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 average contractor rates offered in IT contracts that have cited D3.js over the 3 months to 1 May 2015 with a comparison to the same period in 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.

Location
3 months to
1 May 2015
Same period 2014 Same period 2013
Data-Driven Documents (D3)
Rank 64 - -
Rank change year-on-year
- 0
Contract jobs citing D3.js 4 0 0
As % of all contract IT jobs located in Hertfordshire 0.55% - -
As % of the Libraries, Frameworks & Software Standards category 2.37% - -
Number of daily rates quoted 4 0 0
Average daily rate
Keep up to 90%
of your Daily Rate
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£423 - -
UK excluding London average daily rate £375 £450 £250
% change year-on-year
-16.66% +80.00%
Number of hourly rates quoted 0 0 0
Average hourly rate - - -
UK excluding London average hourly rate - - -
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
169 219 209
As % of all contract IT jobs located in Hertfordshire 23.41% 28.74% 33.12%
Number of daily rates quoted 95 121 118
Average daily rate £388 £375 £400
Average daily rate % change year-on-year
+3.33% -6.25%
90% offered a daily rate of more than £285 £260 £233
10% offered a daily rate of more than £475 £450 £500
UK excluding London average daily rate £350 £338 £325
% change year-on-year
+3.70% +3.84%
Number of hourly rates quoted 3 10 4
Average hourly rate £40.00 £30.00 £20.00
Average hourly rate % change year-on-year
+33.33% +50.00%
UK excluding London average hourly rate £37.00 £35.00 £35.00
% change year-on-year
+5.71% -

D3.js
Jobs Demand Trend in Hertfordshire

This chart provides a 3-month moving total of IT contractor jobs citing D3.js across the Hertfordshire region as a proportion of the total demand within 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
Daily Rate Histogram in Hertfordshire

This chart provides a histogram of daily rates quoted in contract IT jobs citing D3.js across the Hertfordshire region over the 3 months to 1 May 2015.

D3.js Daily Rate Histogram in Hertfordshire

D3.js
Contract Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the average contractor rates quoted in IT jobs citing D3.js within the Hertfordshire region over the 3 months to 1 May 2015. 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
(Use links below to see detailed
statistics and historical trends)
Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Average
Daily Rate
Last 3 Months
Average Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Rickmansworth - 2 £450 -
Watford - 2 £366 -
D3.js
East of England

D3.js
Top 23 Related IT Skills in Hertfordshire

For the 6 months to 1 May 2015, IT contractor jobs across the Hertfordshire region citing D3.js also mentioned the following IT skills in order of popularity. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited D3.js.

1 4 (100.00%) Subversion
1 4 (100.00%) Google
1 4 (100.00%) JSON
1 4 (100.00%) jQuery
1 4 (100.00%) Git (software)
1 4 (100.00%) Visualisation
1 4 (100.00%) HTML5
1 4 (100.00%) MVVM
1 4 (100.00%) HTML
1 4 (100.00%) JavaScript
1 4 (100.00%) CSS
1 4 (100.00%) KnockoutJS
1 4 (100.00%) Facebook
1 4 (100.00%) Responsive Web Design
1 4 (100.00%) Mustache
1 4 (100.00%) CSS3
1 4 (100.00%) Underscore.js
2 2 (50.00%) AngularJS
2 2 (50.00%) Backbone.js
2 2 (50.00%) Sass
2 2 (50.00%) DOM
2 2 (50.00%) HTTP
2 2 (50.00%) MongoDB

D3.js
Top Related IT Skills in Hertfordshire by Category

For the 6 months to 1 May 2015, IT contractor jobs across the Hertfordshire region citing D3.js also mentioned the following IT skills grouped by category. The figures indicate the number of jobs and their proportion against the total number of contract IT job ads sampled that cited D3.js. Up to 20 skills are shown per category.

Communications & Networking
1 2 (50.00%) HTTP
Database & Business Intelligence
1 2 (50.00%) MongoDB
Development Applications
1 4 (100.00%) Subversion
1 4 (100.00%) Git (software)
Job Titles
1 4 (100.00%) Developer
1 4 (100.00%) JavaScript Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) JSON
1 4 (100.00%) jQuery
1 4 (100.00%) HTML5
1 4 (100.00%) HTML
1 4 (100.00%) CSS
1 4 (100.00%) KnockoutJS
1 4 (100.00%) Mustache
1 4 (100.00%) CSS3
1 4 (100.00%) Underscore.js
2 2 (50.00%) AngularJS
2 2 (50.00%) Backbone.js
2 2 (50.00%) Sass
2 2 (50.00%) DOM
Miscellaneous
1 4 (100.00%) Visualisation
Processes & Methodologies
1 4 (100.00%) MVVM
1 4 (100.00%) Responsive Web Design
Programming Languages
1 4 (100.00%) JavaScript
Vendors
1 4 (100.00%) Google
1 4 (100.00%) Facebook