Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

ology.amnh.org

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

Page Load Speed

3 sec in total

First Response

55 ms

Resources Loaded

1.7 sec

Page Rendered

1.2 sec

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 55 ms and then it took 3 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

ology.amnh.org performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

87/100

10%

LCP (Largest Contentful Paint)

Value4.2 s

44/100

25%

SI (Speed Index)

Value4.2 s

78/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.028

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

ology.amnh.org

55 ms

58 ms

ology

39 ms

gtm.js

83 ms

e2d30047d246d93c2b5a3c1ac533c555_1662653778_all.css

32 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Ology.amnh.org, 78% (51 requests) were made to Amnh.org and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (460 ms) relates to the external source Static.hotjar.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 54.0 kB (13%)

Content Size

404.6 kB

After Optimization

350.5 kB

In fact, the total size of Ology.amnh.org main page is 404.6 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. 55% of websites need less resources to load. Images take 314.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 53.6 kB

  • Original 63.0 kB
  • After minification 46.2 kB
  • After compression 9.4 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. This page needs HTML code to be minified as it can gain 16.8 kB, which is 27% 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 53.6 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 392 B

  • Original 314.3 kB
  • After minification 313.9 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

-0%

Potential reduce by 85 B

  • Original 27.3 kB
  • After minification 27.3 kB
  • After compression 27.2 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 11 (19%)

Requests Now

57

After Optimization

46

The browser has sent 57 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 12 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

ology.amnh.org accessibility score

75

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

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

75

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

Browser errors were logged to the console

SEO Factors

ology.amnh.org SEO score

91

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

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

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: