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dasca.org screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

dasca.org

Data Science Certifications | Big Data Certification Programs | DASCA

Page Load Speed

4.5 sec in total

First Response

118 ms

Resources Loaded

3.4 sec

Page Rendered

1.1 sec

dasca.org screenshot

About Website

Visit dasca.org now to see the best up-to-date DASCA content for India and also check out these interesting facts you probably never knew about dasca.org

Data Science Council of America provides the world's most powerful Data Science certifications empowering Big Data professionals with robust Data Science skills.

Visit dasca.org

Key Findings

We analyzed Dasca.org page load time and found that the first response time was 118 ms and then it took 4.4 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

dasca.org performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.9 s

0/100

25%

SI (Speed Index)

Value9.4 s

12/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.111

87/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

dasca.org

118 ms

www.dasca.org

401 ms

bootstrap.css

263 ms

style.css

1209 ms

responsive.css

588 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 79% of them (71 requests) were addressed to the original Dasca.org, 8% (7 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Dasca.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 130.9 kB (51%)

Content Size

257.3 kB

After Optimization

126.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dasca.org main page is 257.3 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. 70% of websites need less resources to load. HTML takes 140.8 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 121.8 kB

  • Original 140.8 kB
  • After minification 87.7 kB
  • After compression 19.0 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 53.1 kB, which is 38% 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 121.8 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 66.6 kB
  • After minification 66.6 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. DASCA images are well optimized though.

JavaScript Optimization

-16%

Potential reduce by 7.3 kB

  • Original 46.2 kB
  • After minification 45.9 kB
  • After compression 38.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 7.3 kB or 16% of the original size.

CSS Optimization

-50%

Potential reduce by 1.8 kB

  • Original 3.7 kB
  • After minification 3.4 kB
  • After compression 1.9 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. Dasca.org needs all CSS files to be minified and compressed as it can save up to 1.8 kB or 50% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (28%)

Requests Now

80

After Optimization

58

  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DASCA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dasca.org

dasca.org

118 ms

www.dasca.org

www.dasca.org

401 ms

bootstrap.css

bootstrap.css

263 ms

style.css

style.css

1209 ms

responsive.css

responsive.css

588 ms

modernizr-2.6.2.js

modernizr-2.6.2.js

279 ms

font-awesome.min.css

font-awesome.min.css

40 ms

jquery.min.js

jquery.min.js

31 ms

js

js

62 ms

js

js

121 ms

jquery-1.10.2.js

jquery-1.10.2.js

643 ms

jquery.cookie.js

jquery.cookie.js

165 ms

dasca-search-1.21.01.js

dasca-search-1.21.01.js

183 ms

jquery.validate.js

jquery.validate.js

268 ms

jquery.validate.unobtrusive.js

jquery.validate.unobtrusive.js

222 ms

dasca-login-01.21.01.js

dasca-login-01.21.01.js

240 ms

dasca-search-1.21.01.js

dasca-search-1.21.01.js

277 ms

dasca-subscribe-1.21.01.js

dasca-subscribe-1.21.01.js

296 ms

bootstrap.js

bootstrap.js

376 ms

respond.js

respond.js

333 ms

slider.js

slider.js

355 ms

css2

css2

31 ms

mydasca1.png

mydasca1.png

129 ms

qualifly-menu.jpg

qualifly-menu.jpg

124 ms

datasciencecurrent.jpg

datasciencecurrent.jpg

124 ms

dataengineeringdigest.jpg

dataengineeringdigest.jpg

122 ms

dasca-logo-w.png

dasca-logo-w.png

271 ms

abde.png

abde.png

123 ms

sbde.png

sbde.png

249 ms

abda.png

abda.png

248 ms

sbda.png

sbda.png

247 ms

sds.png

sds.png

293 ms

pds.png

pds.png

248 ms

researching-bg.jpg

researching-bg.jpg

312 ms

menu-universites.jpg

menu-universites.jpg

313 ms

menu-organizations.jpg

menu-organizations.jpg

313 ms

menu-training.jpg

menu-training.jpg

314 ms

menu-advocacy.jpg

menu-advocacy.jpg

314 ms

framework-menu.jpg

framework-menu.jpg

335 ms

abdd-w.png

abdd-w.png

359 ms

abda-w.png

abda-w.png

359 ms

sds.png

sds.png

362 ms

sbdd-w.png

sbdd-w.png

364 ms

sbda1-w.png

sbda1-w.png

365 ms

pds.png

pds.png

495 ms

universities_icon.png

universities_icon.png

415 ms

bigdata_icon.png

bigdata_icon.png

416 ms

training_icon.png

training_icon.png

419 ms

professional-student.png

professional-student.png

418 ms

higher-learning.jpg

higher-learning.jpg

471 ms

wdsi-img-1.jpg

wdsi-img-1.jpg

473 ms

wdsi-logo.png

wdsi-logo.png

472 ms

transforming-educators.png

transforming-educators.png

577 ms

TSU-logo.png

TSU-logo.png

475 ms

ur-logo.jpg

ur-logo.jpg

534 ms

uajy-logo.png

uajy-logo.png

534 ms

rbs-logo.png

rbs-logo.png

534 ms

adsm-logo.png

adsm-logo.png

534 ms

n834e7mm18

n834e7mm18

246 ms

gtm.js

gtm.js

99 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew9.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew9.woff

94 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew9.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew9.woff

210 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew9.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew9.woff

217 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w9.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w9.woff

239 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w9.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w9.woff

239 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr70w9.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr70w9.woff

238 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC70w9.woff

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC70w9.woff

238 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

174 ms

iuget-logo.png

iuget-logo.png

432 ms

ultimate-credentials.jpg

ultimate-credentials.jpg

474 ms

dasca-book.png

dasca-book.png

1302 ms

examstrong01.png

examstrong01.png

475 ms

credbadge.png

credbadge.png

474 ms

insight.min.js

insight.min.js

80 ms

twitter-new.png

twitter-new.png

365 ms

slider1-b.jpg

slider1-b.jpg

429 ms

helpingdprt.png

helpingdprt.png

595 ms

texas-state-bg.jpg

texas-state-bg.jpg

678 ms

are-digital.png

are-digital.png

406 ms

clarity.js

clarity.js

23 ms

insight_tag_errors.gif

insight_tag_errors.gif

122 ms

qualifly-bg.jpg

qualifly-bg.jpg

453 ms

credentialing-img.jpg

credentialing-img.jpg

452 ms

kit-bg-home2.png

kit-bg-home2.png

503 ms

seminar-conference.jpg

seminar-conference.jpg

1329 ms

hpartner-bg.jpg

hpartner-bg.jpg

506 ms

get-started-sec.png

get-started-sec.png

556 ms

stay-inform-bg.jpg

stay-inform-bg.jpg

543 ms

footer-shape.png

footer-shape.png

540 ms

c.gif

c.gif

7 ms

Accessibility Review

dasca.org accessibility score

74

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dasca.org best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

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

dasca.org 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 Dasca.org 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 Dasca.org 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

dasca.org

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