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southamptonvts.co.uk screenshot

Report Summary

  • 7

    Performance

    Renders faster than
    22% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

southamptonvts.co.uk

Home - Southampton VTS - ABP Southampton

Page Load Speed

4.1 sec in total

First Response

160 ms

Resources Loaded

3.6 sec

Page Rendered

314 ms

southamptonvts.co.uk screenshot

About Website

Click here to check amazing Southampton VTS content for United Kingdom. Otherwise, check out these important facts you probably never knew about southamptonvts.co.uk

The web site of Southampton VTS (ABP Southampton). ABP is the Statutory Harbour Athority for Southampton Water, and VTS Authority and Pilotage Authority for the Eastern Solent and Approaches. Informat...

Visit southamptonvts.co.uk

Key Findings

We analyzed Southamptonvts.co.uk page load time and found that the first response time was 160 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

southamptonvts.co.uk performance score

7

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

8/100

10%

LCP (Largest Contentful Paint)

Value18.4 s

0/100

25%

SI (Speed Index)

Value18.4 s

0/100

10%

TBT (Total Blocking Time)

Value4,120 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.304

39/100

15%

TTI (Time to Interactive)

Value33.7 s

0/100

10%

Network Requests Diagram

southamptonvts.co.uk

160 ms

1066 ms

normalize.min.css

147 ms

foundation.min.css

368 ms

jquery.bxslider.css

301 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 61% of them (27 requests) were addressed to the original Southamptonvts.co.uk, 14% (6 requests) were made to Youtube.com and 9% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Southamptonvts.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (28%)

Content Size

6.4 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Southamptonvts.co.uk main page is 6.4 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. 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 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 28.5 kB

  • Original 34.9 kB
  • After minification 32.7 kB
  • After compression 6.4 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 28.5 kB or 82% of the original size.

Image Optimization

-27%

Potential reduce by 1.6 MB

  • Original 6.0 MB
  • After minification 4.4 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. Obviously, Southampton VTS needs image optimization as it can save up to 1.6 MB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 2.5 kB

  • Original 163.2 kB
  • After minification 163.2 kB
  • After compression 160.7 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

-63%

Potential reduce by 135.7 kB

  • Original 215.4 kB
  • After minification 214.1 kB
  • After compression 79.8 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. Southamptonvts.co.uk needs all CSS files to be minified and compressed as it can save up to 135.7 kB or 63% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (35%)

Requests Now

26

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Southampton VTS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

southamptonvts.co.uk

southamptonvts.co.uk

160 ms

1066 ms

normalize.min.css

normalize.min.css

147 ms

foundation.min.css

foundation.min.css

368 ms

jquery.bxslider.css

jquery.bxslider.css

301 ms

default.min.css

default.min.css

374 ms

modernizr.js

modernizr.js

303 ms

jquery.js

jquery.js

601 ms

js

js

72 ms

fastclick.js

fastclick.js

233 ms

foundation.min.js

foundation.min.js

525 ms

LoadXml.js

LoadXml.js

312 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

311 ms

default.min.js

default.min.js

371 ms

cookieuse.js

cookieuse.js

378 ms

cookieuse-load.js

cookieuse-load.js

385 ms

css

css

33 ms

UvaY3S2BG4Q

UvaY3S2BG4Q

791 ms

ujpn5Orxx-U

ujpn5Orxx-U

795 ms

icn_sprite.png

icn_sprite.png

783 ms

lgo_abp.png

lgo_abp.png

782 ms

Pilot.jpg

Pilot.jpg

787 ms

aerial%202.jpg

aerial%202.jpg

790 ms

VTSROom1.JPG

VTSROom1.JPG

1739 ms

cars.jpg

cars.jpg

1285 ms

cruise.jpg

cruise.jpg

787 ms

container.jpg

container.jpg

786 ms

Propulsion%20Failure%20-%20March.jpg

Propulsion%20Failure%20-%20March.jpg

790 ms

GetGMTFixedTime

GetGMTFixedTime

140 ms

bx_loader.gif

bx_loader.gif

120 ms

controls.png

controls.png

119 ms

www-player.css

www-player.css

75 ms

www-embed-player.js

www-embed-player.js

117 ms

base.js

base.js

166 ms

BngRUXNadjH0qYEzV7ab-oWlsbCGwRg.ttf

BngRUXNadjH0qYEzV7ab-oWlsbCGwRg.ttf

62 ms

BngSUXNadjH0qYEzV7ab-oWlsbg95AiFW_g.ttf

BngSUXNadjH0qYEzV7ab-oWlsbg95AiFW_g.ttf

401 ms

ad_status.js

ad_status.js

291 ms

9Z66e_kIUHiT36NNaH3ECtVnZbQwRKz1JAady_W2534.js

9Z66e_kIUHiT36NNaH3ECtVnZbQwRKz1JAady_W2534.js

249 ms

embed.js

embed.js

132 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

20 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

68 ms

id

id

65 ms

Create

Create

32 ms

Create

Create

131 ms

Accessibility Review

southamptonvts.co.uk accessibility score

83

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

<input type="image"> elements do not have [alt] text

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

southamptonvts.co.uk best practices score

75

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

southamptonvts.co.uk SEO score

78

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

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 Southamptonvts.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 Southamptonvts.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

southamptonvts.co.uk

Open Graph description is not detected on the main page of Southampton VTS. 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: