Tools & Wizards About Us
subseacraft.com screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    58% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

subseacraft.com

Welcome - SubSea Craft - Advanced Maritime Technology

Page Load Speed

6.6 sec in total

First Response

223 ms

Resources Loaded

4.1 sec

Page Rendered

2.3 sec

subseacraft.com screenshot

About Website

Click here to check amazing Sub Sea Craft content for United Kingdom. Otherwise, check out these important facts you probably never knew about subseacraft.com

SubSea Craft's mission is to secure the competitive advantage through accelerated research, development, and delivery of maritime technology.

Visit subseacraft.com

Key Findings

We analyzed Subseacraft.com page load time and found that the first response time was 223 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

subseacraft.com performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value6.4 s

41/100

10%

TBT (Total Blocking Time)

Value690 ms

43/100

30%

CLS (Cumulative Layout Shift)

Value0.043

99/100

15%

TTI (Time to Interactive)

Value9.3 s

31/100

10%

Network Requests Diagram

subseacraft.com

223 ms

subseacraft.com

1033 ms

js

61 ms

e39f6bec-06a6-4544-ae86-5b5b50799f31.css

95 ms

6427c06d-1600686788.css

542 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 70% of them (19 requests) were addressed to the original Subseacraft.com, 15% (4 requests) were made to Fast.fonts.net and 11% (3 requests) were made to Browser-update.org. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Subseacraft.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.4 kB (78%)

Content Size

27.6 kB

After Optimization

6.2 kB

  • HTML
  • CSS

In fact, the total size of Subseacraft.com main page is 27.6 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. 35% of websites need less resources to load. HTML takes 20.4 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 15.0 kB

  • Original 20.4 kB
  • After minification 19.1 kB
  • After compression 5.4 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. 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 15.0 kB or 74% of the original size.

CSS Optimization

-89%

Potential reduce by 6.4 kB

  • Original 7.2 kB
  • After minification 7.0 kB
  • After compression 760 B

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. Subseacraft.com needs all CSS files to be minified and compressed as it can save up to 6.4 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (18%)

Requests Now

17

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sub Sea Craft. 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 as a result speed up the page load time.

Network Requests Diagram

subseacraft.com

subseacraft.com

223 ms

subseacraft.com

subseacraft.com

1033 ms

js

js

61 ms

e39f6bec-06a6-4544-ae86-5b5b50799f31.css

e39f6bec-06a6-4544-ae86-5b5b50799f31.css

95 ms

6427c06d-1600686788.css

6427c06d-1600686788.css

542 ms

148951a1-1600686788.js

148951a1-1600686788.js

916 ms

carbon_tile.png

carbon_tile.png

707 ms

update.min.js

update.min.js

480 ms

subsea_craft_white_logo_landscape.svg

subsea_craft_white_logo_landscape.svg

439 ms

sky.jpg

sky.jpg

743 ms

undersea.jpg

undersea.jpg

934 ms

sea2.png

sea2.png

1766 ms

break.png

break.png

769 ms

sprite_final3.png

sprite_final3.png

1282 ms

crosshair.svg

crosshair.svg

765 ms

AFC_NEGATIVE_RGB.png

AFC_NEGATIVE_RGB.png

1070 ms

cyber-essentials-badge-black_Stroke.png

cyber-essentials-badge-black_Stroke.png

1107 ms

iso9001.svg

iso9001.svg

1102 ms

b9947f64-d079-4c63-bcb3-d50ea832f4d9.woff

b9947f64-d079-4c63-bcb3-d50ea832f4d9.woff

57 ms

277b285e-76f4-4aac-9bac-800a74bdddd3.woff

277b285e-76f4-4aac-9bac-800a74bdddd3.woff

86 ms

6f221e27-e272-4694-960b-a1fad35ed77d.woff

6f221e27-e272-4694-960b-a1fad35ed77d.woff

207 ms

fa-light-300.woff

fa-light-300.woff

1223 ms

fa-regular-400.woff

fa-regular-400.woff

1335 ms

fa-solid-900.woff

fa-solid-900.woff

1376 ms

fa-brands-400.woff

fa-brands-400.woff

1209 ms

update.show.min.js

update.show.min.js

29 ms

x.png

x.png

383 ms

Accessibility Review

subseacraft.com accessibility score

89

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

subseacraft.com best practices score

83

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

Browser errors were logged to the console

SEO Factors

subseacraft.com 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

    N/A

  • Encoding

    UTF-8

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

subseacraft.com

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