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nscience.uk screenshot

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

nscience.uk

Therapist Training in The UK, USA, Australia & Canada | nscience

Page Load Speed

8.6 sec in total

First Response

186 ms

Resources Loaded

6.5 sec

Page Rendered

1.9 sec

nscience.uk screenshot

About Website

Click here to check amazing Nscience content. Otherwise, check out these important facts you probably never knew about nscience.uk

World-class Psychotherapy CPD: continuing professional development (CPD) programmes for psychotherapists, psychologists and counsellors worldwide; delivered through conferences, online streaming and v...

Visit nscience.uk

Key Findings

We analyzed Nscience.uk page load time and found that the first response time was 186 ms and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

nscience.uk performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.0 s

1/100

25%

SI (Speed Index)

Value13.7 s

2/100

10%

TBT (Total Blocking Time)

Value2,610 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

Network Requests Diagram

nscience.uk

186 ms

www.nscience.uk

1688 ms

index-2a7d8588.css

153 ms

theme.css

229 ms

acfw-blocks-frontend.css

230 ms

Our browser made a total of 215 requests to load all elements on the main page. We found that 79% of them (170 requests) were addressed to the original Nscience.uk, 11% (24 requests) were made to Fonts.gstatic.com and 3% (7 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Nscience.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.3 MB (63%)

Content Size

5.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nscience.uk main page is 5.2 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. Only a small number of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 216.9 kB

  • Original 259.2 kB
  • After minification 249.8 kB
  • After compression 42.3 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 216.9 kB or 84% of the original size.

Image Optimization

-73%

Potential reduce by 2.9 MB

  • Original 3.9 MB
  • After minification 1.0 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, Nscience needs image optimization as it can save up to 2.9 MB or 73% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-14%

Potential reduce by 87.2 kB

  • Original 633.5 kB
  • After minification 633.5 kB
  • After compression 546.3 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 87.2 kB or 14% of the original size.

CSS Optimization

-23%

Potential reduce by 89.0 kB

  • Original 390.5 kB
  • After minification 390.3 kB
  • After compression 301.6 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. Nscience.uk needs all CSS files to be minified and compressed as it can save up to 89.0 kB or 23% of the original size.

Requests Breakdown

Number of requests can be reduced by 133 (73%)

Requests Now

181

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 181 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nscience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 80 to 1 for JavaScripts and from 55 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nscience.uk

nscience.uk

186 ms

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1688 ms

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Accessibility Review

nscience.uk accessibility score

78

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

nscience.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

High

Page has valid source maps

SEO Factors

nscience.uk SEO score

83

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

    EN

  • Encoding

    UTF-8

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

nscience.uk

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