Tools & Wizards About Us
nta.nhs.uk screenshot

Report Summary

  • 77

    Performance

    Renders faster than
    85% 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

  • 98

    SEO

    Google-friendlier than
    92% of websites

nta.nhs.uk

Alcohol and drug misuse prevention and treatment guidance - GOV.UK

Page Load Speed

1.7 sec in total

First Response

247 ms

Resources Loaded

747 ms

Page Rendered

698 ms

nta.nhs.uk screenshot

About Website

Visit nta.nhs.uk now to see the best up-to-date Nta content for United Kingdom and also check out these interesting facts you probably never knew about nta.nhs.uk

Information and other resources to support commissioners, service providers and others providing alcohol and drug interventions.

Visit nta.nhs.uk

Key Findings

We analyzed Nta.nhs.uk page load time and found that the first response time was 247 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

nta.nhs.uk performance score

77

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

84/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value3.1 s

92/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.631

9/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

alcohol-and-drug-misuse-prevention-and-treatment-guidance

247 ms

lux-measurer-505eef3e243b1d08ea7c4b945ebe1ae146d896db61366e415b30cc1bcd84cbdc.js

109 ms

rum-loader-c53469dcb841d7b228c914a2e8bdcf3b831a578adf7d4f21cf9da5b85df7381e.js

15 ms

application-4d0a30e4ea17a02c4ff0e896efebbf3cf3eedb16204f9a9111fb075418950d6c.css

16 ms

application-69450ed4fc007ef22e313f1c73a1f02c3aba8f2eab45d754ce20b3c7eb538e4c.css

34 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Nta.nhs.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (247 ms) relates to the external source Www.gov.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 183.7 kB (69%)

Content Size

267.7 kB

After Optimization

83.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Nta.nhs.uk main page is 267.7 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. 55% of websites need less resources to load. HTML takes 137.5 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 118.7 kB

  • Original 137.5 kB
  • After minification 121.7 kB
  • After compression 18.8 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 15.7 kB, which is 11% 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 118.7 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 3.6 kB
  • After minification 3.6 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. Nta images are well optimized though.

CSS Optimization

-51%

Potential reduce by 65.0 kB

  • Original 126.6 kB
  • After minification 126.3 kB
  • After compression 61.6 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. Nta.nhs.uk needs all CSS files to be minified and compressed as it can save up to 65.0 kB or 51% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (67%)

Requests Now

9

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nta. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

alcohol-and-drug-misuse-prevention-and-treatment-guidance

alcohol-and-drug-misuse-prevention-and-treatment-guidance

247 ms

lux-measurer-505eef3e243b1d08ea7c4b945ebe1ae146d896db61366e415b30cc1bcd84cbdc.js

lux-measurer-505eef3e243b1d08ea7c4b945ebe1ae146d896db61366e415b30cc1bcd84cbdc.js

109 ms

rum-loader-c53469dcb841d7b228c914a2e8bdcf3b831a578adf7d4f21cf9da5b85df7381e.js

rum-loader-c53469dcb841d7b228c914a2e8bdcf3b831a578adf7d4f21cf9da5b85df7381e.js

15 ms

application-4d0a30e4ea17a02c4ff0e896efebbf3cf3eedb16204f9a9111fb075418950d6c.css

application-4d0a30e4ea17a02c4ff0e896efebbf3cf3eedb16204f9a9111fb075418950d6c.css

16 ms

application-69450ed4fc007ef22e313f1c73a1f02c3aba8f2eab45d754ce20b3c7eb538e4c.css

application-69450ed4fc007ef22e313f1c73a1f02c3aba8f2eab45d754ce20b3c7eb538e4c.css

34 ms

application-b0f2e7fd4cc288d247efdb6240b8c7a99b31abfd158f135bb07c26c01a505463.js

application-b0f2e7fd4cc288d247efdb6240b8c7a99b31abfd158f135bb07c26c01a505463.js

91 ms

application-3cafadb7a7e2b573dec0a5d24fe813cbcedd7f3ca66281600a699c7a944f8dfd.js

application-3cafadb7a7e2b573dec0a5d24fe813cbcedd7f3ca66281600a699c7a944f8dfd.js

136 ms

govuk-crest-87038e62e594b5f83ea40e0fb480fe7a5f41ba0db3917f709dfb39043f19a0f7.png

govuk-crest-87038e62e594b5f83ea40e0fb480fe7a5f41ba0db3917f709dfb39043f19a0f7.png

129 ms

light-f591b13f7d-v2-369b1da7f442cafca0e8ac0faf1bb64df8170f9c3c7015da1195c8529df5837e.woff

light-f591b13f7d-v2-369b1da7f442cafca0e8ac0faf1bb64df8170f9c3c7015da1195c8529df5837e.woff

84 ms

bold-affa96571d-v2-088c8da9d0319b63b23ac19791f37a33ec0d4b61f884ab56123bfd96d8312153.woff

bold-affa96571d-v2-088c8da9d0319b63b23ac19791f37a33ec0d4b61f884ab56123bfd96d8312153.woff

78 ms

print-bec47bfcef04d828411851a031b4ff4de7144980b52046d17755e41959083555.css

print-bec47bfcef04d828411851a031b4ff4de7144980b52046d17755e41959083555.css

18 ms

print-bcb988c58a27d6eb2bbce8bdaa46a916550927b9715bd8bf8b69a36c3716d40f.css

print-bcb988c58a27d6eb2bbce8bdaa46a916550927b9715bd8bf8b69a36c3716d40f.css

18 ms

Accessibility Review

nta.nhs.uk accessibility score

100

Accessibility Issues

Best Practices

nta.nhs.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

SEO Factors

nta.nhs.uk SEO score

98

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

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 Nta.nhs.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 Nta.nhs.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

nta.nhs.uk

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