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perotmuseum.org screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

perotmuseum.org

Perot Museum of Nature and Science

Page Load Speed

1.9 sec in total

First Response

86 ms

Resources Loaded

1.3 sec

Page Rendered

519 ms

perotmuseum.org screenshot

About Website

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

Everything from dinosaurs to DNA to diamonds are packed into five levels of hands-on discovery and adventure. Prepare to amaze your brain.

Visit perotmuseum.org

Key Findings

We analyzed Perotmuseum.org page load time and found that the first response time was 86 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

perotmuseum.org performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

63/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value5.2 s

60/100

10%

TBT (Total Blocking Time)

Value990 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0.493

17/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

perotmuseum.org

86 ms

www.perotmuseum.org

154 ms

global.css

117 ms

perot.css

77 ms

modernizr.min.js

82 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 58% of them (47 requests) were addressed to the original Perotmuseum.org, 10% (8 requests) were made to Maps.googleapis.com and 4% (3 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (695 ms) belongs to the original domain Perotmuseum.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (30%)

Content Size

4.5 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Perotmuseum.org main page is 4.5 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.3 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 96.5 kB

  • Original 111.0 kB
  • After minification 68.3 kB
  • After compression 14.5 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. This page needs HTML code to be minified as it can gain 42.6 kB, which is 38% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 96.5 kB or 87% of the original size.

Image Optimization

-13%

Potential reduce by 421.6 kB

  • Original 3.3 MB
  • After minification 2.9 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. Obviously, Perot Museum needs image optimization as it can save up to 421.6 kB or 13% 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 581.7 kB

  • Original 857.0 kB
  • After minification 762.6 kB
  • After compression 275.3 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 581.7 kB or 68% of the original size.

CSS Optimization

-87%

Potential reduce by 235.7 kB

  • Original 271.6 kB
  • After minification 216.2 kB
  • After compression 35.9 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. Perotmuseum.org needs all CSS files to be minified and compressed as it can save up to 235.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (43%)

Requests Now

72

After Optimization

41

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Perot Museum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

perotmuseum.org

perotmuseum.org

86 ms

www.perotmuseum.org

www.perotmuseum.org

154 ms

global.css

global.css

117 ms

perot.css

perot.css

77 ms

modernizr.min.js

modernizr.min.js

82 ms

preloader.min.js

preloader.min.js

78 ms

plugins.min.js

plugins.min.js

178 ms

jquery.loader.js

jquery.loader.js

78 ms

actions.js

actions.js

177 ms

js

js

85 ms

conversion.js

conversion.js

26 ms

gtm.js

gtm.js

91 ms

activityi;src=3864690;type=count551;cat=perot727;ord=6970065722707.659

activityi;src=3864690;type=count551;cat=perot727;ord=6970065722707.659

47 ms

bg-all.jpg

bg-all.jpg

369 ms

bg-top.png

bg-top.png

46 ms

perot-logo-nav-white.png

perot-logo-nav-white.png

49 ms

Perot-Logo.png

Perot-Logo.png

46 ms

sprite-bullets.png

sprite-bullets.png

222 ms

sprite-global.png

sprite-global.png

551 ms

20151221-SpringBreak-HomePageTile-3.jpg

20151221-SpringBreak-HomePageTile-3.jpg

299 ms

160215-HPT8Tile-SpkrSeries-105110-v2-KC.png

160215-HPT8Tile-SpkrSeries-105110-v2-KC.png

341 ms

20140130_membership_Homepage_FeatureCube_3.png

20140130_membership_Homepage_FeatureCube_3.png

223 ms

20150618-Dallas-Citypass-Homepage-Tile.jpg

20150618-Dallas-Citypass-Homepage-Tile.jpg

340 ms

Summer_3Dfilms_yellow.jpg

Summer_3Dfilms_yellow.jpg

301 ms

Samsung-tablet-feature-cube.jpg

Samsung-tablet-feature-cube.jpg

367 ms

home-tile-host-event.jpg

home-tile-host-event.jpg

341 ms

volunteer_tile.jpg

volunteer_tile.jpg

387 ms

newton-first-diagram.png

newton-first-diagram.png

367 ms

FTLN.png

FTLN.png

567 ms

NatGeoSpeakerSeries.png

NatGeoSpeakerSeries.png

512 ms

Discovery-Days-Member.jpg

Discovery-Days-Member.jpg

440 ms

DiscoDays.png

DiscoDays.png

595 ms

Sleepovers.png

Sleepovers.png

550 ms

eye-of-the-collector-member.jpg

eye-of-the-collector-member.jpg

512 ms

SocialScience.png

SocialScience.png

621 ms

tiny-giants-web.jpg

tiny-giants-web.jpg

628 ms

journey-to-space-web.jpg

journey-to-space-web.jpg

658 ms

seaMonsters.jpg

seaMonsters.jpg

622 ms

home-social-bg.png

home-social-bg.png

603 ms

sprite-frequency.png

sprite-frequency.png

626 ms

social-frequency-lines.png

social-frequency-lines.png

643 ms

volunteer-10-2013.jpg

volunteer-10-2013.jpg

662 ms

event-rental-hmpg-ad-v1.jpg

event-rental-hmpg-ad-v1.jpg

662 ms

moon-waning-gibbous.png

moon-waning-gibbous.png

667 ms

drG.js

drG.js

32 ms

Overpass-Regular.woff

Overpass-Regular.woff

664 ms

Overpass-Light.woff

Overpass-Light.woff

694 ms

Overpass-ExtraLight.woff

Overpass-ExtraLight.woff

695 ms

widgets.js

widgets.js

188 ms

plusone.js

plusone.js

267 ms

all.js

all.js

242 ms

dc.js

dc.js

51 ms

206 ms

WRc9.js

WRc9.js

102 ms

Overpass-Bold.woff

Overpass-Bold.woff

676 ms

2176.js

2176.js

182 ms

pixel

pixel

262 ms

sgtracker.js

sgtracker.js

158 ms

__utm.gif

__utm.gif

85 ms

fbds.js

fbds.js

189 ms

22066B_0_0.woff

22066B_0_0.woff

560 ms

common.js

common.js

75 ms

util.js

util.js

157 ms

geocoder.js

geocoder.js

120 ms

marker.js

marker.js

119 ms

map.js

map.js

120 ms

geometry.js

geometry.js

118 ms

poly.js

poly.js

152 ms

jquery.cookie.js

jquery.cookie.js

511 ms

ksuyyvjf.js

ksuyyvjf.js

78 ms

96 ms

pixel

pixel

63 ms

83 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

45 ms

__utm.gif

__utm.gif

34 ms

xd_arbiter.php

xd_arbiter.php

153 ms

xd_arbiter.php

xd_arbiter.php

262 ms

30 ms

print.css

print.css

41 ms

2 ms

xd_arbiter.php

xd_arbiter.php

78 ms

Accessibility Review

perotmuseum.org accessibility score

77

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

perotmuseum.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

SEO Factors

perotmuseum.org SEO score

77

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

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 Perotmuseum.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 Perotmuseum.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

perotmuseum.org

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