The following table provides summary statistics for permanent job vacancies with a requirement for Firebug skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Firebug over the 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

Firebug
UK
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 869 928 957
Rank change year-on-year +59 +29  
Permanent jobs citing Firebug 20 12 25
As % of all permanent IT jobs advertised in the UK 0.022% 0.012% 0.022%
As % of the Development Applications category 0.11% 0.067% 0.13%
Number of salaries quoted 20 11 21
UK median annual salary £47,500 £45,000 £32,000
Median salary % change year-on-year +5.55% +40.62%  
10th Percentile £27,500 £26,250 £26,250
90th Percentile £70,000 £52,500 £47,500
UK excluding London median annual salary - £30,000 £27,500
% change year-on-year - +9.09%  

Firebug is in the development application skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for development application skills.

Development Application Skills
UK
Permanent job vacancies with a requirement for development application skills 18595 17780 18748
As % of all permanent IT job vacancies advertised in the UK 20.91% 18.13% 16.87%
Number of salaries quoted 36834 35963 35179
UK median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26%  
10th Percentile £32,500 £31,250 £31,000
90th Percentile £76,250 £70,000 £75,000
UK excluding London median annual salary £45,000 £42,500 £41,500
% change year-on-year +5.88% +2.40%  

Firebug
Job Vacancy Trend

Job postings citing Firebug as a percentage of all IT jobs advertised.

Job vacancy trend for Firebug in the UK

Firebug
Salary Trend

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

Salary trend for Firebug in the UK

Firebug
Salary Histogram

The salary distribution of IT jobs citing Firebug over the 3 months to 29 June 2017.

Salary histogram for Firebug in the UK

Firebug
Top 2 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Firebug within the UK over the 3 months to 29 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
England +62 19 £55,000 +22.22%
London +39 19 £55,000 +15.78%

For the 6 months to 29 June 2017, IT jobs citing Firebug also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for Firebug.

1 31 (83.78%) CSS
2 30 (81.08%) HTML
3 27 (72.97%) JavaScript
4 23 (62.16%) Agile Software Development
5 17 (45.95%) CSS3
6 16 (43.24%) AngularJS
6 16 (43.24%) Front End Development
7 15 (40.54%) SQL
8 14 (37.84%) SOAP
9 13 (35.14%) XML
10 12 (32.43%) Drupal
10 12 (32.43%) Code Optimisation
10 12 (32.43%) REST
11 10 (27.03%) Sass
11 10 (27.03%) Node.js
11 10 (27.03%) Grunt
11 10 (27.03%) gulp
11 10 (27.03%) jQuery
11 10 (27.03%) JIRA
11 10 (27.03%) TDD
11 10 (27.03%) PHP
12 9 (24.32%) MySQL
12 9 (24.32%) OO
12 9 (24.32%) MVC
12 9 (24.32%) Express
12 9 (24.32%) Bower
13 8 (21.62%) CMS
13 8 (21.62%) OOP
13 8 (21.62%) Microsoft
13 8 (21.62%) Web Services

