Tools & Wizards About Us
a2sea.co.uk screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 65

    SEO

    Google-friendlier than
    25% of websites

a2sea.co.uk

Expert Submarine Cable & Survey Services | A-2-Sea Solutions

Page Load Speed

2.8 sec in total

First Response

164 ms

Resources Loaded

2.2 sec

Page Rendered

419 ms

a2sea.co.uk screenshot

About Website

Visit a2sea.co.uk now to see the best up-to-date A 2 Sea content and also check out these interesting facts you probably never knew about a2sea.co.uk

With 25 years of experience, A-2-Sea Solutions is a global organisation providing expert submarine cable and survey services.

Visit a2sea.co.uk

Key Findings

We analyzed A2sea.co.uk page load time and found that the first response time was 164 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

a2sea.co.uk performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value17.5 s

0/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.247

50/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

a2sea.co.uk

164 ms

a2sea.co.uk

324 ms

index.html

326 ms

css2

52 ms

pwpc-987ff41d10db1d2d2c8de22c8f735018cc8c76ed.css

176 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 88% of them (44 requests) were addressed to the original A2sea.co.uk, 6% (3 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (951 ms) belongs to the original domain A2sea.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 125.2 kB (6%)

Content Size

2.0 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of A2sea.co.uk main page is 2.0 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. 65% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 79.1 kB

  • Original 90.8 kB
  • After minification 62.0 kB
  • After compression 11.7 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 28.8 kB, which is 32% 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 79.1 kB or 87% of the original size.

Image Optimization

-3%

Potential reduce by 43.8 kB

  • Original 1.7 MB
  • After minification 1.6 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. A 2 Sea images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 264 B

  • Original 155.0 kB
  • After minification 155.0 kB
  • After compression 154.7 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

-2%

Potential reduce by 2.0 kB

  • Original 108.9 kB
  • After minification 108.9 kB
  • After compression 106.9 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. A2sea.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (8%)

Requests Now

36

After Optimization

33

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A 2 Sea. 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 CSS and as a result speed up the page load time.

Network Requests Diagram

a2sea.co.uk

a2sea.co.uk

164 ms

a2sea.co.uk

a2sea.co.uk

324 ms

index.html

index.html

326 ms

css2

css2

52 ms

pwpc-987ff41d10db1d2d2c8de22c8f735018cc8c76ed.css

pwpc-987ff41d10db1d2d2c8de22c8f735018cc8c76ed.css

176 ms

all.css

all.css

320 ms

magnific-popup.css

magnific-popup.css

240 ms

pwpc-798e7e58ac6a23cc5cdc3a4e02f239bc0dc60a42.js

pwpc-798e7e58ac6a23cc5cdc3a4e02f239bc0dc60a42.js

494 ms

js

js

75 ms

cookie-consent.js

cookie-consent.js

59 ms

a2sea-logo.svg

a2sea-logo.svg

89 ms

img_20200804_063543.1920x800-ms.jpg

img_20200804_063543.1920x800-ms.jpg

482 ms

1.640x0.jpg

1.640x0.jpg

88 ms

2.640x0.jpg

2.640x0.jpg

256 ms

3.640x0.jpg

3.640x0.jpg

183 ms

4.640x0.jpg

4.640x0.jpg

210 ms

a2sea_joint_x_ray_1836-min.1024x0.jpeg

a2sea_joint_x_ray_1836-min.1024x0.jpeg

563 ms

mca-logo-400x169.150x110.png

mca-logo-400x169.150x110.png

266 ms

500px-national_grid_logo_svg.150x110.png

500px-national_grid_logo_svg.150x110.png

267 ms

01_asn_logo_onecolour_rgb_cyan.150x110.png

01_asn_logo_onecolour_rgb_cyan.150x110.png

294 ms

fb8c8aee4af3d849362f9327b1740afd.150x110.png

fb8c8aee4af3d849362f9327b1740afd.150x110.png

340 ms

rwe_logo-2019_blue_srgb-e1599553749247.150x110.png

rwe_logo-2019_blue_srgb-e1599553749247.150x110.png

347 ms

800px-petrofac_svg.150x110.png

800px-petrofac_svg.150x110.png

348 ms

transmission-investment-logo.150x110.png

transmission-investment-logo.150x110.png

376 ms

new_logo.150x110.png

new_logo.150x110.png

419 ms

cropped-xt-logo-rgb.150x110.png

cropped-xt-logo-rgb.150x110.png

429 ms

a51099cc-69c6-4f36-bf64-130ab688ac53.1200x1200-ms.jpg

a51099cc-69c6-4f36-bf64-130ab688ac53.1200x1200-ms.jpg

510 ms

a2sea_offices_9754.1200x1200-ms.jpg

a2sea_offices_9754.1200x1200-ms.jpg

538 ms

006ffa57-61ad-4e05-b4b3-da6eaf017592-min.1600x1600-ms.jpeg

006ffa57-61ad-4e05-b4b3-da6eaf017592-min.1600x1600-ms.jpeg

650 ms

logos-removebg-preview.150x130.png

logos-removebg-preview.150x130.png

510 ms

achilles-uvdb-stamp-silver-plus.150x130.png

achilles-uvdb-stamp-silver-plus.150x130.png

563 ms

avetta-member.150x130.png

avetta-member.150x130.png

593 ms

esca-logo.150x130.png

esca-logo.150x130.png

593 ms

hydro-society-logo-1.150x130.png

hydro-society-logo-1.150x130.png

619 ms

ecovadis_silver.150x130.png

ecovadis_silver.150x130.png

644 ms

a1f036a8a08e82ea_org.150x130.png

a1f036a8a08e82ea_org.150x130.png

645 ms

ecovadis-2023-logo.150x130.png

ecovadis-2023-logo.150x130.png

676 ms

safecontractor-approved.150x130.png

safecontractor-approved.150x130.png

676 ms

seal_alcumus_safepqq-colour.150x130.png

seal_alcumus_safepqq-colour.150x130.png

701 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0C4n.ttf

42 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1y4n.ttf

100 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1y4n.ttf

100 ms

HKGrotesk-Bold.woff

HKGrotesk-Bold.woff

692 ms

fa-regular-400.woff

fa-regular-400.woff

784 ms

fa-regular-400.woff

fa-regular-400.woff

703 ms

fa-light-300.woff

fa-light-300.woff

951 ms

fa-solid-900.woff

fa-solid-900.woff

731 ms

fa-solid-900.woff

fa-solid-900.woff

759 ms

fa-brands-400.woff

fa-brands-400.woff

740 ms

fa-brands-400.woff

fa-brands-400.woff

731 ms

Accessibility Review

a2sea.co.uk accessibility score

83

Accessibility Issues

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

High

Image elements do not have [alt] attributes

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

Best Practices

a2sea.co.uk best practices score

92

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

SEO Factors

a2sea.co.uk SEO score

65

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

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 A2sea.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 A2sea.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

a2sea.co.uk

Open Graph data is detected on the main page of A 2 Sea. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: