Access explorescience.com. Interactive STEM Simulations & Virtual Labs

Report Summary

About Website

Visit explorescience.com now to see the best up-to-date Explorescience content and also check out these interesting facts you probably never knew about explorescience.com

Unlock STEM potential with our 550+ virtual labs and interactive math and science simulations. Discover engaging activities and STEM lessons with Gizmos!

Visit explorescience.com

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value10.8 s

7/100

10%

TBT (Total Blocking Time)

Value2,160 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.499

16/100

15%

TTI (Time to Interactive)

Value23.6 s

1/100

10%

gizmos.explorelearning.com

420 ms

css-main

272 ms

css-main-min

94 ms

main.css

237 ms

site-min.css

204 ms

Our browser made a total of 50 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Explorescience.com, 6% (3 requests) were made to Fast.wistia.com and 6% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (420 ms) relates to the external source Gizmos.explorelearning.com.

Content Size

404.2 kB

After Optimization

342.7 kB

In fact, the total size of Explorescience.com main page is 404.2 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. 65% of websites need less resources to load. Javascripts take 275.9 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 59.1 kB

Original 71.4 kB
After minification 51.6 kB
After compression 12.3 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 19.8 kB, which is 28% 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 59.1 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 1.3 kB

Original 13.2 kB
After minification 11.9 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. Explorescience images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 995 B

Original 275.9 kB
After minification 275.6 kB
After compression 274.9 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

-0%

Potential reduce by 172 B

Original 43.8 kB
After minification 43.8 kB
After compression 43.6 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. Explorescience.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Explorescience. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 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 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

<frame> or <iframe> elements do not have a title

Areas of Improvement

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

Search Engine Optimization Advices

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

EN
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Explorescience.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 Explorescience.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

explorescience.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Interactive STEM Simulations & Virtual Labs | Gizmos

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)