Report Summary

  • 2

    Performance

    Renders faster than
    20% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

nvusd.org

Napa Valley Unified School District | Best Schools in Napa and American Canyon

Page Load Speed

1.4 sec in total

First Response

30 ms

Resources Loaded

1.1 sec

Page Rendered

265 ms

nvusd.org screenshot

About Website

Visit nvusd.org now to see the best up-to-date Nvusd content for United States and also check out these interesting facts you probably never knew about nvusd.org

Home - Napa Valley Unified School District offers an expansive education from TK to 12th grade in Napa Valley. Discover our comprehensive curriculum and community support for student success.

Visit nvusd.org

Key Findings

We analyzed Nvusd.org page load time and found that the first response time was 30 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

nvusd.org performance score

2

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value13.3 s

0/100

25%

SI (Speed Index)

Value20.3 s

0/100

10%

TBT (Total Blocking Time)

Value4,350 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value1.037

2/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

nvusd.org

30 ms

www.nvusd.org

155 ms

gtm.js

60 ms

gtm.js

103 ms

application-8a6974b9ca597441c80ec02a3f2c0684264e54deb446923b33acaa969f229684.css

115 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that 54% of them (13 requests) were addressed to the original Nvusd.org, 8% (2 requests) were made to Googletagmanager.com and 8% (2 requests) were made to Pagecorrect.monsido.com. The less responsive or slowest element that took the longest time to load (362 ms) belongs to the original domain Nvusd.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.9 kB (11%)

Content Size

976.9 kB

After Optimization

866.0 kB

In fact, the total size of Nvusd.org main page is 976.9 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. 45% of websites need less resources to load. Javascripts take 725.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 110.6 kB

  • Original 129.8 kB
  • After minification 127.5 kB
  • After compression 19.2 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. 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 110.6 kB or 85% of the original size.

JavaScript Optimization

-0%

Potential reduce by 74 B

  • Original 725.9 kB
  • After minification 725.9 kB
  • After compression 725.8 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 210 B

  • Original 121.3 kB
  • After minification 121.3 kB
  • After compression 121.0 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. Nvusd.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 15 (75%)

Requests Now

20

After Optimization

5

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nvusd. 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 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nvusd.org accessibility score

71

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-hidden="true"] elements contain focusable descendents

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

nvusd.org best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

nvusd.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 Nvusd.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 Nvusd.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

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