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hemi.jhu.edu screenshot

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

hemi.jhu.edu

HEMI - Hopkins Extreme Materials Institute | Johns Hopkins University

Page Load Speed

1.2 sec in total

First Response

65 ms

Resources Loaded

798 ms

Page Rendered

295 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 65 ms and then it took 1.1 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

hemi.jhu.edu performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

51/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

hemi.jhu.edu

65 ms

hemi.jhu.edu

89 ms

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

110 ms

style.min.css

106 ms

jquery.fancybox.min.css

71 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 93% of them (43 requests) were addressed to the original Hemi.jhu.edu, 7% (3 requests) were made to . The less responsive or slowest element that took the longest time to load (365 ms) belongs to the original domain Hemi.jhu.edu.

Page Optimization Overview & Recommendations

Page size can be reduced by 39.5 kB (2%)

Content Size

1.8 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Hemi.jhu.edu main page is 1.8 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 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 39.0 kB

  • Original 48.6 kB
  • After minification 41.6 kB
  • After compression 9.6 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. This page needs HTML code to be minified as it can gain 7.1 kB, which is 15% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.0 kB or 80% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.4 MB
  • After minification 1.4 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. HEMI Jhu images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 240 B

  • Original 81.0 kB
  • After minification 81.0 kB
  • After compression 80.8 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 284 B

  • Original 238.0 kB
  • After minification 238.0 kB
  • After compression 237.7 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 24 (60%)

Requests Now

40

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 40 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 12 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

hemi.jhu.edu

hemi.jhu.edu

65 ms

hemi.jhu.edu

hemi.jhu.edu

89 ms

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

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

110 ms

style.min.css

style.min.css

106 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

71 ms

uamLoginForm.css

uamLoginForm.css

111 ms

foundation.css

foundation.css

83 ms

slidebars.css

slidebars.css

73 ms

flexslider.css

flexslider.css

144 ms

cloudfonts.css

cloudfonts.css

133 ms

style.css

style.css

151 ms

tablepress-combined.min.css

tablepress-combined.min.css

154 ms

button-styles.css

button-styles.css

215 ms

tmm_style.css

tmm_style.css

166 ms

email-decode.min.js

email-decode.min.js

133 ms

foundation.min.js

foundation.min.js

188 ms

slidebars.js

slidebars.js

193 ms

jquery.collapser.js

jquery.collapser.js

254 ms

owl.carousel.js

owl.carousel.js

173 ms

left-menu.js

left-menu.js

218 ms

more.js

more.js

276 ms

jquery.flexslider.js

jquery.flexslider.js

246 ms

site.js

site.js

251 ms

new-tab.js

new-tab.js

277 ms

rocket-loader.min.js

rocket-loader.min.js

221 ms

whiting.logo.png

whiting.logo.png

234 ms

krieger.logo.png

krieger.logo.png

247 ms

apl2.png

apl2.png

260 ms

YAN.jpg

YAN.jpg

329 ms

CHEN.jpg

CHEN.jpg

313 ms

andrew-robinson-2.jpg

andrew-robinson-2.jpg

332 ms

impact.png

impact.png

307 ms

shield.png

shield.png

325 ms

building.png

building.png

343 ms

jhu-homepage-new-shadow.png

jhu-homepage-new-shadow.png

365 ms

dashicons.min.css

dashicons.min.css

164 ms

font-awesome.min.css

font-awesome.min.css

215 ms

search.png

search.png

63 ms

2024-Discovery-Awards-2-e1719327164354.png

2024-Discovery-Awards-2-e1719327164354.png

64 ms

2024-Discovery-Awards-1.png

2024-Discovery-Awards-1.png

77 ms

SHWFS_Video.gif

SHWFS_Video.gif

79 ms

EiwqdQVcLWs+wiB2CxT0th7x0CSgoSeCM3vetFY6LcqDnojx+bD4d2nj6BqATPp5unuIn841LJA==

EiwqdQVcLWs+wiB2CxT0th7x0CSgoSeCM3vetFY6LcqDnojx+bD4d2nj6BqATPp5unuIn841LJA==

8 ms

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

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

7 ms

FefLYfDq08fQNQCd8Mt08xU82nEs0

FefLYfDq08fQNQCd8Mt08xU82nEs0

7 ms

hemi.woff

hemi.woff

50 ms

jquery.min.js

jquery.min.js

52 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: