Tools & Wizards About Us

Report Summary

  • 64

    Performance

    Renders faster than
    77% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

knightlab.com

Knight Lab

Page Load Speed

3.3 sec in total

First Response

30 ms

Resources Loaded

493 ms

Page Rendered

2.8 sec

About Website

Click here to check amazing Knight Lab content for Mexico. Otherwise, check out these important facts you probably never knew about knightlab.com

Advancing media through exploration and experimentation.

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Key Findings

We analyzed Knightlab.com page load time and found that the first response time was 30 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

knightlab.com performance score

64

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

knightlab.com

30 ms

knightlab.northwestern.edu

32 ms

fontface.css

36 ms

orangeline.min.css

100 ms

style.css

3 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Knightlab.com, 41% (16 requests) were made to Knightlab.northwestern.edu and 31% (12 requests) were made to Cdn.knightlab.com. The less responsive or slowest element that took the longest time to load (231 ms) relates to the external source Studio.knightlab.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 233.7 kB (9%)

Content Size

2.6 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Knightlab.com main page is 2.6 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 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 67.4 kB

  • Original 73.8 kB
  • After minification 25.0 kB
  • After compression 6.4 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 48.8 kB, which is 66% 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 67.4 kB or 91% of the original size.

Image Optimization

-6%

Potential reduce by 161.5 kB

  • Original 2.5 MB
  • After minification 2.3 MB

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. Knight Lab images are well optimized though.

CSS Optimization

-89%

Potential reduce by 4.8 kB

  • Original 5.3 kB
  • After minification 4.5 kB
  • After compression 560 B

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. Knightlab.com needs all CSS files to be minified and compressed as it can save up to 4.8 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

31

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Knight Lab. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

knightlab.com accessibility score

61

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Best Practices

knightlab.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

knightlab.com SEO score

91

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

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

High

Tap targets are not sized appropriately

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