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PHP 8.2 only receives security updates until the end of 2026. This article explains which PHP versions are still maintained, why outdated PHP puts your website at risk and how to upgrade safely to a newer version step by step - without unpleasant surprises.
Gmail, Yahoo and Outlook.com require SPF, DKIM and DMARC from senders of larger volumes. If you ignore the rules, your emails end up in spam or are rejected. Here is how to meet the requirements step by step.
Passkeys replace your password with a cryptographic key pair stored on your device. This makes the login more convenient and provides reliable protection against phishing. We explain how passkeys work, why they are more secure, and how you can use them in the SpeedIT customer area.
Attacks, bots and load peaks hit every website. ShieldCache sits in front of it as a reverse proxy with a web application firewall based on the OWASP Core Rule Set and HTTP cache - without changing your host, with servers in Germany and set up yourself in minutes.
On 30 October 2026, we will discontinue all PHP versions below 8.2 on our web servers. This affects PHP 5.x, 7.x, 8.0 and 8.1 - they no longer receive security updates. We will automatically migrate affected domains to PHP 8.4. Learn how to check your version and prepare your website in good time.
AI crawlers such as GPTBot and ClaudeBot can place a significant strain on websites. This article explains which bots are out there, how to control them via robots.txt, how to restrict them technically, and how to reduce server load using caching, rate limiting and firewall rules without slowing down genuine visitors.
Three copies, two storage types, one of which is off-site: the 3-2-1 backup rule is the tried-and-tested foundation of any data backup. Find out how to create a reliable backup for your website, database and mailboxes, and why the hosting provider’s backup alone is not enough.
In SpeedIT Solutions container hosting, a central reverse proxy sits in front of every project. It handles SSL certificates, HTTPS redirects, compression and access control automatically. Your container only delivers the application - no separate web server container needed.
How quickly does your page load, how responsive is it, and how stable is the layout? We explain the three Core Web Vitals, their thresholds and what you can do specifically to improve them.
Our website now runs on its own platform rather than on WordPress: it’s more than three times as fast, uses no cookies or external sources, offers greater security - and is now available in English too.
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