The following table provides summary statistics for contract job vacancies advertised in Cardiff with a requirement for CSS3 skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited CSS3 over the 3 months to 29 June 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 3
South Wales > Cardiff
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 32 28 33
Rank change year-on-year -4 +5  
Contract jobs citing CSS3 11 10 10
As % of all contract IT jobs advertised in Cardiff 3.33% 3.60% 2.99%
As % of the Libraries, Frameworks & Software Standards category 13.10% 11.76% 9.43%
Number of daily rates quoted 8 6 7
Cardiff median daily rate £315 £444 £350
Median daily rate % change year-on-year -29.01% +26.78%  
10th Percentile £292 £369 £305
90th Percentile £345 £513 £414
South Wales median daily rate £315 £444 £350
% change year-on-year -29.01% +26.78%  
Number of hourly rates quoted 0 0 0
Cardiff median hourly rate - - -
South Wales median hourly rate - - -

CSS3 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 Cardiff with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Cardiff
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 84 85 106
As % of all contract IT job vacancies advertised in Cardiff 25.45% 30.58% 31.64%
Number of daily rates quoted 307 235 498
Cardiff median daily rate £363 £400 £350
Median daily rate % change year-on-year -9.37% +14.28%  
10th Percentile £313 £269 £200
90th Percentile £412 £513 £450
South Wales median daily rate £370 £400 £375
% change year-on-year -7.50% +6.66%  
Number of hourly rates quoted 1 0 0
Cardiff median hourly rate £16.28 - -
South Wales median hourly rate £18.14 £41.50 -
% change year-on-year -56.28% -  

CSS3
Job Vacancy Trend in Cardiff

Job postings citing CSS3 as a percentage of all IT jobs advertised in Cardiff.

Job vacancy trend for CSS3 in Cardiff

CSS3
Contractor Daily Rate Trend in Cardiff

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing CSS3 in Cardiff.

Contractor daily rate trend for CSS3 in Cardiff

For the 6 months to 29 June 2017, IT contractor jobs citing CSS3 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 Cardiff region with a requirement for CSS3.

1 31 (100.00%) HTML
1 31 (100.00%) JavaScript
1 31 (100.00%) CSS
1 31 (100.00%) HTML5
2 19 (61.29%) jQuery
3 17 (54.84%) Web Development
3 17 (54.84%) AngularJS
4 16 (51.61%) Ajax
5 13 (41.94%) Front End Development
6 12 (38.71%) Agile Software Development
7 8 (25.81%) SQL
7 8 (25.81%) Continuous Integration
8 7 (22.58%) Test Scripting
8 7 (22.58%) Adobe
8 7 (22.58%) Web Design
8 7 (22.58%) React
8 7 (22.58%) Sass
8 7 (22.58%) Responsive Web Design
8 7 (22.58%) Git (software)
8 7 (22.58%) Node.js
8 7 (22.58%) KnockoutJS
9 6 (19.35%) RESTful
9 6 (19.35%) Twitter Bootstrap
9 6 (19.35%) User Experience
9 6 (19.35%) Wireframes
9 6 (19.35%) LAMP
9 6 (19.35%) Apache
9 6 (19.35%) PHP
9 6 (19.35%) MySQL
9 6 (19.35%) OOP

