Tools & Wizards About Us
neptune-sonar.co.uk screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

neptune-sonar.co.uk

Neptune Sonar Ltd - a world leader in the design, manufacture & calibration of underwater acoustic transducers

Page Load Speed

2.6 sec in total

First Response

352 ms

Resources Loaded

1.7 sec

Page Rendered

532 ms

neptune-sonar.co.uk screenshot

About Website

Visit neptune-sonar.co.uk now to see the best up-to-date Neptune Sonar content and also check out these interesting facts you probably never knew about neptune-sonar.co.uk

Neptune Sonar Ltd - a world leader in the design, manufacture & calibration of underwater acoustic transducers

Visit neptune-sonar.co.uk

Key Findings

We analyzed Neptune-sonar.co.uk page load time and found that the first response time was 352 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

neptune-sonar.co.uk performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value5.5 s

54/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.373

28/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

neptune-sonar.co.uk

352 ms

neptune-sonar.co.uk

393 ms

css

40 ms

oee3rsm.css

99 ms

neptune.css

173 ms

Our browser made a total of 32 requests to load all elements on the main page. We found that 72% of them (23 requests) were addressed to the original Neptune-sonar.co.uk, 16% (5 requests) were made to Use.typekit.net and 6% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (838 ms) belongs to the original domain Neptune-sonar.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 37.2 kB (3%)

Content Size

1.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Neptune-sonar.co.uk main page is 1.4 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. Javascripts take 720.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 18.7 kB

  • Original 22.8 kB
  • After minification 15.0 kB
  • After compression 4.2 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 7.9 kB, which is 34% 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 18.7 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 18.5 kB

  • Original 620.7 kB
  • After minification 602.2 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. Neptune Sonar images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 720.8 kB
  • After minification 720.8 kB
  • After compression 720.8 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 5 B

  • Original 25.3 kB
  • After minification 25.3 kB
  • After compression 25.3 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. Neptune-sonar.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 4 (15%)

Requests Now

26

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Neptune Sonar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

neptune-sonar.co.uk

neptune-sonar.co.uk

352 ms

neptune-sonar.co.uk

neptune-sonar.co.uk

393 ms

css

css

40 ms

oee3rsm.css

oee3rsm.css

99 ms

neptune.css

neptune.css

173 ms

neptune.js

neptune.js

838 ms

js

js

68 ms

p.css

p.css

23 ms

css

css

21 ms

navbar_logo.png

navbar_logo.png

104 ms

navbar_logo_small.png

navbar_logo_small.png

168 ms

hydrophones.jpg

hydrophones.jpg

411 ms

projectors.jpg

projectors.jpg

416 ms

communications.jpg

communications.jpg

332 ms

echosounders.jpg

echosounders.jpg

417 ms

sidescans.jpg

sidescans.jpg

428 ms

piezocomposites.jpg

piezocomposites.jpg

499 ms

multibeamarrays.jpg

multibeamarrays.jpg

573 ms

bespokedesign.jpg

bespokedesign.jpg

581 ms

accessories.jpg

accessories.jpg

502 ms

665bc94b-15ce-4696-9b67-13328c3822c1

665bc94b-15ce-4696-9b67-13328c3822c1

707 ms

e6fb895c-88a3-46fe-9306-3d945bc8b52d

e6fb895c-88a3-46fe-9306-3d945bc8b52d

691 ms

f60d1e82-8519-4d75-b740-89e3af1e2b0a

f60d1e82-8519-4d75-b740-89e3af1e2b0a

685 ms

071c25a8-c354-4f96-8ce7-81475527cf97

071c25a8-c354-4f96-8ce7-81475527cf97

677 ms

celebrating-30-years-in-the-industry.png

celebrating-30-years-in-the-industry.png

664 ms

made-in-the-uk.png

made-in-the-uk.png

721 ms

ISO-logo-new-medium.jpg

ISO-logo-new-medium.jpg

748 ms

cyberessentials.png

cyberessentials.png

759 ms

d

d

20 ms

d

d

34 ms

d

d

9 ms

d

d

9 ms

Accessibility Review

neptune-sonar.co.uk accessibility score

75

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

neptune-sonar.co.uk 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

neptune-sonar.co.uk SEO score

84

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 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 Neptune-sonar.co.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 Neptune-sonar.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

neptune-sonar.co.uk

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