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ehe.jhu.edu screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 84

    SEO

    Google-friendlier than
    53% of websites

ehe.jhu.edu

Environmental Health and Engineering | Johns Hopkins | Bloomberg School of Public Health

Page Load Speed

4.1 sec in total

First Response

31 ms

Resources Loaded

2.1 sec

Page Rendered

1.9 sec

ehe.jhu.edu screenshot

About Website

Welcome to ehe.jhu.edu homepage info - get ready to check Ehe Jhu best content for United States right away, or after learning these important things about ehe.jhu.edu

We offer undergraduate and graduate degrees in environmental engineering, as well as a range of master's and doctoral degrees in public health.

Visit ehe.jhu.edu

Key Findings

We analyzed Ehe.jhu.edu page load time and found that the first response time was 31 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

ehe.jhu.edu performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value36.2 s

0/100

10%

TBT (Total Blocking Time)

Value74,220 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value93.9 s

0/100

10%

Network Requests Diagram

ehe.jhu.edu

31 ms

environmental-health-and-engineering

72 ms

google_tag.script.js

10 ms

css_lQRoHDnD3s4rqrSZ7UPXRvgwuUHuL7CmX3rDfG8GR68.css

8 ms

css_qQgHwMXG_rwrjemv411F8gyxBUqs3rlpRRsGnR8jjiM.css

10 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Ehe.jhu.edu, 47% (37 requests) were made to Publichealth.jhu.edu and 14% (11 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (857 ms) relates to the external source Syndication.twitter.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 540.2 kB (38%)

Content Size

1.4 MB

After Optimization

875.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ehe.jhu.edu main page is 1.4 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 723.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 157.0 kB

  • Original 192.4 kB
  • After minification 185.2 kB
  • After compression 35.4 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 157.0 kB or 82% of the original size.

Image Optimization

-6%

Potential reduce by 42.5 kB

  • Original 723.9 kB
  • After minification 681.4 kB

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. Ehe Jhu images are well optimized though.

JavaScript Optimization

-29%

Potential reduce by 28.5 kB

  • Original 98.9 kB
  • After minification 98.9 kB
  • After compression 70.4 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 28.5 kB or 29% of the original size.

CSS Optimization

-78%

Potential reduce by 312.2 kB

  • Original 400.2 kB
  • After minification 400.0 kB
  • After compression 88.0 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. Ehe.jhu.edu needs all CSS files to be minified and compressed as it can save up to 312.2 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (63%)

Requests Now

65

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ehe Jhu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ehe.jhu.edu

ehe.jhu.edu

31 ms

environmental-health-and-engineering

environmental-health-and-engineering

72 ms

google_tag.script.js

google_tag.script.js

10 ms

css_lQRoHDnD3s4rqrSZ7UPXRvgwuUHuL7CmX3rDfG8GR68.css

css_lQRoHDnD3s4rqrSZ7UPXRvgwuUHuL7CmX3rDfG8GR68.css

8 ms

css_qQgHwMXG_rwrjemv411F8gyxBUqs3rlpRRsGnR8jjiM.css

css_qQgHwMXG_rwrjemv411F8gyxBUqs3rlpRRsGnR8jjiM.css

10 ms

css_Vtl83T7Ki1X_azFjyTAeKBVDrkLC_y3FSseHMm1xLWw.css

css_Vtl83T7Ki1X_azFjyTAeKBVDrkLC_y3FSseHMm1xLWw.css

29 ms

print_styles_preloader-3e188f470162563372f3b5c46afcb2fc.css

print_styles_preloader-3e188f470162563372f3b5c46afcb2fc.css

51 ms

js_QHqjxhGPGgZFwOfW92tmrVpssmC1sbO0zDG4TgLmaEI.js

js_QHqjxhGPGgZFwOfW92tmrVpssmC1sbO0zDG4TgLmaEI.js

54 ms

widgets.js

widgets.js

408 ms

js_baqXJ9luBatRfqo3rsuRSO2aQitOVSJi6mCx6vzoz4A.js

js_baqXJ9luBatRfqo3rsuRSO2aQitOVSJi6mCx6vzoz4A.js

92 ms

eu_cookie_compliance.js

eu_cookie_compliance.js

84 ms

oembed

oembed

294 ms

oembed

oembed

286 ms

bloomberglogolargehorizontalblue.png

bloomberglogolargehorizontalblue.png

328 ms

ehe-logo.svg

ehe-logo.svg

321 ms

arrow-yellow.svg

arrow-yellow.svg

305 ms

icon-twitter-blue.svg

icon-twitter-blue.svg

308 ms

icon-facebook-blue.svg

icon-facebook-blue.svg

307 ms

icon-youtube-blue.svg

icon-youtube-blue.svg

319 ms

icon-instagram-blue.svg

icon-instagram-blue.svg

319 ms

icon-linkedin-blue.svg

icon-linkedin-blue.svg

324 ms

icon-facebook.svg

icon-facebook.svg

351 ms

icon-twitter.svg

icon-twitter.svg

352 ms

icon-youtube.svg

icon-youtube.svg

367 ms

icon-instagram.svg

icon-instagram.svg

366 ms

logo-jhu.svg

logo-jhu.svg

354 ms

gtm.js

gtm.js

463 ms

icon-external.png

icon-external.png

82 ms

icon-menu-open.png

icon-menu-open.png

92 ms

css_4IlHgbTvgr1p0Kag3B7RZDlDJt1RMbfVTso7VqoGXS4.css

css_4IlHgbTvgr1p0Kag3B7RZDlDJt1RMbfVTso7VqoGXS4.css

88 ms

cVBnLihjsf8

cVBnLihjsf8

220 ms

prYjp5g3XOU

prYjp5g3XOU

218 ms

Gentona-Book.woff

Gentona-Book.woff

76 ms

Gentona-Bold.woff

Gentona-Bold.woff

90 ms

Quadon-ExtraBold.woff

Quadon-ExtraBold.woff

126 ms

Titling-Gothic-Medium.woff

Titling-Gothic-Medium.woff

125 ms

Quadon-Regular.woff

Quadon-Regular.woff

125 ms

Gentona-SemiBold.woff

Gentona-SemiBold.woff

126 ms

Gentona-Medium.woff

Gentona-Medium.woff

125 ms

Quadon-Bold.woff

Quadon-Bold.woff

124 ms

ENV-518613574-getty-placeholder_0.jpg

ENV-518613574-getty-placeholder_0.jpg

175 ms

widget_iframe.7dae38096d06923d683a2a807172322a.html

widget_iframe.7dae38096d06923d683a2a807172322a.html

99 ms

settings

settings

151 ms

www-player.css

www-player.css

84 ms

www-embed-player.js

www-embed-player.js

165 ms

base.js

base.js

279 ms

fetch-polyfill.js

fetch-polyfill.js

81 ms

print_styles_main-9a7d81ecb64802a9498e76b246a5ffd0.css

print_styles_main-9a7d81ecb64802a9498e76b246a5ffd0.css

30 ms

hotjar-2535828.js

hotjar-2535828.js

150 ms

analytics.js

analytics.js

147 ms

ping

ping

142 ms

js

js

58 ms

horizon_timeline.a7991bb824d62c8d5038ddd875db8389.js

horizon_timeline.a7991bb824d62c8d5038ddd875db8389.js

93 ms

embeds

embeds

90 ms

modules.cbd9768ba80ba0be5b17.js

modules.cbd9768ba80ba0be5b17.js

28 ms

collect

collect

51 ms

johnshopkinsehe

johnshopkinsehe

857 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

250 ms

ad_status.js

ad_status.js

267 ms

VM1LbcxuQZ7urdjSm15-Kft2IdlldgxYJTjOL3p1Mjw.js

VM1LbcxuQZ7urdjSm15-Kft2IdlldgxYJTjOL3p1Mjw.js

302 ms

embed.js

embed.js

134 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

152 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

245 ms

visit-data

visit-data

642 ms

id

id

116 ms

nr-1216.min.js

nr-1216.min.js

233 ms

Create

Create

343 ms

Create

Create

346 ms

polyfills-57d3feabe8bfd4ee389c.js

polyfills-57d3feabe8bfd4ee389c.js

117 ms

runtime-eb61dff4a84b8f906e6b.js

runtime-eb61dff4a84b8f906e6b.js

287 ms

modules.c7def0268c66f6a548ed.js

modules.c7def0268c66f6a548ed.js

335 ms

main-e9db78f5e7b3d83edd5e.js

main-e9db78f5e7b3d83edd5e.js

302 ms

_app-446fb4a338b215deec8c.js

_app-446fb4a338b215deec8c.js

303 ms

%5BscreenName%5D-c8b4c96951cf24f547b4.js

%5BscreenName%5D-c8b4c96951cf24f547b4.js

301 ms

_buildManifest.js

_buildManifest.js

302 ms

_ssgManifest.js

_ssgManifest.js

299 ms

NRJS-b5c98f20e16a3c7b777

NRJS-b5c98f20e16a3c7b777

271 ms

NRJS-b5c98f20e16a3c7b777

NRJS-b5c98f20e16a3c7b777

270 ms

Accessibility Review

ehe.jhu.edu accessibility score

91

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.

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

ehe.jhu.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

SEO Factors

ehe.jhu.edu SEO score

84

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Ehe.jhu.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 Ehe.jhu.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

ehe.jhu.edu

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