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atsk.co.uk screenshot

Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

atsk.co.uk

Karate Clubs in Hertfordshire & Bedfordshire | ATSK

Page Load Speed

1.1 sec in total

First Response

121 ms

Resources Loaded

784 ms

Page Rendered

240 ms

atsk.co.uk screenshot

About Website

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

ATSK offer a selection of martial arts sessions for learners of all ages to improve fitness, confidence and self control.

Visit atsk.co.uk

Key Findings

We analyzed Atsk.co.uk page load time and found that the first response time was 121 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

atsk.co.uk performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

83/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value3.7 s

85/100

10%

TBT (Total Blocking Time)

Value90 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.115

86/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

www.atsk.co.uk

121 ms

www.atsk.co.uk

98 ms

tiger-1920x250-1920w.png

128 ms

jquery-3.7.0.min.js

49 ms

d-js-one-runtime-unified-desktop.min.js

59 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 26% of them (6 requests) were addressed to the original Atsk.co.uk, 52% (12 requests) were made to Lirp.cdn-website.com and 17% (4 requests) were made to Static.cdn-website.com. The less responsive or slowest element that took the longest time to load (296 ms) relates to the external source Lirp.cdn-website.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 90.7 kB (22%)

Content Size

409.8 kB

After Optimization

319.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Atsk.co.uk main page is 409.8 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. 35% of websites need less resources to load. Images take 170.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 70.4 kB

  • Original 93.1 kB
  • After minification 89.7 kB
  • After compression 22.7 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 70.4 kB or 76% of the original size.

Image Optimization

-12%

Potential reduce by 20.1 kB

  • Original 170.8 kB
  • After minification 150.8 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, ATSK needs image optimization as it can save up to 20.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 234 B

  • Original 145.8 kB
  • After minification 145.8 kB
  • After compression 145.6 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.

Requests Breakdown

Number of requests can be reduced by 8 (38%)

Requests Now

21

After Optimization

13

  • Images
  • JavaScript

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ATSK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.atsk.co.uk

www.atsk.co.uk

121 ms

www.atsk.co.uk

www.atsk.co.uk

98 ms

tiger-1920x250-1920w.png

tiger-1920x250-1920w.png

128 ms

jquery-3.7.0.min.js

jquery-3.7.0.min.js

49 ms

d-js-one-runtime-unified-desktop.min.js

d-js-one-runtime-unified-desktop.min.js

59 ms

d-js-jquery-migrate.min.js

d-js-jquery-migrate.min.js

61 ms

popup.js

popup.js

9 ms

helpers.js

helpers.js

18 ms

userVisitsConditionService.js

userVisitsConditionService.js

33 ms

timeRangeConditionService.js

timeRangeConditionService.js

38 ms

rrule.min.js

rrule.min.js

63 ms

js

js

88 ms

ATSKLogo-142x144-175h.jpg

ATSKLogo-142x144-175h.jpg

142 ms

kids_showing_karate_moves-960x500-1152w.jpg

kids_showing_karate_moves-960x500-1152w.jpg

135 ms

kids_having_fun_when_practicing_karate-960x500-1152w.jpg

kids_having_fun_when_practicing_karate-960x500-1152w.jpg

262 ms

sensei_stark-960x500-1152w.jpg

sensei_stark-960x500-1152w.jpg

106 ms

mobile_slider_kids_showing_karate_moves-273x191-1920w.png

mobile_slider_kids_showing_karate_moves-273x191-1920w.png

117 ms

mobile_slider_kids_having_fun_practicing_karate-273x191-1920w.png

mobile_slider_kids_having_fun_practicing_karate-273x191-1920w.png

261 ms

mobile_slider_sensei_stark-273x191-1920w.png

mobile_slider_sensei_stark-273x191-1920w.png

296 ms

master_and_disciples-630x420-768w.jpg

master_and_disciples-630x420-768w.jpg

208 ms

kids_practicing_with_their_sensei-630x420-768w.jpg

kids_practicing_with_their_sensei-630x420-768w.jpg

260 ms

young_kids_practicing_karate-630x420-750w.jpg

young_kids_practicing_karate-630x420-750w.jpg

261 ms

115272240-750w.jpg

115272240-750w.jpg

272 ms

Accessibility Review

atsk.co.uk accessibility score

83

Accessibility Issues

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

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

atsk.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

atsk.co.uk SEO score

86

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

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Atsk.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 Atsk.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

atsk.co.uk

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