The following table provides summary statistics for contract job vacancies advertised in Twickenham with a requirement for CSS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CSS over the 3 months to 30 April 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

CSS (Cascading Style Sheets)
London / Twickenham
3 months to
30 Apr 2017
Same period 2016 Same period 2015
Rank 2 5 4
Rank change year-on-year +3 -1  
Contract jobs citing CSS 5 3 7
As % of all contract IT jobs advertised in Twickenham 38.46% 13.04% 25.00%
As % of the Libraries, Frameworks & Software Standards category 71.43% 100.00% 58.33%
Number of daily rates quoted 4 2 7
Median daily rate £413 £150 £325
Median daily rate % change year-on-year +175.00% -53.84%  
UK excluding London median daily rate £351 £350 £325
% change year-on-year +0.41% +7.69%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £40.00 £22.60 £36.50
% change year-on-year +76.97% -38.07%  

CSS is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Twickenham with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Twickenham
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 7 3 12
As % of all contract IT job vacancies advertised in Twickenham 53.85% 13.04% 42.86%
Number of daily rates quoted 5 2 10
Median daily rate £350 £150 £325
Median daily rate % change year-on-year +133.33% -53.84%  
UK excluding London median daily rate £375 £375 £350
% change year-on-year - +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £35.00 £37.00
% change year-on-year +21.42% -5.40%  

CSS
Job Vacancy Trend in Twickenham

The job posting trend of jobs advertised in Twickenham citing CSS as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for CSS in Twickenham

CSS
Contractor Daily Rate Trend in Twickenham

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CSS in Twickenham.

Contractor daily rate trend for CSS in Twickenham

CSS
Contractor Hourly Rate Trend in Twickenham

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing CSS in Twickenham.

Contractor hourly rate trend for CSS in Twickenham

For the 6 months to 30 April 2017, IT contractor jobs citing CSS 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 Twickenham region with a requirement for CSS.

1 7 (100.00%) HTML
1 7 (100.00%) MVC
2 5 (71.43%) C#
2 5 (71.43%) JavaScript
2 5 (71.43%) .NET
2 5 (71.43%) .NET Framework
2 5 (71.43%) AngularJS
3 4 (57.14%) ASP.NET Web API
3 4 (57.14%) JSON
3 4 (57.14%) jQuery
3 4 (57.14%) Agile Software Development
3 4 (57.14%) TDD
3 4 (57.14%) ASP.NET
4 3 (42.86%) SQL Server
4 3 (42.86%) WCF
4 3 (42.86%) React
4 3 (42.86%) Entity Framework
4 3 (42.86%) ASP.NET MVC
4 3 (42.86%) SQL Server 2008
5 2 (28.57%) RESTful
5 2 (28.57%) Apache Cassandra
5 2 (28.57%) HTML5
5 2 (28.57%) BDD
5 2 (28.57%) Node.js
5 2 (28.57%) CSS3
5 2 (28.57%) Twitter Bootstrap
5 2 (28.57%) Sass
5 2 (28.57%) Redux
5 2 (28.57%) Docker
5 2 (28.57%) ASP.NET Web Forms

CSS
Co-occurring IT Skills in Twickenham 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:

Database & Business Intelligence
1 3 (42.86%) SQL Server
1 3 (42.86%) SQL Server 2008
2 2 (28.57%) Apache Cassandra
Development Applications
1 1 (14.29%) Git (software)
General
1 2 (28.57%) Finance
1 2 (28.57%) Legal
Job Titles
1 7 (100.00%) Developer
2 4 (57.14%) .NET Developer
3 2 (28.57%) .NET Web Developer
3 2 (28.57%) Angular Developer
3 2 (28.57%) E-Commerce Developer
3 2 (28.57%) JavaScript Developer
3 2 (28.57%) Senior Developer
3 2 (28.57%) Senior E-Commerce Developer
3 2 (28.57%) Senior JavaScript Developer
3 2 (28.57%) Web Developer
4 1 (14.29%) ASP.NET MVC Developer
4 1 (14.29%) Front End Developer (Client-Side Developer)
4 1 (14.29%) HTML CSS Developer
4 1 (14.29%) HTML Developer
4 1 (14.29%) SQL Developer
Libraries, Frameworks & Software Standards
1 7 (100.00%) HTML
2 5 (71.43%) .NET
2 5 (71.43%) .NET Framework
2 5 (71.43%) AngularJS
3 4 (57.14%) ASP.NET
3 4 (57.14%) ASP.NET Web API
3 4 (57.14%) jQuery
3 4 (57.14%) JSON
4 3 (42.86%) ASP.NET MVC
4 3 (42.86%) Entity Framework
4 3 (42.86%) React
4 3 (42.86%) WCF
5 2 (28.57%) ASP.NET Web Forms
5 2 (28.57%) CSS3
5 2 (28.57%) HTML5
5 2 (28.57%) Node.js
5 2 (28.57%) Redux
5 2 (28.57%) RESTful
5 2 (28.57%) Sass
5 2 (28.57%) Twitter Bootstrap
Operating Systems
1 1 (14.29%) Windows
Processes & Methodologies
1 7 (100.00%) MVC
2 4 (57.14%) Agile Software Development
2 4 (57.14%) TDD
3 2 (28.57%) BDD
3 2 (28.57%) E-Commerce
3 2 (28.57%) Requirements Analysis
3 2 (28.57%) Resource Management
3 2 (28.57%) Systems Analysis
3 2 (28.57%) Web Development
4 1 (14.29%) Continuous Integration
4 1 (14.29%) DevOps
4 1 (14.29%) Front End Development
4 1 (14.29%) OO
Programming Languages
1 5 (71.43%) C#
1 5 (71.43%) JavaScript
2 2 (28.57%) Java
2 2 (28.57%) SQL
System Software
1 2 (28.57%) Docker
Systems Management
1 2 (28.57%) Kubernetes
2 1 (14.29%) Opscode Chef
2 1 (14.29%) Puppet