Tools & Wizards About Us
carrcenter.hks.harvard.edu screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

carrcenter.hks.harvard.edu

The Carr Center for Human Rights - Harvard Kennedy School

Page Load Speed

2.8 sec in total

First Response

126 ms

Resources Loaded

1.3 sec

Page Rendered

1.3 sec

carrcenter.hks.harvard.edu screenshot

About Website

Visit carrcenter.hks.harvard.edu now to see the best up-to-date Carr Center Hks Harvard content for United States and also check out these interesting facts you probably never knew about carrcenter.hks.harvard.edu

Since its founding in 1999 the Carr Center has developed a unique focus of expertise on the most dangerous and intractable human rights challenges of the new century, including genocide, mass atrocity...

Visit carrcenter.hks.harvard.edu

Key Findings

We analyzed Carrcenter.hks.harvard.edu page load time and found that the first response time was 126 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

carrcenter.hks.harvard.edu performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.2 s

0/100

10%

LCP (Largest Contentful Paint)

Value33.4 s

0/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value4,200 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value23.7 s

1/100

10%

Network Requests Diagram

carr

126 ms

fonts.css

25 ms

css_sctIco8QwtSDXRANvcMwwOagLGJoqyzyWhrglSu0QI0.css

92 ms

css_QjMSeNstwkbWJbRjX-5OlbksT_jOpF5Ymclbk1mhLK8.css

34 ms

person_list_mobile_global_temp_fix-1c097b9c736419a8a89834b9f58d1009.css

93 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Carrcenter.hks.harvard.edu, 22% (14 requests) were made to and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (511 ms) relates to the external source Static.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (15%)

Content Size

9.1 MB

After Optimization

7.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Carrcenter.hks.harvard.edu main page is 9.1 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. Only a small number of websites need less resources to load. Images take 7.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 62.8 kB

  • Original 74.2 kB
  • After minification 62.9 kB
  • After compression 11.4 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 11.3 kB, which is 15% 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 62.8 kB or 85% of the original size.

Image Optimization

-13%

Potential reduce by 992.5 kB

  • Original 7.5 MB
  • After minification 6.5 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. Obviously, Carr Center Hks Harvard needs image optimization as it can save up to 992.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-44%

Potential reduce by 261.2 kB

  • Original 596.2 kB
  • After minification 596.2 kB
  • After compression 335.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 261.2 kB or 44% of the original size.

CSS Optimization

-7%

Potential reduce by 62.1 kB

  • Original 923.2 kB
  • After minification 923.2 kB
  • After compression 861.2 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. Carrcenter.hks.harvard.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (33%)

Requests Now

45

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carr Center Hks Harvard. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

carr

carr

126 ms

fonts.css

fonts.css

25 ms

css_sctIco8QwtSDXRANvcMwwOagLGJoqyzyWhrglSu0QI0.css

css_sctIco8QwtSDXRANvcMwwOagLGJoqyzyWhrglSu0QI0.css

92 ms

css_QjMSeNstwkbWJbRjX-5OlbksT_jOpF5Ymclbk1mhLK8.css

css_QjMSeNstwkbWJbRjX-5OlbksT_jOpF5Ymclbk1mhLK8.css

34 ms

person_list_mobile_global_temp_fix-1c097b9c736419a8a89834b9f58d1009.css

person_list_mobile_global_temp_fix-1c097b9c736419a8a89834b9f58d1009.css

93 ms

js_J_UzXdV-vttG8zBDL1AufxCsd2LS1dcxEvJJTrQcsqA.js

js_J_UzXdV-vttG8zBDL1AufxCsd2LS1dcxEvJJTrQcsqA.js

26 ms

gtm.js

gtm.js

33 ms

gtag.js

gtag.js

23 ms

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90 ms

js_Yq9zZA_GqZk7inxAPfOGocUAqSWEN2sDUn_yiDZ6sxo.js

js_Yq9zZA_GqZk7inxAPfOGocUAqSWEN2sDUn_yiDZ6sxo.js

93 ms

hks_site_search.js

hks_site_search.js

94 ms

js_sZrwulLFfeuElB7yvdakTWqTmTwzIa0ZAn_U4k_DX4g.js

js_sZrwulLFfeuElB7yvdakTWqTmTwzIa0ZAn_U4k_DX4g.js

93 ms

3C36DE7A42CA6ED8C.css

3C36DE7A42CA6ED8C.css

138 ms

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208 ms

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121 ms

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166 ms

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128 ms

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163 ms

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173 ms

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171 ms

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174 ms

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175 ms

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218 ms

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219 ms

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220 ms

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220 ms

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365 ms

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495 ms

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507 ms

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507 ms

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499 ms

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70 ms

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69 ms

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70 ms

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22 ms

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25 ms

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24 ms

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24 ms

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24 ms

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23 ms

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23 ms

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22 ms

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22 ms

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22 ms

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22 ms

icomoon.ttf

icomoon.ttf

402 ms

www-player.css

www-player.css

7 ms

www-embed-player.js

www-embed-player.js

26 ms

base.js

base.js

53 ms

ad_status.js

ad_status.js

511 ms

Uo_dhVY9o5gWds10f-QE3r7w2DYPAY7ZjhqsbDUx1y0.js

Uo_dhVY9o5gWds10f-QE3r7w2DYPAY7ZjhqsbDUx1y0.js

474 ms

embed.js

embed.js

390 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

40 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

41 ms

id

id

20 ms

Accessibility Review

carrcenter.hks.harvard.edu accessibility score

92

Accessibility Issues

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

button, link, and menuitem elements do not have accessible names.

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

carrcenter.hks.harvard.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

High

Missing source maps for large first-party JavaScript

SEO Factors

carrcenter.hks.harvard.edu SEO score

85

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

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 Carrcenter.hks.harvard.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 Carrcenter.hks.harvard.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

carrcenter.hks.harvard.edu

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