5.7 sec in total
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Click here to check amazing Educational Science content for United States. Otherwise, check out these important facts you probably never knew about educationalscience.com
Science equipment and supplies for Biology, Chemistry, Entomology, and more.
Visit educationalscience.comWe analyzed Educationalscience.com page load time and found that the first response time was 1.5 sec 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.
educationalscience.com performance score
name
value
score
weighting
Value5.6 s
6/100
10%
Value6.3 s
10/100
25%
Value11.9 s
4/100
10%
Value930 ms
30/100
30%
Value0.181
67/100
15%
Value21.9 s
1/100
10%
1517 ms
94 ms
296 ms
639 ms
56 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 97% of them (59 requests) were addressed to the original Educationalscience.com, 3% (2 requests) were made to Sealserver.trustwave.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Educationalscience.com.
Page size can be reduced by 718.4 kB (18%)
4.0 MB
3.3 MB
In fact, the total size of Educationalscience.com main page is 4.0 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. 50% of websites need less resources to load. Images take 3.2 MB which makes up the majority of the site volume.
Potential reduce by 121.1 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 22.9 kB, which is 17% 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 121.1 kB or 91% of the original size.
Potential reduce by 70.8 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. Educational Science images are well optimized though.
Potential reduce by 441.7 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 441.7 kB or 78% of the original size.
Potential reduce by 84.8 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. Educationalscience.com needs all CSS files to be minified and compressed as it can save up to 84.8 kB or 85% of the original size.
We found no issues to fix!
55
55
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Educational Science. According to our analytics all requests are already optimized.
www.educationalscience.com
1517 ms
c83e9105b506da91c5a07935c1057d9c.css
94 ms
adff71ef304ce08353b7e7ab1fb0fa00.js
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seal.js
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educationalscience.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-hidden="true"] elements contain focusable descendents
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
[id] attributes on active, focusable elements are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
List items (<li>) are not contained within <ul> or <ol> parent elements.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
educationalscience.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
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
educationalscience.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Educationalscience.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 Educationalscience.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.
educationalscience.com
Open Graph description is not detected on the main page of Educational 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: