The table below looks at the prevalence of the term W3C in contract job vacancies advertised in the City of London. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited W3C over the 3 months to 28 June 2017 with a comparison to the same period over 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.

Worldwide Web Consortium (W3C)
London / City of London
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 164 160 198
Rank change year-on-year -4 +38  
Contract jobs citing W3C 2 5 7
As % of all contract IT jobs advertised in the City of London 0.061% 0.15% 0.12%
As % of the Miscellaneous category 0.15% 0.38% 0.32%
Number of daily rates quoted 1 4 5
Median daily rate £570 £275 £350
Median daily rate % change year-on-year +107.27% -21.42%  
UK excluding London median daily rate £365 £338 £350
% change year-on-year +8.14% -3.57%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £15.00 £32.50 -
% change year-on-year -53.84% -  

W3C is in the generic IT skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for generic IT skills.

Generic IT Skills
City of London
Contract job vacancies with a requirement for generic IT skills 1367 1324 2193
As % of all contract IT job vacancies advertised in the City of London 41.89% 39.32% 38.20%
Number of daily rates quoted 1030 1114 1754
Median daily rate £538 £475 £475
Median daily rate % change year-on-year +13.15% -  
90% offered a daily rate of more than £325 £313 £300
10% offered a daily rate of more than £675 £650 £650
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.22% +3.33%  
Number of hourly rates quoted 14 14 38
Median hourly rate £18.70 £17.50 £22.29
Median hourly rate % change year-on-year +6.82% -21.48%  
90% offered a hourly rate of more than £12.93 £12.50 £14.88
10% offered a hourly rate of more than £22.20 £68.00 £59.95
UK excluding London median hourly rate £25.00 £23.00 £18.88
% change year-on-year +8.69% +21.82%  

W3C
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing W3C as a proportion of all contract or permanent IT jobs with a match in the Miscellaneous category.

Job vacancy trend for W3C in the City of London

W3C
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing W3C in the City of London.

Contractor daily rate trend for W3C in the City of London

W3C
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing W3C in the City of London.

Contractor hourly rate trend for W3C in the City of London

For the 6 months to 28 June 2017, IT contractor jobs citing W3C 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 City of London region with a requirement for W3C.

1 2 (50.00%) Agile Software Development
1 2 (50.00%) SQL
2 1 (25.00%) WebLogic
2 1 (25.00%) Web Services
2 1 (25.00%) XSD
2 1 (25.00%) DOM
2 1 (25.00%) UML
2 1 (25.00%) Data Warehouse
2 1 (25.00%) E-Commerce
2 1 (25.00%) MS Visio
2 1 (25.00%) Data Modelling
2 1 (25.00%) ECMAScript
2 1 (25.00%) Business Intelligence
2 1 (25.00%) Microsoft
2 1 (25.00%) ISEB
2 1 (25.00%) XMLSpy
2 1 (25.00%) ATG
2 1 (25.00%) ATG Dynamo
2 1 (25.00%) Scrum
2 1 (25.00%) Java
2 1 (25.00%) JavaScript
2 1 (25.00%) TDD
2 1 (25.00%) Pair Programming
2 1 (25.00%) Subversion
2 1 (25.00%) Data Analysis
2 1 (25.00%) IPTV
2 1 (25.00%) Technical Architecture
2 1 (25.00%) WCAG
2 1 (25.00%) JSON
2 1 (25.00%) JIRA

W3C
Co-occurring IT Skills in the City of London 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 (25.00%) ATG Dynamo
1 1 (25.00%) Confluence
1 1 (25.00%) WebLogic
Applications
1 1 (25.00%) MS Visio
1 1 (25.00%) OmniGraffle
Cloud Services
1 1 (25.00%) Microsoft Azure
Database & Business Intelligence
1 1 (25.00%) Azure SQL Data Warehouse
1 1 (25.00%) Azure SQL Database
1 1 (25.00%) Data Warehouse
1 1 (25.00%) Power BI
Development Applications
1 1 (25.00%) Babel
1 1 (25.00%) Git (software)
1 1 (25.00%) Jenkins
1 1 (25.00%) JIRA
1 1 (25.00%) Selenium
1 1 (25.00%) Subversion
1 1 (25.00%) WebDriver
1 1 (25.00%) webpack
1 1 (25.00%) XMLSpy
Job Titles
1 1 (25.00%) Analyst
1 1 (25.00%) Author
1 1 (25.00%) Business Intelligence Lead
1 1 (25.00%) Developer
1 1 (25.00%) Technical Analyst
1 1 (25.00%) Technical Author
1 1 (25.00%) Technical Leader
1 1 (25.00%) Test Manager
Libraries, Frameworks & Software Standards
1 1 (25.00%) DOM
1 1 (25.00%) JSON
1 1 (25.00%) React
1 1 (25.00%) Redux
1 1 (25.00%) RESTful
1 1 (25.00%) Web Services
1 1 (25.00%) XSD
Miscellaneous
1 1 (25.00%) Data Structures
1 1 (25.00%) IPTV
1 1 (25.00%) Private Cloud
1 1 (25.00%) User Experience
Processes & Methodologies
1 2 (50.00%) Agile Software Development
2 1 (25.00%) Analytics
2 1 (25.00%) ATDD
2 1 (25.00%) BDD
2 1 (25.00%) Coaching
2 1 (25.00%) Data Analysis
2 1 (25.00%) Data Analytics
2 1 (25.00%) Data Cleansing
2 1 (25.00%) Data Visualisation
2 1 (25.00%) DOM Manipulation/Scripting
2 1 (25.00%) Logical Data Model
2 1 (25.00%) OWASP
2 1 (25.00%) Pair Programming
2 1 (25.00%) Physical Data Model
2 1 (25.00%) TDD
2 1 (25.00%) Technical Architecture
2 1 (25.00%) Test Automation
2 1 (25.00%) Test Management
2 1 (25.00%) User Stories
2 1 (25.00%) Visualisation
Programming Languages
1 2 (50.00%) SQL
2 1 (25.00%) ECMAScript
2 1 (25.00%) Java
2 1 (25.00%) JavaScript
Qualifications
1 1 (25.00%) ISEB
1 1 (25.00%) SC Cleared
1 1 (25.00%) Security Cleared
Quality Assurance & Compliance
1 1 (25.00%) WCAG
Vendors
1 1 (25.00%) ATG
1 1 (25.00%) Atlassian
1 1 (25.00%) Microsoft