Tools & Wizards About Us
defenceimagery.mod.uk screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

defenceimagery.mod.uk

Home Page - Welcome to Defence Imagery, where official Royal Navy, Army, RAF, and Ministry of Defence images and videos are available for download.

Page Load Speed

3 sec in total

First Response

155 ms

Resources Loaded

2 sec

Page Rendered

809 ms

defenceimagery.mod.uk screenshot

About Website

Welcome to defenceimagery.mod.uk homepage info - get ready to check Defence Imagery best content for United Kingdom right away, or after learning these important things about defenceimagery.mod.uk

Royal Navy, Army, RAF, MOD, Ministry of Defence, images, imagery, pictures, photos, photography, photographs, videos, footage

Visit defenceimagery.mod.uk

Key Findings

We analyzed Defenceimagery.mod.uk page load time and found that the first response time was 155 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

defenceimagery.mod.uk performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value13.1 s

0/100

25%

SI (Speed Index)

Value3.9 s

83/100

10%

TBT (Total Blocking Time)

Value210 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.863

4/100

15%

TTI (Time to Interactive)

Value6.6 s

58/100

10%

Network Requests Diagram

defenceimagery.mod.uk

155 ms

www.defenceimagery.mod.uk

480 ms

bootstrap.min.css

45 ms

site.css

163 ms

magnific-popup.css

248 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 56% of them (35 requests) were addressed to the original Defenceimagery.mod.uk, 40% (25 requests) were made to Photos.defenceimagery.mod.uk and 3% (2 requests) were made to Stackpath.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Photos.defenceimagery.mod.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 215.4 kB (5%)

Content Size

4.6 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Defenceimagery.mod.uk main page is 4.6 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. 40% of websites need less resources to load. Images take 4.2 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 65.5 kB

  • Original 86.6 kB
  • After minification 74.1 kB
  • After compression 21.2 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 12.5 kB, which is 14% 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 65.5 kB or 76% of the original size.

Image Optimization

-2%

Potential reduce by 67.3 kB

  • Original 4.2 MB
  • After minification 4.1 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. Defence Imagery images are well optimized though.

JavaScript Optimization

-25%

Potential reduce by 62.2 kB

  • Original 253.3 kB
  • After minification 253.3 kB
  • After compression 191.0 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 62.2 kB or 25% of the original size.

CSS Optimization

-31%

Potential reduce by 20.4 kB

  • Original 66.8 kB
  • After minification 66.7 kB
  • After compression 46.4 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. Defenceimagery.mod.uk needs all CSS files to be minified and compressed as it can save up to 20.4 kB or 31% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (41%)

Requests Now

58

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Defence Imagery. 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 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

defenceimagery.mod.uk

defenceimagery.mod.uk

155 ms

www.defenceimagery.mod.uk

www.defenceimagery.mod.uk

480 ms

bootstrap.min.css

bootstrap.min.css

45 ms

site.css

site.css

163 ms

magnific-popup.css

magnific-popup.css

248 ms

lightbox2.css

lightbox2.css

302 ms

finaltilesgallery.css

finaltilesgallery.css

304 ms

videojs.min.css

videojs.min.css

333 ms

jquery.typeahead.min.css

jquery.typeahead.min.css

337 ms

audiotracks.css

audiotracks.css

335 ms

main-a8bbbab498a3f5e902df1373b471c89f.css

main-a8bbbab498a3f5e902df1373b471c89f.css

419 ms

global_nav.js

global_nav.js

376 ms

jquery.min.js

jquery.min.js

26 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

29 ms

jquery.typeahead.min.js

jquery.typeahead.min.js

379 ms

jquery.finaltilesgallery.js

jquery.finaltilesgallery.js

413 ms

jquery.validate.min.js

jquery.validate.min.js

416 ms

jquery.unobtrusive-ajax.js

jquery.unobtrusive-ajax.js

415 ms

jquery.expander.min.js

jquery.expander.min.js

473 ms

polyfills.js

polyfills.js

472 ms

site.js

site.js

497 ms

video.min.js

video.min.js

821 ms

videojs.hotkeys.min.js

videojs.hotkeys.min.js

498 ms

audioTracks.js

audioTracks.js

498 ms

videoPlayer.js

videoPlayer.js

542 ms

homepage.css

homepage.css

470 ms

homepage.js

homepage.js

506 ms

close.png

close.png

158 ms

loading.gif

loading.gif

157 ms

prev.png

prev.png

194 ms

next.png

next.png

195 ms

ministry-of-defence.png

ministry-of-defence.png

239 ms

accessibility.html

accessibility.html

228 ms

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DCT_2132.jpg.iSfxl4PkMbnf78djYBMA.JIV6UNwV-e.jpg

618 ms

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DCT_0999.jpg.iSeRx4PkMWATAA.Gttwbebz0P.jpg

627 ms

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554 ms

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626 ms

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684 ms

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681 ms

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705 ms

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912 ms

NHT-20240525-RAFMS%20FA%20Cup%20Final%20Performance-0881.jpg.iSf2qIbkMWATAA.EfTokN1Sjn.jpg

NHT-20240525-RAFMS%20FA%20Cup%20Final%20Performance-0881.jpg.iSf2qIbkMWATAA.EfTokN1Sjn.jpg

777 ms

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852 ms

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850 ms

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852 ms

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783 ms

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857 ms

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863 ms

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937 ms

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931 ms

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937 ms

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934 ms

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940 ms

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990 ms

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1010 ms

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1013 ms

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1022 ms

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1022 ms

bold-affa96571d-v2.woff

bold-affa96571d-v2.woff

228 ms

light-f591b13f7d-v2.woff

light-f591b13f7d-v2.woff

329 ms

information.css

information.css

84 ms

icon_arrow.gif

icon_arrow.gif

116 ms

Roboto-Regular.ttf

Roboto-Regular.ttf

248 ms

Accessibility Review

defenceimagery.mod.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 IDs are not unique

Best Practices

defenceimagery.mod.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

High

Missing source maps for large first-party JavaScript

SEO Factors

defenceimagery.mod.uk SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 Defenceimagery.mod.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 Defenceimagery.mod.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

defenceimagery.mod.uk

Open Graph description is not detected on the main page of Defence Imagery. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: