Tools & Wizards About Us

Report Summary

  • 3

    Performance

    Renders faster than
    20% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

auth.zookal.com

University & High School Online Study Tools - Zookal US

Page Load Speed

4.8 sec in total

First Response

377 ms

Resources Loaded

3.6 sec

Page Rendered

802 ms

About Website

Click here to check amazing Auth Zookal content for Australia. Otherwise, check out these important facts you probably never knew about auth.zookal.com

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Key Findings

We analyzed Auth.zookal.com page load time and found that the first response time was 377 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

auth.zookal.com performance score

3

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value12.2 s

3/100

10%

TBT (Total Blocking Time)

Value3,730 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.503

16/100

15%

TTI (Time to Interactive)

Value42.0 s

0/100

10%

Network Requests Diagram

auth.zookal.com

377 ms

www.zookal.com

396 ms

www.zookal.com

849 ms

us

453 ms

index.css

60 ms

Our browser made a total of 76 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Auth.zookal.com, 59% (45 requests) were made to Assets.zookal-web.production.aws.zookal.com and 5% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (849 ms) relates to the external source Zookal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 145.3 kB (8%)

Content Size

1.8 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Auth.zookal.com main page is 1.8 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. Only a small number of websites need less resources to load. Javascripts take 919.5 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 82.1 kB

  • Original 103.3 kB
  • After minification 103.3 kB
  • After compression 21.2 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 82.1 kB or 80% of the original size.

Image Optimization

-8%

Potential reduce by 62.3 kB

  • Original 740.6 kB
  • After minification 678.3 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. Auth Zookal images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 784 B

  • Original 919.5 kB
  • After minification 919.5 kB
  • After compression 918.7 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

-19%

Potential reduce by 103 B

  • Original 539 B
  • After minification 539 B
  • After compression 436 B

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. Auth.zookal.com needs all CSS files to be minified and compressed as it can save up to 103 B or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (68%)

Requests Now

60

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Auth Zookal. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

auth.zookal.com accessibility score

81

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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

Best Practices

auth.zookal.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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

auth.zookal.com SEO score

85

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

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 Auth.zookal.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 Auth.zookal.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 description is not detected on the main page of Auth Zookal. 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: