Tools & Wizards About Us
vpal.harvard.edu screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    55% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 93% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

vpal.harvard.edu

Office of the Vice Provost for Advances in Learning

Page Load Speed

2.3 sec in total

First Response

38 ms

Resources Loaded

1.7 sec

Page Rendered

567 ms

vpal.harvard.edu screenshot

About Website

Welcome to vpal.harvard.edu homepage info - get ready to check Vpal Harvard best content for United States right away, or after learning these important things about vpal.harvard.edu

Harvard VPAL creates online courses, advances classroom innovation, and oversees degree program approval.

Visit vpal.harvard.edu

Key Findings

We analyzed Vpal.harvard.edu page load time and found that the first response time was 38 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

vpal.harvard.edu performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value6,740 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.077

95/100

15%

TTI (Time to Interactive)

Value21.1 s

1/100

10%

Network Requests Diagram

vpal.harvard.edu

38 ms

vpal.harvard.edu

415 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

36 ms

css_1kR8T1_c-l5pBT6ZwbDT7BFda-4fyqW9Jjum29_2IY8.css

40 ms

css_YnlUIvHP13qgpYEqubzE8JyDwlSxUnVibfnVkSoSDb0.css

52 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 30% of them (19 requests) were addressed to the original Vpal.harvard.edu, 28% (18 requests) were made to Projects.iq.harvard.edu and 9% (6 requests) were made to Static.projects.iq.harvard.edu. The less responsive or slowest element that took the longest time to load (415 ms) belongs to the original domain Vpal.harvard.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 502.5 kB (13%)

Content Size

3.9 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vpal.harvard.edu main page is 3.9 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. 85% 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 3.2 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 117.6 kB

  • Original 144.5 kB
  • After minification 143.0 kB
  • After compression 26.9 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 117.6 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 173.7 kB

  • Original 3.2 MB
  • After minification 3.1 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. Vpal Harvard images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 209.3 kB

  • Original 429.6 kB
  • After minification 429.0 kB
  • After compression 220.3 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 209.3 kB or 49% of the original size.

CSS Optimization

-3%

Potential reduce by 1.9 kB

  • Original 59.1 kB
  • After minification 59.1 kB
  • After compression 57.2 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. Vpal.harvard.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (62%)

Requests Now

50

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vpal 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 19 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vpal.harvard.edu

vpal.harvard.edu

38 ms

vpal.harvard.edu

vpal.harvard.edu

415 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

36 ms

css_1kR8T1_c-l5pBT6ZwbDT7BFda-4fyqW9Jjum29_2IY8.css

css_1kR8T1_c-l5pBT6ZwbDT7BFda-4fyqW9Jjum29_2IY8.css

40 ms

css_YnlUIvHP13qgpYEqubzE8JyDwlSxUnVibfnVkSoSDb0.css

css_YnlUIvHP13qgpYEqubzE8JyDwlSxUnVibfnVkSoSDb0.css

52 ms

css_N2Ca0MmKXVmQ_khD1lt8Qea31D4zQsJPtQ_hzytYVUw.css

css_N2Ca0MmKXVmQ_khD1lt8Qea31D4zQsJPtQ_hzytYVUw.css

63 ms

css_vprtFTrWyg23GbY50_zJZHWGYMNfS8vsrRS26i4-ISk.css

css_vprtFTrWyg23GbY50_zJZHWGYMNfS8vsrRS26i4-ISk.css

94 ms

css_SH2Lx3Qprh0GZo_9xRp85U9NsWfkSXn_Bi-rJoMY1sw.css

css_SH2Lx3Qprh0GZo_9xRp85U9NsWfkSXn_Bi-rJoMY1sw.css

70 ms

css_uaIDKcYMUK5osSQXuirpr3ZleXtnnpBN-eiECm7N0M0.css

css_uaIDKcYMUK5osSQXuirpr3ZleXtnnpBN-eiECm7N0M0.css

106 ms

flexslider5a.css

flexslider5a.css

109 ms

slider5c.css

slider5c.css

107 ms

logo_1.png

logo_1.png

121 ms

harvard-logo.png

harvard-logo.png

98 ms

css2

css2

352 ms

css2

css2

352 ms

jquery.min.js

jquery.min.js

99 ms

respond.min.js

respond.min.js

101 ms

angular.js

angular.js

402 ms

angular-sanitize.js

angular-sanitize.js

270 ms

angular-cookies.js

angular-cookies.js

269 ms

ngStorage.min.js

ngStorage.min.js

134 ms

MathJax.js

MathJax.js

263 ms

js_TF0j_xSQPq-6QP1Il7NFw8ppuW60PTAxM0BwHtQXBsA.js

js_TF0j_xSQPq-6QP1Il7NFw8ppuW60PTAxM0BwHtQXBsA.js

268 ms

classie.js

classie.js

281 ms

dsp_vpal.jpg

dsp_vpal.jpg

338 ms

vpal_web_1.png

vpal_web_1.png

387 ms

css

css

323 ms

css

css

323 ms

css_dW-aNNrctRhQNc-KECjtQd0PxuW-h19IEum-TX2MeEk.css

css_dW-aNNrctRhQNc-KECjtQd0PxuW-h19IEum-TX2MeEk.css

4 ms

logo_1.png

logo_1.png

296 ms

respond.min.js

respond.min.js

293 ms

js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

258 ms

js_0NmK99JLIjRqsIlFqFNNbx8Ujgexpza5nVIcHEw_ZTg.js

js_0NmK99JLIjRqsIlFqFNNbx8Ujgexpza5nVIcHEw_ZTg.js

183 ms

js_F8DmRRGDcNkbEbKVNdqAdEvIfMktMtiZcgg9QV7AZkw.js

js_F8DmRRGDcNkbEbKVNdqAdEvIfMktMtiZcgg9QV7AZkw.js

136 ms

js_Y1FBKf83E3J9MQtFPjbc5aPABrOfDhLHCFnDQJdtDSk.js

js_Y1FBKf83E3J9MQtFPjbc5aPABrOfDhLHCFnDQJdtDSk.js

134 ms

js_qluyoBMkmyevXrrhnKB_2ie6cLJ7DL5g_0nHm6hyXwA.js

js_qluyoBMkmyevXrrhnKB_2ie6cLJ7DL5g_0nHm6hyXwA.js

131 ms

js_TF0j_xSQPq-6QP1Il7NFw8ppuW60PTAxM0BwHtQXBsA.js

js_TF0j_xSQPq-6QP1Il7NFw8ppuW60PTAxM0BwHtQXBsA.js

127 ms

classie.js

classie.js

114 ms

howard_dinh_1.jpeg

howard_dinh_1.jpeg

199 ms

pha_theme1.js

pha_theme1.js

326 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

112 ms

final_cover_page_-_ftl.png

final_cover_page_-_ftl.png

192 ms

teachremotelytext.jpeg

teachremotelytext.jpeg

159 ms

dsp_vpal.jpg

dsp_vpal.jpg

146 ms

vpal_web_1.png

vpal_web_1.png

216 ms

sprite.png

sprite.png

159 ms

home-hero-lg-transparent.png

home-hero-lg-transparent.png

130 ms

quote-imag-crop.jpeg

quote-imag-crop.jpeg

136 ms

arrow_crimson.png

arrow_crimson.png

127 ms

arrow_d.png

arrow_d.png

127 ms

arrow_w.png

arrow_w.png

125 ms

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438weI_ADA.ttf

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438weI_ADA.ttf

117 ms

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wSo_ADA.ttf

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wSo_ADA.ttf

284 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk4aE-_F.ttf

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk4aE-_F.ttf

319 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk59E-_F.ttf

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk59E-_F.ttf

320 ms

hotjar-1378037.js

hotjar-1378037.js

282 ms

scholarbase-sprite.png

scholarbase-sprite.png

81 ms

TeX-MML-AM_CHTML.js

TeX-MML-AM_CHTML.js

168 ms

ga.js

ga.js

327 ms

token

token

207 ms

modules.f0cd1ed70b545da08b60.js

modules.f0cd1ed70b545da08b60.js

244 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

124 ms

__utm.gif

__utm.gif

69 ms

__utm.gif

__utm.gif

63 ms

Accessibility Review

vpal.harvard.edu accessibility score

97

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

vpal.harvard.edu best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

vpal.harvard.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 Vpal.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 Vpal.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

vpal.harvard.edu

Open Graph description is not detected on the main page of Vpal 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: