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brookfieldzoo.org screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

brookfieldzoo.org

Brookfield Zoo Chicago - Connect. Care. Conserve.

Page Load Speed

2.7 sec in total

First Response

104 ms

Resources Loaded

1.9 sec

Page Rendered

679 ms

brookfieldzoo.org screenshot

About Website

Welcome to brookfieldzoo.org homepage info - get ready to check Brookfield Zoo best content for United States right away, or after learning these important things about brookfieldzoo.org

The mission of Brookfield Zoo Chicago is to inspire conservation leadership by connecting people with wildlife and nature.

Visit brookfieldzoo.org

Key Findings

We analyzed Brookfieldzoo.org page load time and found that the first response time was 104 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

brookfieldzoo.org performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

31/100

25%

SI (Speed Index)

Value11.6 s

4/100

10%

TBT (Total Blocking Time)

Value2,070 ms

7/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value22.9 s

1/100

10%

Network Requests Diagram

brookfieldzoo.org

104 ms

brookfieldzoo.org

181 ms

GetResource.ashx

113 ms

msh8lst.js

54 ms

jquery-ui.min.css

53 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 56% of them (63 requests) were addressed to the original Brookfieldzoo.org, 8% (9 requests) were made to Cdnjs.cloudflare.com and 6% (7 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (753 ms) relates to the external source Czs.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.7 kB (5%)

Content Size

4.1 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Brookfieldzoo.org main page is 4.1 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. Only a small number of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 73.6 kB

  • Original 99.1 kB
  • After minification 94.2 kB
  • After compression 25.5 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 73.6 kB or 74% of the original size.

Image Optimization

-3%

Potential reduce by 121.0 kB

  • Original 3.6 MB
  • After minification 3.5 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. Brookfield Zoo images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 12.8 kB

  • Original 334.6 kB
  • After minification 334.6 kB
  • After compression 321.8 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

-1%

Potential reduce by 410 B

  • Original 59.5 kB
  • After minification 59.4 kB
  • After compression 59.1 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. Brookfieldzoo.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 48 (62%)

Requests Now

78

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Brookfield 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 43 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

brookfieldzoo.org

brookfieldzoo.org

104 ms

brookfieldzoo.org

brookfieldzoo.org

181 ms

GetResource.ashx

GetResource.ashx

113 ms

msh8lst.js

msh8lst.js

54 ms

jquery-ui.min.css

jquery-ui.min.css

53 ms

style.css

style.css

109 ms

Flexisel.css

Flexisel.css

141 ms

jquery.min.js

jquery.min.js

46 ms

jquery-ui.min.js

jquery-ui.min.js

49 ms

CZSCommon.js

CZSCommon.js

176 ms

jquery.maskedinput.min.js

jquery.maskedinput.min.js

50 ms

jquery.nivo.slider.pack.min.js

jquery.nivo.slider.pack.min.js

48 ms

jquery.flexisel.min.js

jquery.flexisel.min.js

48 ms

html5shiv.min.js

html5shiv.min.js

64 ms

jquery.bxslider.min.js

jquery.bxslider.min.js

71 ms

mootools-core.min.js

mootools-core.min.js

63 ms

jquery.flexisel.js

jquery.flexisel.js

174 ms

js

js

63 ms

GetResource.ashx

GetResource.ashx

191 ms

GetResource.ashx

GetResource.ashx

192 ms

WebResource.axd

WebResource.axd

217 ms

GetResource.ashx

GetResource.ashx

219 ms

GetResource.ashx

GetResource.ashx

217 ms

GetResource.ashx

GetResource.ashx

216 ms

ChatSettings.ashx

ChatSettings.ashx

216 ms

GetResource.ashx

GetResource.ashx

216 ms

GetResource.ashx

GetResource.ashx

270 ms

GetResource.ashx

GetResource.ashx

271 ms

GetResource.ashx

GetResource.ashx

270 ms

GetResource.ashx

GetResource.ashx

270 ms

GetResource.ashx

GetResource.ashx

269 ms

ScriptResource.axd

ScriptResource.axd

269 ms

ScriptResource.axd

ScriptResource.axd

323 ms

ScriptResource.axd

ScriptResource.axd

324 ms

ScriptResource.axd

ScriptResource.axd

325 ms

ScriptResource.axd

ScriptResource.axd

322 ms

js

js

322 ms

gtm.js

gtm.js

94 ms

gtm.js

gtm.js

148 ms

analytics.js

analytics.js

137 ms

142 ms

tiger.aspx

tiger.aspx

408 ms

logo.aspx

logo.aspx

134 ms

cart-icon.png

cart-icon.png

142 ms

search-icon.aspx

search-icon.aspx

145 ms

left-image.aspx

left-image.aspx

145 ms

bird.aspx

bird.aspx

142 ms

tiger.aspx

tiger.aspx

144 ms

homepage-social-square.aspx

homepage-social-square.aspx

388 ms

new-logo.aspx

new-logo.aspx

389 ms

HumaneCertified.aspx

HumaneCertified.aspx

195 ms

ZooAquariums.aspx

ZooAquariums.aspx

194 ms

ForestPreserves.aspx

ForestPreserves.aspx

195 ms

22RSC_ArbNet_BadgeLevels_Level2_BLACK.png.aspx

22RSC_ArbNet_BadgeLevels_Level2_BLACK.png.aspx

194 ms

js

js

98 ms

adelphic_universal_pixel.js

adelphic_universal_pixel.js

291 ms

fbevents.js

fbevents.js

220 ms

a4759cf7-0184-4ae7-a7cb-4e129417338f.png

a4759cf7-0184-4ae7-a7cb-4e129417338f.png

258 ms

pixel

pixel

286 ms

3c9fda33-d415-425e-aa85-1d17fbc6a57b.png

3c9fda33-d415-425e-aa85-1d17fbc6a57b.png

380 ms

cddc92b7-9955-48fe-9aea-db3c061a97eb.png

cddc92b7-9955-48fe-9aea-db3c061a97eb.png

245 ms

c8e5f25c-bbfa-461c-a9f0-850caa346650.png

c8e5f25c-bbfa-461c-a9f0-850caa346650.png

247 ms

f7cdf231-750b-41c0-ad92-9713c75d3427_720_720.png

f7cdf231-750b-41c0-ad92-9713c75d3427_720_720.png

476 ms

collect

collect

233 ms

desktop-header-bg2.aspx

desktop-header-bg2.aspx

218 ms

shopping-cart-icon.aspx

shopping-cart-icon.aspx

218 ms

search.png

search.png

215 ms

842ce2f7-1bcd-4ea5-9bb1-ed28c7fa670d_91_29.png

842ce2f7-1bcd-4ea5-9bb1-ed28c7fa670d_91_29.png

241 ms

d9231095-0713-40f5-8e81-d7746d47a981_90_52.png

d9231095-0713-40f5-8e81-d7746d47a981_90_52.png

240 ms

fcd01f8e-8f20-4549-be43-8bd498ebcb01_81_45.png

fcd01f8e-8f20-4549-be43-8bd498ebcb01_81_45.png

241 ms

bd6aadd8-58d5-4f7d-84d9-3c2c5f8d1744_77_37.png

bd6aadd8-58d5-4f7d-84d9-3c2c5f8d1744_77_37.png

327 ms

jhWz44lDFEM

jhWz44lDFEM

317 ms

iframe_api

iframe_api

194 ms

4599fbdc-60c9-4e70-a224-87adb9faf3d9.jpg

4599fbdc-60c9-4e70-a224-87adb9faf3d9.jpg

147 ms

46807721-5d8b-4736-ab64-15760b205d82.png

46807721-5d8b-4736-ab64-15760b205d82.png

136 ms

tiger.aspx

tiger.aspx

730 ms

471d136e-67b3-4e6f-9999-9ed464918561.png

471d136e-67b3-4e6f-9999-9ed464918561.png

216 ms

27607381-97dc-49ee-a20f-2eaf8cfb52c2.png

27607381-97dc-49ee-a20f-2eaf8cfb52c2.png

121 ms

collect

collect

116 ms

js

js

111 ms

e9ab5a3c-095e-4467-8c75-562ddeb7151d.png

e9ab5a3c-095e-4467-8c75-562ddeb7151d.png

115 ms

homepage-social-square.aspx

homepage-social-square.aspx

753 ms

pixel

pixel

95 ms

BrookfieldZoo_Footer3.aspx

BrookfieldZoo_Footer3.aspx

191 ms

GetSupportEngineersOnlineCount

GetSupportEngineersOnlineCount

199 ms

sn.ashx

sn.ashx

588 ms

www-player.css

www-player.css

93 ms

www-embed-player.js

www-embed-player.js

113 ms

base.js

base.js

173 ms

d

d

137 ms

d

d

151 ms

d

d

367 ms

d

d

564 ms

d

d

590 ms

d

d

369 ms

www-widgetapi.js

www-widgetapi.js

74 ms

b0fe97dc-e171-4945-826b-a46736ca98e3.png

b0fe97dc-e171-4945-826b-a46736ca98e3.png

549 ms

bg_button.png

bg_button.png

436 ms

id

id

297 ms

ad_status.js

ad_status.js

283 ms

OfRUkPbLLmIJHiz0sRQ6wXEqxeMXOYMNgt9OZuziQhg.js

OfRUkPbLLmIJHiz0sRQ6wXEqxeMXOYMNgt9OZuziQhg.js

198 ms

embed.js

embed.js

89 ms

p.gif

p.gif

70 ms

c8e5f25c-bbfa-461c-a9f0-850caa346650.png

c8e5f25c-bbfa-461c-a9f0-850caa346650.png

263 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

60 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

67 ms

homepage-social-square.aspx

homepage-social-square.aspx

251 ms

sn.ashx

sn.ashx

20 ms

Create

Create

118 ms

g.pixel

g.pixel

189 ms

4599fbdc-60c9-4e70-a224-87adb9faf3d9.jpg

4599fbdc-60c9-4e70-a224-87adb9faf3d9.jpg

59 ms

GenerateIT

GenerateIT

15 ms

Accessibility Review

brookfieldzoo.org accessibility score

83

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

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

Links do not have a discernible name

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

brookfieldzoo.org best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

brookfieldzoo.org SEO score

83

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

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 Brookfieldzoo.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 Brookfieldzoo.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

brookfieldzoo.org

Open Graph description is not detected on the main page of Brookfield 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: