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hemi.jhu.edu screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    38% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

hemi.jhu.edu

HEMI - Hopkins Extreme Materials Institute | Johns Hopkins University

Page Load Speed

17.5 sec in total

First Response

266 ms

Resources Loaded

16.9 sec

Page Rendered

409 ms

hemi.jhu.edu screenshot

About Website

Click here to check amazing HEMI Jhu content for United States. Otherwise, check out these important facts you probably never knew about hemi.jhu.edu

HEMI at Johns Hopkins University advances the fundamental science associated with materials and structures under extreme conditions.

Visit hemi.jhu.edu

Key Findings

We analyzed Hemi.jhu.edu page load time and found that the first response time was 266 ms and then it took 17.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

hemi.jhu.edu performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value8.8 s

16/100

10%

TBT (Total Blocking Time)

Value4,240 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

hemi.jhu.edu

266 ms

wp-emoji-release.min.js

73 ms

tribe-events-pro-mini-calendar-block.min.css

69 ms

style.min.css

80 ms

jquery.fancybox.min.css

97 ms

Our browser made a total of 74 requests to load all elements on the main page. We found that 89% of them (66 requests) were addressed to the original Hemi.jhu.edu, 4% (3 requests) were made to and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (15.8 sec) belongs to the original domain Hemi.jhu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 45.2 kB (4%)

Content Size

1.2 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hemi.jhu.edu main page is 1.2 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. 70% of websites need less resources to load. Images take 771.1 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 37.8 kB

  • Original 48.9 kB
  • After minification 48.9 kB
  • After compression 11.1 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 37.8 kB or 77% of the original size.

Image Optimization

-0%

Potential reduce by 430 B

  • Original 771.1 kB
  • After minification 770.7 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. HEMI Jhu images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 6.2 kB

  • Original 142.7 kB
  • After minification 142.7 kB
  • After compression 136.5 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 752 B

  • Original 241.1 kB
  • After minification 241.1 kB
  • After compression 240.4 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. Hemi.jhu.edu has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 49 (72%)

Requests Now

68

After Optimization

19

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HEMI 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 35 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hemi.jhu.edu

hemi.jhu.edu

266 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

73 ms

tribe-events-pro-mini-calendar-block.min.css

tribe-events-pro-mini-calendar-block.min.css

69 ms

style.min.css

style.min.css

80 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

97 ms

uamLoginForm.css

uamLoginForm.css

96 ms

foundation.css

foundation.css

107 ms

slidebars.css

slidebars.css

118 ms

flexslider.css

flexslider.css

83 ms

cloudfonts.css

cloudfonts.css

123 ms

style.css

style.css

192 ms

jquery-ui-1.9.2.custom.min.css

jquery-ui-1.9.2.custom.min.css

118 ms

layout.css

layout.css

144 ms

jquery-ui.css

jquery-ui.css

190 ms

tablepress-combined.min.css

tablepress-combined.min.css

188 ms

button-styles.css

button-styles.css

222 ms

jquery.min.js

jquery.min.js

227 ms

jquery-migrate.min.js

jquery-migrate.min.js

274 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

228 ms

underscore-before.js

underscore-before.js

227 ms

underscore.min.js

underscore.min.js

228 ms

underscore-after.js

underscore-after.js

231 ms

infinite-scroll.pkgd.min.js

infinite-scroll.pkgd.min.js

231 ms

front.js

front.js

233 ms

modernizr.js

modernizr.js

231 ms

jquery.ba-bbq.min.js

jquery.ba-bbq.min.js

227 ms

jquery.scrolltab.js

jquery.scrolltab.js

233 ms

core.min.js

core.min.js

259 ms

tabs.min.js

tabs.min.js

258 ms

accordion.min.js

accordion.min.js

243 ms

controlgroup.min.js

controlgroup.min.js

250 ms

checkboxradio.min.js

checkboxradio.min.js

242 ms

button.min.js

button.min.js

251 ms

jquery-unselectable.js

jquery-unselectable.js

253 ms

mouse.min.js

mouse.min.js

250 ms

slider.min.js

slider.min.js

252 ms

base.js

base.js

264 ms

custom.js

custom.js

220 ms

email-decode.min.js

email-decode.min.js

216 ms

foundation.min.js

foundation.min.js

204 ms

slidebars.js

slidebars.js

194 ms

jquery.collapser.js

jquery.collapser.js

189 ms

owl.carousel.js

owl.carousel.js

183 ms

left-menu.js

left-menu.js

171 ms

more.js

more.js

166 ms

jquery.flexslider.js

jquery.flexslider.js

148 ms

site.js

site.js

146 ms

new-tab.js

new-tab.js

103 ms

dashicons.min.css

dashicons.min.css

66 ms

font-awesome.min.css

font-awesome.min.css

78 ms

analytics.js

analytics.js

501 ms

siteanalyze_16739.js

siteanalyze_16739.js

500 ms

search.png

search.png

402 ms

whiting.logo.png

whiting.logo.png

371 ms

krieger.logo.png

krieger.logo.png

370 ms

apl2.png

apl2.png

402 ms

CMEDE.jpg

CMEDE.jpg

369 ms

HEMI-SNL-IMG_1904-scaled.jpg

HEMI-SNL-IMG_1904-scaled.jpg

374 ms

hemi-blog.png

hemi-blog.png

372 ms

MONTI.jpg

MONTI.jpg

15807 ms

LGB.jpg

LGB.jpg

475 ms

paul-plucinsky-1.jpg

paul-plucinsky-1.jpg

477 ms

impact.png

impact.png

398 ms

shield.png

shield.png

402 ms

building.png

building.png

400 ms

jhu-homepage-new-shadow.png

jhu-homepage-new-shadow.png

399 ms

EiwqdQVcLWs+wiB2CxT0th7x0CSgoSeCM3vetFY6LcqDnojx+bD4d2nj6BqATPp5unuIn841LJA==

EiwqdQVcLWs+wiB2CxT0th7x0CSgoSeCM3vetFY6LcqDnojx+bD4d2nj6BqATPp5unuIn841LJA==

7 ms

l9irt3dYTn6B45btNINBDdoDzRlYHuLKFFRRM084D0Bd7BD3yEq6IkgUxwmzhF8rYgtVS3ro9SHrNkYPs3jKZqKyAz4TWuNdhjBmgxSDzgV+eRIagamQUa5B+GI9OuXOs6qJAsjthNeIEpPc+G0pvL4twaLnKMrrTADuDfdvOnmlG6O5ZIPyx3nXFxPX3B2fQ5ZkqQzeqbJ84qJnieRx4+Fc28ZR8nsj+KLpl1I2JQ0X7Uhkx82yeBPxIsKnUFXC1rPsIgdgsU9LYe8dAkoKEngjN53rRWOi3Kg56I8fmw+Hdp4+gagEz6ebp7iF+LXSyA=

l9irt3dYTn6B45btNINBDdoDzRlYHuLKFFRRM084D0Bd7BD3yEq6IkgUxwmzhF8rYgtVS3ro9SHrNkYPs3jKZqKyAz4TWuNdhjBmgxSDzgV+eRIagamQUa5B+GI9OuXOs6qJAsjthNeIEpPc+G0pvL4twaLnKMrrTADuDfdvOnmlG6O5ZIPyx3nXFxPX3B2fQ5ZkqQzeqbJ84qJnieRx4+Fc28ZR8nsj+KLpl1I2JQ0X7Uhkx82yeBPxIsKnUFXC1rPsIgdgsU9LYe8dAkoKEngjN53rRWOi3Kg56I8fmw+Hdp4+gagEz6ebp7iF+LXSyA=

15 ms

FefLYfDq08fQNQCd8Mt08xU82nEs0

FefLYfDq08fQNQCd8Mt08xU82nEs0

21 ms

hemi.woff

hemi.woff

164 ms

collect

collect

72 ms

collect

collect

269 ms

image.aspx

image.aspx

36 ms

HEMI_logo_desktop.png

HEMI_logo_desktop.png

26 ms

Accessibility Review

hemi.jhu.edu accessibility score

73

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

[id] attributes on active, focusable elements are not unique

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

hemi.jhu.edu best practices score

83

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

Browser errors were logged to the console

SEO Factors

hemi.jhu.edu SEO score

85

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 Hemi.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 Hemi.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

hemi.jhu.edu

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