Tools & Wizards About Us
rncb.ac.uk screenshot

Report Summary

  • 56

    Performance

    Renders faster than
    72% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

rncb.ac.uk

A specialist residential college for young people with visual impairment

Page Load Speed

7.7 sec in total

First Response

802 ms

Resources Loaded

6.5 sec

Page Rendered

339 ms

rncb.ac.uk screenshot

About Website

Visit rncb.ac.uk now to see the best up-to-date Rncb content and also check out these interesting facts you probably never knew about rncb.ac.uk

The UK's leading specialist residential college of further education and training for young people with a visual impairment. The College experience is more than vocational and academic qualifications....

Visit rncb.ac.uk

Key Findings

We analyzed Rncb.ac.uk page load time and found that the first response time was 802 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

rncb.ac.uk performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value23.8 s

0/100

25%

SI (Speed Index)

Value4.3 s

75/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value10.2 s

25/100

10%

Network Requests Diagram

rncb.ac.uk

802 ms

jquery-2.2.4.min.js

60 ms

bootstrap.min.css

73 ms

css2

85 ms

bootstrap.min.js

89 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 49% of them (33 requests) were addressed to the original Rncb.ac.uk, 22% (15 requests) were made to Cdn.userway.org and 6% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Rncb.ac.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (4%)

Content Size

27.7 MB

After Optimization

26.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rncb.ac.uk main page is 27.7 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 27.5 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 47.9 kB

  • Original 59.4 kB
  • After minification 52.4 kB
  • After compression 11.5 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 7.1 kB, which is 12% 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 47.9 kB or 81% of the original size.

Image Optimization

-3%

Potential reduce by 938.1 kB

  • Original 27.5 MB
  • After minification 26.5 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. Rncb images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 19.5 kB

  • Original 100.9 kB
  • After minification 93.9 kB
  • After compression 81.3 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 19.5 kB or 19% of the original size.

CSS Optimization

-87%

Potential reduce by 23.7 kB

  • Original 27.4 kB
  • After minification 16.8 kB
  • After compression 3.7 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. Rncb.ac.uk needs all CSS files to be minified and compressed as it can save up to 23.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (30%)

Requests Now

53

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rncb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

rncb.ac.uk

rncb.ac.uk

802 ms

jquery-2.2.4.min.js

jquery-2.2.4.min.js

60 ms

bootstrap.min.css

bootstrap.min.css

73 ms

css2

css2

85 ms

bootstrap.min.js

bootstrap.min.js

89 ms

icofont.min.css

icofont.min.css

173 ms

style.css

style.css

257 ms

js

js

94 ms

plugin.js

plugin.js

84 ms

WebResource.axd

WebResource.axd

256 ms

element.js

element.js

64 ms

js

js

57 ms

popper.js

popper.js

117 ms

js

js

94 ms

analytics.js

analytics.js

30 ms

02-2023%20Royal%20Visit.jpg

02-2023%20Royal%20Visit.jpg

1009 ms

rnc-logo.png

rnc-logo.png

285 ms

tab1.png

tab1.png

830 ms

tab2.png

tab2.png

887 ms

tab3a.png

tab3a.png

937 ms

circ.png

circ.png

1718 ms

events1.png.ashx

events1.png.ashx

1211 ms

Victoria%20and%20Otto1.jpg

Victoria%20and%20Otto1.jpg

1266 ms

bbs.png

bbs.png

966 ms

blindcare.png

blindcare.png

1023 ms

cdi.png

cdi.png

1051 ms

cyberessentials_certification%20mark_colour%20.png

cyberessentials_certification%20mark_colour%20.png

1097 ms

DofE%20logo.jpeg

DofE%20logo.jpeg

1111 ms

fundraising-regulator-logo.png

fundraising-regulator-logo.png

1138 ms

goalball.png

goalball.png

1184 ms

offsted.png

offsted.png

1212 ms

tass.png

tass.png

1231 ms

thepoint.png

thepoint.png

1276 ms

VICTA_logo-300x300.jpg

VICTA_logo-300x300.jpg

1291 ms

facebook.png

facebook.png

1292 ms

instagram.png

instagram.png

1309 ms

linkedin.png

linkedin.png

1344 ms

tiktok.png

tiktok.png

1356 ms

twitter.png

twitter.png

1363 ms

youtube.png

youtube.png

1370 ms

mask.png

mask.png

1373 ms

Rectangle%20143@2x.png

Rectangle%20143@2x.png

1406 ms

Rectangle-143@2x.png

Rectangle-143@2x.png

5513 ms

Rectangle%20143@2xa.png

Rectangle%20143@2xa.png

2718 ms

P5sfzZCDf9_T_3cV7NCUECyoxNk37cxsBw.ttf

P5sfzZCDf9_T_3cV7NCUECyoxNk37cxsBw.ttf

160 ms

P5sfzZCDf9_T_3cV7NCUECyoxNk3CstsBw.ttf

P5sfzZCDf9_T_3cV7NCUECyoxNk3CstsBw.ttf

161 ms

collect

collect

103 ms

js

js

106 ms

widget.js

widget.js

230 ms

collect

collect

117 ms

widget_app_base_1716562046528.js

widget_app_base_1716562046528.js

17 ms

Kd5wrYxupV

Kd5wrYxupV

338 ms

enrich

enrich

368 ms

en-US.json

en-US.json

9 ms

collect

collect

15 ms

remediation-tool-free.js

remediation-tool-free.js

25 ms

metropolis.css

metropolis.css

14 ms

spin_wh.svg

spin_wh.svg

22 ms

Metropolis-SemiBold.otf

Metropolis-SemiBold.otf

9 ms

Metropolis-Bold.otf

Metropolis-Bold.otf

23 ms

Metropolis-ExtraBold.otf

Metropolis-ExtraBold.otf

42 ms

Metropolis-Black.otf

Metropolis-Black.otf

41 ms

Metropolis-Medium.otf

Metropolis-Medium.otf

42 ms

Metropolis-Regular.otf

Metropolis-Regular.otf

40 ms

Metropolis-Light.otf

Metropolis-Light.otf

43 ms

Metropolis-ExtraLight.otf

Metropolis-ExtraLight.otf

31 ms

Metropolis-Thin.otf

Metropolis-Thin.otf

56 ms

Accessibility Review

rncb.ac.uk accessibility score

91

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

Links do not have a discernible name

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

rncb.ac.uk best practices score

58

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

rncb.ac.uk SEO score

84

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

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

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 Rncb.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 Rncb.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

rncb.ac.uk

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