Tools & Wizards About Us
vpal.harvard.edu screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

vpal.harvard.edu

Office of the Vice Provost for Advances in Learning

Page Load Speed

1.4 sec in total

First Response

109 ms

Resources Loaded

834 ms

Page Rendered

458 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 109 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

vpal.harvard.edu performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

27/100

25%

SI (Speed Index)

Value4.6 s

71/100

10%

TBT (Total Blocking Time)

Value1,210 ms

20/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value8.5 s

38/100

10%

Network Requests Diagram

vpal.harvard.edu

109 ms

js

62 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

79 ms

css_YnlUIvHP13qgpYEqubzE8JyDwlSxUnVibfnVkSoSDb0.css

112 ms

css_XA5azmeyX1NsefSoLWbr8Z-xg8MhszoHmYpkcu5IQZI.css

114 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 65% of them (32 requests) were addressed to the original Vpal.harvard.edu, 8% (4 requests) were made to Fonts.googleapis.com and 8% (4 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (426 ms) belongs to the original domain Vpal.harvard.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 630.9 kB (7%)

Content Size

8.5 MB

After Optimization

7.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vpal.harvard.edu main page is 8.5 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. 60% of websites need less resources to load. Images take 8.0 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 115.9 kB

  • Original 143.0 kB
  • After minification 141.5 kB
  • After compression 27.1 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 115.9 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 304.6 kB

  • Original 8.0 MB
  • After minification 7.7 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

-65%

Potential reduce by 196.0 kB

  • Original 299.3 kB
  • After minification 255.5 kB
  • After compression 103.3 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 196.0 kB or 65% of the original size.

CSS Optimization

-24%

Potential reduce by 14.4 kB

  • Original 58.8 kB
  • After minification 55.8 kB
  • After compression 44.5 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 needs all CSS files to be minified and compressed as it can save up to 14.4 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (60%)

Requests Now

43

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 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 16 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vpal.harvard.edu

vpal.harvard.edu

109 ms

js

js

62 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

79 ms

css_YnlUIvHP13qgpYEqubzE8JyDwlSxUnVibfnVkSoSDb0.css

css_YnlUIvHP13qgpYEqubzE8JyDwlSxUnVibfnVkSoSDb0.css

112 ms

css_XA5azmeyX1NsefSoLWbr8Z-xg8MhszoHmYpkcu5IQZI.css

css_XA5azmeyX1NsefSoLWbr8Z-xg8MhszoHmYpkcu5IQZI.css

114 ms

css_Qmrq3IXnkVW7_US56j1FLt4hSsh51KyfJPwR8bU_jYo.css

css_Qmrq3IXnkVW7_US56j1FLt4hSsh51KyfJPwR8bU_jYo.css

80 ms

css_uaIDKcYMUK5osSQXuirpr3ZleXtnnpBN-eiECm7N0M0.css

css_uaIDKcYMUK5osSQXuirpr3ZleXtnnpBN-eiECm7N0M0.css

137 ms

flexslider5a.css

flexslider5a.css

93 ms

slider5c.css

slider5c.css

134 ms

js

js

86 ms

jquery.min.js

jquery.min.js

35 ms

respond.min.js

respond.min.js

123 ms

js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

js_s7yA-hwRxnKty__ED6DuqmTMKG39xvpRyrtyCrbWH4M.js

181 ms

js_jF6uxbohhL4_Fcv1HF_x4nOLPXOHbpe4-Ay_GR-XpHk.js

js_jF6uxbohhL4_Fcv1HF_x4nOLPXOHbpe4-Ay_GR-XpHk.js

183 ms

js_IR_QH_C78QTRQTSY0G7T-5lbqVDcwSR58lP8L_-T5n0.js

js_IR_QH_C78QTRQTSY0G7T-5lbqVDcwSR58lP8L_-T5n0.js

183 ms

MathJax.js

MathJax.js

45 ms

js_F8DmRRGDcNkbEbKVNdqAdEvIfMktMtiZcgg9QV7AZkw.js

js_F8DmRRGDcNkbEbKVNdqAdEvIfMktMtiZcgg9QV7AZkw.js

198 ms

js_TF0j_xSQPq-6QP1Il7NFw8ppuW60PTAxM0BwHtQXBsA.js

js_TF0j_xSQPq-6QP1Il7NFw8ppuW60PTAxM0BwHtQXBsA.js

199 ms

js_qluyoBMkmyevXrrhnKB_2ie6cLJ7DL5g_0nHm6hyXwA.js

js_qluyoBMkmyevXrrhnKB_2ie6cLJ7DL5g_0nHm6hyXwA.js

203 ms

classie.js

classie.js

314 ms

pha_theme1.js

pha_theme1.js

313 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

426 ms

css

css

30 ms

css

css

18 ms

GBUU5-S9S78-P7UW2-BSS9F-LR483

GBUU5-S9S78-P7UW2-BSS9F-LR483

34 ms

css2

css2

25 ms

css2

css2

58 ms

harvard-logo.png

harvard-logo.png

153 ms

logo_1.png

logo_1.png

153 ms

hwpi_basesprite.png

hwpi_basesprite.png

152 ms

howard_dinh_1.jpeg

howard_dinh_1.jpeg

238 ms

2024_conference_poster.png

2024_conference_poster.png

240 ms

remote_header_v2.png

remote_header_v2.png

382 ms

dsp_vpal.jpg

dsp_vpal.jpg

207 ms

footer-top-gradiant.png

footer-top-gradiant.png

201 ms

vpal_web_1.png

vpal_web_1.png

295 ms

config.json

config.json

204 ms

arrow_w.png

arrow_w.png

179 ms

hotjar-1378037.js

hotjar-1378037.js

169 ms

TeX-MML-AM_CHTML.js

TeX-MML-AM_CHTML.js

70 ms

sprite.png

sprite.png

216 ms

home-hero-lg-transparent.png

home-hero-lg-transparent.png

230 ms

quote-imag-crop.jpeg

quote-imag-crop.jpeg

293 ms

arrow_crimson.png

arrow_crimson.png

311 ms

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438weI_ADOxEPjGYgw.ttf

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438weI_ADOxEPjGYgw.ttf

83 ms

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wSo_ADOxEPjGYgw.ttf

cY9qfjOCX1hbuyalUrK49dLac06G1ZGsZBtoBCzBDXXD9JVF438wSo_ADOxEPjGYgw.ttf

115 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk4aE-_F87jxeebC.ttf

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk4aE-_F87jxeebC.ttf

160 ms

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk59E-_F87jxeebC.ttf

xn7_YHE41ni1AdIRqAuZuw1Bx9mbZk59E-_F87jxeebC.ttf

161 ms

css_dW-aNNrctRhQNc-KECjtQd0PxuW-h19IEum-TX2MeEk.css

css_dW-aNNrctRhQNc-KECjtQd0PxuW-h19IEum-TX2MeEk.css

61 ms

Accessibility Review

vpal.harvard.edu accessibility score

96

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

100

Search Engine Optimization Advices

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: