Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

kids.sandiegozoo.org

Home | San Diego Zoo Wildlife Explorers

Page Load Speed

1.5 sec in total

First Response

64 ms

Resources Loaded

610 ms

Page Rendered

795 ms

kids.sandiegozoo.org screenshot

About Website

Welcome to kids.sandiegozoo.org homepage info - get ready to check Kids San Diego Zoo best content for United States right away, or after learning these important things about kids.sandiegozoo.org

Visit kids.sandiegozoo.org

Key Findings

We analyzed Kids.sandiegozoo.org page load time and found that the first response time was 64 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

kids.sandiegozoo.org performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

31/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value4.9 s

64/100

10%

TBT (Total Blocking Time)

Value1,200 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

sdzwildlifeexplorers.org

64 ms

js

65 ms

google_tag.script.js

10 ms

css_KgEg-KxG_0upqM3bz8SjHEo--tYBalRBKzTYZEsAcys.css

21 ms

css__1Hspj7QrE-CSDArF5HQZmENsqrzS9v0xLukLXPxE6c.css

33 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Kids.sandiegozoo.org, 4% (3 requests) were made to Googletagmanager.com and 4% (3 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (188 ms) relates to the external source Sdzwildlifeexplorers.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 272.8 kB (5%)

Content Size

5.8 MB

After Optimization

5.5 MB

In fact, the total size of Kids.sandiegozoo.org main page is 5.8 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 5.5 MB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 61.5 kB

  • Original 83.9 kB
  • After minification 80.6 kB
  • After compression 22.4 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 61.5 kB or 73% of the original size.

Image Optimization

-3%

Potential reduce by 178.2 kB

  • Original 5.5 MB
  • After minification 5.4 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. Kids San Diego Zoo images are well optimized though.

JavaScript Optimization

-15%

Potential reduce by 18.4 kB

  • Original 121.4 kB
  • After minification 121.4 kB
  • After compression 103.0 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 18.4 kB or 15% of the original size.

CSS Optimization

-24%

Potential reduce by 14.6 kB

  • Original 61.7 kB
  • After minification 61.7 kB
  • After compression 47.1 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. Kids.sandiegozoo.org needs all CSS files to be minified and compressed as it can save up to 14.6 kB or 24% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (31%)

Requests Now

65

After Optimization

45

The browser has sent 65 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kids San Diego 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 11 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kids.sandiegozoo.org accessibility score

90

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

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

Image elements do not have [alt] attributes

Best Practices

kids.sandiegozoo.org best practices score

75

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kids.sandiegozoo.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

Image elements do not have [alt] attributes

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 Kids.sandiegozoo.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 Kids.sandiegozoo.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 Kids San Diego 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: