Tools & Wizards About Us
vhfc.org screenshot

Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 67% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

vhfc.org

VHFC

Page Load Speed

1.7 sec in total

First Response

342 ms

Resources Loaded

1.2 sec

Page Rendered

118 ms

vhfc.org screenshot

About Website

Click here to check amazing VHFC content for United States. Otherwise, check out these important facts you probably never knew about vhfc.org

The Viral Hemorrhagic Fever Consortium is a partnership of international research institutions investigating Ebola and Lassa in West Africa.

Visit vhfc.org

Key Findings

We analyzed Vhfc.org page load time and found that the first response time was 342 ms and then it took 1.3 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

vhfc.org performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0.046

99/100

15%

TTI (Time to Interactive)

Value6.9 s

54/100

10%

Network Requests Diagram

vhfc.org

342 ms

css_2c593e171c187ce39ede2db589bcc019.css

150 ms

js_4759dc48ba4b11a9ac7c9681f1dd1ba1.js

262 ms

body-bg.jpg

113 ms

keylock.gif

114 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Vhfc.org and no external sources were called. The less responsive or slowest element that took the longest time to load (464 ms) belongs to the original domain Vhfc.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.7 kB (43%)

Content Size

448.2 kB

After Optimization

253.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vhfc.org main page is 448.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 214.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 16.4 kB

  • Original 21.2 kB
  • After minification 19.6 kB
  • After compression 4.7 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 16.4 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 10.1 kB

  • Original 214.3 kB
  • After minification 204.2 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. VHFC images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 129.9 kB

  • Original 165.3 kB
  • After minification 135.0 kB
  • After compression 35.4 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 129.9 kB or 79% of the original size.

CSS Optimization

-81%

Potential reduce by 38.2 kB

  • Original 47.5 kB
  • After minification 44.3 kB
  • After compression 9.3 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. Vhfc.org needs all CSS files to be minified and compressed as it can save up to 38.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 7 (26%)

Requests Now

27

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VHFC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

vhfc.org

vhfc.org

342 ms

css_2c593e171c187ce39ede2db589bcc019.css

css_2c593e171c187ce39ede2db589bcc019.css

150 ms

js_4759dc48ba4b11a9ac7c9681f1dd1ba1.js

js_4759dc48ba4b11a9ac7c9681f1dd1ba1.js

262 ms

body-bg.jpg

body-bg.jpg

113 ms

keylock.gif

keylock.gif

114 ms

top-menu-divider.jpg

top-menu-divider.jpg

106 ms

logo.png

logo.png

132 ms

menu-divider.png

menu-divider.png

143 ms

menu-corner-bottom.png

menu-corner-bottom.png

130 ms

menu-bg.png

menu-bg.png

185 ms

block-shading.png

block-shading.png

191 ms

sidebar-title-left-bg.png

sidebar-title-left-bg.png

185 ms

sidebar-title-right-bg.png

sidebar-title-right-bg.png

196 ms

sidebar-title-bg.png

sidebar-title-bg.png

197 ms

lab.jpg

lab.jpg

223 ms

landcruiser.jpg

landcruiser.jpg

314 ms

outpost.jpg

outpost.jpg

263 ms

paddling.jpg

paddling.jpg

327 ms

ward.jpg

ward.jpg

335 ms

kids.jpg

kids.jpg

330 ms

group.jpg

group.jpg

360 ms

comment-icon.jpg

comment-icon.jpg

327 ms

readmore.png

readmore.png

381 ms

award_featured.jpg

award_featured.jpg

464 ms

footerbg.jpg

footerbg.jpg

397 ms

slideactive.png

slideactive.png

405 ms

slidenotactive.png

slidenotactive.png

401 ms

css_e4025c195646c1cc60b958befcc9128c.css

css_e4025c195646c1cc60b958befcc9128c.css

81 ms

Accessibility Review

vhfc.org accessibility score

87

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

Heading elements are not in a sequentially-descending order

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

vhfc.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

SEO Factors

vhfc.org SEO score

93

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

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 Vhfc.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 Vhfc.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

vhfc.org

Open Graph description is not detected on the main page of VHFC. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: