Tools & Wizards About Us
dynamicselfdefence.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

dynamicselfdefence.com

Self Defence Classes | Dynamic Self Defence Academy | United Kingdom

Page Load Speed

1.8 sec in total

First Response

63 ms

Resources Loaded

1.6 sec

Page Rendered

63 ms

dynamicselfdefence.com screenshot

About Website

Click here to check amazing Dynamic Self Defence content. Otherwise, check out these important facts you probably never knew about dynamicselfdefence.com

Self defence for real life at the Dynamic Self Defence Academy with our specialised blend of martial arts techniques, fitness training and pressure testing has been honed into one of the best street s...

Visit dynamicselfdefence.com

Key Findings

We analyzed Dynamicselfdefence.com page load time and found that the first response time was 63 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

dynamicselfdefence.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value22.3 s

1/100

10%

Network Requests Diagram

www.dynamicselfdefence.com

63 ms

minified.js

54 ms

focus-within-polyfill.js

53 ms

polyfill.min.js

53 ms

thunderbolt-commons.3a64b3ed.bundle.min.js

295 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Dynamicselfdefence.com, 37% (22 requests) were made to Static.wixstatic.com and 20% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (544 ms) relates to the external source Sentry-next.wixpress.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (58%)

Content Size

1.8 MB

After Optimization

745.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dynamicselfdefence.com main page is 1.8 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. 30% of websites need less resources to load. HTML takes 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 994.8 kB

  • Original 1.2 MB
  • After minification 1.2 MB
  • After compression 213.2 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 994.8 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 12.2 kB

  • Original 75.8 kB
  • After minification 63.6 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, Dynamic Self Defence needs image optimization as it can save up to 12.2 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 6.8 kB

  • Original 415.9 kB
  • After minification 415.9 kB
  • After compression 409.1 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 59.9 kB
  • After minification 59.9 kB
  • After compression 59.9 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. Dynamicselfdefence.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (37%)

Requests Now

41

After Optimization

26

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dynamic Self Defence. 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 as a result speed up the page load time.

