Tools & Wizards About Us
seachest.co.uk screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

seachest.co.uk

Admiralty Charts, Imray Charts, Books & Sailing Instruments

Page Load Speed

2.4 sec in total

First Response

17 ms

Resources Loaded

2.2 sec

Page Rendered

226 ms

seachest.co.uk screenshot

About Website

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

Browse our Admiralty & Imray Charts covering Europe, Baltic, Mediterranean, Caribbean & American East Coast. We also stock books & navigation instruments.

Visit seachest.co.uk

Key Findings

We analyzed Seachest.co.uk page load time and found that the first response time was 17 ms and then it took 2.4 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

seachest.co.uk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value750 ms

39/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

seachest.co.uk

17 ms

seachest.co.uk

297 ms

www.seachest.co.uk

519 ms

site.css

114 ms

cookie-control.css

26 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 78% of them (49 requests) were addressed to the original Seachest.co.uk, 8% (5 requests) were made to D1v5v9s6jqyrwv.cloudfront.net and 6% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Seachest.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 104.0 kB (9%)

Content Size

1.1 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Seachest.co.uk main page is 1.1 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. 35% of websites need less resources to load. Images take 928.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 65.5 kB

  • Original 82.1 kB
  • After minification 79.2 kB
  • After compression 16.6 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 65.5 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 6.2 kB

  • Original 928.8 kB
  • After minification 922.6 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. Seachest images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 32.3 kB

  • Original 122.9 kB
  • After minification 122.9 kB
  • After compression 90.6 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 32.3 kB or 26% of the original size.

CSS Optimization

-1%

Potential reduce by 19 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.4 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. Seachest.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 17 (31%)

Requests Now

55

After Optimization

38

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Seachest. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

seachest.co.uk

seachest.co.uk

17 ms

seachest.co.uk

seachest.co.uk

297 ms

www.seachest.co.uk

www.seachest.co.uk

519 ms

site.css

site.css

114 ms

cookie-control.css

cookie-control.css

26 ms

vp-tracking.js

vp-tracking.js

28 ms

css

css

36 ms

modernizr-2.8.0.min.js

modernizr-2.8.0.min.js

12 ms

site.js

site.js

26 ms

cookie-control-vendors.js

cookie-control-vendors.js

32 ms

cookie-control.js

cookie-control.js

30 ms

analytics.js

analytics.js

243 ms

bat.js

bat.js

261 ms

sea-chest-mobile.png

sea-chest-mobile.png

310 ms

heart-fill.svg

heart-fill.svg

217 ms

heart-fill-hover.svg

heart-fill-hover.svg

218 ms

sea-chest.png

sea-chest.png

332 ms

social_media_icons.svg

social_media_icons.svg

232 ms

lg-admiralty-1.jpg

lg-admiralty-1.jpg

415 ms

lg-imray.jpg

lg-imray.jpg

231 ms

lg-pandg.jpg

lg-pandg.jpg

315 ms

lg-emma-1.jpg

lg-emma-1.jpg

747 ms

find-chart-search.svg

find-chart-search.svg

265 ms

rtb-icons.svg

rtb-icons.svg

267 ms

atlantic.png

atlantic.png

539 ms

caribbean.png

caribbean.png

401 ms

mediterranean.png

mediterranean.png

460 ms

Northen-Europe.png

Northen-Europe.png

462 ms

Pacific.png

Pacific.png

518 ms

Rest-of-the-world.png

Rest-of-the-world.png

529 ms

fr1.jpeg

fr1.jpeg

725 ms

ad4100.jpg

ad4100.jpg

610 ms

5615_20.jpg

5615_20.jpg

686 ms

ad2250.jpg

ad2250.jpg

645 ms

5600_1.jpg

5600_1.jpg

726 ms

ad3137.jpg

ad3137.jpg

721 ms

ad3418.jpg

ad3418.jpg

807 ms

5601_5.jpg

5601_5.jpg

810 ms

5601_9.jpg

5601_9.jpg

807 ms

STD-Calculator-on-a-Chart.jpg

STD-Calculator-on-a-Chart.jpg

839 ms

5609_10.jpg

5609_10.jpg

882 ms

5604_13.jpg

5604_13.jpg

973 ms

plotting-instruments.jpg

plotting-instruments.jpg

895 ms

admiraltybrand.png

admiraltybrand.png

936 ms

meridianzero.jpg

meridianzero.jpg

966 ms

reeds.jpg

reeds.jpg

949 ms

navionicslogo2018003-page-001.jpg

navionicslogo2018003-page-001.jpg

1051 ms

1194954116338826602258536523678660030742892n.jpg

1194954116338826602258536523678660030742892n.jpg

1009 ms

qFda35WCmI96Ajtm83upeyoaX6QPnlo6_PPbPpqM.woff

qFda35WCmI96Ajtm83upeyoaX6QPnlo6_PPbPpqM.woff

236 ms

qFda35WCmI96Ajtm83upeyoaX6QPnlo6ovPbPpqM.woff

qFda35WCmI96Ajtm83upeyoaX6QPnlo6ovPbPpqM.woff

245 ms

qFda35WCmI96Ajtm83upeyoaX6QPnlo6G_TbPpqM.woff

qFda35WCmI96Ajtm83upeyoaX6QPnlo6G_TbPpqM.woff

261 ms

qFda35WCmI96Ajtm83upeyoaX6QPnlo6VfTbPpqM.woff

qFda35WCmI96Ajtm83upeyoaX6QPnlo6VfTbPpqM.woff

266 ms

not_found.jpg

not_found.jpg

1063 ms

cookie-icon-simple.svg

cookie-icon-simple.svg

37 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

737 ms

collect

collect

35 ms

imraylogo.png

imraylogo.png

843 ms

rya.png

rya.png

864 ms

sea-chest.svg

sea-chest.svg

894 ms

19001118.js

19001118.js

29 ms

social_media_icons_white_footer.svg

social_media_icons_white_footer.svg

748 ms

association-logos.svg

association-logos.svg

883 ms

cards_elavon_paypal.svg

cards_elavon_paypal.svg

747 ms

Accessibility Review

seachest.co.uk 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.

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

seachest.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

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

seachest.co.uk SEO score

89

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

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 Seachest.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 Seachest.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

seachest.co.uk

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