Tools & Wizards About Us

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

data-flair.training

Free Online Certification Courses - Learn Today. Lead Tomorrow. - DataFlair

Page Load Speed

21.2 sec in total

First Response

276 ms

Resources Loaded

19.2 sec

Page Rendered

1.7 sec

About Website

Visit data-flair.training now to see the best up-to-date Data Flair content for India and also check out these interesting facts you probably never knew about data-flair.training

DataFlair, one of the best online training providers of Hadoop, Big Data, and Spark certifications through industry experts. Get 24/7 lifetime support and flexible batch timings. Learn coveted IT skil...

Visit data-flair.training

Key Findings

We analyzed Data-flair.training page load time and found that the first response time was 276 ms and then it took 20.9 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

data-flair.training performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

36/100

10%

LCP (Largest Contentful Paint)

Value11.0 s

0/100

25%

SI (Speed Index)

Value6.9 s

33/100

10%

TBT (Total Blocking Time)

Value770 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

data-flair.training

276 ms

data-flair.training

72 ms

style.min.css

26 ms

bbpress.min.css

40 ms

styles.css

42 ms

Our browser made a total of 156 requests to load all elements on the main page. We found that 98% of them (153 requests) were addressed to the original Data-flair.training, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to Static.cloudflareinsights.com. The less responsive or slowest element that took the longest time to load (5.3 sec) belongs to the original domain Data-flair.training.

Page Optimization Overview & Recommendations

Page size can be reduced by 214.0 kB (22%)

Content Size

978.1 kB

After Optimization

764.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Data-flair.training main page is 978.1 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. 65% of websites need less resources to load. Javascripts take 604.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 206.6 kB

  • Original 244.1 kB
  • After minification 244.1 kB
  • After compression 37.6 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 206.6 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.0 kB
  • After minification 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. Data Flair images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 200 B

  • Original 604.0 kB
  • After minification 604.0 kB
  • After compression 603.8 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

-6%

Potential reduce by 7.2 kB

  • Original 127.9 kB
  • After minification 127.9 kB
  • After compression 120.7 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. Data-flair.training has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 86 (96%)

Requests Now

90

After Optimization

4

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Flair. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 41 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

data-flair.training accessibility score

93

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

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

data-flair.training 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

data-flair.training SEO score

88

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

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

High

Tap targets are not sized appropriately

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 Data-flair.training 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 Data-flair.training 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 Data Flair. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: