Tools & Wizards About Us

Report Summary

  • 75

    Performance

    Renders faster than
    83% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

nvbjj.com

Renzo Gracie Jiu-Jitsu of Northern Valley | Northvale Martial Arts & Fitness

Page Load Speed

2.5 sec in total

First Response

140 ms

Resources Loaded

1.9 sec

Page Rendered

484 ms

About Website

Visit nvbjj.com now to see the best up-to-date Nvbjj content and also check out these interesting facts you probably never knew about nvbjj.com

Conveniently located in Northvale, our martial arts classes are excellent choices for self-defense, discipline, and fitness for all ages & fitness levels.

Visit nvbjj.com

Key Findings

We analyzed Nvbjj.com page load time and found that the first response time was 140 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nvbjj.com performance score

75

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value2.6 s

87/100

25%

SI (Speed Index)

Value2.5 s

98/100

10%

TBT (Total Blocking Time)

Value680 ms

44/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value6.6 s

58/100

10%

Network Requests Diagram

nvbjj.com

140 ms

nvbjj.com

418 ms

rocket-loader.min.js

13 ms

nvbjj-logo-min.png

44 ms

phone-call.png

63 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 38% of them (20 requests) were addressed to the original Nvbjj.com, 23% (12 requests) were made to Fonts.gstatic.com and 13% (7 requests) were made to Stcdn.leadconnectorhq.com. The less responsive or slowest element that took the longest time to load (833 ms) relates to the external source Link.recsuccess.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 250.4 kB (42%)

Content Size

590.0 kB

After Optimization

339.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nvbjj.com main page is 590.0 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. 50% of websites need less resources to load. HTML takes 297.6 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 250.1 kB

  • Original 297.6 kB
  • After minification 297.6 kB
  • After compression 47.5 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 250.1 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 54 B

  • Original 246.6 kB
  • After minification 246.6 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. Nvbjj images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 68 B

  • Original 31.8 kB
  • After minification 31.8 kB
  • After compression 31.8 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

-1%

Potential reduce by 172 B

  • Original 14.0 kB
  • After minification 13.9 kB
  • After compression 13.8 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. Nvbjj.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (56%)

Requests Now

34

After Optimization

15

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nvbjj. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

nvbjj.com accessibility score

93

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best Practices

nvbjj.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

SEO Factors

nvbjj.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

    EN

  • Encoding

    UTF-8

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

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