Tools & Wizards About Us
datadrivenjournalism.net screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

datadrivenjournalism.net

Homepage | DataJournalism.com

Page Load Speed

1.4 sec in total

First Response

260 ms

Resources Loaded

919 ms

Page Rendered

232 ms

datadrivenjournalism.net screenshot

About Website

Visit datadrivenjournalism.net now to see the best up-to-date Data Driven Journalism content for United States and also check out these interesting facts you probably never knew about datadrivenjournalism.net

The world's largest data journalism learning community. Featuring free video courses, long reads, resources and a discussion platform.

Visit datadrivenjournalism.net

Key Findings

We analyzed Datadrivenjournalism.net page load time and found that the first response time was 260 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

datadrivenjournalism.net performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value34.4 s

0/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,240 ms

19/100

30%

CLS (Cumulative Layout Shift)

Value0.171

70/100

15%

TTI (Time to Interactive)

Value11.5 s

18/100

10%

Network Requests Diagram

datadrivenjournalism.net

260 ms

datadrivenjournalism.net

15 ms

jquery.min.js

32 ms

jquery.jcarousel.js

11 ms

functions.js

10 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 48% of them (26 requests) were addressed to the original Datadrivenjournalism.net, 7% (4 requests) were made to F.vimeocdn.com and 6% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (260 ms) belongs to the original domain Datadrivenjournalism.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 545.4 kB (67%)

Content Size

817.1 kB

After Optimization

271.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Datadrivenjournalism.net main page is 817.1 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. 35% of websites need less resources to load. Javascripts take 540.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 23.2 kB

  • Original 29.8 kB
  • After minification 23.9 kB
  • After compression 6.6 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. This page needs HTML code to be minified as it can gain 5.8 kB, which is 20% 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 23.2 kB or 78% of the original size.

Image Optimization

-24%

Potential reduce by 27.5 kB

  • Original 112.3 kB
  • After minification 84.8 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, Data Driven Journalism needs image optimization as it can save up to 27.5 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-70%

Potential reduce by 376.9 kB

  • Original 540.7 kB
  • After minification 522.6 kB
  • After compression 163.8 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 376.9 kB or 70% of the original size.

CSS Optimization

-88%

Potential reduce by 117.9 kB

  • Original 134.3 kB
  • After minification 132.0 kB
  • After compression 16.4 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. Datadrivenjournalism.net needs all CSS files to be minified and compressed as it can save up to 117.9 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (49%)

Requests Now

49

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Driven Journalism. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

datadrivenjournalism.net

datadrivenjournalism.net

260 ms

datadrivenjournalism.net

datadrivenjournalism.net

15 ms

jquery.min.js

jquery.min.js

32 ms

jquery.jcarousel.js

jquery.jcarousel.js

11 ms

functions.js

functions.js

10 ms

buttons.js

buttons.js

7 ms

logo.png

logo.png

75 ms

ga.js

ga.js

70 ms

getAllAppDefault.esi

getAllAppDefault.esi

26 ms

search-field.png

search-field.png

23 ms

search-submit.png

search-submit.png

23 ms

socials.png

socials.png

23 ms

zWZDNtv0_400x400.png

zWZDNtv0_400x400.png

24 ms

24073422805_b2cc528b6e_q.jpg

24073422805_b2cc528b6e_q.jpg

24 ms

nasalogo_twitter.jpg

nasalogo_twitter.jpg

24 ms

povtes.png

povtes.png

34 ms

lanascion.png

lanascion.png

31 ms

femirease.png

femirease.png

33 ms

MNpTTxO3.jpg

MNpTTxO3.jpg

32 ms

download.png

download.png

33 ms

maillist-img.png

maillist-img.png

32 ms

join-field.png

join-field.png

35 ms

join-submit.png

join-submit.png

55 ms

sidebar-pattern.png

sidebar-pattern.png

55 ms

widgettitle.png

widgettitle.png

54 ms

widgettitle-rss.png

widgettitle-rss.png

54 ms

footer-left-img.png

footer-left-img.png

54 ms

footer-logo.png

footer-logo.png

56 ms

klavika-regular-webfont.woff

klavika-regular-webfont.woff

66 ms

chunkfive-webfont.woff

chunkfive-webfont.woff

66 ms

80x15.png

80x15.png

64 ms

__utm.gif

__utm.gif

37 ms

getSegment.php

getSegment.php

237 ms

checkOAuth.esi

checkOAuth.esi

23 ms

74708366

74708366

87 ms

player.js

player.js

70 ms

player.css

player.css

57 ms

ga.js

ga.js

70 ms

vuid.min.js

vuid.min.js

70 ms

__utm.gif

__utm.gif

66 ms

proxy.html

proxy.html

26 ms

451358480.jpg

451358480.jpg

95 ms

t.dhj

t.dhj

19 ms

t.dhj

t.dhj

18 ms

cm

cm

23 ms

s-3271.xgi

s-3271.xgi

15 ms

9 ms

hbpix

hbpix

35 ms

6 ms

xrefid.xgi

xrefid.xgi

4 ms

pixel

pixel

38 ms

pixel

pixel

41 ms

2981

2981

65 ms

__utm.gif

__utm.gif

11 ms

Accessibility Review

datadrivenjournalism.net accessibility score

58

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[role]s are not contained by their required parent element

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

datadrivenjournalism.net best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

datadrivenjournalism.net SEO score

84

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Datadrivenjournalism.net 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 Datadrivenjournalism.net 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

datadrivenjournalism.net

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