Tools & Wizards About Us
empirebjj.com screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

empirebjj.com

Empire Jiu Jitsu | San Francisco | Kurt Osiander & Jake Scovel

Page Load Speed

1.6 sec in total

First Response

57 ms

Resources Loaded

1.2 sec

Page Rendered

363 ms

empirebjj.com screenshot

About Website

Click here to check amazing Empire Bjj content for United States. Otherwise, check out these important facts you probably never knew about empirebjj.com

Old school Brazilian Jiu-Jitsu taught by Kurt Osiander and Jake Scovel in San Francisco's Mission District in California

Visit empirebjj.com

Key Findings

We analyzed Empirebjj.com page load time and found that the first response time was 57 ms and then it took 1.6 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

empirebjj.com performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value4.7 s

68/100

10%

TBT (Total Blocking Time)

Value480 ms

60/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

empirebjj.com

57 ms

www.empirebjj.com

216 ms

style.css

308 ms

font-awesome.min.css

192 ms

css

39 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 30% of them (17 requests) were addressed to the original Empirebjj.com, 14% (8 requests) were made to Fonts.gstatic.com and 11% (6 requests) were made to Empirejiujitsuca.sites.zenplanner.com. The less responsive or slowest element that took the longest time to load (482 ms) relates to the external source Empirejiujitsuca.sites.zenplanner.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 610.9 kB (40%)

Content Size

1.5 MB

After Optimization

915.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Empirebjj.com main page is 1.5 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. 60% of websites need less resources to load. Javascripts take 843.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 13.7 kB

  • Original 17.3 kB
  • After minification 11.3 kB
  • After compression 3.7 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. This page needs HTML code to be minified as it can gain 6.0 kB, which is 35% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 13.7 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 1.0 kB

  • Original 481.5 kB
  • After minification 480.4 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. Empire Bjj images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 463.9 kB

  • Original 843.8 kB
  • After minification 823.2 kB
  • After compression 379.9 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 463.9 kB or 55% of the original size.

CSS Optimization

-72%

Potential reduce by 132.3 kB

  • Original 184.3 kB
  • After minification 179.1 kB
  • After compression 51.9 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. Empirebjj.com needs all CSS files to be minified and compressed as it can save up to 132.3 kB or 72% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (74%)

Requests Now

43

After Optimization

11

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Empire Bjj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

empirebjj.com

empirebjj.com

57 ms

www.empirebjj.com

www.empirebjj.com

216 ms

style.css

style.css

308 ms

font-awesome.min.css

font-awesome.min.css

192 ms

css

css

39 ms

css

css

58 ms

css

css

62 ms

api.js

api.js

44 ms

calendar.cfm

calendar.cfm

264 ms

resize.js

resize.js

291 ms

recaptcha__en.js

recaptcha__en.js

29 ms

jquery-1.11.0.js

jquery-1.11.0.js

323 ms

bootstrap.min.js

bootstrap.min.js

188 ms

jquery.easing.min.js

jquery.easing.min.js

127 ms

classie.js

classie.js

128 ms

cbpAnimatedHeader.js

cbpAnimatedHeader.js

324 ms

jqBootstrapValidation.js

jqBootstrapValidation.js

323 ms

contact_me.js

contact_me.js

323 ms

agency.js

agency.js

323 ms

calendar.cfm

calendar.cfm

482 ms

embed

embed

198 ms

header-bg.jpg

header-bg.jpg

300 ms

1.jpg

1.jpg

266 ms

2.jpg

2.jpg

267 ms

map-image.png

map-image.png

451 ms

anchor

anchor

47 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsiH0B4gaVc.ttf

18 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

25 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsgH1x4gaVc.ttf

32 ms

RWmMoKWR9v4ksMfaWd_JN9XFiaE.ttf

RWmMoKWR9v4ksMfaWd_JN9XFiaE.ttf

35 ms

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff1GhDuXMQg.ttf

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff1GhDuXMQg.ttf

32 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

198 ms

styles__ltr.css

styles__ltr.css

5 ms

recaptcha__en.js

recaptcha__en.js

13 ms

SzbTPrPj0RZMh3sKke7Dm2R1EAOQaD1lrFJKAhnJ0tE.js

SzbTPrPj0RZMh3sKke7Dm2R1EAOQaD1lrFJKAhnJ0tE.js

15 ms

webworker.js

webworker.js

53 ms

logo_48.png

logo_48.png

11 ms

js

js

69 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

25 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

23 ms

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

KFOlCnqEu92Fr1MmYUtfBBc9.ttf

24 ms

recaptcha__en.js

recaptcha__en.js

12 ms

search.js

search.js

7 ms

geometry.js

geometry.js

10 ms

main.js

main.js

14 ms

bootstrap-combined.no-icons.min.css

bootstrap-combined.no-icons.min.css

27 ms

font-awesome.min.css

font-awesome.min.css

40 ms

theme.cfm

theme.cfm

212 ms

jquery.min.js

jquery.min.js

31 ms

theme.cfm

theme.cfm

213 ms

bootstrap.min.js

bootstrap.min.js

9 ms

parsley.min.js

parsley.min.js

40 ms

theme.js

theme.js

23 ms

theme.cfm

theme.cfm

72 ms

theme.cfm

theme.cfm

67 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

16 ms

analytics.js

analytics.js

17 ms

Accessibility Review

empirebjj.com accessibility score

86

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.

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

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

Best Practices

empirebjj.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

empirebjj.com 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

    N/A

  • Encoding

    UTF-8

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

empirebjj.com

Open Graph description is not detected on the main page of Empire Bjj. 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: