Knowledge base
Guides that walk you through a task step by step — written by the people who run the technology at WWW4 themselves.
Domain names
4 articles- Changing the nameservers of your domain Nameservers decide which server has the final say over your domain name. Changing them moves the entire DNS ma…
- Requesting a transfer code for your domain To move a domain name to another party you need a transfer code — depending on the extension also called an EP…
- Adding or changing a DNS record Most external services — a shop platform, a mail provider, a Google verification — ask you to add a single rec…
- Creating a subdomain: when and why? A subdomain is a separate address under your main domain. Technically simple, but the choice has consequences.…
Web hosting
8 articles- Changing the PHP version of your website A newer PHP version is faster and receives security updates. A version that is too old will one day trip your…
- Error codes 403, 404 and 500: what do they mean? Three numbers that tell you where to look. Confusing them wastes time.403 — forbiddenThe server finds the file…
- My hosting is full: what now? Full hosting rarely announces itself. The symptoms are email that stops arriving, sends that fail, or a site t…
- Moving a website: the checklist A move rarely fails on transferring the files and almost always on everything around them.Before you startLowe…
- Cleaning up the WordPress database A WordPress database grows without anybody tending it. At some point that becomes measurable in speed.Revision…
- Optimising images: the quickest win On most sites images make up the bulk of a page's weight. So that is where the biggest speed gain sits.The rig…
- My site is down: what do you check first? First check whether it is really your site. Half of these cases are local.Is it down for everybody?Test from y…
- Raising the PHP memory limit: when and how? "Memory exhausted" is a common error, and raising the limit is the usual reflex. It is not always the right an…
- Forwarding email to another address You want mail to info@ to land with one person, or an old address to keep working for a while. There are three…
- Setting up email on your phone: IMAP or POP? That choice decides whether you see the same thing on every device. For almost everybody the answer is IMAP.IM…
- My mailbox is full: what now? A full mailbox gives no warning: it simply refuses incoming mail. The sender gets an error, you get nothing.Lo…
- My spam filter is too strict A filter letting too much spam through is annoying. A filter blocking real email costs money. The second probl…
- Setting up an out-of-office autoresponder Simple to switch on, and still the source of three recurring problems.What it should containThe period, a stan…
Backups
1 articlesSecurity
2 articlesNot finding your question?
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