CSS3
Co-occurring IT Skills in Cardiff 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 6 (19.35%) Apache
2 1 (3.23%) Adobe Experience Manager
Applications
1 1 (3.23%) Photoshop
Cloud Services
1 1 (3.23%) Amazon AWS
1 1 (3.23%) Microsoft Azure
Database & Business Intelligence
1 6 (19.35%) MySQL
2 3 (9.68%) SQL Server
3 2 (6.45%) SQL Server 2005
4 1 (3.23%) Couchbase
4 1 (3.23%) MongoDB
4 1 (3.23%) NoSQL
4 1 (3.23%) SQL Server 2008
4 1 (3.23%) SQL Server 2012
Development Applications
1 7 (22.58%) Git (software)
2 2 (6.45%) Visual Studio
3 1 (3.23%) Jasmine
3 1 (3.23%) Jenkins
3 1 (3.23%) MbUnit
3 1 (3.23%) Mercurial
3 1 (3.23%) MSTest
3 1 (3.23%) NUnit
3 1 (3.23%) Protractor
3 1 (3.23%) Selenium
3 1 (3.23%) SpecFlow
3 1 (3.23%) Subversion
3 1 (3.23%) TeamCity
General
1 2 (6.45%) Telecoms
2 1 (3.23%) Banking
2 1 (3.23%) Marketing
Job Titles
1 31 (100.00%) Developer
2 9 (29.03%) Front End Developer (Client-Side Developer)
2 9 (29.03%) Web Developer
3 7 (22.58%) Angular Developer
4 6 (19.35%) PHP Developer
4 6 (19.35%) PHP Zend Developer
5 5 (16.13%) PHP Web Developer
6 4 (12.90%) .NET Developer
6 4 (12.90%) HTML CSS Developer
6 4 (12.90%) HTML Developer
7 3 (9.68%) ServiceNow Developer
8 2 (6.45%) Front End Web Developer (Client-Side Developer)
9 1 (3.23%) JavaScript Developer
9 1 (3.23%) Node.js Developer
9 1 (3.23%) Senior Developer
9 1 (3.23%) Senior Front-End Developer
Libraries, Frameworks & Software Standards
1 31 (100.00%) CSS
1 31 (100.00%) HTML
1 31 (100.00%) HTML5
2 19 (61.29%) jQuery
3 17 (54.84%) AngularJS
4 16 (51.61%) Ajax
5 7 (22.58%) KnockoutJS
5 7 (22.58%) Node.js
5 7 (22.58%) React
5 7 (22.58%) Sass
6 6 (19.35%) LAMP
6 6 (19.35%) RESTful
6 6 (19.35%) Twitter Bootstrap
6 6 (19.35%) Zend Framework
7 5 (16.13%) Backbone.js
7 5 (16.13%) Durandal
8 4 (12.90%) .NET
9 3 (9.68%) ASP.NET
9 3 (9.68%) XHTML
9 3 (9.68%) XML
Miscellaneous
1 6 (19.35%) User Experience
2 5 (16.13%) Client/Server
3 4 (12.90%) CMDB
4 2 (6.45%) Greenfield Project
5 1 (3.23%) Digital Media
5 1 (3.23%) W3C
Operating Systems
1 1 (3.23%) Windows
Processes & Methodologies
1 17 (54.84%) Web Development
2 13 (41.94%) Front End Development
3 12 (38.71%) Agile Software Development
4 8 (25.81%) Continuous Integration
5 7 (22.58%) Responsive Web Design
5 7 (22.58%) Test Scripting
5 7 (22.58%) Web Design
6 6 (19.35%) OOP
6 6 (19.35%) Wireframes
7 5 (16.13%) Cross-Browser Compatibility
7 5 (16.13%) TDD
7 5 (16.13%) Workflow
8 4 (12.90%) Asset Management
8 4 (12.90%) BDD
8 4 (12.90%) DevOps
8 4 (12.90%) Problem Management
8 4 (12.90%) Release Management
8 4 (12.90%) Root Cause Analysis
9 3 (9.68%) ITIL
9 3 (9.68%) MVC
Programming Languages
1 31 (100.00%) JavaScript
2 8 (25.81%) SQL
3 6 (19.35%) PHP
4 3 (9.68%) C#
5 2 (6.45%) T-SQL
6 1 (3.23%) TypeScript
Qualifications
1 3 (9.68%) ITIL Certification
2 1 (3.23%) Degree
2 1 (3.23%) Master's Degree
Quality Assurance & Compliance
1 1 (3.23%) Disclosure Scotland
1 1 (3.23%) WAI
1 1 (3.23%) WCAG
System Software
1 5 (16.13%) Docker
Vendors
1 7 (22.58%) Adobe
2 6 (19.35%) Zend
3 5 (16.13%) ServiceNow
4 1 (3.23%) Microsoft