Tools & Wizards About Us

Report Summary

  • 28

    Performance

    Renders faster than
    47% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

ngexplorer.cengage.com

National Geographic Learning: K-12 Education and Digital Solutions Provider

Page Load Speed

4.8 sec in total

First Response

225 ms

Resources Loaded

4.5 sec

Page Rendered

66 ms

About Website

Click here to check amazing Ngexplorer Cengage content for United States. Otherwise, check out these important facts you probably never knew about ngexplorer.cengage.com

National Geographic Learning provides K-12 education curriculum and digital learning that inspires students and supports teachers to achieve better outcomes.

Visit ngexplorer.cengage.com

Key Findings

We analyzed Ngexplorer.cengage.com page load time and found that the first response time was 225 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

ngexplorer.cengage.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

68/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value2.7 s

97/100

10%

TBT (Total Blocking Time)

Value1,790 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value1.12

1/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

ngexplorer.cengage.com

225 ms

ngl.cengage.com

227 ms

0b37cb8dfac56212.css

10 ms

polyfills-78c92fac7aa8fdd8.js

48 ms

8492.4b9844b2a92903dc.js

33 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Ngexplorer.cengage.com, 68% (25 requests) were made to Ngl.cengage.com and 24% (9 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Ngl.cengage.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.4 kB (15%)

Content Size

823.2 kB

After Optimization

698.8 kB

  • HTML
  • Images

In fact, the total size of Ngexplorer.cengage.com main page is 823.2 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. 45% of websites need less resources to load. Images take 677.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 124.4 kB

  • Original 146.2 kB
  • After minification 146.2 kB
  • After compression 21.8 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 124.4 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 677.0 kB
  • After minification 677.0 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. Ngexplorer Cengage images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 17 (65%)

Requests Now

26

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ngexplorer Cengage. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

ngexplorer.cengage.com accessibility score

97

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

Links do not have a discernible name

Best Practices

ngexplorer.cengage.com best practices score

83

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

Browser errors were logged to the console

SEO Factors

ngexplorer.cengage.com SEO score

79

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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 Ngexplorer.cengage.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 Ngexplorer.cengage.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

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