Tools & Wizards About Us

Report Summary

  • 87

    Performance

    Renders faster than
    89% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

wzacademy.com

Wicklander-Zulawski (WZ) Interviewing and Interrogation Courses-Wicklander-Zulawski (WZ) Interviewing and Interrogation Courses

Page Load Speed

1.6 sec in total

First Response

199 ms

Resources Loaded

1.3 sec

Page Rendered

118 ms

About Website

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

Online Training Courses by WZ for Loss Prevention and Human Resources/Employee Relations on Interviewing and Interrogation Techniques.

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Key Findings

We analyzed Wzacademy.com page load time and found that the first response time was 199 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

wzacademy.com performance score

87

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value3.1 s

93/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.262

47/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

wzacademy.com

199 ms

www.wzacademy.com

405 ms

all.css

69 ms

cusstyle.css

134 ms

ajaxCommon.js

189 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 89% of them (31 requests) were addressed to the original Wzacademy.com, 6% (2 requests) were made to Ssl.google-analytics.com and 3% (1 request) were made to Jquery-ui.googlecode.com. The less responsive or slowest element that took the longest time to load (405 ms) belongs to the original domain Wzacademy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 61.5 kB (7%)

Content Size

848.8 kB

After Optimization

787.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Wzacademy.com main page is 848.8 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. 20% of websites need less resources to load. Images take 769.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 32.8 kB

  • Original 40.1 kB
  • After minification 27.9 kB
  • After compression 7.3 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 12.2 kB, which is 30% 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 32.8 kB or 82% of the original size.

Image Optimization

-3%

Potential reduce by 26.6 kB

  • Original 769.4 kB
  • After minification 742.8 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. WZ Academy images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 544 B

  • Original 24.1 kB
  • After minification 24.1 kB
  • After compression 23.6 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.

CSS Optimization

-10%

Potential reduce by 1.6 kB

  • Original 15.2 kB
  • After minification 15.2 kB
  • After compression 13.6 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. Wzacademy.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 7 (22%)

Requests Now

32

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of WZ Academy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

wzacademy.com accessibility score

68

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

[id] attributes on active, focusable elements are not unique

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

wzacademy.com best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

wzacademy.com SEO score

92

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

Document doesn't have a valid hreflang

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wzacademy.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 Wzacademy.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of WZ Academy. 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: