviously, Rca needs image optimization as it can save up to 1.2 MB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 396.3 kB

  • Original 625.9 kB
  • After minification 625.4 kB
  • After compression 229.6 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 396.3 kB or 63% of the original size.

CSS Optimization

-81%

Potential reduce by 383.4 kB

  • Original 473.2 kB
  • After minification 403.9 kB
  • After compression 89.8 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. Rca.ac.uk needs all CSS files to be minified and compressed as it can save up to 383.4 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (19%)

Requests Now

73

After Optimization

59

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rca. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

rca.ac.uk accessibility score

100

Accessibility Issues

Best Practices

rca.ac.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

SEO Factors

rca.ac.uk SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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