Websites using Postcoder
Postcoder is the API for address lookup and form validation.
Postcoder is currently installed on 326 websites.
In this report
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Postcoder Usage Over Time
Total websites with Postcoder installed, measured weekly.
| Week | Installs |
|---|---|
| 2025-06-14 | 54 |
| 2025-06-21 | 90 |
| 2025-06-28 | 137 |
| 2025-07-05 | 160 |
| 2025-07-12 | 191 |
| 2025-07-19 | 226 |
| 2025-07-26 | 261 |
| 2025-08-02 | 305 |
| 2025-08-09 | 316 |
| 2025-08-16 | 313 |
| 2025-08-23 | 315 |
| 2025-08-30 | 317 |
| 2025-09-06 | 318 |
| 2025-09-13 | 310 |
| 2025-09-20 | 310 |
| 2025-09-27 | 312 |
| 2025-10-04 | 311 |
| 2025-10-11 | 311 |
| 2025-10-18 | 315 |
| 2025-10-25 | 313 |
| 2025-11-01 | 314 |
| 2025-11-08 | 315 |
| 2025-11-15 | 315 |
| 2025-11-22 | 319 |
| 2025-11-29 | 321 |
| 2025-12-06 | 317 |
| 2025-12-13 | 318 |
| 2025-12-20 | 317 |
| 2025-12-27 | 317 |
| 2026-01-03 | 317 |
| 2026-01-10 | 317 |
| 2026-01-17 | 318 |
| 2026-01-24 | 319 |
| 2026-01-31 | 288 |
| 2026-02-07 | 268 |
| 2026-02-14 | 302 |
| 2026-02-21 | 305 |
| 2026-02-28 | 301 |
| 2026-03-07 | 306 |
| 2026-03-14 | 303 |
| 2026-03-21 | 306 |
| 2026-03-28 | 307 |
| 2026-04-04 | 306 |
| 2026-04-11 | 305 |
| 2026-04-18 | 304 |
| 2026-04-25 | 306 |
| 2026-05-02 | 308 |
| 2026-05-09 | 305 |
| 2026-05-16 | 304 |
| 2026-05-23 | 307 |
| 2026-05-30 | 305 |
| 2026-06-06 | 316 |
| 2026-06-13 | 318 |
| 2026-06-20 | 319 |
| 2026-06-27 | 317 |
| 2026-07-04 | 326 |
| 2026-07-11 | 338 |
| 2026-07-18 | 334 |
| 2026-07-25 | 334 |
| 2026-08-15 | 335 |
| 2026-08-22 | 336 |
| 2026-08-29 | 335 |
| 2026-09-05 | 335 |
| 2026-09-12 | 333 |
| 2026-09-26 | 328 |
| 2026-10-03 | 326 |
Top Websites Using Postcoder
Here are the top 5 websites running Postcoder ordered by rank.
| Domain | Title | Rank |
|---|---|---|
| www.mrandmrssmith.com | Mr & Mrs Smith - The world's best boutique & luxury hotels | 15,375 |
| womensaid.org.uk | Home - Women's Aid | 23,418 |
| kidneycareuk.org | Kidney Care UK, the UK's leading kidney patient support charity | Kidney Care UK | 43,383 |
| www.purepetfood.com | Personalised Healthy Natural Dog Food - Pure Pet Food | 51,701 |
| www.kfc.co.uk | KFC | Find a Restaurant & Order Online for Takeaway or Delivery | 63,702 |
Top Countries for Websites Using Postcoder
Here is the country breakdown for websites with Postcoder installed.
- 49.4% of websites using Postcoder are in United Kingdom
- 2.1% of websites using Postcoder are in Ireland
- 0.6% of websites using Postcoder are in South Africa
| Country | Websites |
|---|---|
| United Kingdom | 161 |
| Unknown | 154 |
| Ireland | 7 |
| South Africa | 2 |
| Montenegro | 1 |
| United States | 1 |
Top Categories for Websites Using Postcoder
Here are the top industry verticals for websites using Postcoder.
- 35% of websites using Postcoder are in the Business & Industrial category.
- 24.5% of websites using Postcoder are in the Home & Garden category.
- 9.2% of websites using Postcoder are in the Autos & Vehicles category.
- 9.2% of websites using Postcoder are in the Hobbies & Leisure category.
| Category | Websites |
|---|---|
| Business & Industrial | 114 |
| Home & Garden | 80 |
| Autos & Vehicles | 30 |
| Hobbies & Leisure | 30 |
| Computers & Electronics | 28 |
| Food & Drink | 21 |
| Shopping | 21 |
| Health | 19 |
| Arts & Entertainment | 14 |
| Jobs & Education | 13 |
Technologies Co-installed with Postcoder
These are the technologies most commonly found alongside Postcoder on the same websites.
| Technology | Websites |
|---|---|
| Google Tag Manager | 211 |
| Google Ads Pixel | 182 |
| Google Adsense | 182 |
| Vimeo | 148 |
| Google Analytics | 140 |
| Facebook Pixel | 131 |
| YouTube Player | 122 |
| reCAPTCHA | 117 |
| Google Analytics 4 | 101 |
| Microsoft 365 | 92 |
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