Access zengar.com. NeurOptimal® Neurofeedback & Brain Training Systems for Personal & Professional Use

name

value

score

weighting

FCP (First Contentful Paint)

Value6.3 s

3/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value21.3 s

0/100

10%

TBT (Total Blocking Time)

Value11,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.055

98/100

15%

TTI (Time to Interactive)

Value29.4 s

0/100

10%

zengar.com

105 ms

neuroptimal.com

123 ms

neuroptimal.com

558 ms

jquery.min.js

116 ms

jquery-migrate.min.js

272 ms

Our browser made a total of 100 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Zengar.com, 87% (87 requests) were made to Neuroptimal.com and 6% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Neuroptimal.com.

Content Size

4.1 MB

After Optimization

3.0 MB

In fact, the total size of Zengar.com main page is 4.1 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. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 780.6 kB

Original 898.2 kB
After minification 897.8 kB
After compression 117.6 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 780.6 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 96 B

Original 2.6 MB
After minification 2.6 MB

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. Zengar images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 35.7 kB

Original 258.7 kB
After minification 258.7 kB
After compression 223.0 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 35.7 kB or 14% of the original size.

CSS Optimization

-85%

Potential reduce by 309.8 kB

Original 366.7 kB
After minification 366.5 kB
After compression 56.8 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. Zengar.com needs all CSS files to be minified and compressed as it can save up to 309.8 kB or 85% of the original size.

Requests Now

After Optimization

The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zengar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 49 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

ARIA toggle fields do not have accessible names

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve keyboard navigation in your application.

High

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

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document doesn't use 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 Zengar.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 Zengar.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

zengar.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

NeurOptimal® Neurofeedback & Brain Training Systems for Personal & Professional Use

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

zengar.com

neuroptimal.com

neuroptimal.com

jquery.min.js

jquery-migrate.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

zengar.com

neuroptimal.com

neuroptimal.com

jquery.min.js

jquery-migrate.min.js

core.min.js

menu.min.js

autocomplete.min.js

ultimate.min.js

ultimate_bg.min.js

email-decode.min.js

go_pricing_scripts.js

scripts.js

element.js

theme-my-login.min.js

jquery.blockUI.min.js

js.cookie.min.js

woocommerce.min.js

cart-fragments.min.js

frontend-checkout.min.js

live-search.min.js

socialshare.js

site-reviews.js

js_composer_front.min.js

bootstrap.js

jquery.cookie.min.js

owl.carousel.min.js

imagesloaded.min.js

jquery.magnific-popup.min.js

theme.js

theme-async.js

woocommerce-theme.js

functions.js

jquery.vide.min.js

countup.min.js

countup-loader.min.js

lightbox.min.js

masonry.pkgd.min.js

owl.carousel.min.js

imagesloaded.pkgd.min.js

SFXTfvAz8q4

underscore-before.js

underscore.min.js