SVG format: how to embed graphic files into your website

Increasing the size of a raster graphic beyond its actual resolution comes with a loss of quality, which can lead to serious problems in your responsive web design, including increased loading times and a lower ranking in search engine results pages. Optimizing GIF, PNG, and JPG images to display properly across different devices can rapidly turn into a mammoth task. Because of this, vector graphics in the SVG format are becoming increasingly popular. But what is behind the technology that was issued as a standard in 2001? And how do you integrate flexible image files into your web project? [...]  

ARP Spoofing – flaws in network security

When it comes to network security, administrators focus primarily on attacks from the internet. But often times, the danger lurks in the internal network. If the LAN turns out to be a blind spot in the security IT, then internal attackers have an easy time. A popular method of attack is ARP spoofing. With this, hackers switch undetected between two communication partners in order to intercept, read, or manipulate data traffic. What exactly is ARP spoofing and what types of countermeasures exist? [...]  

502 Bad Gateway: Where’s the problem?

HTTP status codes emerge when something isn’t running properly on the internet. In this respect, the 502 Bad Gateway error is no exception. But this familiar error message can be particularly tricky: It’s not actually clear where the source of the problem lies. In the chain of gateways along which internet requests run, the error could occur at a number of different points. This article explains where internet users and webmasters can start their search for the source of the error. [...]  

403 Forbidden: What does the http status code mean and how do you fix it?

Is your browser displaying an http error 403 instead of the web page you requested? This means that the web server has not granted you access to that page. The reason for this differs from case to case; sometimes the website operator as secured this area from being accessed but sometimes it’s simply a case of adjusting your browser settings. This article outlines the various causes of the http status code 403 and explains what you can do to fix it. [...]  

HTTP 503 (Service Unavailable): meaning and troubleshooting

It’s very likely that you’ve stumbled on the 'HTTP Error 503 The service is unavailable' notification or something similar during your daily browsing. The error message appears whenever a web server can’t display the website that the user is trying to access. There are many reasons for these notifications, just as there are many solutions. It’s your responsibility as the website operator to rectify the problem. [...]  

Node.js: the JavaScript runtime environment at a glance

With the software platform, Node.js, you can use JavaScript server-side and benefit from the asynchronous, event-based programming and the range of options for developing server applications. In this Node.js tutorial, we give you an overview of the program’s modular structure, explain how you can install program modules at any time using the integrated package manager, NPM, and use them to set up your first Node.js-based web server. [...]  

Log analysis: What the web server log reveals about your visitors

How many pages are accessed by a single user when they’re visiting your website? And which links or search queries did they use to lead them to you? To answer such questions, well-known web analysis tools like Google Analytics seem to be the only option. But the web server’s automatically generated log file also provides a solid foundation for user information. The following guide discusses the possibilities of log file analysis. [...]  

Newsletter subject line: how to make customers curious

E-mail advertising is the ideal supplement to online marketing methods such as SEO or SEA. With the correct newsletter subject line, you can attract the reader’s attention – but it is crucial to choose the right content and text. Here are a few important basic rules for increasing your newsletter’s opening rate and, with that, your conversions. [...]  

What is MAC spoofing?

MAC spoofing is a method by which unique hardware addresses are masked using a Locally Administered Address (LAA) in the software. MAC spoofing can offer protection for your privacy when using public LAN or WLAN networks, but can also be used for illegal network activities. We explain to you here how MAC spoofing works and which settings in Windows must be accessed in order to change your MAC address. [...]  

Pinterest for businesses

It would be a serious mistake not to take Pinterest seriously as a marketing platform. While it may look like an extensive photo album of recipe ideas, DIY tutorials, and dream holiday destinations, the truth is that the social media site can offer a valuable service: generating referral traffic for your company website. Brands can use the platform to curate their image and attract new potential customers to their website. In this guide, you can find a summary of the most important facts and features. [...]