Access preworkscreen.com. Employee COVID-19 Daily Screening and Vaccination Tracking App

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

41/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value3,380 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.333

34/100

15%

TTI (Time to Interactive)

Value13.7 s

10/100

10%

preworkscreen.com

346 ms

js

151 ms

fbevents.js

54 ms

bootstrap.css

43 ms

all.min.css

48 ms

Our browser made a total of 85 requests to load all elements on the main page. We found that 82% of them (70 requests) were addressed to the original Preworkscreen.com, 4% (3 requests) were made to Connect.facebook.net and 2% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Preworkscreen.com.

Content Size

1.6 MB

After Optimization

1.0 MB

In fact, the total size of Preworkscreen.com main page is 1.6 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. 65% of websites need less resources to load. Images take 910.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 285.6 kB

Original 323.1 kB
After minification 298.7 kB
After compression 37.5 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 285.6 kB or 88% of the original size.

Image Optimization

-12%

Potential reduce by 105.5 kB

Original 910.8 kB
After minification 805.2 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. Obviously, Preworkscreen needs image optimization as it can save up to 105.5 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-38%

Potential reduce by 67.5 kB

Original 177.6 kB
After minification 177.6 kB
After compression 110.1 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 67.5 kB or 38% of the original size.

CSS Optimization

-39%

Potential reduce by 58.3 kB

Original 149.5 kB
After minification 149.3 kB
After compression 91.1 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. Preworkscreen.com needs all CSS files to be minified and compressed as it can save up to 58.3 kB or 39% of the original size.

Requests Now

After Optimization

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Preworkscreen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 8 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 usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

High

ARIA IDs are not unique

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

Language and Encoding

Language Detected

EN
Language Claimed

EN
Encoding

UTF-8;IE=EDGE

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Preworkscreen.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 Preworkscreen.com main page’s claimed encoding is utf-8;ie=edge. 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

preworkscreen.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Employee COVID-19 Daily Screening and Vaccination Tracking App

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

preworkscreen.com

js

fbevents.js

bootstrap.css

all.min.css

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

preworkscreen.com

js

fbevents.js

bootstrap.css

all.min.css

hs.megamenu.css

slick.css

pace-theme-minimal.css

theme.css

site.css

jquery.min.js

email-decode.min.js

lazyload.min.js

jquery.fancybox.min.css

jquery.fancybox.min.js

jquery-migrate.min.js

bootstrap.bundle.min.js

jquery.validate.min.js

jquery.validate.unobtrusive.min.js

public.common.js

public.ajaxcart.js

svg-injector.min.js

slick.js

pace.js

appear.js

hs.core.js

hs.megamenu.js

hs.slick-carousel.js

hs.header.js

hs.unfold.js

hs.svg-injector.js

hs.counter.js

modernizr-custom.js

sdk.js

19907143.js

vcd15cbe7772f49c399c6a5babf22c1241717689176015

round-icon.png

Preworkscreen%20COVID-19%20Screening%20Default%20Avatar.png

index_combined_mockup.png

pacsun.png

tim_hortons.png

institute_for_public_health.png

cebl.png