London Underground Tube Map

This Design Icon and really useful tool was designed in 1933 and is as fresh today as the day it was published. It's a piece of art, which plays a big a role in keeping London moving.

The Tube (an early map)

Source: London Transport Museum

'Warning this page has insecure content'

'Warning this page has insecure content' have you seen this message?

Keep your security turned and fix it today. Boost your web traffic using Chrome's java console. It's easy  

If you have seen this message you can fix it with this simple walkthrough in minutes.
It is probably having an adverse effect on your web traffic. Make sure your devices are secure.

Simple text based tutorial

If you have seen this warning, then you are not alone. This is a very common problem experinced by 90% of Chrome users and is very quick to fix too. There is also a variant that looks like this.

'Warning this site has insecure content'

There are many videos on the web telling you to bypass this message and turn off your security.
This is not a solution.  Follow this simple way to fix this problem very quickly and effectively without turning of your security.