Firebug
Co-occurring IT Skills 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 12 (32.43%) Drupal
2 8 (21.62%) CMS
3 7 (18.92%) Confluence
4 1 (2.70%) IIS
4 1 (2.70%) JBoss
4 1 (2.70%) WebLogic
4 1 (2.70%) WordPress
Applications
1 1 (2.70%) Microsoft Excel
1 1 (2.70%) Microsoft Office
Cloud Services
1 1 (2.70%) Google Analytics
1 1 (2.70%) SaaS
Communications & Networking
1 7 (18.92%) HTTP
1 7 (18.92%) Internet
2 1 (2.70%) LDAP
2 1 (2.70%) PuTTY
Database & Business Intelligence
1 9 (24.32%) MySQL
2 7 (18.92%) SQL Server
3 3 (8.11%) Big Data
4 1 (2.70%) MS Access
4 1 (2.70%) PostgreSQL
Development Applications
1 10 (27.03%) Grunt
1 10 (27.03%) gulp
1 10 (27.03%) JIRA
2 9 (24.32%) Bower
3 8 (21.62%) Fiddler
3 8 (21.62%) Git (software)
4 7 (18.92%) Subversion
4 7 (18.92%) Visual Studio
5 3 (8.11%) PHPUnit
6 2 (5.41%) Selenium
7 1 (2.70%) HP UFT
7 1 (2.70%) JUnit
7 1 (2.70%) PostCSS
7 1 (2.70%) Selenium IDE
7 1 (2.70%) SoapUI
7 1 (2.70%) TestDirector
7 1 (2.70%) Zephyr
General
1 7 (18.92%) Marketing
1 7 (18.92%) Retail
2 3 (8.11%) Finance
3 2 (5.41%) Games
3 2 (5.41%) Publishing
Job Titles
1 20 (54.05%) Developer
2 8 (21.62%) Senior Developer
3 7 (18.92%) .NET Developer
3 7 (18.92%) .NET Team Leader
3 7 (18.92%) JavaScript Developer
3 7 (18.92%) Lead .NET Developer
3 7 (18.92%) Lead Developer
3 7 (18.92%) Senior .NET Developer
3 7 (18.92%) Team Leader
4 6 (16.22%) Front End Developer (Client-Side Developer)
5 4 (10.81%) Administrator
5 4 (10.81%) Analyst
5 4 (10.81%) Support Engineer
5 4 (10.81%) Web Administrator
6 3 (8.11%) Digital Transformation
6 3 (8.11%) Platform Engineer
6 3 (8.11%) Platform Support Engineer
6 3 (8.11%) Web Analyst
7 2 (5.41%) 1st/2nd Line Support
7 2 (5.41%) Junior JavaScript Developer
Libraries, Frameworks & Software Standards
1 31 (83.78%) CSS
2 30 (81.08%) HTML
3 17 (45.95%) CSS3
4 16 (43.24%) AngularJS
5 14 (37.84%) SOAP
6 13 (35.14%) XML
7 12 (32.43%) REST
8 10 (27.03%) jQuery
8 10 (27.03%) Node.js
8 10 (27.03%) Sass
9 9 (24.32%) Express
10 8 (21.62%) .NET
10 8 (21.62%) HTML5
10 8 (21.62%) Web Services
11 7 (18.92%) .NET Framework
11 7 (18.92%) ASP.NET Web API
11 7 (18.92%) Entity Framework
11 7 (18.92%) KnockoutJS
11 7 (18.92%) Twitter Bootstrap
12 3 (8.11%) Symfony
Miscellaneous
1 3 (8.11%) Analytical Skills
1 3 (8.11%) Computer Science
1 3 (8.11%) iPad
2 2 (5.41%) Foreign Exchange (FX)
2 2 (5.41%) Management Information System
3 1 (2.70%) Digital Media
3 1 (2.70%) Mainframe
3 1 (2.70%) User Experience
Operating Systems
1 3 (8.11%) Linux
2 1 (2.70%) Android
2 1 (2.70%) Apple iOS
2 1 (2.70%) Unix
Processes & Methodologies
1 23 (62.16%) Agile Software Development
2 16 (43.24%) Front End Development
3 12 (32.43%) Code Optimisation
4 10 (27.03%) TDD
5 9 (24.32%) MVC
5 9 (24.32%) OO
6 8 (21.62%) OOP
6 8 (21.62%) Test Automation
6 8 (21.62%) Web Development
7 7 (18.92%) Modular Programming
7 7 (18.92%) Scrum
7 7 (18.92%) SDLC
7 7 (18.92%) User Acceptance Testing
7 7 (18.92%) Web Application Development
8 6 (16.22%) Change Management
8 6 (16.22%) Content Management
8 6 (16.22%) Load Testing
9 3 (8.11%) Analytics
10 2 (5.41%) Defect Management
10 2 (5.41%) Performance Monitoring
Programming Languages
1 27 (72.97%) JavaScript
2 15 (40.54%) SQL
3 10 (27.03%) PHP
4 8 (21.62%) C#
5 3 (8.11%) Bash Shell
6 2 (5.41%) Java
7 1 (2.70%) Groovy
7 1 (2.70%) Perl
7 1 (2.70%) Python
7 1 (2.70%) Ruby
Qualifications
1 4 (10.81%) Degree
2 1 (2.70%) Computer Science Degree
2 1 (2.70%) ISEB
Quality Assurance & Compliance
1 1 (2.70%) QA
Systems Management
1 1 (2.70%) HP Quality Center
Vendors
1 8 (21.62%) Microsoft
2 7 (18.92%) Sitecore
3 3 (8.11%) Google
4 1 (2.70%) Apple
4 1 (2.70%) DoubleClick
4 1 (2.70%) Oracle
4 1 (2.70%) T-Plan