Report Summary

  • 26

    Performance

    Renders faster than
    45% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

essentialskillz.com

Home - EssentialSkillz

Page Load Speed

2.6 sec in total

First Response

204 ms

Resources Loaded

1.8 sec

Page Rendered

509 ms

essentialskillz.com screenshot

About Website

Welcome to essentialskillz.com homepage info - get ready to check Essential Skillz best content for United Kingdom right away, or after learning these important things about essentialskillz.com

EssentialSkillz has joined VinciWorks. This means you can now enjoy hundreds more courses covering an increased range of topics and much more.

Visit essentialskillz.com

Key Findings

We analyzed Essentialskillz.com page load time and found that the first response time was 204 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

essentialskillz.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value12.1 s

0/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.026

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

essentialskillz.com

204 ms

essentialskillz.com

282 ms

58 ms

bootstrap.min.css

44 ms

tiny-slider.css

52 ms

Our browser made a total of 98 requests to load all elements on the main page. We found that 2% of them (2 requests) were addressed to the original Essentialskillz.com, 50% (49 requests) were made to Fonts.gstatic.com and 40% (39 requests) were made to Vinciworks.com. The less responsive or slowest element that took the longest time to load (288 ms) relates to the external source Vinciworks.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.5 kB (12%)

Content Size

758.0 kB

After Optimization

665.5 kB

In fact, the total size of Essentialskillz.com main page is 758.0 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. Only a small number of websites need less resources to load. Images take 605.2 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 83.1 kB

  • Original 97.2 kB
  • After minification 80.4 kB
  • After compression 14.1 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 16.8 kB, which is 17% 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 83.1 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 2.5 kB

  • Original 605.2 kB
  • After minification 602.7 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. Essential Skillz images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 1.3 kB

  • Original 38.1 kB
  • After minification 38.1 kB
  • After compression 36.8 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

-32%

Potential reduce by 5.6 kB

  • Original 17.5 kB
  • After minification 17.5 kB
  • After compression 11.9 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. Essentialskillz.com needs all CSS files to be minified and compressed as it can save up to 5.6 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (45%)

Requests Now

42

After Optimization

23

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Essential Skillz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

essentialskillz.com accessibility score

64

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

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

High

Heading elements are not in a sequentially-descending order

ARIA

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.

Impact

Issue

High

ARIA IDs 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

Low

No form fields have multiple labels

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Tables and lists

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

Impact

Issue

High

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

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

essentialskillz.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

High

Page has valid source maps

SEO Factors

essentialskillz.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 Essentialskillz.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 Essentialskillz.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 Essential Skillz. 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: