Tools & Wizards About Us
jhsph.edu screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 78

    SEO

    Google-friendlier than
    39% of websites

jhsph.edu

Johns Hopkins Bloomberg School of Public Health

Page Load Speed

2.2 sec in total

First Response

45 ms

Resources Loaded

1.3 sec

Page Rendered

831 ms

jhsph.edu screenshot

About Website

Click here to check amazing Jhsph content for United States. Otherwise, check out these important facts you probably never knew about jhsph.edu

Protecting Health, Saving Lives—Millions at a Time

Visit jhsph.edu

Key Findings

We analyzed Jhsph.edu page load time and found that the first response time was 45 ms and then it took 2.1 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

jhsph.edu performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value6.6 s

37/100

10%

TBT (Total Blocking Time)

Value2,490 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.444

21/100

15%

TTI (Time to Interactive)

Value21.0 s

1/100

10%

Network Requests Diagram

jhsph.edu

45 ms

publichealth.jhu.edu

31 ms

google_tag.script.js

9 ms

css_WGG_ryLqG1-Od7d7fzEWcCQJfwMIu1sD9wNbp8HvaQ0.css

8 ms

css_wnlLJfc68unbV9UOq2wFkAiHaevZlGpPXCt8i_Y9YV8.css

11 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jhsph.edu, 62% (39 requests) were made to Publichealth.jhu.edu and 8% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (492 ms) relates to the external source Px.ads.linkedin.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.4 kB (10%)

Content Size

1.7 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jhsph.edu main page is 1.7 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. 75% 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 76.5 kB

  • Original 103.3 kB
  • After minification 94.6 kB
  • After compression 26.7 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 76.5 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 87.1 kB

  • Original 1.2 MB
  • After minification 1.1 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. Jhsph images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.6 kB

  • Original 252.0 kB
  • After minification 252.0 kB
  • After compression 249.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 218 B

  • Original 128.8 kB
  • After minification 128.8 kB
  • After compression 128.6 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. Jhsph.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (55%)

Requests Now

51

After Optimization

23

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jhsph. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jhsph.edu

jhsph.edu

45 ms

publichealth.jhu.edu

publichealth.jhu.edu

31 ms

google_tag.script.js

google_tag.script.js

9 ms

css_WGG_ryLqG1-Od7d7fzEWcCQJfwMIu1sD9wNbp8HvaQ0.css

css_WGG_ryLqG1-Od7d7fzEWcCQJfwMIu1sD9wNbp8HvaQ0.css

8 ms

css_wnlLJfc68unbV9UOq2wFkAiHaevZlGpPXCt8i_Y9YV8.css

css_wnlLJfc68unbV9UOq2wFkAiHaevZlGpPXCt8i_Y9YV8.css

11 ms

css_0JMlwqbb2at8E48d6mMC754EzEtanLk8A27sORFUQoQ.css

css_0JMlwqbb2at8E48d6mMC754EzEtanLk8A27sORFUQoQ.css

44 ms

oembed

oembed

68 ms

js_5eOrUvAqkBHmUNsILanovEYenSc1l0aCkCAK85YfQ3w.js

js_5eOrUvAqkBHmUNsILanovEYenSc1l0aCkCAK85YfQ3w.js

69 ms

eu_cookie_compliance.min.js

eu_cookie_compliance.min.js

67 ms

js_-B1-BS6Kt5_eohFZME7WokCSNrig7UpU3dfaJbVCzCs.js

js_-B1-BS6Kt5_eohFZME7WokCSNrig7UpU3dfaJbVCzCs.js

67 ms

logo.svg

logo.svg

79 ms

counterfeitdrugsheader.jpg

counterfeitdrugsheader.jpg

81 ms

climate-change-corn-field.jpg

climate-change-corn-field.jpg

89 ms

ep-747-1.png

ep-747-1.png

85 ms

nicotine-puch.jpeg

nicotine-puch.jpeg

85 ms

retain-article-headline1764x10602.jpg

retain-article-headline1764x10602.jpg

88 ms

dairy-cows-avian-flu.jpg

dairy-cows-avian-flu.jpg

89 ms

linkedinheadshot.jpeg

linkedinheadshot.jpeg

85 ms

img8990_0.jpg

img8990_0.jpg

94 ms

engagement-3.jpg

engagement-3.jpg

89 ms

aubourgheadshot.jpeg

aubourgheadshot.jpeg

89 ms

icon-search.svg

icon-search.svg

35 ms

arrow-yellow.svg

arrow-yellow.svg

35 ms

icon-facebook.svg

icon-facebook.svg

29 ms

icon-x.svg

icon-x.svg

28 ms

icon-instagram.svg

icon-instagram.svg

33 ms

icon-youtube.svg

icon-youtube.svg

32 ms

icon-linkedin.svg

icon-linkedin.svg

32 ms

logo-jhu.svg

logo-jhu.svg

35 ms

logo-jhsph.png

logo-jhsph.png

38 ms

css_fS9w_p8UVteQ-S9rhZ_4Q5ouQMHLc7gDTPJ9eqqFemw.css

css_fS9w_p8UVteQ-S9rhZ_4Q5ouQMHLc7gDTPJ9eqqFemw.css

35 ms

B5gIGheEcus

B5gIGheEcus

128 ms

gtm.js

gtm.js

55 ms

js

js

105 ms

hotjar-2535828.js

hotjar-2535828.js

207 ms

destination

destination

205 ms

insight.min.js

insight.min.js

251 ms

bat.js

bat.js

250 ms

pixel.js

pixel.js

247 ms

ping

ping

271 ms

334 ms

www-player.css

www-player.css

23 ms

www-embed-player.js

www-embed-player.js

169 ms

base.js

base.js

333 ms

Gentona-Book.woff

Gentona-Book.woff

149 ms

Gentona-Bold.woff

Gentona-Bold.woff

149 ms

Gentona-SemiBold.woff

Gentona-SemiBold.woff

149 ms

Quadon-ExtraBold.woff

Quadon-ExtraBold.woff

172 ms

Quadon-Regular.woff

Quadon-Regular.woff

148 ms

Titling-Gothic-Medium.woff

Titling-Gothic-Medium.woff

148 ms

Gentona-Medium.woff

Gentona-Medium.woff

174 ms

Quadon-Bold.woff

Quadon-Bold.woff

173 ms

Gentona-Light.woff

Gentona-Light.woff

173 ms

modules.842bcec28f9fd12bb79e.js

modules.842bcec28f9fd12bb79e.js

363 ms

rp.gif

rp.gif

353 ms

t2_hffzz_telemetry

t2_hffzz_telemetry

65 ms

insight_tag_errors.gif

insight_tag_errors.gif

492 ms

ad_status.js

ad_status.js

176 ms

HJLpC_KsHO9WNnzI89ITV8EL_3UMlOCJVEGkvNJwaGU.js

HJLpC_KsHO9WNnzI89ITV8EL_3UMlOCJVEGkvNJwaGU.js

123 ms

embed.js

embed.js

46 ms

Create

Create

98 ms

id

id

88 ms

GenerateIT

GenerateIT

13 ms

Accessibility Review

jhsph.edu accessibility score

83

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.

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

ARIA IDs are not unique

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

jhsph.edu best practices score

92

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

Page has valid source maps

SEO Factors

jhsph.edu SEO score

78

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

High

Image elements do not have [alt] attributes

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 Jhsph.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 Jhsph.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

jhsph.edu

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