Category Archives: Internet

HTTP pages will be marked as unsecure in Google Chrome

Many webpages still use HTTP – Hypertext Transfer Protocol – instead of its secured counterpart HTTPS. That extra “S” means that connection is encrypted by protocol TLS/SSL, so nobody can get data like data in formulars or even passwords. This is critical for services like Internetbanking or any e-shop. Never send passwords or any sensitive data via websites… Read More »

Smart Internet indicator for Mac – I’m online?

More and more households are getting a wireless router to create Local Area Network (LAN) with Internet connectivity. Router is something like door between your home network and worldwide Internet. Internet connection is, of course, not required to create LAN, you can create home network to link computers together without any access to Internet. Sometimes something goes wrong… Read More »

GIF is 30 years old

GIF is graphic format – Graphich Interchange Format – which was first specificated in May 1987. GIF is well known for it’s limit of 256 colour spectrum and support for animations and aplha channel to create transparent pictures. GIF is one of the oldest widely used graphic formats – for example, TIFF was created in Spring 1986. GIF… Read More »

Image reverse “googling”

In this world of social networks, like Twitter, Facebook, Instagram etc, where we upload our personal photos or “selfies”, we may meet with steal of identity. Photos, like mentioned “selfies”, are very easy to download and to abuse. Someone may create fake profile with your photo and claim that it’s you. It may cause a lot of problems… Read More »