ERR_NAME_NOT_RESOLVED Error

“ERR_NAME_NOT_RESOLVED”: how to fix this DNS error in the Google Chrome browser

Chrome has recently become the most widely used browser in the world. However, this Google application is just as helpless as its competitors Firefox, Opera and Safari when it comes to technical problems on the server or client side. For example, if the domain name cannot be resolved by the DNS, Chrome will simply display the error message “ERR_NAME_NOT_RESOLVED”. In the following article, you...

Graph database

Graph databases explained

There are plenty of models for processing and storing large quantities of data. However, conventional databases with their rigid tabular structures quickly reach their limits when modelling complex relationships. So-called ‘graph databases’ have proven themselves to be particularly efficient for dealing with intensely interconnected data. But what exactly can they do?

PHP 5.6 Support

PHP 5.6: Support stops at the end of 2018

Security support for PHP 5.6 ceases at the end of the year. Although developers had already postponed the end date by a year, many website operators still seem to be unprepared. A large number of websites still run on PHP 5.6. From January onwards, these websites will be at risk. However, many are dreading the update. How can you protect your website?

DNS Records

DNS Records: How Do DNS Records Work?

Without the Domain Name System, the internet as we know it today would be inconceivable. The system for name resolution itself, is based on DNS records. In these simply structured records in normal text files, a name is stored for each IP address. However, DNS records can do more than this. Also known as resource records, various types of them exist.

Error 405 Method Not Allowed: Explanation and solutions

HTTP Error “405 Method Not Allowed”: How to solve the problem

HTTP is indispensable as a mediator between the browser and web server: Both communicate with each other using the transmission protocol on the application layer by sending various types of messages. With an HTTP request, for example, the browser can request a resource or return its own data to the server. If one of these HTTP methods doesn’t work, error 405 (Method Not Allowed) occurs. But what...

FTP programs

Five excellent FTP programmes for web hosting

Are you familiar with the file transfer protocol also known as FTP? Those who answered this question negatively are advised to learn more about FTP by reading this guide. FTP immensely eases the task of transferring data over the internet. FTP servers are an especially wise choice when faced with the job of transferring large volumes of data. Transferring files to servers for exchange requires a...

HTTP 408: How to fix the “Request Timeout” error

HTTP 408: how to fix the timeout error

Permanent availability is one of the most important things when it comes to a website. However, even the best technical conditions do not offer a 100% guarantee that a website will constantly run smoothly. Connection errors like HTTP error 408 regularly present websites with minor and major difficulties, especially since the causes are often found on the client side. Our guide looks at the causes...

Databases

Databases – why do you need them and what kinds are there?

Databases are a fundamental part of our information society today. They organise electronic data and regulate access to it. Databases have a wide range of applications, both commercial and private. Each database system has a database management system based on a specific database model. Whilst the history of the database began with the hierarchical model, today the relational database model is the...

Cross Browser Testing

Cross browser testing

Optimising your website on all devices and browsers serves is an important badge of quality for both users as well as search engines. Due to the sheer amount of different web browsers, this aspect of optimisation is often overlooked. Cross browser testing tools analyse how your website is displayed in different browsers, identify problematic codes, and support you with optimisation.


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