WordPress plugins Used by UK Field Services Companies: Market Share (2026)
Detected WordPress plugin market share across 3,828 UK field services companies, with Site Kit ranked first at 32.7% (1,251 companies).
Across 248,331 trading UK field services companies, 3,828 have a detectable WordPress plugin, with 24 systems detected. Site Kit has the largest footprint at 32.7% (1,251 companies), followed by Max Mega Menu at 12.3% (470) and Jetpack at 11.5% (442).
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The next tier is closely bunched: Essential Addons for Elementor has 11.0% (422 companies), Smush 8.9% (342), iThemes 5.3% (202), Autoptimize 4.9% (188), and JetEngine 4.1% (157). The remaining 16 systems cover 568 companies, leaving a long tail rather than a two-system market.
Site Kit also has the largest share in each employee band: 32.7% among 2,624 companies under 10 employees, 31.5% among 1,105 companies with 10–50 employees, and 46.5% among 99 companies over 50 employees. The over-50 band is small, but its Site Kit share is higher than in the two smaller bands.
3,828
field services with detected WordPress plugins
Of 248,331 UK field services
1.5%
Detection rate
2026
24
Systems detected
In this category
32.7%
Leader share
Site Kit
UK Field Services WordPress plugins market share
Share of the 3,828 UK Field Services with a detectable system. As of June 2026.
WordPress plugins compared
| System | UK Field Services | Share | Median headcount | London share | Typical profile |
|---|---|---|---|---|---|
| Site Kit | 1,251 | 32.7% | 6 | 9.1% | Small teams, 32.7% share |
| Max Mega Menu | 470 | 12.3% | 6 | 12.1% | Small teams, median 6 employees |
| Jetpack | 442 | 11.5% | 6 | 13.1% | Small teams, 11.5% share |
| Essential Addons for Elementor | 422 | 11% | 7 | 12.8% | Slightly larger teams, median 7 employees |
| Smush | 342 | 8.9% | 7 | 9.6% | Small teams, median 7 employees |
| iThemes | 202 | 5.3% | 6 | 15.3% | Small teams, 15.3% London share |
| Autoptimize | 188 | 4.9% | 6 | 10.1% | Small teams, median 6 employees |
| JetEngine | 157 | 4.1% | 6 | 10.8% | Small teams, median 6 employees |
| GoDaddy CoBlocks | 142 | 3.7% | 6 | 14.1% | Small teams, 14.1% London share |
| EWWW Image Optimizer | 123 | 3.2% | 6 | 12.2% | Small teams, median 6 employees |
| Breadcrumb NavXT | 118 | 3.1% | 7 | 13.6% | Small teams, median 7 employees |
| Perfmatters | 66 | 1.7% | 8 | 10.6% | Larger small teams, median 8 employees |
| Animate It | 58 | 1.5% | 7 | 8.6% | Small teams, median 7 employees |
| GenerateBlocks | 51 | 1.3% | 8 | 11.8% | Larger small teams, median 8 employees |
| a3 Lazy Load | 37 | 1% | — | — | View these companies in Firmbase → |
| Essential Blocks | 37 | 1% | — | — | View these companies in Firmbase → |
| ContentViews | 34 | 0.9% | — | — | View these companies in Firmbase → |
| Elementor Addon Elements | 27 | 0.7% | — | — | View these companies in Firmbase → |
| WP Portfolio | 19 | 0.5% | — | — | View these companies in Firmbase → |
| Flying Pages | 16 | 0.4% | — | — | View these companies in Firmbase → |
| Advanced Custom Fields | 14 | 0.4% | — | — | View these companies in Firmbase → |
| HT Mega | 14 | 0.4% | — | — | View these companies in Firmbase → |
| Shortcodes Ultimate | 12 | 0.3% | — | — | View these companies in Firmbase → |
| WooBeWoo | 3 | 0.1% | — | — | View these companies in Firmbase → |
Systems detected below the page threshold appear with counts only; their full lists are available in the Firmbase app.
Market leader by size
The leading WordPress plugins system shifts with company size: among UK Field Services with under 10 employees, Site Kit leads at 32.7% of the 2,624 with a detectable system; among UK Field Services with 10–50 employees, Site Kit leads at 31.5% of the 1,105 with a detectable system; and among UK Field Services with over 50 employees, Site Kit leads at 46.5% of the 99 with a detectable system.
Under 10 employees
32.7% of band
Under 10 employees is the largest detected band, with 2,624 companies. Site Kit has the largest share at 32.7%, with Max Mega Menu, Jetpack, Essential Addons for Elementor and Smush forming the next layer among small field services operators.
10–50 employees
31.5% of band
10–50 employees contains 1,105 companies. Site Kit has the largest share at 31.5%, while navigation, content, performance and image-optimisation plugins compete below it.
Over 50 employees
46.5% of band
Over 50 employees is a much smaller detected band, at 99 companies. Site Kit has 46.5% share here, making this band more concentrated than the two smaller employee bands.
How WordPress plugins usage is detected
Company data
Detected companies are joined to UK Companies House records and XBRL accounts data. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Detection
Firmbase crawls the public website of actively-trading UK companies and fingerprints the technologies present: tracking scripts, embedded forms, chat widgets, CMS markers and similar signatures. A company is included in this list when one or more of the technology's signatures are found on its site; closely-related variants of the same product are grouped under one name. Detection covers what is visible on the public web — a company using the technology purely internally, with no website footprint, will not appear. Counts are therefore a conservative floor, not a ceiling.
Freshness
Websites are re-crawled on a rolling basis and the underlying company data is refreshed from Companies House continuously; filings appear within days of submission. The list and its statistics are regenerated when the detected cohort moves meaningfully. You can see the last-updated timestamp near the top of the page.
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Frequently asked questions
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