Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

topclassblackcabtourslondon.co.uk

Welcome To Top Class Black Cab Tours - Top Class Black Cab Tours London

Page Load Speed

21.9 sec in total

First Response

290 ms

Resources Loaded

21.4 sec

Page Rendered

234 ms

About Website

Welcome to topclassblackcabtourslondon.co.uk homepage info - get ready to check Top Class Black Cab Tours London best content right away, or after learning these important things about topclassblackcabtourslondon.co.uk

Top Class Black Cab Tours - an informative way of seeing our historic and wonderful City. Travel in an iconic London Taxi

Visit topclassblackcabtourslondon.co.uk

Key Findings

We analyzed Topclassblackcabtourslondon.co.uk page load time and found that the first response time was 290 ms and then it took 21.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

topclassblackcabtourslondon.co.uk performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

35/100

10%

LCP (Largest Contentful Paint)

Value22.7 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.039

100/100

15%

TTI (Time to Interactive)

Value32.1 s

0/100

10%

Network Requests Diagram

topclassblackcabtourslondon.co.uk

290 ms

topclassblackcabtourslondon.co.uk

688 ms

dashicons.min.css

99 ms

elusive.min.css

196 ms

all.min.css

270 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 59% of them (44 requests) were addressed to the original Topclassblackcabtourslondon.co.uk, 20% (15 requests) were made to Static.xx.fbcdn.net and 5% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Tripadvisor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.5 MB (26%)

Content Size

9.4 MB

After Optimization

6.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Topclassblackcabtourslondon.co.uk main page is 9.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 8.5 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 68.4 kB

  • Original 86.1 kB
  • After minification 84.5 kB
  • After compression 17.7 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. 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 68.4 kB or 79% of the original size.

Image Optimization

-25%

Potential reduce by 2.1 MB

  • Original 8.5 MB
  • After minification 6.4 MB

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, Top Class Black Cab Tours London needs image optimization as it can save up to 2.1 MB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-48%

Potential reduce by 332.6 kB

  • Original 694.4 kB
  • After minification 694.4 kB
  • After compression 361.9 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 332.6 kB or 48% of the original size.

CSS Optimization

-2%

Potential reduce by 2.2 kB

  • Original 135.7 kB
  • After minification 135.7 kB
  • After compression 133.5 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. Topclassblackcabtourslondon.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 39 (64%)

Requests Now

61

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Top Class Black Cab Tours London. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

topclassblackcabtourslondon.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.

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

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

High

Definition list items are not wrapped in <dl> elements

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

topclassblackcabtourslondon.co.uk best practices score

83

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

topclassblackcabtourslondon.co.uk SEO score

100

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

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 Topclassblackcabtourslondon.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 Topclassblackcabtourslondon.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 Top Class Black Cab Tours London. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: