Report Summary

  • 53

    Performance

    Renders faster than
    71% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

iknowtax.com

How is Tax calculated Explained Example Rates Simplified 2018 Calculator

Page Load Speed

15.1 sec in total

First Response

456 ms

Resources Loaded

13.9 sec

Page Rendered

711 ms

iknowtax.com screenshot

About Website

Welcome to iknowtax.com homepage info - get ready to check Iknow Tax best content for United Kingdom right away, or after learning these important things about iknowtax.com

Personal Allowance, Tax & NI rates simplified with examples showing how Tax, NI, PA is applied. Contains 2018/2019 PAYE, self emplyed, umbrella company and expense online calculator. Explains rates an...

Visit iknowtax.com

Key Findings

We analyzed Iknowtax.com page load time and found that the first response time was 456 ms and then it took 14.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

iknowtax.com performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.052

99/100

15%

TTI (Time to Interactive)

Value8.4 s

39/100

10%

Network Requests Diagram

iknowtax.com

456 ms

styles1.css

173 ms

stylesheet.css

174 ms

kashemz1.js

203 ms

show_ads.js

6 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 43% of them (59 requests) were addressed to the original Iknowtax.com, 6% (8 requests) were made to 4236808.fls.doubleclick.net and 6% (8 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (13.1 sec) belongs to the original domain Iknowtax.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 692.1 kB (57%)

Content Size

1.2 MB

After Optimization

518.5 kB

In fact, the total size of Iknowtax.com main page is 1.2 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. Javascripts take 810.6 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 116.0 kB

  • Original 149.3 kB
  • After minification 143.9 kB
  • After compression 33.3 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 116.0 kB or 78% of the original size.

Image Optimization

-36%

Potential reduce by 86.8 kB

  • Original 238.7 kB
  • After minification 151.9 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. Obviously, Iknow Tax needs image optimization as it can save up to 86.8 kB or 36% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-59%

Potential reduce by 479.7 kB

  • Original 810.6 kB
  • After minification 802.5 kB
  • After compression 330.8 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 479.7 kB or 59% of the original size.

CSS Optimization

-79%

Potential reduce by 9.6 kB

  • Original 12.1 kB
  • After minification 9.0 kB
  • After compression 2.5 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. Iknowtax.com needs all CSS files to be minified and compressed as it can save up to 9.6 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 74 (55%)

Requests Now

134

After Optimization

60

The browser has sent 134 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iknow Tax. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

iknowtax.com accessibility score

65

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

Form elements do not have associated labels

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

iknowtax.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

iknowtax.com SEO score

69

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iknowtax.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Iknowtax.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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