Tools & Wizards About Us
cognition.run screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cognition.run

Online behavioral experiments for researchers - Cognition

Page Load Speed

3 sec in total

First Response

91 ms

Resources Loaded

2.5 sec

Page Rendered

436 ms

cognition.run screenshot

About Website

Welcome to cognition.run homepage info - get ready to check Cognition best content for United States right away, or after learning these important things about cognition.run

Cognition is a platform for running experiments online. Code your task with Javascript and share the task with your participants.

Visit cognition.run

Key Findings

We analyzed Cognition.run page load time and found that the first response time was 91 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

cognition.run performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value4.9 s

29/100

25%

SI (Speed Index)

Value3.4 s

90/100

10%

TBT (Total Blocking Time)

Value290 ms

80/100

30%

CLS (Cumulative Layout Shift)

Value0.28

43/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

cognition.run

91 ms

www.cognition.run

232 ms

www.cognition.run

526 ms

js

67 ms

theme.min.css

851 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that 21% of them (3 requests) were addressed to the original Cognition.run, 71% (10 requests) were made to Static.cognition.run and 7% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Static.cognition.run.

Page Optimization Overview & Recommendations

Page size can be reduced by 385.5 kB (33%)

Content Size

1.2 MB

After Optimization

780.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Cognition.run main page is 1.2 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. 25% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 84.3 kB

  • Original 118.1 kB
  • After minification 99.1 kB
  • After compression 33.8 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. This page needs HTML code to be minified as it can gain 19.0 kB, which is 16% 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 84.3 kB or 71% of the original size.

Image Optimization

-30%

Potential reduce by 301.2 kB

  • Original 1.0 MB
  • After minification 705.7 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. Obviously, Cognition needs image optimization as it can save up to 301.2 kB or 30% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 41.1 kB
  • After minification 41.1 kB
  • After compression 41.1 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. Cognition.run has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

9

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 9 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cognition. According to our analytics all requests are already optimized.

Network Requests Diagram

cognition.run

cognition.run

91 ms

www.cognition.run

www.cognition.run

232 ms

www.cognition.run

www.cognition.run

526 ms

js

js

67 ms

theme.min.css

theme.min.css

851 ms

brand.svg

brand.svg

1623 ms

illustration-lab-collaboration.png

illustration-lab-collaboration.png

907 ms

researchers.jpg

researchers.jpg

917 ms

screenshot.png

screenshot.png

946 ms

illustration-research-scientist.png

illustration-research-scientist.png

905 ms

Check.svg

Check.svg

911 ms

Earth.svg

Earth.svg

917 ms

HKGroteskPro-Regular.woff

HKGroteskPro-Regular.woff

26 ms

HKGroteskPro-Medium.woff

HKGroteskPro-Medium.woff

19 ms

Accessibility Review

cognition.run accessibility score

91

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

Links do not have a discernible name

Best Practices

cognition.run 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

cognition.run SEO score

100

Search Engine Optimization Advices

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 Cognition.run 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 Cognition.run 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

cognition.run

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