The table below looks at the statistics for D3.js skills in IT contracts advertised for the Hertfordshire region. Included is a guide to the contractor rates offered in IT contracts that have cited D3.js over the 3 months to 6 May 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
6 May 2016
Same period 2015 Same period 2014
Data-Driven Documents (D3)
Rank 60 62 -
Rank change year-on-year
+2 -
Contract jobs citing D3.js 1 4 0
As % of all contract IT jobs located in Hertfordshire 0.14% 0.55% -
As % of the Libraries, Frameworks & Software Standards category 0.75% 2.42% -
Number of daily rates quoted 1 4 0
Median daily rate £325 £423 -
Median daily rate % change year-on-year
-23.07% -
UK excluding London median daily rate £450 £375 £150
% change year-on-year
+20.00% +150.00%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £32.50 - -
D3.js
East of England

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in contract jobs advertised in the Hertfordshire region.

Libraries, Frameworks & Software Standards Category
Hertfordshire
Contract IT job ads with a match in the
Libraries, Frameworks & Software Standards category
134 165 219
As % of all contract IT jobs located in Hertfordshire 18.61% 22.57% 28.78%
Number of daily rates quoted 79 92 119
Median daily rate £375 £388 £388
Median daily rate % change year-on-year
-3.22% -
90% offered a daily rate of more than £302 £285 £260
10% offered a daily rate of more than £546 £475 £450
UK excluding London median daily rate £375 £355 £338
% change year-on-year
+5.63% +5.18%
Number of hourly rates quoted 4 1 10
Median hourly rate £11.00 £40.00 £30.00
Median hourly rate % change year-on-year
-72.50% +33.33%
90% offered a hourly rate of more than £9.25 £40.00 £22.00
10% offered a hourly rate of more than £38.00 £40.00 £37.05
UK excluding London median hourly rate £34.75 £37.00 £35.00
% change year-on-year
-6.08% +5.71%

D3.js
Jobs Demand Trend in Hertfordshire

The demand trend of contract jobs across the Hertfordshire region citing D3.js as a proportion of all IT contracts with a match in the Libraries, Frameworks & Software Standards category.

D3.js Jobs Demand Trend in Hertfordshire

D3.js
Daily Rate Trend in Hertfordshire

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing D3.js across the Hertfordshire region.

D3.js Daily Rate Trend in Hertfordshire

D3.js
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing D3.js within the Hertfordshire region over the 3 months to 6 May 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Welwyn Garden City - 1 £325 -
D3.js
East of England

D3.js
Top 21 Related IT Skills in Hertfordshire

For the 6 months to 6 May 2016, IT contractor jobs citing D3.js also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the Hertfordshire region with a requirement for D3.js.

1 1 (100.00%) HTML
1 1 (100.00%) JavaScript
1 1 (100.00%) CSS
1 1 (100.00%) XHTML
1 1 (100.00%) MVC
1 1 (100.00%) Web Development
1 1 (100.00%) JSON
1 1 (100.00%) Human Factors
1 1 (100.00%) jQuery
1 1 (100.00%) Ext JS
1 1 (100.00%) HTML5
1 1 (100.00%) Node.js
1 1 (100.00%) CSS3
1 1 (100.00%) Modernizr
1 1 (100.00%) Backbone.js
1 1 (100.00%) Sass
1 1 (100.00%) LESS
1 1 (100.00%) AngularJS
1 1 (100.00%) OOCSS
1 1 (100.00%) Twitter Bootstrap
1 1 (100.00%) React

D3.js
Top Related IT Skills in Hertfordshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (100.00%) Node.js
Job Titles
1 1 (100.00%) Designer
1 1 (100.00%) HTML CSS Designer
1 1 (100.00%) Interface Designer
1 1 (100.00%) UI Designer
Libraries, Frameworks & Software Standards
1 1 (100.00%) AngularJS
1 1 (100.00%) Backbone.js
1 1 (100.00%) CSS
1 1 (100.00%) CSS3
1 1 (100.00%) Ext JS
1 1 (100.00%) HTML
1 1 (100.00%) HTML5
1 1 (100.00%) jQuery
1 1 (100.00%) JSON
1 1 (100.00%) LESS
1 1 (100.00%) Modernizr
1 1 (100.00%) OOCSS
1 1 (100.00%) React
1 1 (100.00%) Sass
1 1 (100.00%) Twitter Bootstrap
1 1 (100.00%) XHTML
Processes & Methodologies
1 1 (100.00%) Human Factors
1 1 (100.00%) MVC
1 1 (100.00%) Web Development
Programming Languages
1 1 (100.00%) JavaScript