Let's Encrypt 64-Day Certificates: Prepare Your Renewal Setup
Let's Encrypt switches to 64-day certificates on February 10, 2027. Check your ACME renewal client, scripts, reloads, and alerts before the change.
Let's Encrypt switches to 64-day certificates on February 10, 2027. Check your ACME renewal client, scripts, reloads, and alerts before the change.
DNS record updates do not apply everywhere instantly. Learn how TTL values control propagation speed, how to flush your local cache, and how to verify records.
Leaving HTTP open exposes passwords and hurts search ranking. Learn how to redirect all HTTP traffic to HTTPS using Cloudflare, Nginx, Apache or cPanel.
SPF fails with PermError when your record requires more than 10 DNS lookups. Discover which includes cause the limit and how to flatten or clean your record.
Layout shift happens when content moves as a page loads. Find the shifting elements, reserve space for images, ads and fonts, and aim for a CLS under 0.1.
Structured data tells search engines what a page is about. Add JSON-LD schema for your business, articles and FAQs, then validate it with Google's Rich Results Test.
No MX record means email sent to your domain bounces. Check it with a lookup, add the records your email provider gives you, and wait for DNS to update.
Render-blocking CSS and JavaScript delay the first paint of your page. Find them in PageSpeed Insights, then defer scripts and load only the CSS you need.
A name mismatch error means your certificate does not cover the address visitors typed. Check the names on the certificate, then reissue it with the right ones.
The 'allowed memory size exhausted' error means PHP ran out of memory. Raise the limit in wp-config.php, then find the plugin or task that uses too much.