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Free dataMarketing and ecommerce data for journalists
30 free, sourced data sets on ecommerce, advertising, search and AI, websites and how people use the internet. Every one has a chart, the figures in a table, and Excel, PDF and CSV downloads, with the original sources listed. Free to use with a link back.
Ecommerce
Amazon advertising services revenue, 2019 to 2025
Amazon earned $68.6 billion from advertising services in 2025, more than five times the $12.6 billion it reported for 2019.
Online share of UK retail sales, 2010 to 2025
Internet sales made up 7.3% of all retail sales in Great Britain in 2010 and 27.5% in 2025.
Online shopping cart abandonment rates by study, 2015 to 2025
Baymard Institute's running list of 50 cart abandonment studies puts the average documented rate at 70.22%, meaning roughly seven in ten online baskets are left without a purchase.
Share of adults in Great Britain who shopped online in the last 12 months, 2008 to 2020
The share of adults in Great Britain who had bought something online in the past year rose from 53% in 2008 to 87% in 2020.
Shopify gross merchandise volume and revenue, 2015 to 2025
Shopify merchants processed $378.4 billion of orders in 2025, up from $7.7 billion in 2015.
US ecommerce share of total retail sales, Q1 2019 to Q2 2026
Ecommerce accounted for 10.0% of US retail sales in early 2019 and 17.1% by the second quarter of 2026, on a seasonally adjusted basis.
Advertising
Alphabet Google advertising revenue by type, 2017 to 2025
Google's advertising revenue rose from $95.6bn in 2017 to $294.7bn in 2025, with Search and other properties providing roughly three quarters of it every year.
Facebook lead ads benchmarks by industry, 2026
WordStream and LocaliQ's 2026 Facebook ads benchmarks for leads campaigns show an average click-through rate of 2.70%, cost per click of $1.80, conversion rate of 8.54% and cost per lead of $27.39 across industries.
Meta (Facebook) advertising revenue, 2014 to 2025
Meta's advertising revenue grew from $11.5bn in 2014 to $196.2bn in 2025.
Search ads benchmarks by industry, 2026
WordStream and LocaliQ's 2026 search advertising benchmarks show an average click-through rate of 6.64%, cost per click of $5.42, conversion rate of 8.18% and cost per lead of $66.69 across industries.
UK digital advertising spend, 2017 to 2025
UK digital advertising spend rose from £11.55bn in 2017 to £40.5bn in 2025, according to the IAB UK Digital Adspend study.
US internet advertising revenue, 2010 to 2025
US internet advertising revenue grew from $26.0bn in 2010 to $294.6bn in 2025, according to the IAB/PwC Internet Advertising Revenue Report.
Search and AI
AI chatbot market share, UK and worldwide, September 2026
ChatGPT accounted for about 80% of AI chatbot referrals both in the UK and worldwide in September 2026, according to StatCounter.
ChatGPT weekly active users, 2023 to 2026
OpenAI's publicly announced weekly active user figures for ChatGPT grew from 100 million in November 2023 to 900 million in February 2026.
Google core and spam update rollout times, 2024 to 2026
Google confirmed 17 core and spam ranking updates on its Search Status Dashboard between March 2024 and September 2026.
Google vs Bing worldwide search share, 2009 to 2026
Google has held roughly 90% to 93% of worldwide search engine referrals every year since 2009, according to StatCounter.
UK generative AI use by generation, 2026
63% of UK consumers aged 16 to 75 had used a generative AI app such as ChatGPT, Gemini or Claude by May 2026, according to Deloitte's Digital Consumer Trends survey.
UK search engine market share, September 2026
Google handled 91.35% of UK searches in September 2026, according to StatCounter's page view tracking.
Websites and tech
Browser market share in the UK, September 2026
Chrome accounts for just under half of UK web page views and Apple's Safari for almost three in ten.
CMS market share of all websites, October 2026
WordPress runs 39.5% of all websites and 58.3% of sites whose content management system can be identified, far ahead of any rival.
Core Web Vitals pass rate by CMS and ecommerce platform, mobile, September 2026
Hosted website builders lead on real-user speed: more than eight in ten Duda, GoDaddy and Wix sites pass all three Core Web Vitals on mobile.
Median web page weight, mobile and desktop, 2011 to 2026
The median web page now weighs about 2.7 MB on mobile and 3 MB on desktop, according to HTTP Archive's monthly crawls.
Mobile, desktop and tablet share of UK web traffic, 2012 to 2026
Mobile phones grew from about one in nine UK page views in 2012 to more than half by 2024, while desktop fell from 86% to around 41%.
WordPress version usage, October 2026
Two thirds of WordPress websites now run version 7, and another quarter are still on version 6.
Business, social and email
Daily time spent online by UK adults, by age and sex, May 2025
UK online adults spent an average of 4 hours 30 minutes a day online in May 2025, ten minutes more than a year earlier.
Email marketing open and click rates by industry, 2025
Across 3.6 million MailerLite campaigns sent between December 2024 and November 2025, the median open rate was 43.46% and the median click rate 2.09%.
Share of UK businesses using AI, 2023 to 2026
The share of UK businesses with 10 or more employees using at least one AI technology has almost tripled since ONS first asked in late September 2023.
UK adult reach of social media platforms, May 2025
YouTube, Facebook and WhatsApp each reach at least nine in ten UK online adults in a month, with Instagram at 78%.
UK adults who are recent internet users, 2013 to 2020
The share of UK adults who had used the internet in the last three months rose every year from 83.3% in 2013 to 92.1% in 2020.
UK digital advertising spend by format, 2025
UK digital advertising spend reached £40.5bn in 2025, up 10% on 2024.
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