Tools & Wizards About Us
nationalcrimeagency.gov.uk screenshot

Report Summary

  • 55

    Performance

    Renders faster than
    72% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

nationalcrimeagency.gov.uk

Home - National Crime Agency

Page Load Speed

4.8 sec in total

First Response

81 ms

Resources Loaded

4.4 sec

Page Rendered

320 ms

nationalcrimeagency.gov.uk screenshot

About Website

Visit nationalcrimeagency.gov.uk now to see the best up-to-date National Crime Agency content for United Kingdom and also check out these interesting facts you probably never knew about nationalcrimeagency.gov.uk

The National Crime Agency leads the UK's fight to cut serious and organised crime.

Visit nationalcrimeagency.gov.uk

Key Findings

We analyzed Nationalcrimeagency.gov.uk page load time and found that the first response time was 81 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

nationalcrimeagency.gov.uk performance score

55

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value5.2 s

61/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.072

96/100

15%

TTI (Time to Interactive)

Value5.9 s

65/100

10%

Network Requests Diagram

www.nationalcrimeagency.gov.uk

81 ms

gtm.js

45 ms

css

34 ms

jquery.fancybox.min.css

453 ms

content.css

204 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 79% of them (34 requests) were addressed to the original Nationalcrimeagency.gov.uk, 16% (7 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Nationalcrimeagency.gov.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.8 kB (10%)

Content Size

2.3 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nationalcrimeagency.gov.uk main page is 2.3 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. 35% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 24.6 kB

  • Original 31.6 kB
  • After minification 28.2 kB
  • After compression 7.0 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 3.3 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 24.6 kB or 78% of the original size.

Image Optimization

-9%

Potential reduce by 196.2 kB

  • Original 2.2 MB
  • After minification 2.0 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. National Crime Agency images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 3.3 kB

  • Original 13.7 kB
  • After minification 13.7 kB
  • After compression 10.4 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 3.3 kB or 24% of the original size.

CSS Optimization

-14%

Potential reduce by 682 B

  • Original 4.8 kB
  • After minification 4.8 kB
  • After compression 4.1 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. Nationalcrimeagency.gov.uk needs all CSS files to be minified and compressed as it can save up to 682 B or 14% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (43%)

Requests Now

35

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Crime Agency. 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 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.nationalcrimeagency.gov.uk

www.nationalcrimeagency.gov.uk

81 ms

gtm.js

gtm.js

45 ms

css

css

34 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

453 ms

content.css

content.css

204 ms

bootstrap.min.css

bootstrap.min.css

628 ms

template.css

template.css

229 ms

chosen.css

chosen.css

208 ms

finder.css

finder.css

337 ms

jquery.min.js

jquery.min.js

468 ms

jquery-noconflict.js

jquery-noconflict.js

382 ms

jquery-migrate.min.js

jquery-migrate.min.js

420 ms

caption.js

caption.js

514 ms

bootstrap.min.js

bootstrap.min.js

647 ms

chosen.jquery.min.js

chosen.jquery.min.js

764 ms

disclosureMenu.js

disclosureMenu.js

642 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

896 ms

main.min.js

main.min.js

707 ms

NCA_logo.png

NCA_logo.png

192 ms

search-icon-transparent.png

search-icon-transparent.png

193 ms

Recruitment_banner_New_Logo.png

Recruitment_banner_New_Logo.png

1198 ms

NCCU_website_1920x1080.png

NCCU_website_1920x1080.png

1178 ms

Preston_Image_web.png

Preston_Image_web.png

441 ms

Adam_Ali_-_Custody_image_web.png

Adam_Ali_-_Custody_image_web.png

1287 ms

Saynor_web_pic.png

Saynor_web_pic.png

421 ms

INTELLIGENCE-334X188.png

INTELLIGENCE-334X188.png

790 ms

firearms.jpg

firearms.jpg

3487 ms

mcis-334x188.png

mcis-334x188.png

3481 ms

share-this-facebook.png

share-this-facebook.png

959 ms

share-this-twitter.png

share-this-twitter.png

1130 ms

share-this-email.png

share-this-email.png

1304 ms

CEOP-blue-button.jpg

CEOP-blue-button.jpg

1427 ms

facebook-icon.jpg

facebook-icon.jpg

1370 ms

twitter-icon.jpg

twitter-icon.jpg

1507 ms

instagram-icon.jpg

instagram-icon.jpg

1516 ms

linkedin-icon.jpg

linkedin-icon.jpg

1546 ms

vEF72_JTCgwQ5ejvMV0Ox_Kg1UwJ0tKfX4zNpD8E4ASzH1r93zuoyjkj.ttf

vEF72_JTCgwQ5ejvMV0Ox_Kg1UwJ0tKfX4zNpD8E4ASzH1r93zuoyjkj.ttf

18 ms

vEF72_JTCgwQ5ejvMV0Ox_Kg1UwJ0tKfX4zNpD8E4ASzH1r9gTuoyjkj.ttf

vEF72_JTCgwQ5ejvMV0Ox_Kg1UwJ0tKfX4zNpD8E4ASzH1r9gTuoyjkj.ttf

28 ms

vEF72_JTCgwQ5ejvMV0Ox_Kg1UwJ0tKfX4zNpD8E4ASzH1r9Xzyoyjkj.ttf

vEF72_JTCgwQ5ejvMV0Ox_Kg1UwJ0tKfX4zNpD8E4ASzH1r9Xzyoyjkj.ttf

32 ms

vEF72_JTCgwQ5ejvMV0Ox_Kg1UwJ0tKfX4zNpD8E4ASzH1r9Zjyoyjkj.ttf

vEF72_JTCgwQ5ejvMV0Ox_Kg1UwJ0tKfX4zNpD8E4ASzH1r9Zjyoyjkj.ttf

42 ms

7Auup_AqnyWWAxW2Wk3swUz56MS91Eww8cLx1nejpw.ttf

7Auup_AqnyWWAxW2Wk3swUz56MS91Eww8cLx1nejpw.ttf

41 ms

7Auup_AqnyWWAxW2Wk3swUz56MS91Eww8Rf21nejpw.ttf

7Auup_AqnyWWAxW2Wk3swUz56MS91Eww8Rf21nejpw.ttf

41 ms

7Auup_AqnyWWAxW2Wk3swUz56MS91Eww8SX21nejpw.ttf

7Auup_AqnyWWAxW2Wk3swUz56MS91Eww8SX21nejpw.ttf

39 ms

Accessibility Review

nationalcrimeagency.gov.uk accessibility score

85

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

[role]s are not contained by their required parent element

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

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.

Best Practices

nationalcrimeagency.gov.uk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nationalcrimeagency.gov.uk SEO score

97

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 Nationalcrimeagency.gov.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 Nationalcrimeagency.gov.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

nationalcrimeagency.gov.uk

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