Tools & Wizards About Us
dbei.med.upenn.edu screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

dbei.med.upenn.edu

DBEI: Department of Biostatistics, Epidemiology and Informatics

Page Load Speed

1.5 sec in total

First Response

110 ms

Resources Loaded

1.1 sec

Page Rendered

340 ms

dbei.med.upenn.edu screenshot

About Website

Visit dbei.med.upenn.edu now to see the best up-to-date DBEI Med Upenn content for United States and also check out these interesting facts you probably never knew about dbei.med.upenn.edu

We advance population-health science—preserving health, managing chronic disease and treating acute illness—through synergies in biostatistics, epidemiology and informatics.

Visit dbei.med.upenn.edu

Key Findings

We analyzed Dbei.med.upenn.edu page load time and found that the first response time was 110 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

dbei.med.upenn.edu performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.0 s

0/100

25%

SI (Speed Index)

Value9.3 s

12/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.335

34/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

www.dbei.med.upenn.edu

110 ms

system.base.css

22 ms

system.menus.css

22 ms

system.messages.css

22 ms

system.theme.css

21 ms

Our browser made a total of 105 requests to load all elements on the main page. We found that 78% of them (82 requests) were addressed to the original Dbei.med.upenn.edu, 6% (6 requests) were made to Fonts.gstatic.com and 5% (5 requests) were made to Use.fontawesome.com. The less responsive or slowest element that took the longest time to load (169 ms) belongs to the original domain Dbei.med.upenn.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (33%)

Content Size

3.1 MB

After Optimization

2.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dbei.med.upenn.edu main page is 3.1 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. 60% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 63.3 kB

  • Original 81.2 kB
  • After minification 79.0 kB
  • After compression 17.9 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 63.3 kB or 78% of the original size.

Image Optimization

-13%

Potential reduce by 287.4 kB

  • Original 2.2 MB
  • After minification 1.9 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, DBEI Med Upenn needs image optimization as it can save up to 287.4 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

-78%

Potential reduce by 406.4 kB

  • Original 524.4 kB
  • After minification 322.5 kB
  • After compression 118.0 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 406.4 kB or 78% of the original size.

CSS Optimization

-84%

Potential reduce by 255.2 kB

  • Original 304.6 kB
  • After minification 222.6 kB
  • After compression 49.4 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. Dbei.med.upenn.edu needs all CSS files to be minified and compressed as it can save up to 255.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 84 (88%)

Requests Now

96

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DBEI Med Upenn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 55 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.dbei.med.upenn.edu

www.dbei.med.upenn.edu

110 ms

system.base.css

system.base.css

22 ms

system.menus.css

system.menus.css

22 ms

system.messages.css

system.messages.css

22 ms

system.theme.css

system.theme.css

21 ms

comment_notify.css

comment_notify.css

21 ms

adaptive-image.css

adaptive-image.css

24 ms

aggregator.css

aggregator.css

29 ms

calendar_multiday.css

calendar_multiday.css

36 ms

comment.css

comment.css

29 ms

date.css

date.css

30 ms

datepicker.1.7.css

datepicker.1.7.css

28 ms

date_repeat_field.css

date_repeat_field.css

31 ms

field.css

field.css

36 ms

logintoboggan.css

logintoboggan.css

37 ms

node.css

node.css

37 ms

search.css

search.css

38 ms

user.css

user.css

39 ms

date_repeat_entity.css

date_repeat_entity.css

43 ms

extlink.css

extlink.css

43 ms

views.css

views.css

44 ms

ckeditor.css

ckeditor.css

44 ms

ctools.css

ctools.css

44 ms

lightbox.css

lightbox.css

45 ms

views_slideshow.css

views_slideshow.css

49 ms

superfish.css

superfish.css

50 ms

superfish-smallscreen.css

superfish-smallscreen.css

51 ms

default.css

default.css

51 ms

alpha-reset.css

alpha-reset.css

51 ms

alpha-mobile.css

alpha-mobile.css

52 ms

alpha-alpha.css

alpha-alpha.css

56 ms

formalize.css

formalize.css

56 ms

omega-text.css

omega-text.css

58 ms

omega-branding.css

omega-branding.css

58 ms

omega-menu.css

omega-menu.css

59 ms

omega-forms.css

omega-forms.css

59 ms

css

css

39 ms

css

css

56 ms

b6b8cc5500.js

b6b8cc5500.js

107 ms

dbei.css

dbei.css

8 ms

omega-visuals.css

omega-visuals.css

48 ms

font.css

font.css

47 ms

stylesheet.css

stylesheet.css

48 ms

zocial.css

zocial.css

54 ms

global.css

global.css

63 ms

screen.css

screen.css

54 ms

colors.css

colors.css

50 ms

alpha-default-narrow-12.css

alpha-default-narrow-12.css

47 ms

alpha-default-narrow-24.css

alpha-default-narrow-24.css

50 ms

alpha-default-normal-12.css

alpha-default-normal-12.css

54 ms

slick.css

slick.css

16 ms

alpha-default-normal-24.css

alpha-default-normal-24.css

53 ms

alpha-default-wide-12.css

alpha-default-wide-12.css

53 ms

slick.min.js

slick.min.js

16 ms

alpha-default-wide-24.css

alpha-default-wide-24.css

49 ms

jquery.js

jquery.js

82 ms

jquery-extend-3.4.0.js

jquery-extend-3.4.0.js

55 ms

jquery-html-prefilter-3.5.0-backport.js

jquery-html-prefilter-3.5.0-backport.js

53 ms

jquery.once.js

jquery.once.js

52 ms

drupal.js

drupal.js

58 ms

jquery.fitvids.js

jquery.fitvids.js

49 ms

admin_devel.js

admin_devel.js

54 ms

extlink.js

extlink.js

57 ms

lightbox.js

lightbox.js

62 ms

views_slideshow.js

views_slideshow.js

55 ms

googleanalytics.js

googleanalytics.js

58 ms

cceb.js

cceb.js

56 ms

jcaption.js

jcaption.js

58 ms

jquery.smooth-scroll.js

jquery.smooth-scroll.js

57 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

59 ms

sftouchscreen.js

sftouchscreen.js

60 ms

sfsmallscreen.js

sfsmallscreen.js

61 ms

supposition.js

supposition.js

58 ms

jquery.bgiframe.min.js

jquery.bgiframe.min.js

58 ms

superfish.js

superfish.js

59 ms

superfish.js

superfish.js

59 ms

jquery.formalize.js

jquery.formalize.js

61 ms

omega-mediaqueries.js

omega-mediaqueries.js

62 ms

jquery.cookie.js

jquery.cookie.js

58 ms

funcs.js

funcs.js

60 ms

sxg7rrm.css

sxg7rrm.css

114 ms

p.css

p.css

24 ms

analytics.js

analytics.js

127 ms

webfontloader.js

webfontloader.js

123 ms

analytics.js

analytics.js

107 ms

logo-450.png

logo-450.png

105 ms

cceb_penn_medicine_2.png

cceb_penn_medicine_2.png

107 ms

dbei_hero_new1.png

dbei_hero_new1.png

139 ms

BigData2024_General-711x400.png

BigData2024_General-711x400.png

169 ms

csv.png

csv.png

106 ms

Epidemiology.png

Epidemiology.png

144 ms

footer.jpg

footer.jpg

113 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

38 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

45 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

56 ms

S6u9w4BMUTPHh50XSwiPHA.ttf

S6u9w4BMUTPHh50XSwiPHA.ttf

52 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

57 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf

56 ms

collect

collect

23 ms

collect

collect

9 ms

b6b8cc5500.css

b6b8cc5500.css

25 ms

js

js

140 ms

font-awesome-css.min.css

font-awesome-css.min.css

38 ms

extlink_s.png

extlink_s.png

36 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

18 ms

Accessibility Review

dbei.med.upenn.edu accessibility score

90

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

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

dbei.med.upenn.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

dbei.med.upenn.edu SEO score

86

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

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 Dbei.med.upenn.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 Dbei.med.upenn.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

dbei.med.upenn.edu

Open Graph data is detected on the main page of DBEI Med Upenn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: