Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

uktaxcalculators.co.uk

Tax Calculator | UK Tax Calculators

Page Load Speed

1.8 sec in total

First Response

63 ms

Resources Loaded

963 ms

Page Rendered

762 ms

uktaxcalculators.co.uk screenshot

About Website

Click here to check amazing UK Tax Calculators content for United Kingdom. Otherwise, check out these important facts you probably never knew about uktaxcalculators.co.uk

Tax calculators and tax tools to check your income and salary after deductions such as UK tax, national insurance, pensions and student loans. Updated for the 2023-2024 tax year.

Visit uktaxcalculators.co.uk

Key Findings

We analyzed Uktaxcalculators.co.uk page load time and found that the first response time was 63 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

uktaxcalculators.co.uk performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value4.4 s

73/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.9 s

66/100

10%

Network Requests Diagram

uktaxcalculators.co.uk

63 ms

www.uktaxcalculators.co.uk

127 ms

bootstrap-min.css

62 ms

adsbygoogle.js

7 ms

jquery.min.js

131 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 24% of them (8 requests) were addressed to the original Uktaxcalculators.co.uk, 21% (7 requests) were made to Googleads.g.doubleclick.net and 18% (6 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (361 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 297.0 kB (54%)

Content Size

546.7 kB

After Optimization

249.6 kB

In fact, the total size of Uktaxcalculators.co.uk main page is 546.7 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. 55% of websites need less resources to load. Javascripts take 187.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 88.0 kB

  • Original 111.7 kB
  • After minification 97.1 kB
  • After compression 23.7 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 14.6 kB, which is 13% 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 88.0 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 937 B

  • Original 102.4 kB
  • After minification 101.5 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. UK Tax Calculators images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 82.7 kB

  • Original 187.4 kB
  • After minification 187.3 kB
  • After compression 104.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 82.7 kB or 44% of the original size.

CSS Optimization

-86%

Potential reduce by 125.3 kB

  • Original 145.1 kB
  • After minification 145.1 kB
  • After compression 19.8 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. Uktaxcalculators.co.uk needs all CSS files to be minified and compressed as it can save up to 125.3 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (29%)

Requests Now

31

After Optimization

22

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UK Tax Calculators. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

uktaxcalculators.co.uk accessibility score

85

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-*] attributes do not match their roles

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

Links do not have a discernible name

Best Practices

uktaxcalculators.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

SEO Factors

uktaxcalculators.co.uk SEO score

93

Search Engine Optimization Advices

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

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 Uktaxcalculators.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 Uktaxcalculators.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

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