Network Requests Diagram

www.dynamicselfdefence.com

www.dynamicselfdefence.com

63 ms

minified.js

minified.js

54 ms

focus-within-polyfill.js

focus-within-polyfill.js

53 ms

polyfill.min.js

polyfill.min.js

53 ms

thunderbolt-commons.3a64b3ed.bundle.min.js

thunderbolt-commons.3a64b3ed.bundle.min.js

295 ms

main.380e55cc.bundle.min.js

main.380e55cc.bundle.min.js

295 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

294 ms

lodash.min.js

lodash.min.js

310 ms

react.production.min.js

react.production.min.js

321 ms

react-dom.production.min.js

react-dom.production.min.js

323 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

322 ms

DSDA%20LOGO.png

DSDA%20LOGO.png

230 ms

68kSBckoWBY

68kSBckoWBY

328 ms

bundle.min.js

bundle.min.js

178 ms

11062b_a3a487fc12034d1495f90fbebaeb8690~mv2.jpg

11062b_a3a487fc12034d1495f90fbebaeb8690~mv2.jpg

89 ms

3d3fd2_c37d42b778a3476cba8055ee99dfabfe~mv2.jpg

3d3fd2_c37d42b778a3476cba8055ee99dfabfe~mv2.jpg

134 ms

22df37_fc2a86cf39c545a7b6d65f378058a310~mv2.jpg

22df37_fc2a86cf39c545a7b6d65f378058a310~mv2.jpg

134 ms

3d3fd2_b76b9155ffe1467e9229d47fd8547772~mv2.jpg

3d3fd2_b76b9155ffe1467e9229d47fd8547772~mv2.jpg

130 ms

22df37_4ed1dbb2684b4b2eac77ff9c9dc70aae~mv2.jpg

22df37_4ed1dbb2684b4b2eac77ff9c9dc70aae~mv2.jpg

135 ms

22df37_2305ee64ae3048288d8c296bb30bb531~mv2.png

22df37_2305ee64ae3048288d8c296bb30bb531~mv2.png

132 ms

3d3fd2_2af7140fa4314107b7116b4298202e5b~mv2.jpg

3d3fd2_2af7140fa4314107b7116b4298202e5b~mv2.jpg

131 ms

22df37_48089b824f1943c7b94aea64d82f4c71~mv2.png

22df37_48089b824f1943c7b94aea64d82f4c71~mv2.png

136 ms

22df37_9f08858897db449cb36e9d8c76bdb03c~mv2.jpg

22df37_9f08858897db449cb36e9d8c76bdb03c~mv2.jpg

135 ms

3d3fd2_02c37db833a54fc6996f13ff5d67221f~mv2.jpg

3d3fd2_02c37db833a54fc6996f13ff5d67221f~mv2.jpg

135 ms

3d3fd2_4a024f70a1dc4159b029541822a2c328~mv2.jpg

3d3fd2_4a024f70a1dc4159b029541822a2c328~mv2.jpg

138 ms

22df37_1e9d768a862c4f358c28f2193093f929~mv2.jpg

22df37_1e9d768a862c4f358c28f2193093f929~mv2.jpg

139 ms

3d3fd2_8b7ebe7674864f658d02ce770ad51b42~mv2.png

3d3fd2_8b7ebe7674864f658d02ce770ad51b42~mv2.png

138 ms

3d3fd2_0d3083237413408ab4083c3ca37b5d12~mv2.jpg

3d3fd2_0d3083237413408ab4083c3ca37b5d12~mv2.jpg

137 ms

22df37_8c4d474f53bf44c39de7eea26dd714fc~mv2.png

22df37_8c4d474f53bf44c39de7eea26dd714fc~mv2.png

140 ms

22df37_4df88d66d47a42cfbcbdf9b8662bbc43~mv2.jpg

22df37_4df88d66d47a42cfbcbdf9b8662bbc43~mv2.jpg

139 ms

22df37_14991de1dcf543a4b2ba59cf9439548c~mv2.jpg

22df37_14991de1dcf543a4b2ba59cf9439548c~mv2.jpg

139 ms

3d3fd2_26ac5b4acd444056941c924f61c31291~mv2.jpg

3d3fd2_26ac5b4acd444056941c924f61c31291~mv2.jpg

141 ms

22df37_cec545b00488475fbeb4b33886da7ae2~mv2.jpg

22df37_cec545b00488475fbeb4b33886da7ae2~mv2.jpg

141 ms

22df37_18ba2c8964fc436ca2038c062d09b55f~mv2.jpg

22df37_18ba2c8964fc436ca2038c062d09b55f~mv2.jpg

140 ms

22df37_f3bfc9d5c75849f3a8c4f10fdc0f5feb~mv2.jpg

22df37_f3bfc9d5c75849f3a8c4f10fdc0f5feb~mv2.jpg

141 ms

175 ms

486 ms

488 ms

486 ms

482 ms

480 ms

479 ms

544 ms

544 ms

540 ms

539 ms

530 ms

www-player.css

www-player.css

29 ms

www-embed-player.js

www-embed-player.js

60 ms

base.js

base.js

97 ms

ad_status.js

ad_status.js

211 ms

hkwQPN6l4_SNpHVtjw8vAhWItmV3wkCVMuKaKCsfQ0c.js

hkwQPN6l4_SNpHVtjw8vAhWItmV3wkCVMuKaKCsfQ0c.js

174 ms

embed.js

embed.js

70 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

63 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

68 ms

id

id

53 ms

Create

Create

7 ms

qoe

qoe

12 ms

log_event

log_event

1 ms

Accessibility Review

dynamicselfdefence.com accessibility score

96

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

dynamicselfdefence.com 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

High

Page has valid source maps

SEO Factors

dynamicselfdefence.com SEO score

98

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

High

Tap targets are not sized appropriately

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 Dynamicselfdefence.com 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 Dynamicselfdefence.com 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

dynamicselfdefence.com

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