Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 0

    Best Practices

  • 77

    SEO

    Google-friendlier than
    36% of websites

jquery-part2.codeschool.com

Code School: jQuery, The Return Flight | Pluralsight

Page Load Speed

2.2 sec in total

First Response

175 ms

Resources Loaded

1.9 sec

Page Rendered

155 ms

jquery-part2.codeschool.com screenshot

About Website

Welcome to jquery-part2.codeschool.com homepage info - get ready to check JQuery Part2 Code School best content for Nigeria right away, or after learning these important things about jquery-part2.codeschool.com

Learn Ajax and add more interactivity to your projects. Discover how to organize your code using jQuery Plugins and Promises.

Visit jquery-part2.codeschool.com

Key Findings

We analyzed Jquery-part2.codeschool.com page load time and found that the first response time was 175 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

jquery-part2.codeschool.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value12.9 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,630 ms

12/100

30%

CLS (Cumulative Layout Shift)

Value0.342

33/100

15%

TTI (Time to Interactive)

Value22.0 s

1/100

10%

Network Requests Diagram

jquery-part2.codeschool.com

175 ms

1

81 ms

1

240 ms

application-aa972b9aeb588ac0e44235dc42eb9bf2.css

410 ms

blackboard-stable.css

51 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 61% of them (19 requests) were addressed to the original Jquery-part2.codeschool.com, 10% (3 requests) were made to Google-analytics.com and 6% (2 requests) were made to Cdn.codeschool.com. The less responsive or slowest element that took the longest time to load (826 ms) belongs to the original domain Jquery-part2.codeschool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.6 MB (77%)

Content Size

2.1 MB

After Optimization

494.8 kB

In fact, the total size of Jquery-part2.codeschool.com main page is 2.1 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. 45% of websites need less resources to load. Javascripts take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 46.9 kB

  • Original 65.7 kB
  • After minification 65.7 kB
  • After compression 18.8 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 46.9 kB or 71% of the original size.

Image Optimization

-6%

Potential reduce by 4.7 kB

  • Original 75.5 kB
  • After minification 70.8 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. JQuery Part2 Code School images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 1.4 MB

  • Original 1.8 MB
  • After minification 1.2 MB
  • After compression 386.6 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 1.4 MB or 78% of the original size.

CSS Optimization

-91%

Potential reduce by 185.8 kB

  • Original 204.3 kB
  • After minification 128.2 kB
  • After compression 18.5 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. Jquery-part2.codeschool.com needs all CSS files to be minified and compressed as it can save up to 185.8 kB or 91% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (48%)

Requests Now

25

After Optimization

13

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JQuery Part2 Code School. 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 as a result speed up the page load time.

Accessibility Review

jquery-part2.codeschool.com accessibility score

75

Accessibility Issues

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

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

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>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

SEO Factors

jquery-part2.codeschool.com SEO score

77

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Tap targets are not sized appropriately

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 Jquery-part2.codeschool.com 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 Jquery-part2.codeschool.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 JQuery Part2 Code School. 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: