Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

ukargo.net

UK Argo — part of the integrated global observation strategy

Page Load Speed

2.8 sec in total

First Response

195 ms

Resources Loaded

2.4 sec

Page Rendered

243 ms

ukargo.net screenshot

About Website

Visit ukargo.net now to see the best up-to-date UK Argo content and also check out these interesting facts you probably never knew about ukargo.net

UK Argo is part of the international Argo programme, dedicated to collecting high quality temperature and salinity data in the upper 2000 metres of the global ocean using free-drifting robotic floats.

Visit ukargo.net

Key Findings

We analyzed Ukargo.net page load time and found that the first response time was 195 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

ukargo.net performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

12/100

10%

LCP (Largest Contentful Paint)

Value9.1 s

1/100

25%

SI (Speed Index)

Value5.1 s

61/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value7.3 s

49/100

10%

Network Requests Diagram

ukargo.net

195 ms

www.ukargo.net

460 ms

site.css

93 ms

site.js

535 ms

analytics.js

25 ms

Our browser made a total of 21 requests to load all elements on the main page. We found that 81% of them (17 requests) were addressed to the original Ukargo.net, 14% (3 requests) were made to Google-analytics.com and 5% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Ukargo.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.8 kB (40%)

Content Size

47.5 kB

After Optimization

28.7 kB

In fact, the total size of Ukargo.net main page is 47.5 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. 15% of websites need less resources to load. HTML takes 24.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 18.5 kB

  • Original 24.1 kB
  • After minification 22.0 kB
  • After compression 5.5 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 18.5 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 954 B
  • After minification 954 B

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. UK Argo images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 150 B

  • Original 22.2 kB
  • After minification 22.2 kB
  • After compression 22.0 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

-29%

Potential reduce by 92 B

  • Original 318 B
  • After minification 309 B
  • After compression 226 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. Ukargo.net needs all CSS files to be minified and compressed as it can save up to 92 B or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (16%)

Requests Now

19

After Optimization

16

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UK Argo. 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.

Accessibility Review

ukargo.net accessibility score

90

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

ukargo.net best practices score

58

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

Browser errors were logged to the console

SEO Factors

ukargo.net SEO score

98

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

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 Ukargo.net 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 Ukargo.net 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

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