Tools & Wizards About Us
hcri.brown.edu screenshot

Report Summary

  • 81

    Performance

    Renders faster than
    86% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

hcri.brown.edu

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

Page Load Speed

2.5 sec in total

First Response

120 ms

Resources Loaded

1.4 sec

Page Rendered

1 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 120 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

hcri.brown.edu performance score

81

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

50/100

25%

SI (Speed Index)

Value2.4 s

98/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value5.5 s

70/100

10%

Network Requests Diagram

hcri.brown.edu

120 ms

hcri.brown.edu

21 ms

78 ms

98 ms

86 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 38% of them (15 requests) were addressed to the original Hcri.brown.edu, 18% (7 requests) were made to S0.wp.com and 13% (5 requests) were made to S2.wp.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Hcri.brown.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.2 kB (2%)

Content Size

3.8 MB

After Optimization

3.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hcri.brown.edu main page is 3.8 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. 40% of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 83.1 kB

  • Original 105.1 kB
  • After minification 102.4 kB
  • After compression 22.0 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 83.1 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 491 B

  • Original 3.6 MB
  • After minification 3.6 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 236 B

  • Original 29.6 kB
  • After minification 29.6 kB
  • After compression 29.3 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

-2%

Potential reduce by 324 B

  • Original 15.9 kB
  • After minification 15.9 kB
  • After compression 15.6 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 15 (43%)

Requests Now

35

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 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 6 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hcri.brown.edu

hcri.brown.edu

120 ms

hcri.brown.edu

hcri.brown.edu

21 ms

78 ms

98 ms

86 ms

99 ms

102 ms

css

css

114 ms

style.css

style.css

92 ms

global.css

global.css

106 ms

101 ms

hovercards.min.js

hovercards.min.js

106 ms

wpgroho.js

wpgroho.js

105 ms

100 ms

99 ms

w.js

w.js

105 ms

print.css

print.css

7 ms

hcrilogotr.png

hcrilogotr.png

204 ms

0ddb2b410aceb1e6c102efa7f0f176f3108376d7a713926882453c4679c77784

0ddb2b410aceb1e6c102efa7f0f176f3108376d7a713926882453c4679c77784

162 ms

g.gif

g.gif

44 ms

remote-login.php

remote-login.php

80 ms

droneutra1.jpg

droneutra1.jpg

132 ms

hcri.png

hcri.png

1060 ms

littman-tedx.jpg

littman-tedx.jpg

377 ms

screen-shot-2018-02-26-at-6-31-42-pm.png

screen-shot-2018-02-26-at-6-31-42-pm.png

344 ms

ros-reality.png

ros-reality.png

645 ms

cat21.png

cat21.png

906 ms

jerry-the-bear-background_2560-51634cc4.jpg

jerry-the-bear-background_2560-51634cc4.jpg

289 ms

cropped-20160409_038.jpg

cropped-20160409_038.jpg

436 ms

screen-shot-2020-08-07-at-4.27.05-pm.png

screen-shot-2020-08-07-at-4.27.05-pm.png

697 ms

screen-shot-2020-08-07-at-4.24.35-pm.png

screen-shot-2020-08-07-at-4.24.35-pm.png

651 ms

screen-shot-2020-08-07-at-4.21.13-pm.png

screen-shot-2020-08-07-at-4.21.13-pm.png

929 ms

451.png

451.png

653 ms

g.gif

g.gif

35 ms

g.gif

g.gif

35 ms

font

font

131 ms

font

font

9 ms

actionbar.css

actionbar.css

2 ms

actionbar.js

actionbar.js

14 ms

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

83

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

High

Browser errors were logged to the console

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

hcri.brown.edu

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: