SPF, DKIM and DMARC: Getting Your Email Delivered

SPF, DKIM and DMARC: Getting Your Email Delivered

If your order confirmations land in spam, the cause is usually not your mail server. It is that receiving servers cannot verify you are allowed to send for your domain. Here is how to fix that properly.

How to Find and Read Email Headers

How to Find and Read Email Headers

When email goes missing, lands in spam, or looks forged, the answer is in the headers. Where to find them in every major mail client, and how to read the one line that answers most questions.

A Beginner's Guide to Website Speed Optimisation

A Beginner’s Guide to Website Speed Optimisation

Most speed advice is a checklist with no order to it. This is the sequence we actually work in, why the server comes before the images, and the optimisations that are not worth your time.

WordPress Cron Jobs: Why Your Scheduled Posts Do Not Publish

WordPress Cron Jobs: Why Your Scheduled Posts Do Not Publish

WP-Cron is not a cron job. It runs on visitor page requests, so a page cache and a CDN can silently stop your scheduled posts, backups and WooCommerce renewals. How to fix it properly, in the right order.

What Is an XML Sitemap and Why Does Your Site Need One

What Is an XML Sitemap and Why Does Your Site Need One

An XML sitemap hands search engines a list of your pages. It takes minutes to set up, it is easy to break silently, and on a shop with a deep catalogue it is the difference between pages being found and ignored.

The End of Passwords: How Passkeys Actually Work

The End of Passwords: How Passkeys Actually Work

We first wrote about the end of passwords in 2013 and the candidates all failed. Passkeys are different, because the browser and operating system makers built it in themselves. How they work, and where they still fall short.

Email security

How to Secure Your Email Accounts

Your email account can reset almost every other account you own, which makes it the most valuable thing you have online. The checks that matter, including the one almost everyone misses.

Speed Up Website Transfers by Reducing DNS TTL

Speed Up Website Transfers by Reducing DNS TTL

If some visitors see your new server and others still land on the old one, this is why. Lowering TTL fixes it, but only if you do it a day in advance.

What a VPN Is Actually Good For

What a VPN Is Actually Good For

Most VPN marketing is built on a public Wi-Fi threat that near-universal HTTPS has largely removed. The genuine reasons to run one are less exciting and more useful, starting with a fixed IP address.

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