Access sciencestuff.com. Science Stuff :: Educational Science Supplies, Toys, Games and Kits

Report Summary

About Website

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

Science Stuff offers science supplies, science toys and games, science fair project materials, K-12 science books and educational science kits.

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name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value2.8 s

83/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.061

97/100

15%

TTI (Time to Interactive)

Value2.8 s

97/100

10%

sciencestuff.com

125 ms

sciencestuff.com

248 ms

style.css

60 ms

images.js

119 ms

menustyles.css

237 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that 93% of them (38 requests) were addressed to the original Sciencestuff.com, 5% (2 requests) were made to Ssl.google-analytics.com and 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (290 ms) belongs to the original domain Sciencestuff.com.

Content Size

225.7 kB

After Optimization

202.3 kB

In fact, the total size of Sciencestuff.com main page is 225.7 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. 20% of websites need less resources to load. Images take 190.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 10.8 kB

Original 13.9 kB
After minification 10.7 kB
After compression 3.1 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 3.1 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 10.8 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 586 B

Original 190.7 kB
After minification 190.1 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. Science Stuff images are well optimized though.

JavaScript Optimization

-31%

Potential reduce by 3.0 kB

Original 9.7 kB
After minification 9.0 kB
After compression 6.7 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 3.0 kB or 31% of the original size.

CSS Optimization

-79%

Potential reduce by 9.1 kB

Original 11.5 kB
After minification 9.2 kB
After compression 2.4 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. Sciencestuff.com needs all CSS files to be minified and compressed as it can save up to 9.1 kB or 79% of the original size.

Requests Now

After Optimization

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Science Stuff. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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

Links do not have a discernible name

Search Engine Optimization Advices

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

High

Links are not crawlable

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

ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sciencestuff.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 Sciencestuff.com main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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