Tools & Wizards About Us

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

codingbootcamp.northwestern.edu

Northwestern Coding Boot Camp | Chicago & Evanston

Page Load Speed

1.1 sec in total

First Response

71 ms

Resources Loaded

629 ms

Page Rendered

372 ms

About Website

Welcome to codingbootcamp.northwestern.edu homepage info - get ready to check Coding Boot Camp Northwestern best content for United States right away, or after learning these important things about codingbootcamp.northwestern.edu

Northwestern Coding Boot Camp classes are taught online over video conference and designed to be engaging and interactive. Get started in web development today.

Visit codingbootcamp.northwestern.edu

Key Findings

We analyzed Codingbootcamp.northwestern.edu page load time and found that the first response time was 71 ms and then it took 1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

codingbootcamp.northwestern.edu performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

51/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value6.0 s

46/100

10%

TBT (Total Blocking Time)

Value1,330 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0.087

93/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

codingbootcamp.northwestern.edu

71 ms

77 ms

gtm.js

212 ms

lux.js

63 ms

js

309 ms

Our browser made a total of 48 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Codingbootcamp.northwestern.edu, 65% (31 requests) were made to Usa.bootcampcdn.com and 13% (6 requests) were made to Media.bootcampcdn.com. The less responsive or slowest element that took the longest time to load (324 ms) relates to the external source Media.bootcampcdn.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 150.5 kB (24%)

Content Size

619.3 kB

After Optimization

468.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Codingbootcamp.northwestern.edu main page is 619.3 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. Javascripts take 279.6 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 146.3 kB

  • Original 186.0 kB
  • After minification 170.1 kB
  • After compression 39.7 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 146.3 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 67 B

  • Original 103.9 kB
  • After minification 103.9 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. Coding Boot Camp Northwestern images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.7 kB

  • Original 279.6 kB
  • After minification 279.6 kB
  • After compression 277.9 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

-5%

Potential reduce by 2.4 kB

  • Original 49.8 kB
  • After minification 49.8 kB
  • After compression 47.4 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. Codingbootcamp.northwestern.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 32 (76%)

Requests Now

42

After Optimization

10

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Coding Boot Camp Northwestern. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

codingbootcamp.northwestern.edu accessibility score

81

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.

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

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

Best Practices

codingbootcamp.northwestern.edu best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

codingbootcamp.northwestern.edu SEO score

86

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 Codingbootcamp.northwestern.edu 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 Codingbootcamp.northwestern.edu 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 data is detected on the main page of Coding Boot Camp Northwestern. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: