Report Summary

  • 53

    Performance

    Renders faster than
    72% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 85% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

vilaszoo.org

Welcome to Henry Vilas Zoo | Madison, Wisconsin

Page Load Speed

1 sec in total

First Response

231 ms

Resources Loaded

611 ms

Page Rendered

199 ms

vilaszoo.org screenshot

About Website

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

The Henry Vilas Zoo is an admission-free, community supported zoo in Dane County, WI. Learn more about our zoo, animals & values today.

Visit vilaszoo.org

Key Findings

We analyzed Vilaszoo.org page load time and found that the first response time was 231 ms and then it took 810 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

vilaszoo.org performance score

53

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

44/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value8.0 s

42/100

10%

Network Requests Diagram

vilaszoo.org

231 ms

root.css

50 ms

swfobject.js

57 ms

urchin.js

79 ms

classic-081711.css

35 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 83% of them (34 requests) were addressed to the original Vilaszoo.org, 5% (2 requests) were made to Staticxx.facebook.com and 2% (1 request) were made to Cdn-images.mailchimp.com. The less responsive or slowest element that took the longest time to load (255 ms) belongs to the original domain Vilaszoo.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 195.6 kB (53%)

Content Size

371.2 kB

After Optimization

175.6 kB

In fact, the total size of Vilaszoo.org main page is 371.2 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. 35% of websites need less resources to load. Javascripts take 178.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.3 kB

  • Original 29.8 kB
  • After minification 28.3 kB
  • After compression 6.5 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 23.3 kB or 78% of the original size.

Image Optimization

-26%

Potential reduce by 39.1 kB

  • Original 148.1 kB
  • After minification 109.0 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, Vilas Zoo needs image optimization as it can save up to 39.1 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 121.0 kB

  • Original 178.3 kB
  • After minification 170.4 kB
  • After compression 57.2 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 121.0 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 12.1 kB

  • Original 15.1 kB
  • After minification 9.3 kB
  • After compression 2.9 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. Vilaszoo.org needs all CSS files to be minified and compressed as it can save up to 12.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (13%)

Requests Now

40

After Optimization

35

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vilas Zoo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

vilaszoo.org accessibility score

94

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

vilaszoo.org best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

vilaszoo.org SEO score

92

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vilaszoo.org can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vilaszoo.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 description is not detected on the main page of Vilas Zoo. 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: