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About Website

Welcome to zhischool.org homepage info - get ready to check Zhischool best content right away, or after learning these important things about zhischool.org

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name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

1/100

25%

SI (Speed Index)

Value7.7 s

24/100

10%

TBT (Total Blocking Time)

Value2,000 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.314

37/100

15%

TTI (Time to Interactive)

Value12.7 s

14/100

10%

zhischool.org

159 ms

www.zhischool.org

1090 ms

style.min.css

91 ms

media.min.css

186 ms

hamburgers.min.css

225 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 80% of them (55 requests) were addressed to the original Zhischool.org, 7% (5 requests) were made to Fonts.gstatic.com and 4% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Zhischool.org.

Content Size

549.2 kB

After Optimization

444.9 kB

In fact, the total size of Zhischool.org main page is 549.2 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. 55% of websites need less resources to load. Images take 361.1 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 32.1 kB

Original 39.6 kB
After minification 36.6 kB
After compression 7.5 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 32.1 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 19.1 kB

Original 361.1 kB
After minification 342.0 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. Zhischool images are well optimized though.

JavaScript Optimization

-11%

Potential reduce by 7.9 kB

Original 73.3 kB
After minification 68.9 kB
After compression 65.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 7.9 kB or 11% of the original size.

CSS Optimization

-60%

Potential reduce by 45.1 kB

Original 75.2 kB
After minification 75.1 kB
After compression 30.0 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. Zhischool.org needs all CSS files to be minified and compressed as it can save up to 45.1 kB or 60% of the original size.

Requests Now

After Optimization

The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zhischool. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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 the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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 uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zhischool.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Zhischool.org 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

zhischool.org

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

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Performance

Accessibility

Best Practices

SEO

Phlebotomy Technician Program | Homewood, Illinois

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)