Tools & Wizards About Us
usdomartialarts.com screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

usdomartialarts.com

Do martial arts | Taekwondo and judo academy | 3963 East Castro Valley Boulevard, Castro Valley, CA, USA

Page Load Speed

669 ms in total

First Response

93 ms

Resources Loaded

519 ms

Page Rendered

57 ms

usdomartialarts.com screenshot

About Website

Click here to check amazing Usdo Martial Arts content. Otherwise, check out these important facts you probably never knew about usdomartialarts.com

Do Martial Arts offers family-friendly Taekwondo and Judo academy in Castro Valley. Join us for training that builds confidence, discipline, and strength

Visit usdomartialarts.com

Key Findings

We analyzed Usdomartialarts.com page load time and found that the first response time was 93 ms and then it took 576 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

usdomartialarts.com performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value90.8 s

0/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value20.3 s

2/100

10%

Network Requests Diagram

www.usdomartialarts.com

93 ms

minified.js

35 ms

focus-within-polyfill.js

30 ms

polyfill.min.js

33 ms

thunderbolt-commons.e7839053.bundle.min.js

114 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Usdomartialarts.com, 39% (15 requests) were made to Static.parastorage.com and 32% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (178 ms) relates to the external source Clarity.ms.

Page Optimization Overview & Recommendations

Page size can be reduced by 780.2 kB (63%)

Content Size

1.2 MB

After Optimization

454.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Usdomartialarts.com main page is 1.2 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 925.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 760.1 kB

  • Original 925.9 kB
  • After minification 924.1 kB
  • After compression 165.8 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 760.1 kB or 82% of the original size.

Image Optimization

-33%

Potential reduce by 15.7 kB

  • Original 47.6 kB
  • After minification 32.0 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, Usdo Martial Arts needs image optimization as it can save up to 15.7 kB or 33% 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 4.5 kB

  • Original 261.1 kB
  • After minification 261.0 kB
  • After compression 256.6 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 12 (35%)

Requests Now

34

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Usdo Martial Arts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.usdomartialarts.com

www.usdomartialarts.com

93 ms

minified.js

minified.js

35 ms

focus-within-polyfill.js

focus-within-polyfill.js

30 ms

polyfill.min.js

polyfill.min.js

33 ms

thunderbolt-commons.e7839053.bundle.min.js

thunderbolt-commons.e7839053.bundle.min.js

114 ms

main.760485a2.bundle.min.js

main.760485a2.bundle.min.js

114 ms

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

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

114 ms

lodash.min.js

lodash.min.js

113 ms

react.production.min.js

react.production.min.js

99 ms

react-dom.production.min.js

react-dom.production.min.js

115 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

115 ms

jgbykepys4

jgbykepys4

178 ms

DMA%20Logo.png

DMA%20Logo.png

130 ms

bundle.min.js

bundle.min.js

65 ms

9dafc9_c712ebf1761a43138a1e752a2448bbc9~mv2.jpg

9dafc9_c712ebf1761a43138a1e752a2448bbc9~mv2.jpg

98 ms

9dafc9_c791eb6e32ab4ad5ad879b2b16b48082~mv2.jpg

9dafc9_c791eb6e32ab4ad5ad879b2b16b48082~mv2.jpg

99 ms

9dafc9_65bc750c8e8b46699c77afec85b79d4c~mv2.png

9dafc9_65bc750c8e8b46699c77afec85b79d4c~mv2.png

131 ms

148 ms

143 ms

143 ms

139 ms

138 ms

133 ms

177 ms

173 ms

172 ms

172 ms

171 ms

167 ms

clarity.js

clarity.js

43 ms

deprecation-en.v5.html

deprecation-en.v5.html

4 ms

bolt-performance

bolt-performance

27 ms

deprecation-style.v5.css

deprecation-style.v5.css

9 ms

right-arrow.svg

right-arrow.svg

20 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

8 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

9 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

9 ms

c.gif

c.gif

9 ms

Accessibility Review

usdomartialarts.com accessibility score

98

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.

Best Practices

usdomartialarts.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

usdomartialarts.com SEO score

77

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

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Usdomartialarts.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 Usdomartialarts.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

usdomartialarts.com

Open Graph description is not detected on the main page of Usdo Martial Arts. 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: