7.5 sec in total
1.2 sec
5.9 sec
336 ms
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
The world's largest library of math and science simulations. | Gizmos
Visit explorescience.comWe analyzed Explorescience.com page load time and found that the first response time was 1.2 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
explorescience.com performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value9.1 s
1/100
25%
Value8.4 s
18/100
10%
Value1,430 ms
15/100
30%
Value0.024
100/100
15%
Value15.3 s
7/100
10%
1190 ms
45 ms
86 ms
260 ms
44 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Explorescience.com, 7% (6 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Script.crazyegg.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Gizmos.explorelearning.com.
Page size can be reduced by 321.8 kB (57%)
561.0 kB
239.2 kB
In fact, the total size of Explorescience.com main page is 561.0 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. 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. Javascripts take 241.2 kB which makes up the majority of the site volume.
Potential reduce by 50.3 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 9.2 kB, which is 14% 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 50.3 kB or 78% of the original size.
Potential reduce by 2.7 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.
Potential reduce by 156.5 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 156.5 kB or 65% of the original size.
Potential reduce by 112.3 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 needs all CSS files to be minified and compressed as it can save up to 112.3 kB or 83% of the original size.
Number of requests can be reduced by 36 (53%)
68
32
The browser has sent 68 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 29 to 1 for JavaScripts and as a result speed up the page load time.
gizmos.explorelearning.com
1190 ms
css
45 ms
homepage.min.css
86 ms
gtm.js
260 ms
gizmos.svg
44 ms
reflex.png
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frax-logo.svg
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scienceforus.png
257 ms
3180TN.png
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172TN.png
256 ms
173TN.png
283 ms
169TN.png
91 ms
modernizr-2.6.2-respond-1.1.0.min.js
79 ms
jquery-1.12.4.min.js
69 ms
bootstrap.min.js
234 ms
jquery.validate.min.js
240 ms
store.min.js
241 ms
typeahead-custom.min.js
243 ms
bootstrap-notify.min.js
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main.js
249 ms
browse.js
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633TN.png
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science_background.png
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GizmosVideoPoster.jpg
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302DET512w.jpg
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TubeAndPlant.png
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Lightbulb.png
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blog_profiles.png
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blog_acclaim.png
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blog_insights.png
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blog_quotes.png
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browserdetect.js
203 ms
system-test.js
204 ms
custom-help-widget.js
204 ms
KFOlCnqEu92Fr1MmSU5fBBc9.ttf
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KFOkCnqEu92Fr1MmgVxIIzc.ttf
120 ms
KFOlCnqEu92Fr1MmWUlfBBc9.ttf
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glyphicons-halflings-regular.woff
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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf
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memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsg-1x4gaVc.ttf
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icomoon.ttf
116 ms
BngbUXZYTXPIvIBgJJSb6s3BzlRRfKOFbvjojISmb2Rm.ttf
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qryResources.json
179 ms
js
195 ms
analytics.js
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insight.min.js
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uwt.js
283 ms
core.js
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hotjar-1236335.js
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conversion_async.js
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9984.js
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munchkin.js
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e021c136d54e2324.min.js
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fbevents.js
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qryInteractiveCases.json
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qryBrowse.json
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collect
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main.3d8f5f3a.js
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gizmos.explorelearning.com.json
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munchkin.js
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deprecatedGizmos.json
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modules.5cffd253af12af6303c3.js
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ip.json
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f30431b605ce646bd8628da6029940c8.js
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collect
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adsct
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adsct
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box-1ada912494ba7fc7aca15fcef1c2a7ae.html
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visitWebPage
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gizmos.explorelearning.com.json
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ga-audiences
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validateCookie
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validateCookie
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explorescience.com accessibility score
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
[aria-*] attributes do not match their roles
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
Links do not have a discernible name
explorescience.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
explorescience.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
N/A
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 neither this language nor any other was claimed in <html> or <meta> tags. 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.
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: