The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for WebSockets skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited WebSockets over the 3 months to 26 June 2017 with a comparison to the same period in the previous 2 years.

WebSockets
East of England / Hertfordshire
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 136 133 147
Rank change year-on-year -3 +14  
Permanent jobs citing WebSockets 10 8 32
As % of all permanent IT jobs advertised in Hertfordshire 0.47% 0.35% 1.11%
As % of the Libraries, Frameworks & Software Standards category 1.26% 1.14% 3.05%
Number of salaries quoted 10 8 31
Median salary £47,500 £36,000 £60,000
Median salary % change year-on-year +31.94% -40.00%  
UK excluding London median salary £45,000 £40,000 £60,000
% change year-on-year +12.50% -33.33%  

WebSockets 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 permanent job vacancies advertised in Hertfordshire with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
Hertfordshire
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 793 703 1050
As % of all permanent IT job vacancies advertised in Hertfordshire 37.58% 30.98% 36.47%
Number of salaries quoted 695 612 896
Median salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.55%  
90% offered a salary of more than £35,000 £32,500 £32,500
10% offered a salary of more than £65,000 £62,500 £65,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

WebSockets
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for WebSockets in Hertfordshire

WebSockets
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing WebSockets in Hertfordshire.

Salary trend for WebSockets in Hertfordshire

WebSockets
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing WebSockets in Hertfordshire over the 3 months to 26 June 2017.

Salary histogram for WebSockets in Hertfordshire

WebSockets
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing WebSockets within the Hertfordshire region over the 3 months to 26 June 2017. 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 Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
St Albans +2 10 £47,500 +31.94%
WebSockets
East of England

For the 6 months to 26 June 2017, IT jobs citing WebSockets also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for WebSockets.

1 29 (100.00%) .NET
1 29 (100.00%) MVC
1 29 (100.00%) AngularJS
1 29 (100.00%) SignalR
2 28 (96.55%) ASP.NET MVC
2 28 (96.55%) ASP.NET
2 28 (96.55%) C#
3 26 (89.66%) RabbitMQ
3 26 (89.66%) Multithreading
4 25 (86.21%) TypeScript
5 24 (82.76%) Umbraco
5 24 (82.76%) CMS
6 23 (79.31%) Redis
7 22 (75.86%) Mathematics
8 21 (72.41%) High Availability
8 21 (72.41%) Elasticsearch
8 21 (72.41%) PhoneGap
8 21 (72.41%) Analytical Skills
8 21 (72.41%) Continuous Deployment
9 10 (34.48%) Grafana
9 10 (34.48%) Graphite
10 9 (31.03%) SQL
10 9 (31.03%) Software Engineering
11 7 (24.14%) Web Development
11 7 (24.14%) ASP.NET Web API
12 6 (20.69%) Oracle
13 5 (17.24%) HTML
13 5 (17.24%) JavaScript
13 5 (17.24%) OOD
13 5 (17.24%) CSS

WebSockets
Co-occurring 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 24 (82.76%) CMS
1 24 (82.76%) Umbraco
2 21 (72.41%) Elasticsearch
Database & Business Intelligence
1 23 (79.31%) Redis
2 5 (17.24%) Apache Cassandra
3 1 (3.45%) SQL Server
Development Applications
1 5 (17.24%) NUnit
1 5 (17.24%) TeamCity
2 3 (10.34%) Grunt
2 3 (10.34%) Selenium
General
1 5 (17.24%) Finance
Job Titles
1 29 (100.00%) Developer
2 24 (82.76%) .NET Developer
3 15 (51.72%) C# Developer
4 10 (34.48%) C# .NET Developer
5 6 (20.69%) Angular Developer
6 4 (13.79%) Elasticsearch Developer
6 4 (13.79%) Senior .NET Developer
6 4 (13.79%) Senior Developer
7 3 (10.34%) .NET Web Developer
7 3 (10.34%) ASP.NET Developer
7 3 (10.34%) C# ASP.NET Developer
7 3 (10.34%) C# Programmer
7 3 (10.34%) Programmer
7 3 (10.34%) Web Developer
8 2 (6.90%) ASP.NET MVC Developer
8 2 (6.90%) C# Software Developer
9 1 (3.45%) .NET Software Developer
9 1 (3.45%) Developer/Software Engineer
9 1 (3.45%) Senior C# .NET Developer
9 1 (3.45%) Senior C# Developer
Libraries, Frameworks & Software Standards
1 29 (100.00%) .NET
1 29 (100.00%) AngularJS
1 29 (100.00%) SignalR
2 28 (96.55%) ASP.NET
2 28 (96.55%) ASP.NET MVC
3 26 (89.66%) RabbitMQ
4 21 (72.41%) PhoneGap
5 7 (24.14%) ASP.NET Web API
6 5 (17.24%) Ajax
6 5 (17.24%) CSS
6 5 (17.24%) CSS3
6 5 (17.24%) HTML
6 5 (17.24%) HTML5
6 5 (17.24%) jQuery
6 5 (17.24%) Kafka
6 5 (17.24%) WCF
7 4 (13.79%) ASP.NET MVC 4
7 4 (13.79%) ASP.NET MVC 5
8 3 (10.34%) Sass
Miscellaneous
1 21 (72.41%) Analytical Skills
2 3 (10.34%) Greenfield Project
2 3 (10.34%) Spread Betting
Processes & Methodologies
1 29 (100.00%) MVC
2 26 (89.66%) Multithreading
3 22 (75.86%) Mathematics
4 21 (72.41%) Continuous Deployment
4 21 (72.41%) High Availability
5 9 (31.03%) Software Engineering
6 7 (24.14%) Web Development
7 5 (17.24%) Agile Software Development
7 5 (17.24%) Low Latency
7 5 (17.24%) OOD
7 5 (17.24%) Scrum
7 5 (17.24%) TDD
8 3 (10.34%) Coaching
8 3 (10.34%) Load Testing
8 3 (10.34%) Performance Tuning
8 3 (10.34%) SEO
8 3 (10.34%) Test Automation
8 3 (10.34%) Web Testing
9 2 (6.90%) Open Source
9 2 (6.90%) Responsive Web Design
Programming Languages
1 28 (96.55%) C#
2 25 (86.21%) TypeScript
3 9 (31.03%) SQL
4 5 (17.24%) JavaScript
Qualifications
1 2 (6.90%) Degree
Systems Management
1 10 (34.48%) Grafana
1 10 (34.48%) Graphite
Vendors
1 6 (20.69%) Oracle
2 2 (6.90%) Microsoft