3.2 sec in total
147 ms
2.4 sec
669 ms
Visit corelearn.com now to see the best up-to-date Corelearn content for United States and also check out these interesting facts you probably never knew about corelearn.com
CORE provides comprehensive math and reading professional learning services to educators so that all students receive high-quality instruction.
Visit corelearn.comWe analyzed Corelearn.com page load time and found that the first response time was 147 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
corelearn.com performance score
name
value
score
weighting
Value3.9 s
25/100
10%
Value4.7 s
33/100
25%
Value7.2 s
30/100
10%
Value1,800 ms
10/100
30%
Value0.058
98/100
15%
Value18.1 s
3/100
10%
147 ms
124 ms
132 ms
45 ms
89 ms
Our browser made a total of 121 requests to load all elements on the main page. We found that 69% of them (83 requests) were addressed to the original Corelearn.com, 4% (5 requests) were made to Google.com and 4% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (590 ms) relates to the external source Corelearn.wpengine.com.
Page size can be reduced by 163.9 kB (9%)
1.8 MB
1.6 MB
In fact, the total size of Corelearn.com main page is 1.8 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. 80% 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. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 156.6 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 156.6 kB or 81% of the original size.
Potential reduce by 2.0 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. Corelearn images are well optimized though.
Potential reduce by 837 B
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.
Potential reduce by 4.5 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. Corelearn.com has all CSS files already compressed.
Number of requests can be reduced by 88 (82%)
107
19
The browser has sent 107 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Corelearn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 33 to 1 for CSS and as a result speed up the page load time.
corelearn.com
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www.corelearn.com
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www.corelearn.com
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font-awesome.min.css
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h5ab-print.min.css
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activityi;src=11987191;type=conso00;cat=coreh0;ord=8156096186932;gtm=2wg9s0;auiddc=768762822.1664821718;~oref=https%3A%2F%2Fwww.corelearn.com%2F
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corelearn.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
corelearn.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
corelearn.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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 Corelearn.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 Corelearn.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.
corelearn.com
Open Graph data is detected on the main page of Corelearn. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: