Report Summary

  • 81

    Performance

    Renders faster than
    87% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

theorytest.co.uk

Home - TheoryTest.co.uk

Page Load Speed

2.5 sec in total

First Response

176 ms

Resources Loaded

2.1 sec

Page Rendered

205 ms

theorytest.co.uk screenshot

About Website

Visit theorytest.co.uk now to see the best up-to-date Theory Test content and also check out these interesting facts you probably never knew about theorytest.co.uk

Visit theorytest.co.uk

Key Findings

We analyzed Theorytest.co.uk page load time and found that the first response time was 176 ms and then it took 2.3 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

theorytest.co.uk performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value3.3 s

69/100

25%

SI (Speed Index)

Value3.4 s

89/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.02

100/100

15%

TTI (Time to Interactive)

Value3.9 s

89/100

10%

Network Requests Diagram

theorytest.co.uk

176 ms

www.theorytest.co.uk

604 ms

template.css.php

224 ms

bootstrap.css

332 ms

styles.css

247 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 90% of them (28 requests) were addressed to the original Theorytest.co.uk, 6% (2 requests) were made to Google-analytics.com and 3% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (762 ms) belongs to the original domain Theorytest.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 423.9 kB (56%)

Content Size

754.5 kB

After Optimization

330.6 kB

In fact, the total size of Theorytest.co.uk main page is 754.5 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. 25% of websites need less resources to load. Javascripts take 373.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 9.6 kB

  • Original 12.9 kB
  • After minification 9.9 kB
  • After compression 3.3 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. This page needs HTML code to be minified as it can gain 3.0 kB, which is 23% 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 9.6 kB or 75% of the original size.

Image Optimization

-9%

Potential reduce by 18.1 kB

  • Original 192.8 kB
  • After minification 174.7 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. Theory Test images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 248.9 kB

  • Original 373.5 kB
  • After minification 367.2 kB
  • After compression 124.7 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 248.9 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 147.3 kB

  • Original 175.2 kB
  • After minification 163.3 kB
  • After compression 28.0 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. Theorytest.co.uk needs all CSS files to be minified and compressed as it can save up to 147.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (32%)

Requests Now

28

After Optimization

19

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Theory Test. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

theorytest.co.uk accessibility score

50

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

theorytest.co.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

theorytest.co.uk SEO score

62

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Theorytest.co.uk 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 Theorytest.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 description is not detected on the main page of Theory Test. 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: