Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

hdas.nice.org.uk

HDAS closure information | Knowledge resources | Evidence and best practice resources | What we do | About | NICE

Page Load Speed

2.3 sec in total

First Response

195 ms

Resources Loaded

2 sec

Page Rendered

139 ms

hdas.nice.org.uk screenshot

About Website

Welcome to hdas.nice.org.uk homepage info - get ready to check HDAS NICE best content for United Kingdom right away, or after learning these important things about hdas.nice.org.uk

Healthcare Databases Advanced Search (HDAS) will close down on 31 March 2022. The information on this page will help you prepare for the closure.

Visit hdas.nice.org.uk

Key Findings

We analyzed Hdas.nice.org.uk page load time and found that the first response time was 195 ms and then it took 2.1 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

hdas.nice.org.uk performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value630 ms

47/100

30%

CLS (Cumulative Layout Shift)

Value0.255

48/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

hdas.nice.org.uk

195 ms

hdas.nice.org.uk

305 ms

hdas-closure-information

306 ms

css2

241 ms

app.min.css

303 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original Hdas.nice.org.uk, 28% (7 requests) were made to Nice.org.uk and 28% (7 requests) were made to Cdn.nice.org.uk. The less responsive or slowest element that took the longest time to load (623 ms) relates to the external source Nice.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 23.2 kB (14%)

Content Size

164.1 kB

After Optimization

140.9 kB

In fact, the total size of Hdas.nice.org.uk main page is 164.1 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. 65% of websites need less resources to load. Javascripts take 125.8 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 9.0 kB

  • Original 13.0 kB
  • After minification 12.3 kB
  • After compression 3.9 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 9.0 kB or 70% of the original size.

JavaScript Optimization

-11%

Potential reduce by 13.9 kB

  • Original 125.8 kB
  • After minification 125.7 kB
  • After compression 111.9 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 13.9 kB or 11% of the original size.

CSS Optimization

-1%

Potential reduce by 250 B

  • Original 25.4 kB
  • After minification 25.4 kB
  • After compression 25.1 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. Hdas.nice.org.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (74%)

Requests Now

19

After Optimization

5

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HDAS NICE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

hdas.nice.org.uk accessibility score

93

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 have valid values

Best Practices

hdas.nice.org.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

hdas.nice.org.uk SEO score

100

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

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

Open Graph data is detected on the main page of PARSED_DOMAIN, but there is no image specified in description. It would be a good idea for the website admin to select a nice image that can properly represent the website in Open Graph data, otherwise the first found image will be taken for this purpose and social media information block will look like this: