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centerforhealthsecurity.org screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

centerforhealthsecurity.org

Johns Hopkins Center for Health Security

Page Load Speed

1.1 sec in total

First Response

22 ms

Resources Loaded

627 ms

Page Rendered

438 ms

centerforhealthsecurity.org screenshot

About Website

Visit centerforhealthsecurity.org now to see the best up-to-date Center For Health Security content for United States and also check out these interesting facts you probably never knew about centerforhealthsecurity.org

Protecting Health, Saving Lives—Millions at a Time

Visit centerforhealthsecurity.org

Key Findings

We analyzed Centerforhealthsecurity.org page load time and found that the first response time was 22 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 20% of websites can load faster.

Performance Metrics

centerforhealthsecurity.org performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value3,370 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.139

79/100

15%

TTI (Time to Interactive)

Value19.7 s

2/100

10%

Network Requests Diagram

centerforhealthsecurity.org

22 ms

centerforhealthsecurity.org

23 ms

google_tag.script.js

7 ms

css_x0OWkChWlqpDMtejOn8S_yaodDuJz7V1E03cxl4ZNFA.css

6 ms

css_wYaWJo7TzbULfJDA11h34r1uVkJpj3nkSJcDgNQfz6U.css

13 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 74% of them (32 requests) were addressed to the original Centerforhealthsecurity.org, 12% (5 requests) were made to Youtube.com and 5% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (197 ms) relates to the external source Static.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.0 kB (4%)

Content Size

1.0 MB

After Optimization

998.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centerforhealthsecurity.org main page is 1.0 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 631.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 32.5 kB

  • Original 41.5 kB
  • After minification 36.6 kB
  • After compression 9.1 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. This page needs HTML code to be minified as it can gain 4.9 kB, which is 12% 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 32.5 kB or 78% of the original size.

Image Optimization

-1%

Potential reduce by 7.6 kB

  • Original 631.9 kB
  • After minification 624.3 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. Center For Health Security images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.6 kB

  • Original 232.2 kB
  • After minification 232.2 kB
  • After compression 229.6 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 234 B

  • Original 135.4 kB
  • After minification 135.3 kB
  • After compression 135.1 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. Centerforhealthsecurity.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (45%)

Requests Now

31

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Center For Health Security. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centerforhealthsecurity.org

centerforhealthsecurity.org

22 ms

centerforhealthsecurity.org

centerforhealthsecurity.org

23 ms

google_tag.script.js

google_tag.script.js

7 ms

css_x0OWkChWlqpDMtejOn8S_yaodDuJz7V1E03cxl4ZNFA.css

css_x0OWkChWlqpDMtejOn8S_yaodDuJz7V1E03cxl4ZNFA.css

6 ms

css_wYaWJo7TzbULfJDA11h34r1uVkJpj3nkSJcDgNQfz6U.css

css_wYaWJo7TzbULfJDA11h34r1uVkJpj3nkSJcDgNQfz6U.css

13 ms

css_vUER4hxRUeTL7LMhmKaXSqpPAPCP_-5wgB7FmEw_MPU.css

css_vUER4hxRUeTL7LMhmKaXSqpPAPCP_-5wgB7FmEw_MPU.css

10 ms

trl_1406_headlines_grid_display_issue_for_group_articles-55ab7857a95bc7c568ab1be5d32286ed.css

trl_1406_headlines_grid_display_issue_for_group_articles-55ab7857a95bc7c568ab1be5d32286ed.css

45 ms

center-for-health-security-logo-horizontal-white-160.png

center-for-health-security-logo-horizontal-white-160.png

72 ms

oembed

oembed

44 ms

js_j498-luwvh1JnrP4udjehydT9qX_-1Dc2V6M1eKa3c4.js

js_j498-luwvh1JnrP4udjehydT9qX_-1Dc2V6M1eKa3c4.js

70 ms

eu_cookie_compliance.min.js

eu_cookie_compliance.min.js

69 ms

js_-B1-BS6Kt5_eohFZME7WokCSNrig7UpU3dfaJbVCzCs.js

js_-B1-BS6Kt5_eohFZME7WokCSNrig7UpU3dfaJbVCzCs.js

70 ms

news-2024-09-04-genesynthesisscreening.jpg

news-2024-09-04-genesynthesisscreening.jpg

78 ms

news-2024-07-23-rrreport.jpg

news-2024-07-23-rrreport.jpg

76 ms

news-2024-07-17-trustwebsite.jpg

news-2024-07-17-trustwebsite.jpg

75 ms

news-2024-05-16-aixbio_0.jpg

news-2024-05-16-aixbio_0.jpg

77 ms

css_vkrExwvZlYsx_y0io4je761xj1UehgWrGBj9C1sC5b0.css

css_vkrExwvZlYsx_y0io4je761xj1UehgWrGBj9C1sC5b0.css

34 ms

k19o4WlJZOo

k19o4WlJZOo

111 ms

icon-search.svg

icon-search.svg

21 ms

arrow-white.svg

arrow-white.svg

21 ms

icon-linkedin.svg

icon-linkedin.svg

18 ms

icon-x.svg

icon-x.svg

18 ms

icon-youtube.svg

icon-youtube.svg

19 ms

logo-jhu.svg

logo-jhu.svg

18 ms

logo-jhsph.png

logo-jhsph.png

21 ms

Gentona-Book.woff

Gentona-Book.woff

22 ms

gtm.js

gtm.js

58 ms

www-player.css

www-player.css

9 ms

www-embed-player.js

www-embed-player.js

25 ms

base.js

base.js

49 ms

ad_status.js

ad_status.js

197 ms

hkwQPN6l4_SNpHVtjw8vAhWItmV3wkCVMuKaKCsfQ0c.js

hkwQPN6l4_SNpHVtjw8vAhWItmV3wkCVMuKaKCsfQ0c.js

145 ms

embed.js

embed.js

29 ms

Titling-Regular.ttf

Titling-Regular.ttf

49 ms

Gentona-SemiBold.woff

Gentona-SemiBold.woff

47 ms

Titling-Light.ttf

Titling-Light.ttf

40 ms

Quadon-Regular.woff

Quadon-Regular.woff

26 ms

Quadon-ExtraBold.woff

Quadon-ExtraBold.woff

48 ms

Gentona-Medium.woff

Gentona-Medium.woff

46 ms

Gentona-Bold.woff

Gentona-Bold.woff

49 ms

KFOmCnqEu92Fr1Mu4mxM.woff

KFOmCnqEu92Fr1Mu4mxM.woff

73 ms

KFOlCnqEu92Fr1MmEU9fBBc-.woff

KFOlCnqEu92Fr1MmEU9fBBc-.woff

74 ms

id

id

42 ms

Accessibility Review

centerforhealthsecurity.org accessibility score

93

Accessibility Issues

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

Best Practices

centerforhealthsecurity.org 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

centerforhealthsecurity.org SEO score

91

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

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 Centerforhealthsecurity.org 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 Centerforhealthsecurity.org 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

centerforhealthsecurity.org

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