Tools & Wizards About Us
prevention.va.gov screenshot

Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

prevention.va.gov

National Center for Health Promotion and Disease Prevention Home

Page Load Speed

4.6 sec in total

First Response

760 ms

Resources Loaded

3.5 sec

Page Rendered

353 ms

prevention.va.gov screenshot

About Website

Visit prevention.va.gov now to see the best up-to-date Prevention Va content for United States and also check out these interesting facts you probably never knew about prevention.va.gov

Apply for and manage the VA benefits and services you’ve earned as a Veteran, Servicemember, or family member—like health care, disability, education, and more.

Visit prevention.va.gov

Key Findings

We analyzed Prevention.va.gov page load time and found that the first response time was 760 ms and then it took 3.9 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

prevention.va.gov performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value11.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.1 s

0/100

25%

SI (Speed Index)

Value13.0 s

2/100

10%

TBT (Total Blocking Time)

Value1,300 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.549

13/100

15%

TTI (Time to Interactive)

Value17.8 s

4/100

10%

Network Requests Diagram

prevention.va.gov

760 ms

bootstrap.css

130 ms

layout.css

113 ms

accessibleMegaMenu.css

104 ms

health.css

42 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 63% of them (58 requests) were addressed to the original Prevention.va.gov, 16% (15 requests) were made to Va.gov and 7% (6 requests) were made to Cdn.eo.va.gov. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Prevention.va.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 737.4 kB (29%)

Content Size

2.5 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Prevention.va.gov main page is 2.5 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. 55% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 84.7 kB

  • Original 100.9 kB
  • After minification 76.9 kB
  • After compression 16.2 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 24.1 kB, which is 24% 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 84.7 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 74.0 kB

  • Original 1.1 MB
  • After minification 1.1 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. Prevention Va images are well optimized though.

JavaScript Optimization

-40%

Potential reduce by 312.9 kB

  • Original 788.1 kB
  • After minification 614.8 kB
  • After compression 475.3 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 312.9 kB or 40% of the original size.

CSS Optimization

-53%

Potential reduce by 265.9 kB

  • Original 506.2 kB
  • After minification 439.5 kB
  • After compression 240.3 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. Prevention.va.gov needs all CSS files to be minified and compressed as it can save up to 265.9 kB or 53% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (35%)

Requests Now

89

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prevention Va. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

prevention.va.gov

prevention.va.gov

760 ms

bootstrap.css

bootstrap.css

130 ms

layout.css

layout.css

113 ms

accessibleMegaMenu.css

accessibleMegaMenu.css

104 ms

health.css

health.css

42 ms

slider.css

slider.css

74 ms

slide-menu-custom.css

slide-menu-custom.css

46 ms

tabs.css

tabs.css

56 ms

modal.css

modal.css

59 ms

all.css

all.css

563 ms

jquery-1-10-2.js

jquery-1-10-2.js

124 ms

swipe-min.js

swipe-min.js

74 ms

scrollable.js

scrollable.js

108 ms

left-nav.js

left-nav.js

108 ms

tabs-library.js

tabs-library.js

116 ms

tabs-accord.js

tabs-accord.js

117 ms

accessible2.js

accessible2.js

131 ms

custom.js

custom.js

120 ms

externalLinks.js

externalLinks.js

131 ms

Universal-Federated-Analytics-Min.js

Universal-Federated-Analytics-Min.js

14 ms

styleConsolidated.css

styleConsolidated.css

482 ms

polyfills.entry.js

polyfills.entry.js

423 ms

vendor.entry.js

vendor.entry.js

436 ms

proxy-rewrite.entry.js

proxy-rewrite.entry.js

512 ms

uswds.min.js

uswds.min.js

311 ms

analytics-po.js

analytics-po.js

131 ms

crisis-modal2.js

crisis-modal2.js

105 ms

gtm.js

gtm.js

64 ms

site-styles.css

site-styles.css

16 ms

extended-styles.min.css

extended-styles.min.css

194 ms

js

js

55 ms

font-awesome.min.css

font-awesome.min.css

151 ms

va-colors.min.css

va-colors.min.css

443 ms

bg-middle-effect.png

bg-middle-effect.png

540 ms

bg-header.jpg

bg-header.jpg

77 ms

arrow-right.svg

arrow-right.svg

852 ms

main-search-button.png

main-search-button.png

526 ms

header-logo.png

header-logo.png

56 ms

button_close.png

button_close.png

53 ms

arrow-down.png

arrow-down.png

54 ms

closed.png

closed.png

53 ms

bg-content.png

bg-content.png

55 ms

gray_nav_bkgd.png

gray_nav_bkgd.png

55 ms

list-icon1.png

list-icon1.png

56 ms

bg-locator.png

bg-locator.png

55 ms

button-locator.png

button-locator.png

56 ms

arrow-left.png

arrow-left.png

55 ms

bt_pause_s2.png

bt_pause_s2.png

57 ms

bt_play_s2.png

bt_play_s2.png

57 ms

NCP-Screenings-Banner-500x275.jpg

NCP-Screenings-Banner-500x275.jpg

1157 ms

NCP-Sept-Be-Safe-500x275-v01.jpg

NCP-Sept-Be-Safe-500x275-v01.jpg

123 ms

NCP-HL-Banner-Sleep-Well-275X500-v01.jpg

NCP-HL-Banner-Sleep-Well-275X500-v01.jpg

122 ms

arrow-right.png

arrow-right.png

70 ms

ForPatientsThumb.jpg

ForPatientsThumb.jpg

70 ms

ForCliniciansThumb.jpg

ForCliniciansThumb.jpg

69 ms

publicationsthum.jpg

publicationsthum.jpg

124 ms

Badge_Move.png

Badge_Move.png

123 ms

button-footer-email.png

button-footer-email.png

124 ms

vha-excellence.png

vha-excellence.png

124 ms

social-email.png

social-email.png

128 ms

social-fb.png

social-fb.png

130 ms

social-twitter.png

social-twitter.png

129 ms

social-blog.png

social-blog.png

129 ms

social-flickr.png

social-flickr.png

130 ms

social-youtube.png

social-youtube.png

134 ms

social-instagram.png

social-instagram.png

134 ms

button-footer-email.png

button-footer-email.png

135 ms

vcl-logo.png

vcl-logo.png

967 ms

social-email.png

social-email.png

555 ms

social-fb.png

social-fb.png

724 ms

social-twitter.png

social-twitter.png

722 ms

social-blog.png

social-blog.png

724 ms

social-flickr.png

social-flickr.png

723 ms

social-youtube.png

social-youtube.png

722 ms

social-instagram.png

social-instagram.png

626 ms

button-health.png

button-health.png

801 ms

button-protect-your-health.png

button-protect-your-health.png

923 ms

button-health-a-z.png

button-health-a-z.png

921 ms

badge_VCL.jpg

badge_VCL.jpg

1098 ms

badge_MHEV.jpg

badge_MHEV.jpg

922 ms

Badge_VHL.png

Badge_VHL.png

921 ms

Badge_HealthyLiving.png

Badge_HealthyLiving.png

949 ms

slider-bckgrnd-nonactive.jpg

slider-bckgrnd-nonactive.jpg

70 ms

slider-bckgrnd-notch-active.jpg

slider-bckgrnd-notch-active.jpg

68 ms

tabs.png

tabs.png

415 ms

bg-footer-effect.png

bg-footer-effect.png

416 ms

sub-closed.png

sub-closed.png

34 ms

open.png

open.png

34 ms

analytics.js

analytics.js

18 ms

fa-solid-900.woff

fa-solid-900.woff

364 ms

fa-regular-400.woff

fa-regular-400.woff

222 ms

collect

collect

11 ms

Accessibility Review

prevention.va.gov accessibility score

99

Accessibility Issues

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

prevention.va.gov best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

prevention.va.gov SEO score

86

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 Prevention.va.gov 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 Prevention.va.gov 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

prevention.va.gov

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