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nvuk.co.uk screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 36

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

nvuk.co.uk

NVUK - Night Vision UK

Page Load Speed

1.5 sec in total

First Response

55 ms

Resources Loaded

954 ms

Page Rendered

474 ms

nvuk.co.uk screenshot

About Website

Click here to check amazing NVUK content. Otherwise, check out these important facts you probably never knew about nvuk.co.uk

Night Vision UK, the home of the infamous NVUK night vision kit and the UKs largest online community of Night Vision enthusiasts.

Visit nvuk.co.uk

Key Findings

We analyzed Nvuk.co.uk page load time and found that the first response time was 55 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 30% of websites can load faster.

Performance Metrics

nvuk.co.uk performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value1,020 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

nvuk.co.uk

55 ms

nvuk.co.uk

88 ms

animate.min.css

22 ms

bootstrap.min.css

62 ms

bootstrap-responsive.css

53 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 69% of them (42 requests) were addressed to the original Nvuk.co.uk, 11% (7 requests) were made to Fonts.gstatic.com and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (424 ms) belongs to the original domain Nvuk.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.1 kB (1%)

Content Size

8.3 MB

After Optimization

8.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nvuk.co.uk main page is 8.3 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. 80% 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 7.8 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 9.8 kB

  • Original 13.2 kB
  • After minification 11.5 kB
  • After compression 3.4 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 1.7 kB, which is 13% 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 9.8 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 11.9 kB

  • Original 7.8 MB
  • After minification 7.8 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. NVUK images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 47.4 kB

  • Original 336.8 kB
  • After minification 336.8 kB
  • After compression 289.4 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 47.4 kB or 14% of the original size.

CSS Optimization

-29%

Potential reduce by 40.1 kB

  • Original 139.6 kB
  • After minification 135.3 kB
  • After compression 99.5 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. Nvuk.co.uk needs all CSS files to be minified and compressed as it can save up to 40.1 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (50%)

Requests Now

50

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NVUK. 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 from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

nvuk.co.uk

nvuk.co.uk

55 ms

nvuk.co.uk

nvuk.co.uk

88 ms

animate.min.css

animate.min.css

22 ms

bootstrap.min.css

bootstrap.min.css

62 ms

bootstrap-responsive.css

bootstrap-responsive.css

53 ms

lightbox.css

lightbox.css

53 ms

font-awesome.min.css

font-awesome.min.css

55 ms

styles.css

styles.css

57 ms

video-js.css

video-js.css

60 ms

css

css

24 ms

css

css

41 ms

jquery.min.js

jquery.min.js

105 ms

backstretch.js

backstretch.js

71 ms

jquery.inview.js

jquery.inview.js

86 ms

jquery.cycle.js

jquery.cycle.js

78 ms

lightbox.js

lightbox.js

79 ms

video.js

video.js

78 ms

jquery-ui.min.js

jquery-ui.min.js

130 ms

retina.js

retina.js

97 ms

main.js

main.js

97 ms

skin.css

skin.css

50 ms

boxed.css

boxed.css

52 ms

fbevents.js

fbevents.js

101 ms

ji24JVztSI4

ji24JVztSI4

205 ms

yH5BAEAAAAALAAAAAABAAEAAAIBRAA7

yH5BAEAAAAALAAAAAABAAEAAAIBRAA7

26 ms

binding_dark.png

binding_dark.png

61 ms

div-social.png

div-social.png

41 ms

logo.png

logo.png

41 ms

fxZ.png

fxZ.png

40 ms

shot1.png

shot1.png

89 ms

shot2.png

shot2.png

87 ms

shot3.png

shot3.png

92 ms

div.png

div.png

61 ms

screen1.png

screen1.png

171 ms

hover.png

hover.png

62 ms

screen2.png

screen2.png

424 ms

screen3.png

screen3.png

310 ms

screen4.png

screen4.png

168 ms

screen5.png

screen5.png

173 ms

screen6.png

screen6.png

172 ms

bss-tickets.png

bss-tickets.png

174 ms

div-social2.png

div-social2.png

309 ms

loading.gif

loading.gif

420 ms

close.png

close.png

420 ms

bg-checker.png

bg-checker.png

421 ms

main-bg.png

main-bg.png

421 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

421 ms

2sDfZG1Wl4LcnbuKjk0j.ttf

2sDfZG1Wl4LcnbuKjk0j.ttf

35 ms

2sDcZG1Wl4LcnbuCJW8zaGW8.ttf

2sDcZG1Wl4LcnbuCJW8zaGW8.ttf

34 ms

2sDcZG1Wl4LcnbuCNWgzaGW8.ttf

2sDcZG1Wl4LcnbuCNWgzaGW8.ttf

36 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

36 ms

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

KFOlCnqEu92Fr1MmSU5fBBc9.ttf

35 ms

www-player.css

www-player.css

8 ms

www-embed-player.js

www-embed-player.js

28 ms

base.js

base.js

60 ms

ad_status.js

ad_status.js

164 ms

XSOeYOgfx9Jh0OnrBRoGZITK3RITQeOfJZOsiQTg9Ss.js

XSOeYOgfx9Jh0OnrBRoGZITK3RITQeOfJZOsiQTg9Ss.js

109 ms

embed.js

embed.js

40 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

120 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

120 ms

id

id

29 ms

Accessibility Review

nvuk.co.uk accessibility score

36

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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

nvuk.co.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

nvuk.co.uk SEO score

73

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 doesn't use 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 Nvuk.co.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 Nvuk.co.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

nvuk.co.uk

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