Tools & Wizards About Us
madscience.com screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 70

    SEO

    Google-friendlier than
    29% of websites

madscience.com

STEM Education | Activities for Kids | Mad Science HQ

Page Load Speed

1.5 sec in total

First Response

93 ms

Resources Loaded

941 ms

Page Rendered

420 ms

madscience.com screenshot

About Website

Click here to check amazing Mad Science content. Otherwise, check out these important facts you probably never knew about madscience.com

Mad Science is the world’s leading science enrichment provider. We deliver unique science experiences for children. Explore what Mad Science has to offer!

Visit madscience.com

Key Findings

We analyzed Madscience.com page load time and found that the first response time was 93 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

madscience.com performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value9.6 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value730 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.727

6/100

15%

TTI (Time to Interactive)

Value14.6 s

8/100

10%

Network Requests Diagram

madscience.org

93 ms

madscience.org

175 ms

jquery-ui.min.css

61 ms

css

82 ms

css

86 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Madscience.com, 17% (9 requests) were made to Cdnjs.cloudflare.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (412 ms) relates to the external source Madscience.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 58.8 kB (2%)

Content Size

2.6 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Madscience.com main page is 2.6 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 35.5 kB

  • Original 47.0 kB
  • After minification 43.7 kB
  • After compression 11.4 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 35.5 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 21.6 kB

  • Original 2.4 MB
  • After minification 2.4 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. Mad Science images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.1 kB

  • Original 219.9 kB
  • After minification 219.9 kB
  • After compression 218.8 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.

CSS Optimization

-58%

Potential reduce by 593 B

  • Original 1.0 kB
  • After minification 901 B
  • After compression 424 B

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. Madscience.com needs all CSS files to be minified and compressed as it can save up to 593 B or 58% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (46%)

Requests Now

41

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mad Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

madscience.org

madscience.org

93 ms

madscience.org

madscience.org

175 ms

jquery-ui.min.css

jquery-ui.min.css

61 ms

css

css

82 ms

css

css

86 ms

minifiedsci2019.css

minifiedsci2019.css

54 ms

jquery.min.js

jquery.min.js

56 ms

jquery.easing.min.js

jquery.easing.min.js

58 ms

popper.min.js

popper.min.js

59 ms

bootstrap.min.js

bootstrap.min.js

57 ms

slick.min.js

slick.min.js

56 ms

jquery-ui.min.js

jquery-ui.min.js

82 ms

api.js

api.js

82 ms

jquery.validate.min.js

jquery.validate.min.js

79 ms

additional-methods.min.js

additional-methods.min.js

81 ms

minifiedsci2019.js

minifiedsci2019.js

54 ms

jquery.ihavecookies.min.js

jquery.ihavecookies.min.js

54 ms

cookies.css

cookies.css

54 ms

js

js

211 ms

fbevents.js

fbevents.js

158 ms

recaptcha__en.js

recaptcha__en.js

189 ms

gtm.js

gtm.js

158 ms

logo-ms.png

logo-ms.png

149 ms

ead868af-dc85-48f0-b795-384418d2815e.jpg

ead868af-dc85-48f0-b795-384418d2815e.jpg

131 ms

3b7ce6bb-21a4-485f-9344-9a0fcd023d42.jpg

3b7ce6bb-21a4-485f-9344-9a0fcd023d42.jpg

135 ms

7252e0a0-22f2-4138-a246-94aa97596616.jpg

7252e0a0-22f2-4138-a246-94aa97596616.jpg

133 ms

007928ab-1ea8-4fa5-8116-08c873d82c1a.png

007928ab-1ea8-4fa5-8116-08c873d82c1a.png

166 ms

72a2d1ce-9df8-4789-bd75-5d5cf47f4a96.jpg

72a2d1ce-9df8-4789-bd75-5d5cf47f4a96.jpg

138 ms

1f1d014a-6c12-46e2-a9c7-0de34d622a2d.jpg

1f1d014a-6c12-46e2-a9c7-0de34d622a2d.jpg

139 ms

50ea804e-fd36-44ff-aaea-18578a92d46e.jpg

50ea804e-fd36-44ff-aaea-18578a92d46e.jpg

139 ms

34513a44-4d21-41f1-9963-c2287b474e6f.jpg

34513a44-4d21-41f1-9963-c2287b474e6f.jpg

138 ms

371f2f02-2747-482b-af2d-81faf45f392e.jpg

371f2f02-2747-482b-af2d-81faf45f392e.jpg

138 ms

3d549a0c-ed67-4463-8ba7-7a2d816f86f9.jpg

3d549a0c-ed67-4463-8ba7-7a2d816f86f9.jpg

168 ms

85146e96-8905-44ae-b5cf-5fe8cc845294.jpg

85146e96-8905-44ae-b5cf-5fe8cc845294.jpg

167 ms

logo-ms-white.png

logo-ms-white.png

167 ms

icon-pencil.png

icon-pencil.png

163 ms

icon-facebook.png

icon-facebook.png

166 ms

icon-twitter.png

icon-twitter.png

168 ms

icon-youtube.png

icon-youtube.png

221 ms

icon-instagram.png

icon-instagram.png

169 ms

icon-linkedin.png

icon-linkedin.png

168 ms

MuseoSans_700-webfont.woff

MuseoSans_700-webfont.woff

287 ms

MuseoSans_900-webfont.woff

MuseoSans_900-webfont.woff

331 ms

MuseoSans_500-webfont.woff

MuseoSans_500-webfont.woff

303 ms

MuseoSans_300-webfont.woff

MuseoSans_300-webfont.woff

335 ms

MuseoSans_100-webfont.woff

MuseoSans_100-webfont.woff

344 ms

arrow.png

arrow.png

155 ms

MuseoSansRounded-900-webfont.woff

MuseoSansRounded-900-webfont.woff

286 ms

MuseoSansRounded-700-webfont.woff

MuseoSansRounded-700-webfont.woff

340 ms

MuseoSansRounded-500-webfont.woff

MuseoSansRounded-500-webfont.woff

372 ms

MuseoSansRounded-1000-webfont.woff

MuseoSansRounded-1000-webfont.woff

391 ms

MuseoSansRounded-300-webfont.woff

MuseoSansRounded-300-webfont.woff

398 ms

MuseoSansRounded-100-webfont.woff

MuseoSansRounded-100-webfont.woff

412 ms

main.js

main.js

274 ms

Accessibility Review

madscience.com accessibility score

89

Accessibility Issues

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

madscience.com 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

madscience.com SEO score

70

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

High

Page is blocked from indexing

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 Madscience.com 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 Madscience.com 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

madscience.com

Open Graph description is not detected on the main page of Mad Science. 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: