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21

Performance

Renders faster than
39% of other websites
86

Accessibility

Visual factors better than
that of 62% of websites
83

Best Practices

More advanced features
available than in
56% of websites
85

SEO

Google-friendlier than
56% of websites

First Response

413 ms

Resources Loaded

3.3 sec

Page Rendered

857 ms

mrnussbaum.com screenshot

About Website

Visit mrnussbaum.com now to see the best up-to-date Mrnussbaum content for United States and also check out these interesting facts you probably never knew about mrnussbaum.com

MrNussbaum.com is a kids website that features over 10,000 online and printable activities including over 400 games, tutorials, simulations, videos, interactive maps, research tools, and much more for...

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Key Findings

We analyzed Mrnussbaum.com page load time and found that the first response time was 413 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value18.6 s

0/100

25%

SI (Speed Index)

Value7.8 s

23/100

10%

TBT (Total Blocking Time)

Value1,280 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.241

52/100

15%

TTI (Time to Interactive)

Value21.9 s

1/100

10%

mrnussbaum.com

413 ms

normalize.css

99 ms

demo.css

148 ms

tabs.css

147 ms

tabstyles.css

144 ms

Our browser made a total of 152 requests to load all elements on the main page. We found that 72% of them (110 requests) were addressed to the original Mrnussbaum.com, 6% (9 requests) were made to A.tribalfusion.com and 4% (6 requests) were made to Contextual.media.net. The less responsive or slowest element that took the longest time to load (790 ms) belongs to the original domain Mrnussbaum.com.

Content Size

2.5 MB

After Optimization

2.0 MB

In fact, the total size of Mrnussbaum.com main page is 2.5 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. 70% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 80.6 kB

Original 113.0 kB
After minification 104.8 kB
After compression 32.4 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 80.6 kB or 71% of the original size.

Image Optimization

-8%

Potential reduce by 150.9 kB

Original 2.0 MB
After minification 1.8 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. Mrnussbaum images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 160.6 kB

Original 248.4 kB
After minification 248.3 kB
After compression 87.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 160.6 kB or 65% of the original size.

CSS Optimization

-90%

Potential reduce by 128.7 kB

Original 142.9 kB
After minification 108.5 kB
After compression 14.2 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. Mrnussbaum.com needs all CSS files to be minified and compressed as it can save up to 128.7 kB or 90% of the original size.

Requests Now

147

After Optimization

104

The browser has sent 147 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mrnussbaum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

ARIA input fields do not have accessible names

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Links do not have descriptive text

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mrnussbaum.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Mrnussbaum.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

mrnussbaum.com

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