Tools & Wizards About Us

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

courses10.com

Page Load Speed

4.3 sec in total

First Response

27 ms

Resources Loaded

4 sec

Page Rendered

277 ms

About Website

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Key Findings

We analyzed Courses10.com page load time and found that the first response time was 27 ms and then it took 4.3 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

courses10.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value15.6 s

0/100

25%

SI (Speed Index)

Value14.7 s

1/100

10%

TBT (Total Blocking Time)

Value2,290 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.101

89/100

15%

TTI (Time to Interactive)

Value26.3 s

0/100

10%

Network Requests Diagram

courses10.com

27 ms

thebestmba.org

1541 ms

ucidg.css

17 ms

main_public.min.css

37 ms

templates.min.css

45 ms

Our browser made a total of 160 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Courses10.com, 61% (97 requests) were made to Thebestmba.org and 14% (22 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Googletagmanager.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 124.0 kB (9%)

Content Size

1.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Courses10.com main page is 1.3 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. Only a small number of websites need less resources to load. Javascripts take 785.9 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 100.2 kB

  • Original 129.5 kB
  • After minification 128.1 kB
  • After compression 29.3 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. 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 100.2 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 13.4 kB

  • Original 248.7 kB
  • After minification 235.3 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. Courses 10 images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 5.6 kB

  • Original 785.9 kB
  • After minification 785.9 kB
  • After compression 780.4 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

-3%

Potential reduce by 4.7 kB

  • Original 161.0 kB
  • After minification 159.4 kB
  • After compression 156.3 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. Courses10.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 137 (94%)

Requests Now

145

After Optimization

8

  • Images
  • JavaScript
  • CSS

The browser has sent 145 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Courses 10. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 92 to 1 for JavaScripts and from 47 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

courses10.com accessibility score

95

Accessibility Issues

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

courses10.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

courses10.com SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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 Courses10.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 Courses10.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 Courses 10. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: