Tools & Wizards About Us
ology.amnh.org screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

ology.amnh.org

OLogy: Science Website for Kids | American Museum of Natural History

Page Load Speed

744 ms in total

First Response

72 ms

Resources Loaded

465 ms

Page Rendered

207 ms

ology.amnh.org screenshot

About Website

Welcome to ology.amnh.org homepage info - get ready to check OLogy Amnh best content for United States right away, or after learning these important things about ology.amnh.org

Find out about fossils, the universe, animals, and much more! On OLogy, kids of all ages can play games, do activities, collect cards, and meet scientists.

Visit ology.amnh.org

Key Findings

We analyzed Ology.amnh.org page load time and found that the first response time was 72 ms and then it took 672 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

ology.amnh.org performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

78/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value5.4 s

57/100

10%

TBT (Total Blocking Time)

Value590 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.107

88/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

ology.amnh.org

72 ms

ology

137 ms

gtm.js

134 ms

e2d30047d246d93c2b5a3c1ac533c555_1717085343_all.css

30 ms

lazysizes_with_bg.min.js

54 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Ology.amnh.org, 94% (34 requests) were made to Amnh.org and 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (137 ms) relates to the external source Amnh.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 108.8 kB (16%)

Content Size

685.7 kB

After Optimization

576.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Ology.amnh.org main page is 685.7 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. 50% of websites need less resources to load. Images take 616.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 55.5 kB

  • Original 63.3 kB
  • After minification 48.5 kB
  • After compression 7.8 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 14.8 kB, which is 23% 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 55.5 kB or 88% of the original size.

Image Optimization

-9%

Potential reduce by 53.2 kB

  • Original 616.0 kB
  • After minification 562.8 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. OLogy Amnh images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 35 B

  • Original 6.3 kB
  • After minification 6.3 kB
  • After compression 6.3 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (33%)

Requests Now

30

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OLogy Amnh. 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.

Network Requests Diagram

ology.amnh.org

ology.amnh.org

72 ms

ology

ology

137 ms

gtm.js

gtm.js

134 ms

e2d30047d246d93c2b5a3c1ac533c555_1717085343_all.css

e2d30047d246d93c2b5a3c1ac533c555_1717085343_all.css

30 ms

lazysizes_with_bg.min.js

lazysizes_with_bg.min.js

54 ms

23f7ee4aa2053119b1c769a82c50868d_1706205520_all.css

23f7ee4aa2053119b1c769a82c50868d_1706205520_all.css

50 ms

email-decode.min.js

email-decode.min.js

39 ms

d97052201ef7a0f66913fb3c0ff719e9_1724349202.js

d97052201ef7a0f66913fb3c0ff719e9_1724349202.js

132 ms

c1215595a6c0c3c7d888031a1d57dc46_1689008925.js

c1215595a6c0c3c7d888031a1d57dc46_1689008925.js

131 ms

ls.respimg.min.js

ls.respimg.min.js

83 ms

amnh-logo-white.svg

amnh-logo-white.svg

66 ms

facebook-f_white.svg

facebook-f_white.svg

65 ms

x-twitter_white.svg

x-twitter_white.svg

64 ms

envelope_white.svg

envelope_white.svg

68 ms

google-classroom_white.svg

google-classroom_white.svg

69 ms

yellowband_desktop_2x.png

yellowband_desktop_2x.png

70 ms

ology_logo_home_desktop_2x.png

ology_logo_home_desktop_2x.png

93 ms

ology_logo_print.png

ology_logo_print.png

70 ms

bg_ology_main.gif

bg_ology_main.gif

93 ms

museum_facade_new.svg

museum_facade_new.svg

95 ms

greenlabel_2x.png

greenlabel_2x.png

94 ms

pause_white.png

pause_white.png

94 ms

apple_2x.png

apple_2x.png

98 ms

ology-app-icon.png

ology-app-icon.png

99 ms

purple-shape.svg

purple-shape.svg

100 ms

ology_card_asterisk.gif

ology_card_asterisk.gif

102 ms

ology_means_2x.png

ology_means_2x.png

103 ms

pt-sans-regular.woff

pt-sans-regular.woff

71 ms

pt-sans-700.woff

pt-sans-700.woff

79 ms

pt-sans-italic.woff

pt-sans-italic.woff

93 ms

pt-sans-700italic.woff

pt-sans-700italic.woff

82 ms

olc_077_crab_nebula_front_full_285.jpg

olc_077_crab_nebula_front_full_285.jpg

36 ms

aas-feature_full_610.png

aas-feature_full_610.png

37 ms

hero-aas-t.rex_full_610.png

hero-aas-t.rex_full_610.png

46 ms

olg_tv_milkyway-hero_full_610.jpg

olg_tv_milkyway-hero_full_610.jpg

60 ms

carousel-hero-endangered-board-game_full_610.jpg

carousel-hero-endangered-board-game_full_610.jpg

59 ms

Accessibility Review

ology.amnh.org accessibility score

67

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-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

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

ology.amnh.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

High

Page has valid source maps

SEO Factors

ology.amnh.org SEO score

83

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 Ology.amnh.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 Ology.amnh.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

ology.amnh.org

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