HTTP

Image: How do you convert a website to HTTPS (SSL)?Bakhtiar ZeinShut­ter­stock

How do you convert a website to HTTPS (SSL)?

Data security is more important than ever. If your site still uses HTTP, it’s time to switch to HTTPS. This guide explains how to safely and ef­fi­ciently migrate your website to HTTPS, step-by-step, suc­cess­fully switch to SSL en­cryp­tion, and ul­ti­mately create a secure website to…

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Image: What does error 404 mean and why does it occur?GajusShut­ter­stock

What does error 404 mean and why does it occur?

HTTP 404 error pages serve as in­form­a­tion that the requested page is not available. This is frus­trat­ing not only for users but also for website owners, as a broken link can neg­at­ively affect search engine rankings. Such errors are easy to avoid or quickly fix. Creating creative…

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Image: Learn how to CodeBEST-BACK­GROUNDSShut­ter­stock

Learn how to Code

Welcome to the digital age: every day the average Brit spends hours looking at smart­phone screens and PC monitors. But most still lack even a basic un­der­stand­ing on how the programs affecting their everyday life work. If you think you may fit into this demo­graph­ic, don’t worry:…

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Image: HSTSagsandrewshut­ter­stock

HSTS

HTTPS, the network protocol for TLS-encrypted data transfer online can be cir­cum­ven­ted in some cases. The danger is that encrypted websites can be accessed via un­en­cryp­ted HTTP. But the HTTPS extension HSTS (HTTP Strict Transport Security) forces website access via TLS…

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Image: First-Party CookiesAlena HaurylikShut­ter­stock

First-Party Cookies

When it comes to cookies, the small text files for internet browsers, a dis­tinc­tion must be made between first-party cookies and third-party cookies. First-party cookies improve a website’s user-friend­li­ness by storing user pref­er­ences as well as in­form­a­tion that has already been…

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Image: What are Third-Party Cookies?EvaStarShut­ter­stock

What are Third-Party Cookies?

Anyone who en­coun­ters per­son­al­ised ad­vert­ising on the internet might at first find it odd. How does the internet know that I am in­ter­ested in going on holiday? Most users leave clear foot­prints on the net that can be used to create virtual “user profiles”. Third party cookies…

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Image: What is HTTP/2alice-photoShut­ter­stock

What is HTTP/2

HTTP/2 has been released and is the official successor of the internet protocol HTTP/1.1. It is already com­pat­ible with most of the current web browsers and servers. Up to this point, many of the bigger website operators have switched to using the new transfer protocol. But what…

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Image: How to fix Error 401 UnauthorizedRoland IJdemaShut­ter­stock

How to fix Error 401 Un­au­thor­ized

You’re surfing around on the internet, but instead of getting the desired content you only receive an error message: annoying or even downright frus­trat­ing. Es­pe­cially if you don’t exactly know what the status is supposed to mean. How are you expected to solve the problem, if you…

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Image: How to fix Error HTTP 504 (Gateway Timeout)windwheelShut­ter­stock

How to fix Error HTTP 504 (Gateway Timeout)

If the error message ‘HTTP 504 Gateway Timeout’ appears when you attempt to open a website, it means that the allowed time for re­spond­ing to browser queries has been exceeded. A lot of the time the culprit is not the web server itself, but instead some other component of the…

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Image: What is the Server Name Indication (SNI)?Martin Charles HatchShut­ter­stock

What is the Server Name In­dic­a­tion (SNI)?

What is server name iden­ti­fic­a­tion, really? En­cryp­tion tech­no­lo­gies play a big role when it comes to surfing on the net. Credit card data and other personal in­form­a­tion must not fall into the hands of criminals. For now, TLS is one of the protocols used for this purpose. But it…

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