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Used by the content network, Cloudflare, to identify trusted web traffic.
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Whether a CAPTCHA or Javascript challenge has been solved.
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![[ad] The Great Fundraising Masterclass, Revolutionise. Dublin and London, September 2026](https://fundraising.co.uk/wp-content/uploads/2026/07/Banner-Ad-728x90-1.png.webp)
![[Airgid - book cover]](https://www.fundraising.co.uk/Graphics/books/airgid_flash99.jpg)
Macromedia’s graphic design package Flash is often regarded as a hindrance to making Web sites accessible. In nearly eight years of publishing online UK Fundraising has used a Flash graphic only half a dozen times or so, and we have always advised charities to steer clear of it in core online fundraising activities. Making sure as many people as possible can read your fundraising appeal is generally a sound approach.![[ad] The Great Fundraising Masterclass, Revolutionise. Dublin and London, September 2026](https://fundraising.co.uk/wp-content/uploads/2026/07/GFM-Series-26-UKF.png.webp)
