Tools & Wizards About Us
londonschoolofsamba.co.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

londonschoolofsamba.co.uk

London School of Samba dance + drumming classes in London

Page Load Speed

14.9 sec in total

First Response

1.4 sec

Resources Loaded

6.9 sec

Page Rendered

6.6 sec

londonschoolofsamba.co.uk screenshot

About Website

Welcome to londonschoolofsamba.co.uk homepage info - get ready to check London School Of Samba best content for United Kingdom right away, or after learning these important things about londonschoolofsamba.co.uk

London School of Samba offers samba dance and samba drumming classes in London for complete beginners to performer level. Book Samba class today

Visit londonschoolofsamba.co.uk

Key Findings

We analyzed Londonschoolofsamba.co.uk page load time and found that the first response time was 1.4 sec and then it took 13.5 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

londonschoolofsamba.co.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value11.7 s

0/100

25%

SI (Speed Index)

Value16.4 s

0/100

10%

TBT (Total Blocking Time)

Value3,410 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value18.5 s

3/100

10%

Network Requests Diagram

www.londonschoolofsamba.co.uk

1391 ms

jquery.min.js

384 ms

css2

184 ms

all.min.css

221 ms

bootstrap-icons.css

185 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 57% of them (26 requests) were addressed to the original Londonschoolofsamba.co.uk, 15% (7 requests) were made to Youtube.com and 9% (4 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Londonschoolofsamba.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 369.2 kB (15%)

Content Size

2.5 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Londonschoolofsamba.co.uk main page is 2.5 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. Only a small number of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 31.4 kB

  • Original 42.1 kB
  • After minification 42.0 kB
  • After compression 10.7 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 31.4 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 3.0 kB

  • Original 2.0 MB
  • After minification 2.0 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. London School Of Samba images are well optimized though.

JavaScript Optimization

-24%

Potential reduce by 24.4 kB

  • Original 102.5 kB
  • After minification 102.5 kB
  • After compression 78.1 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 24.4 kB or 24% of the original size.

CSS Optimization

-78%

Potential reduce by 310.4 kB

  • Original 396.5 kB
  • After minification 396.3 kB
  • After compression 86.1 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. Londonschoolofsamba.co.uk needs all CSS files to be minified and compressed as it can save up to 310.4 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (55%)

Requests Now

42

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of London School Of Samba. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.londonschoolofsamba.co.uk

www.londonschoolofsamba.co.uk

1391 ms

jquery.min.js

jquery.min.js

384 ms

css2

css2

184 ms

all.min.css

all.min.css

221 ms

bootstrap-icons.css

bootstrap-icons.css

185 ms

animate.min.css

animate.min.css

787 ms

owl.carousel.min.css

owl.carousel.min.css

513 ms

bootstrap.min.css

bootstrap.min.css

1854 ms

paraxify.css

paraxify.css

519 ms

style.css

style.css

507 ms

email-decode.min.js

email-decode.min.js

343 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

59 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

51 ms

wow.min.js

wow.min.js

1685 ms

easing.min.js

easing.min.js

1773 ms

waypoints.min.js

waypoints.min.js

1884 ms

owl.carousel.min.js

owl.carousel.min.js

1885 ms

paraxify.min.js

paraxify.min.js

1885 ms

main.js

main.js

1889 ms

DD0lR357w58

DD0lR357w58

110 ms

xPlsUJEgd8A

xPlsUJEgd8A

296 ms

logo.jpg

logo.jpg

1569 ms

carousel-2.jpg

carousel-2.jpg

1574 ms

Samba-Dance-Classes-in-London-Photo-of-people-dancing-at-London-School-of-Samba-dance-class.jpeg

Samba-Dance-Classes-in-London-Photo-of-people-dancing-at-London-School-of-Samba-dance-class.jpeg

1570 ms

IMG_3389.jpg

IMG_3389.jpg

1568 ms

IMG_3993.jpg

IMG_3993.jpg

1572 ms

book.jpg

book.jpg

1570 ms

book1.jpg

book1.jpg

1561 ms

book2.jpg

book2.jpg

1565 ms

book5.jpg

book5.jpg

1564 ms

book3.jpg

book3.jpg

1569 ms

book4.jpg

book4.jpg

1568 ms

www-player.css

www-player.css

39 ms

www-embed-player.js

www-embed-player.js

230 ms

base.js

base.js

502 ms

fetch-polyfill.js

fetch-polyfill.js

208 ms

tick1.png

tick1.png

1017 ms

ad_status.js

ad_status.js

1101 ms

fa-solid-900.woff

fa-solid-900.woff

835 ms

fa-regular-400.woff

fa-regular-400.woff

1036 ms

fa-brands-400.woff

fa-brands-400.woff

1036 ms

VzG2MkIplQkVRFjh2318aFa5z5WLN2hc_81hWQCHWKw.js

VzG2MkIplQkVRFjh2318aFa5z5WLN2hc_81hWQCHWKw.js

1148 ms

embed.js

embed.js

531 ms

id

id

233 ms

Create

Create

300 ms

Create

Create

475 ms

Accessibility Review

londonschoolofsamba.co.uk accessibility score

79

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

londonschoolofsamba.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

londonschoolofsamba.co.uk SEO score

93

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

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 Londonschoolofsamba.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 Londonschoolofsamba.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

londonschoolofsamba.co.uk

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