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WordPress HTTPS and mixed content: a practical checklist
Move WordPress to HTTPS safely. Check the server certificate, site URLs, mixed content, redirects and important customer journeys after the change.
A WordPress HTTPS change touches more than the browser’s address bar. A Bangladesh shop may also depend on payment callbacks, courier integrations, login forms, multilingual pages and external media. Plan checks for those flows before changing URLs.
This is a preparation and verification guide for self-hosted WordPress. Hosting-managed WordPress, multisite and reverse-proxy setups can need different procedures. Use a backup and staging copy where possible, and retain a way to recover access if wp-admin stops loading.
In this guide
A practical checklist
Establish a clean HTTPS connection
Visit the intended public hostname over HTTPS and check its certificate names and validity. If TLS fails before a page loads, solve the server, CDN or certificate problem first. A WordPress plugin cannot repair a missing origin certificate.
Back up and record the current settings
Keep a restorable database and file backup. Note WordPress Address, Site Address, hosting redirects, CDN settings and any hardcoded URL definitions. Identify the person who can restore access without relying on the affected website.
Align the canonical URL and proxy configuration
Choose the intended HTTPS hostname and use the hosting/application procedure that fits your setup. Behind a trusted reverse proxy, WordPress must correctly recognize HTTPS. Incorrect forwarding or conflicting redirects can create a loop.
Replace insecure resource references carefully
Use browser developer tools to identify HTTP assets and the page or plugin that generates them. Fix the source or use a serialization-aware WordPress migration tool with a dry run. Blind SQL text replacement can damage serialized settings.
Test real user journeys
Check the home page, article images, search, account login, contact forms and a payment provider’s sandbox flow where available. Check webhooks and callbacks using the provider’s test tools. A successful homepage is not enough evidence for checkout.
Finish redirects and indexing checks
Confirm HTTP and unwanted hostname variants lead to the intended HTTPS URL without loops. Update internal links, sitemap and canonical settings where needed. Clear relevant caches and recheck in a fresh browser session.
Common problems and decisions
Mixed content persists
Trace the exact HTTP URL to its source. Theme options, page-builder data, CSS backgrounds and third-party widgets may each need a separate fix. Browsers can block some insecure resources even when the main page is encrypted.
Too many redirects
Compare the CDN encryption mode, server redirect rules and WordPress scheme detection. Change one layer at a time and keep a record of the previous setting.
An external resource has no HTTPS version
Replace the resource or remove the dependency. Hiding a browser warning or weakening security does not make the resource secure.
Prepare for the next conversation
Before a support session, share the affected public URLs, browser error and hosting/CDN arrangement. Provide a secure temporary access method only when necessary. Agree who tests order confirmation, account access and customer forms after deployment; never use a real payment solely to prove an HTTPS change.
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Common questions
Do I need a paid certificate for WordPress?
WordPress itself does not require a paid certificate. Choose coverage, validation and support based on your needs, and keep whichever suitable certificate you use correctly renewed.
Can an SSL plugin solve every HTTPS problem?
No. A plugin may help with redirects or content rewriting, but it does not replace certificate issuance, server installation or correct proxy configuration.
Should I enable HSTS immediately?
First verify HTTPS and all affected hostnames reliably. HSTS can make recovery harder when applied too broadly; treat it as a separate deliberate configuration change.
Will HTTPS guarantee better Google rankings?
No. HTTPS supports a secure website, but it does not guarantee a ranking increase or replace useful content, crawlability and a reliable user experience.