d3e6f5e65ef740607c65427eef6dbf9f

0216c25803f97c3711efe6f53d2d1820

2369b9876e84939d3329f22380485534

cdcc55cdaf68bc7a1f7c95c0f99f0ac1

a482e365ce94a1542e1e4724516307c5

7fa3e8118ea5d0085d9af68a96fbd2fa

When viewed on small screens (like mobile phones) content should be large enough to 
read without being zoomed-into and scrolled in two dimensions.

WCAG 2.1 specifically requires this for:

+ Vertical scrolling content at a width equivalent to 320 CSS pixels
+ Horizontal scrolling content at a height equivalent to 256 CSS pixels

This issue almost always indicates that the webpage has not been designed
to work on mobile devices at all.

extreme-zoom-scrolling

January 2026

December 2025

Secret Intelligence Service

	Title / URL	Issues
	d3e6f5e65ef740607c65427eef6dbf9fwww.sis.gov.uk/media/oembed/d3e6f5e65ef740607c65427eef6dbf9f/	1
	0216c25803f97c3711efe6f53d2d1820www.sis.gov.uk/media/oembed/0216c25803f97c3711efe6f53d2d1820/	1
	2369b9876e84939d3329f22380485534www.sis.gov.uk/media/oembed/2369b9876e84939d3329f22380485534/	1
	cdcc55cdaf68bc7a1f7c95c0f99f0ac1www.sis.gov.uk/media/oembed/cdcc55cdaf68bc7a1f7c95c0f99f0ac1/	1
	a482e365ce94a1542e1e4724516307c5www.sis.gov.uk/media/oembed/a482e365ce94a1542e1e4724516307c5/	1
	7fa3e8118ea5d0085d9af68a96fbd2fawww.sis.gov.uk/media/oembed/7fa3e8118ea5d0085d9af68a96fbd2fa/	1

Ensure pages don't require zooming and 2D scrolling on small screens

Secret Intelligence Service

Where this issue has occurred