WebSockets
Kensington and Chelsea > Chelsea
The table below provides summary statistics and salary benchmarking for jobs advertised in Chelsea requiring WebSockets skills. It covers permanent job vacancies from the 6 months leading up to 26 February 2026, with comparisons to the same periods in the previous two years.
| 6 months to 26 Feb 2026 |
Same period 2025 | Same period 2024 | |
|---|---|---|---|
| Rank | 3 | 9 | - |
| Rank change year-on-year | +6 | - | - |
| Permanent jobs citing WebSockets | 1 | 1 | 0 |
| As % of all permanent jobs in Chelsea | 33.33% | 2.70% | - |
| As % of the Libraries, Frameworks & Software Standards category | 100.00% | 12.50% | - |
| Number of salaries quoted | 1 | 1 | 0 |
| 10th Percentile | - | - | - |
| 25th Percentile | £125,000 | £105,000 | - |
| Median annual salary (50th Percentile) | £130,000 | £110,000 | - |
| Median % change year-on-year | +18.18% | - | - |
| 75th Percentile | £135,000 | £115,000 | - |
| 90th Percentile | - | - | - |
| Kensington and Chelsea median annual salary | £130,000 | £110,000 | - |
| % change year-on-year | +18.18% | - | - |
All Software Libraries and Frameworks
Chelsea
WebSockets falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills in Chelsea.
| Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills | 1 | 8 | 1 |
| As % of all permanent jobs advertised in Chelsea | 33.33% | 21.62% | 6.67% |
| Number of salaries quoted | 1 | 1 | 1 |
| 10th Percentile | - | - | - |
| 25th Percentile | £125,000 | £105,000 | £83,750 |
| Median annual salary (50th Percentile) | £130,000 | £110,000 | £87,500 |
| Median % change year-on-year | +18.18% | +25.71% | +9.38% |
| 75th Percentile | £135,000 | £115,000 | £91,250 |
| 90th Percentile | - | - | - |
| Kensington and Chelsea median annual salary | £130,000 | £110,000 | £87,500 |
| % change year-on-year | +18.18% | +25.71% | +9.38% |
WebSockets
Co-Occurring Skills & Capabilities in Chelsea by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category: