Report Summary

  • 40

    Performance

    Renders faster than
    60% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

hcri.brown.edu

Brown University Humanity Centered Robotics Initiative – The next generation of human-machine technology

Page Load Speed

6.1 sec in total

First Response

576 ms

Resources Loaded

3.5 sec

Page Rendered

2 sec

hcri.brown.edu screenshot

About Website

Visit hcri.brown.edu now to see the best up-to-date Hcri Brown content for United States and also check out these interesting facts you probably never knew about hcri.brown.edu

Next Generation Robotics Education Learn about the DuckieSky curriculum under development by Dr. Tellex Learn about DuckieSky Exploring the role of Robotics in Society HCRI was started to explore the ...

Visit hcri.brown.edu

Key Findings

We analyzed Hcri.brown.edu page load time and found that the first response time was 576 ms and then it took 5.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

hcri.brown.edu performance score

40

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

40/100

25%

SI (Speed Index)

Value4.9 s

65/100

10%

TBT (Total Blocking Time)

Value2,230 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value8.1 s

41/100

10%

Network Requests Diagram

hcri.brown.edu

576 ms

wp-emoji-release.min.js

121 ms

160 ms

167 ms

css

194 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Hcri.brown.edu, 30% (13 requests) were made to Brownhcri.files.wordpress.com and 26% (11 requests) were made to S0.wp.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Brownhcri.files.wordpress.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 466.2 kB (11%)

Content Size

4.4 MB

After Optimization

3.9 MB

In fact, the total size of Hcri.brown.edu main page is 4.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.8 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 464.8 kB

  • Original 542.8 kB
  • After minification 540.1 kB
  • After compression 78.0 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 464.8 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 491 B

  • Original 3.8 MB
  • After minification 3.8 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. Hcri Brown images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 158 B

  • Original 12.9 kB
  • After minification 12.9 kB
  • After compression 12.7 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

-4%

Potential reduce by 715 B

  • Original 18.6 kB
  • After minification 18.6 kB
  • After compression 17.9 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. Hcri.brown.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (52%)

Requests Now

42

After Optimization

20

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hcri Brown. 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 17 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

hcri.brown.edu accessibility score

98

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

hcri.brown.edu 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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

hcri.brown.edu SEO score

93

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

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 Hcri.brown.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 Hcri.brown.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 Hcri Brown. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: