Tools & Wizards About Us

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

firstdefensekravmaga.com

Krav Maga Self Defense  - Northern VA | First Defense Krav Maga

Page Load Speed

2.7 sec in total

First Response

64 ms

Resources Loaded

2.1 sec

Page Rendered

571 ms

About Website

Welcome to firstdefensekravmaga.com homepage info - get ready to check First Defense Krav Maga best content for United States right away, or after learning these important things about firstdefensekravmaga.com

First Defense specializes in Krav Maga, providing Self Defense classes in Herndon, Reston, Fairfax, Vienna, Burke, Tyson's Corner and Washington, DC, .

Visit firstdefensekravmaga.com

Key Findings

We analyzed Firstdefensekravmaga.com page load time and found that the first response time was 64 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

firstdefensekravmaga.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value1,930 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value21.3 s

1/100

10%

Network Requests Diagram

firstdefensekravmaga.com

64 ms

www.firstdefensekravmaga.com

293 ms

bootstrap.min.css

14 ms

all.min.css

40 ms

v4-shims.min.css

38 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 73% of them (72 requests) were addressed to the original Firstdefensekravmaga.com, 6% (6 requests) were made to Fonts.gstatic.com and 5% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (445 ms) belongs to the original domain Firstdefensekravmaga.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.6 kB (6%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Firstdefensekravmaga.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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 860.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 59.8 kB

  • Original 79.4 kB
  • After minification 78.0 kB
  • After compression 19.6 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 59.8 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 16.1 kB

  • Original 860.2 kB
  • After minification 844.1 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. First Defense Krav Maga images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.7 kB

  • Original 211.1 kB
  • After minification 211.1 kB
  • After compression 208.4 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 59.8 kB
  • After minification 59.8 kB
  • After compression 59.8 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. Firstdefensekravmaga.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 66 (75%)

Requests Now

88

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of First Defense Krav Maga. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 42 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

firstdefensekravmaga.com accessibility score

84

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

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

firstdefensekravmaga.com best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

firstdefensekravmaga.com SEO score

91

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

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 Firstdefensekravmaga.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 Firstdefensekravmaga.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 First Defense Krav Maga. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: