Report Summary

  • 96

    Performance

    Renders faster than
    94% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 55% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

learnds.com

Learn Data Science by nborwankar

Page Load Speed

731 ms in total

First Response

51 ms

Resources Loaded

182 ms

Page Rendered

498 ms

learnds.com screenshot

About Website

Welcome to learnds.com homepage info - get ready to check Learn Ds best content for United States right away, or after learning these important things about learnds.com

Visit learnds.com

Key Findings

We analyzed Learnds.com page load time and found that the first response time was 51 ms and then it took 680 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

learnds.com performance score

96

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value2.4 s

91/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.1 s

99/100

10%

Network Requests Diagram

learnds.com

51 ms

css

67 ms

stylesheet.css

32 ms

pygment_trac.css

30 ms

print.css

5 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 83% of them (10 requests) were addressed to the original Learnds.com, 8% (1 request) were made to Fonts.googleapis.com and 8% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (67 ms) relates to the external source Fonts.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 27.0 kB (35%)

Content Size

76.1 kB

After Optimization

49.1 kB

In fact, the total size of Learnds.com main page is 76.1 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. Only 10% of websites need less resources to load. Images take 49.1 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 9.1 kB

  • Original 12.0 kB
  • After minification 11.7 kB
  • After compression 2.9 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 9.1 kB or 76% of the original size.

Image Optimization

-12%

Potential reduce by 6.1 kB

  • Original 49.1 kB
  • After minification 43.0 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. Obviously, Learn Ds needs image optimization as it can save up to 6.1 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-78%

Potential reduce by 11.8 kB

  • Original 15.0 kB
  • After minification 10.0 kB
  • After compression 3.2 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. Learnds.com needs all CSS files to be minified and compressed as it can save up to 11.8 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 3 (30%)

Requests Now

10

After Optimization

7

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Learn Ds. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

learnds.com accessibility score

83

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

learnds.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

SEO Factors

learnds.com SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Learnds.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Learnds.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 description is not detected on the main page of Learn Ds. 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: