Tools & Wizards About Us
chladisastercenter.org screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

chladisastercenter.org

Pediatric Disaster Resource and Training Center | Children’s Hospital Los Angeles

Page Load Speed

4.4 sec in total

First Response

62 ms

Resources Loaded

3.4 sec

Page Rendered

929 ms

chladisastercenter.org screenshot

About Website

Welcome to chladisastercenter.org homepage info - get ready to check Chla Disaster Center best content right away, or after learning these important things about chladisastercenter.org

The Pediatric Disaster Resource and Training Center (PDRTC) at Children's Hospital Los Angeles expanded in 2008, with funding from the U.S. Department of Health and Human Services. The goal of th...

Visit chladisastercenter.org

Key Findings

We analyzed Chladisastercenter.org page load time and found that the first response time was 62 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

chladisastercenter.org performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value5.8 s

50/100

10%

TBT (Total Blocking Time)

Value280 ms

81/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.0 s

21/100

10%

Network Requests Diagram

chladisastercenter.org

62 ms

pediatric-disaster-resource-and-training-center

406 ms

css__1oitY7TGhyxSvDUaTOXT91MMik-UcnD4cNQenCoSSr8__SSSWSSoV5hpIVmoCqigcrjTuBxTkJEeHZQMyPcr6T5Q__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

103 ms

css__MBNBr4IhVK2BEGNBcHZy5BHvEHvRBgwdAxdEHMID0LU__1D03VvadZRfgEvK-ShppxGLWw-JsE7lK8E8C5VOThVM__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

175 ms

css__Wi_Bjh3hfMMwSqTdjHm5GvVp8tag2vSjRldN_FEuHeQ__Z9AXZJTY0pEQ1fV_-qIowUh4Jsfq-LJE7rozga9j0B0__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

303 ms

Our browser made a total of 71 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Chladisastercenter.org, 34% (24 requests) were made to Chla.org and 10% (7 requests) were made to D.adroll.com. The less responsive or slowest element that took the longest time to load (691 ms) relates to the external source Analytics.xscreenattribution.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 121.5 kB (27%)

Content Size

455.0 kB

After Optimization

333.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Chladisastercenter.org main page is 455.0 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. 60% of websites need less resources to load. Javascripts take 207.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 72.3 kB

  • Original 96.2 kB
  • After minification 93.7 kB
  • After compression 24.0 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 72.3 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 2.1 kB

  • Original 104.5 kB
  • After minification 102.4 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. Chla Disaster Center images are well optimized though.

JavaScript Optimization

-23%

Potential reduce by 47.2 kB

  • Original 207.6 kB
  • After minification 207.5 kB
  • After compression 160.4 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 47.2 kB or 23% of the original size.

CSS Optimization

-0%

Potential reduce by 58 B

  • Original 46.7 kB
  • After minification 46.7 kB
  • After compression 46.6 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. Chladisastercenter.org has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 39 (70%)

Requests Now

56

After Optimization

17

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chla Disaster Center. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

chladisastercenter.org

chladisastercenter.org

62 ms

pediatric-disaster-resource-and-training-center

pediatric-disaster-resource-and-training-center

406 ms

css__1oitY7TGhyxSvDUaTOXT91MMik-UcnD4cNQenCoSSr8__SSSWSSoV5hpIVmoCqigcrjTuBxTkJEeHZQMyPcr6T5Q__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

css__1oitY7TGhyxSvDUaTOXT91MMik-UcnD4cNQenCoSSr8__SSSWSSoV5hpIVmoCqigcrjTuBxTkJEeHZQMyPcr6T5Q__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

103 ms

css__MBNBr4IhVK2BEGNBcHZy5BHvEHvRBgwdAxdEHMID0LU__1D03VvadZRfgEvK-ShppxGLWw-JsE7lK8E8C5VOThVM__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

css__MBNBr4IhVK2BEGNBcHZy5BHvEHvRBgwdAxdEHMID0LU__1D03VvadZRfgEvK-ShppxGLWw-JsE7lK8E8C5VOThVM__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

175 ms

css__Wi_Bjh3hfMMwSqTdjHm5GvVp8tag2vSjRldN_FEuHeQ__Z9AXZJTY0pEQ1fV_-qIowUh4Jsfq-LJE7rozga9j0B0__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

css__Wi_Bjh3hfMMwSqTdjHm5GvVp8tag2vSjRldN_FEuHeQ__Z9AXZJTY0pEQ1fV_-qIowUh4Jsfq-LJE7rozga9j0B0__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.css

303 ms

js__SlxZR0T0y0knhPGspoKKlEQqbk_RdNNsHwLrlCQRTSo__2RjVraIGBB-IFIoeZX-HYju0cEjlb3PvAo3BRNhJi60__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

js__SlxZR0T0y0knhPGspoKKlEQqbk_RdNNsHwLrlCQRTSo__2RjVraIGBB-IFIoeZX-HYju0cEjlb3PvAo3BRNhJi60__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

303 ms

js__8bqmdrmgtCVZyv6Col4xJS4oJ_A6TxrYv7QnKvFnSxs__lZr8Vw-OXpROsLXs7y5LpbUBGIBgMyRJ6kWq2RyeT6Q__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

js__8bqmdrmgtCVZyv6Col4xJS4oJ_A6TxrYv7QnKvFnSxs__lZr8Vw-OXpROsLXs7y5LpbUBGIBgMyRJ6kWq2RyeT6Q__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

397 ms

js__90I4p4uwmBMDF9d2I9w8Pw8-CPXsjAArX21HKAevIfk__61d3j3wnYoOpuGaIBFK2orajgRI8xGwL6FEcJRjHqjU__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

js__90I4p4uwmBMDF9d2I9w8Pw8-CPXsjAArX21HKAevIfk__61d3j3wnYoOpuGaIBFK2orajgRI8xGwL6FEcJRjHqjU__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

301 ms

js__Bz1Zh3rEnmltkE7KuRuStb85f9p2HwiD60HCKGvodkE__KUTOaAJ-3aLDhjS5GvebcbP6wQvYRURqEfvAF6X1P1o__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

js__Bz1Zh3rEnmltkE7KuRuStb85f9p2HwiD60HCKGvodkE__KUTOaAJ-3aLDhjS5GvebcbP6wQvYRURqEfvAF6X1P1o__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

301 ms

3221.js

3221.js

107 ms

js__Afy5arGtXk_sA8SGFiwaeUW-3PNfnuSga7xQRTg5cbg__iuj7e2pqk2AdjcFBB6t1PFmwufVpb2VJEIZf-XQYQj0__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

js__Afy5arGtXk_sA8SGFiwaeUW-3PNfnuSga7xQRTg5cbg__iuj7e2pqk2AdjcFBB6t1PFmwufVpb2VJEIZf-XQYQj0__f2nmmcjMZ7sMscZOSV0Gi9gxHF-OSNFuwb1BtfBQWQw.js

281 ms

CHLAUmbrellaCTV.js

CHLAUmbrellaCTV.js

110 ms

share

share

265 ms

share

share

297 ms

share

share

368 ms

css2

css2

179 ms

analytics.js

analytics.js

460 ms

bg-header.jpg

bg-header.jpg

275 ms

logo.png

logo.png

128 ms

CHLA-Disaster-Preparedness-328228826.jpg

CHLA-Disaster-Preparedness-328228826.jpg

199 ms

DisasterPreparedness-300x214.jpg

DisasterPreparedness-300x214.jpg

132 ms

signup-icon.png

signup-icon.png

131 ms

award-american-nurses-footer-icon.png

award-american-nurses-footer-icon.png

128 ms

Badge-ChildrensHospitals-Honor-Roll_2022-23_Footer.png

Badge-ChildrensHospitals-Honor-Roll_2022-23_Footer.png

160 ms

icon-facebook.png

icon-facebook.png

84 ms

icon-twitter.png

icon-twitter.png

89 ms

icon-linkedin.png

icon-linkedin.png

84 ms

icon-instagram.png

icon-instagram.png

84 ms

icon-youtube.png

icon-youtube.png

88 ms

fa-light-300.woff

fa-light-300.woff

399 ms

fa-regular-400.woff

fa-regular-400.woff

409 ms

fa-solid-900.woff

fa-solid-900.woff

407 ms

js

js

38 ms

www.chla.org.json

www.chla.org.json

27 ms

gtm.js

gtm.js

161 ms

a18bb0e21d11a839b7adb013c92ee611.js

a18bb0e21d11a839b7adb013c92ee611.js

73 ms

nr-1216.min.js

nr-1216.min.js

410 ms

roundtrip.js

roundtrip.js

508 ms

www.chla.org.json

www.chla.org.json

217 ms

collect

collect

213 ms

matomo.js

matomo.js

691 ms

up_loader.1.1.0.js

up_loader.1.1.0.js

380 ms

fbevents.js

fbevents.js

300 ms

6d242f94ae

6d242f94ae

313 ms

collect

collect

229 ms

336188359867197

336188359867197

121 ms

index.js

index.js

52 ms

TZERTKJNC5EU7HHMPICCWB

TZERTKJNC5EU7HHMPICCWB

77 ms

up

up

216 ms

ga-audiences

ga-audiences

215 ms

113 ms

YCNBYG7KVFH7POWCKGR443.js

YCNBYG7KVFH7POWCKGR443.js

5 ms

1558531627714731

1558531627714731

81 ms

out

out

78 ms

out

out

132 ms

out

out

134 ms

out

out

132 ms

out

out

131 ms

matomo.php

matomo.php

137 ms

universal_pixel.1.1.0.js

universal_pixel.1.1.0.js

53 ms

sync

sync

238 ms

pixel

pixel

202 ms

pixel

pixel

210 ms

generic

generic

19 ms

sd

sd

19 ms

pixel

pixel

31 ms

pixel

pixel

45 ms

google

google

28 ms

appnexus

appnexus

35 ms

in

in

19 ms

bounce

bounce

26 ms

Accessibility Review

chladisastercenter.org accessibility score

74

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

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

High

[aria-*] attributes do not have valid values

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

chladisastercenter.org best practices score

58

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

chladisastercenter.org SEO score

80

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

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 Chladisastercenter.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 Chladisastercenter.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

chladisastercenter.org

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