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nvicadvocacy.org screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

nvicadvocacy.org

NVIC Advocacy Home

Page Load Speed

166 ms in total

First Response

32 ms

Resources Loaded

134 ms

Page Rendered

0 ms

nvicadvocacy.org screenshot

About Website

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

State Advocacy Portal for the National Vaccine Information Center

Visit nvicadvocacy.org

Key Findings

We analyzed Nvicadvocacy.org page load time and found that the first response time was 32 ms and then it took 134 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

nvicadvocacy.org performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.5 s

2/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

nvicadvocacy.org

32 ms

nvicadvocacy.org

37 ms

v1

66 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

56 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 75% of them (3 requests) were addressed to the original Nvicadvocacy.org, 25% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (66 ms) belongs to the original domain Nvicadvocacy.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 499.1 kB (66%)

Content Size

761.8 kB

After Optimization

262.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nvicadvocacy.org main page is 761.8 kB. This result falls within a big category (top 100 000) of medium weight web pages. Only a small number of websites need less resources to load. Javascripts take 594.1 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 9.0 kB

  • Original 15.9 kB
  • After minification 15.9 kB
  • After compression 7.0 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 9.0 kB or 56% of the original size.

Image Optimization

-13%

Potential reduce by 11.4 kB

  • Original 90.0 kB
  • After minification 78.7 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. Obviously, NVIC Advocacy needs image optimization as it can save up to 11.4 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-72%

Potential reduce by 428.5 kB

  • Original 594.1 kB
  • After minification 559.7 kB
  • After compression 165.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 428.5 kB or 72% of the original size.

CSS Optimization

-81%

Potential reduce by 50.3 kB

  • Original 61.8 kB
  • After minification 50.9 kB
  • After compression 11.4 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. Nvicadvocacy.org needs all CSS files to be minified and compressed as it can save up to 50.3 kB or 81% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • JavaScript

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of NVIC Advocacy. According to our analytics all requests are already optimized.

Network Requests Diagram

nvicadvocacy.org

nvicadvocacy.org

32 ms

nvicadvocacy.org

nvicadvocacy.org

37 ms

v1

v1

66 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

56 ms

Accessibility Review

nvicadvocacy.org accessibility score

86

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

nvicadvocacy.org best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

nvicadvocacy.org SEO score

69

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

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 Nvicadvocacy.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 Nvicadvocacy.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

nvicadvocacy.org

Open Graph description is not detected on the main page of NVIC Advocacy. 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: