Tools & Wizards About Us
corelearn.com screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

corelearn.com

Teacher Professional Learning | Literacy, Math

Page Load Speed

2.5 sec in total

First Response

83 ms

Resources Loaded

841 ms

Page Rendered

1.6 sec

corelearn.com screenshot

About Website

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.com

Key Findings

We analyzed Corelearn.com page load time and found that the first response time was 83 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

corelearn.com performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value12.6 s

0/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value3,140 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.9 s

1/100

10%

Network Requests Diagram

corelearn.com

83 ms

www.corelearn.com

44 ms

www.corelearn.com

136 ms

styles.css

68 ms

smoothness-jquery-ui.min.css

70 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Corelearn.com, 77% (51 requests) were made to Corelearn.wpenginepowered.com and 3% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (313 ms) relates to the external source Corelearn.wpenginepowered.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 311.1 kB (2%)

Content Size

13.9 MB

After Optimization

13.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Corelearn.com main page is 13.9 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. 65% of websites need less resources to load. Images take 13.2 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 139.3 kB

  • Original 161.8 kB
  • After minification 139.5 kB
  • After compression 22.5 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 22.3 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 139.3 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 13.2 MB
  • After minification 13.2 MB

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.

JavaScript Optimization

-3%

Potential reduce by 7.4 kB

  • Original 213.8 kB
  • After minification 213.8 kB
  • After compression 206.4 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

-65%

Potential reduce by 164.4 kB

  • Original 254.3 kB
  • After minification 252.3 kB
  • After compression 89.8 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. Corelearn.com needs all CSS files to be minified and compressed as it can save up to 164.4 kB or 65% of the original size.

Requests Breakdown

Number of requests can be reduced by 41 (69%)

Requests Now

59

After Optimization

18

  • Images
  • JavaScript
  • CSS

The browser has sent 59 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 23 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

corelearn.com

corelearn.com

83 ms

www.corelearn.com

www.corelearn.com

44 ms

www.corelearn.com

www.corelearn.com

136 ms

styles.css

styles.css

68 ms

smoothness-jquery-ui.min.css

smoothness-jquery-ui.min.css

70 ms

ec-store.css

ec-store.css

89 ms

css

css

61 ms

owl.carousel.css

owl.carousel.css

68 ms

dashicons.min.css

dashicons.min.css

71 ms

style.css

style.css

72 ms

main.css

main.css

131 ms

jquery.min.js

jquery.min.js

84 ms

jquery-migrate.min.js

jquery-migrate.min.js

98 ms

core.min.js

core.min.js

100 ms

accordion.min.js

accordion.min.js

187 ms

datepicker.min.js

datepicker.min.js

100 ms

ec-store.js

ec-store.js

118 ms

owl.carousel.min.js

owl.carousel.min.js

107 ms

js

js

98 ms

v2.js

v2.js

53 ms

jquery.validate.min.js

jquery.validate.min.js

84 ms

hooks.min.js

hooks.min.js

88 ms

i18n.min.js

i18n.min.js

92 ms

index.js

index.js

151 ms

index.js

index.js

151 ms

7725331.js

7725331.js

68 ms

main.js

main.js

151 ms

gtm.js

gtm.js

151 ms

7725331.js

7725331.js

162 ms

web-interactives-embed.js

web-interactives-embed.js

195 ms

collectedforms.js

collectedforms.js

160 ms

leadflows.js

leadflows.js

172 ms

banner.js

banner.js

164 ms

fb.js

fb.js

171 ms

corelearn-logo.png

corelearn-logo.png

135 ms

corelearn-menu-icon-approach_60x60.png

corelearn-menu-icon-approach_60x60.png

133 ms

corelearn-menu-icon-reading_60x60.png

corelearn-menu-icon-reading_60x60.png

135 ms

corelearn-menu-icon-math_60x60.png

corelearn-menu-icon-math_60x60.png

135 ms

corelearn-menu-icon-impact_60x60.png

corelearn-menu-icon-impact_60x60.png

133 ms

corelearn-menu-icon-case-studies_60x60.png

corelearn-menu-icon-case-studies_60x60.png

135 ms

corelearn-menu-icon-bookstore_60x60.png

corelearn-menu-icon-bookstore_60x60.png

150 ms

corelearn-menu-icon-newsletter_60x60.png

corelearn-menu-icon-newsletter_60x60.png

151 ms

corelearn-menu-icon-blog_60x60.png

corelearn-menu-icon-blog_60x60.png

188 ms

sourcebook-cover-3ed-store-2.png

sourcebook-cover-3ed-store-2.png

166 ms

corelearn-menu-icon-about_60x60.png

corelearn-menu-icon-about_60x60.png

162 ms

corelearn-menu-icon-team_60x60.png

corelearn-menu-icon-team_60x60.png

192 ms

corelearn-menu-icon-careers_60x60.png

corelearn-menu-icon-careers_60x60.png

205 ms

corelearn-search-close.svg

corelearn-search-close.svg

188 ms

corelearn-orange-arrow.svg

corelearn-orange-arrow.svg

188 ms

CORE-Homepage-Hero-Image.png

CORE-Homepage-Hero-Image.png

233 ms

CORE-homepage-hero-Mobile.png

CORE-homepage-hero-Mobile.png

232 ms

Service-Details-Hero-Image-7-1.png

Service-Details-Hero-Image-7-1.png

259 ms

Homepage-Our-Impact.png

Homepage-Our-Impact.png

269 ms

Homepage-Our-Impact-Mobile.png

Homepage-Our-Impact-Mobile.png

237 ms

clarke-mtss-webinar-lp.jpg

clarke-mtss-webinar-lp.jpg

220 ms

odegard-dyslexia-webinar-lp.jpg

odegard-dyslexia-webinar-lp.jpg

244 ms

hennessy-comprehension-webinar-lp.jpg

hennessy-comprehension-webinar-lp.jpg

248 ms

web-image-1.webp

web-image-1.webp

249 ms

We-Are-All-Language-Teachers-White-Paper.png

We-Are-All-Language-Teachers-White-Paper.png

282 ms

OLLA-Benefits-Educators-eBook.png

OLLA-Benefits-Educators-eBook.png

287 ms

CTA-Panel-Image.png

CTA-Panel-Image.png

271 ms

corelearn-footer-logo.png

corelearn-footer-logo.png

294 ms

reader-regular-pro.woff

reader-regular-pro.woff

281 ms

reader-medium-pro.woff

reader-medium-pro.woff

313 ms

reader-bold-pro.woff

reader-bold-pro.woff

313 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

15 ms

Accessibility Review

corelearn.com accessibility score

88

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Links do not have a discernible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

corelearn.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

corelearn.com SEO score

86

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

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

Impact

Issue

High

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

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 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.

Social Sharing Optimization

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: