Tools & Wizards About Us
hutchinscenter.fas.harvard.edu screenshot

Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

hutchinscenter.fas.harvard.edu

The Hutchins Center for African & African American Research

Page Load Speed

1.7 sec in total

First Response

62 ms

Resources Loaded

878 ms

Page Rendered

808 ms

hutchinscenter.fas.harvard.edu screenshot

About Website

Click here to check amazing Hutchins Center Fas Harvard content for United States. Otherwise, check out these important facts you probably never knew about hutchinscenter.fas.harvard.edu

The Hutchins Center for African & African American Research supports research on the history and culture of people of African descent the world over and provides a forum for collaboration and the ongo...

Visit hutchinscenter.fas.harvard.edu

Key Findings

We analyzed Hutchinscenter.fas.harvard.edu page load time and found that the first response time was 62 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

hutchinscenter.fas.harvard.edu performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.618

10/100

15%

TTI (Time to Interactive)

Value8.0 s

43/100

10%

Network Requests Diagram

hutchinscenter.fas.harvard.edu

62 ms

js

71 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

151 ms

css_It1s6A8aP62etHWwu5vdiJfrBJ2NzD9-Vm2UNwOvfrE.css

20 ms

css_xZ6KnVA9kqIxNVZZ1PBaYBRugIZdQdHoSuZfmjOhjjc.css

35 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 66% of them (53 requests) were addressed to the original Hutchinscenter.fas.harvard.edu, 10% (8 requests) were made to Fonts.gstatic.com and 9% (7 requests) were made to Hwpi.harvard.edu. The less responsive or slowest element that took the longest time to load (364 ms) belongs to the original domain Hutchinscenter.fas.harvard.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 582.0 kB (9%)

Content Size

6.5 MB

After Optimization

5.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hutchinscenter.fas.harvard.edu main page is 6.5 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. 80% 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 6.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 107.9 kB

  • Original 132.8 kB
  • After minification 130.3 kB
  • After compression 24.9 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 107.9 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 277.8 kB

  • Original 6.1 MB
  • After minification 5.8 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. Hutchins Center Fas Harvard images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 43.0 kB

  • Original 102.0 kB
  • After minification 90.5 kB
  • After compression 59.0 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 43.0 kB or 42% of the original size.

CSS Optimization

-78%

Potential reduce by 153.2 kB

  • Original 195.8 kB
  • After minification 190.0 kB
  • After compression 42.6 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. Hutchinscenter.fas.harvard.edu needs all CSS files to be minified and compressed as it can save up to 153.2 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (32%)

Requests Now

71

After Optimization

48

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hutchins Center Fas 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 13 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hutchinscenter.fas.harvard.edu

hutchinscenter.fas.harvard.edu

62 ms

js

js

71 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

151 ms

css_It1s6A8aP62etHWwu5vdiJfrBJ2NzD9-Vm2UNwOvfrE.css

css_It1s6A8aP62etHWwu5vdiJfrBJ2NzD9-Vm2UNwOvfrE.css

20 ms

css_xZ6KnVA9kqIxNVZZ1PBaYBRugIZdQdHoSuZfmjOhjjc.css

css_xZ6KnVA9kqIxNVZZ1PBaYBRugIZdQdHoSuZfmjOhjjc.css

35 ms

css_PTzyfG3PhWWBD9-2EV_Z-RqqVjL4QPaBY6BQzuEvndE.css

css_PTzyfG3PhWWBD9-2EV_Z-RqqVjL4QPaBY6BQzuEvndE.css

28 ms

css_uaIDKcYMUK5osSQXuirpr3ZleXtnnpBN-eiECm7N0M0.css

css_uaIDKcYMUK5osSQXuirpr3ZleXtnnpBN-eiECm7N0M0.css

39 ms

white.css

white.css

27 ms

responsive.white.css

responsive.white.css

40 ms

js

js

57 ms

css

css

39 ms

css

css

57 ms

wow.min.js

wow.min.js

346 ms

respond.min.js

respond.min.js

34 ms

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js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

35 ms

js_HnH6nipN3RHKRJKMNbQHFdKPPrHc1b2ct38QhTIYvVY.js

js_HnH6nipN3RHKRJKMNbQHFdKPPrHc1b2ct38QhTIYvVY.js

34 ms

js_otaDgI6X9qs_TZpSfGeRC805JCdKpSrl2gwWLs_jt9E.js

js_otaDgI6X9qs_TZpSfGeRC805JCdKpSrl2gwWLs_jt9E.js

43 ms

MathJax.js

MathJax.js

34 ms

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js_o-Wr9nbyYkvdQvXBK9EkOukrjjLaOGLWORj1NilbBnU.js

42 ms

js_TF0j_xSQPq-6QP1Il7NFw8ppuW60PTAxM0BwHtQXBsA.js

js_TF0j_xSQPq-6QP1Il7NFw8ppuW60PTAxM0BwHtQXBsA.js

43 ms

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46 ms

css

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29 ms

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GBUU5-S9S78-P7UW2-BSS9F-LR483

139 ms

webfont.js

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40 ms

harvard-logo.png

harvard-logo.png

146 ms

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146 ms

hwpi_basesprite.png

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121 ms

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28 ms

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146 ms

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121 ms

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146 ms

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173 ms

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145 ms

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236 ms

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173 ms

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262 ms

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184 ms

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184 ms

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263 ms

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297 ms

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364 ms

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298 ms

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298 ms

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138 ms

css

css

116 ms

nuFvD-vYSZviVYUb_rj3ij__anPXJzDwcbmjWBN2PKdFvXDXbtU.woff

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114 ms

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114 ms

nuFvD-vYSZviVYUb_rj3ij__anPXJzDwcbmjWBN2PKfsunDXbtU.woff

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115 ms

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115 ms

config.json

config.json

217 ms

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264 ms

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244 ms

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244 ms

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177 ms

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73 ms

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21 ms

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16 ms

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11 ms

Accessibility Review

hutchinscenter.fas.harvard.edu accessibility score

88

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

High

Some elements have a [tabindex] value greater than 0

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

hutchinscenter.fas.harvard.edu best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

hutchinscenter.fas.harvard.edu SEO score

85

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

Links do not have descriptive text

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

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 Hutchinscenter.fas.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 Hutchinscenter.fas.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

hutchinscenter.fas.harvard.edu

Open Graph description is not detected on the main page of Hutchins Center Fas Harvard. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: