WPML Redirect Loop (ERR_TOO_MANY_REDIRECTS): Causes and Fixes

Your site was loading normally—until a language setting changed, a migration finished, or a new redirect rule went live. Now the browser flashes ERR_TOO_MANY_REDIRECTS, and every attempt to reach a translated page sends visitors in circles. A WPML redirect loop can look like a WPML failure, but the loop often begins where language URLs, server rules, caches, and domain settings overlap.

The frustrating part is that a redirect can be technically correct on its own while becoming disastrous when another layer tries to “correct” it again. HTTP-to-HTTPS rules, www preferences, CDN redirects, login settings, language directories, and migration leftovers can all compete for control of the same URL. Changing WPML settings at random may stop the symptom—or create a different loop somewhere else.

The safest path is to find out which layer sends the first conflicting redirect before committing to a permanent fix. Once that pattern is visible, the endless loop becomes far less mysterious—and much easier to resolve without breaking the rest of a multilingual site.

What Causes a WPML Redirect Loop?

Conflicting language URL settings

A redirect loop rarely starts with one broken setting. It starts when two systems each believe they know where a visitor belongs. In a typical WPML redirect loop, WPML sends a French visitor to /fr/, for example, while WordPress, the web server, or an old redirect rule sends that request back to the default-language URL.

This is especially common after changing WPML’s language format: directories, subdomains, and separate domains are not interchangeable. A site moved from example.com/fr/ to fr.example.com may still have cached rules, DNS records, or hosting redirects pointing to the old structure. Separate language domains also need correct DNS, SSL certificates, and WordPress configuration for every domain. One incomplete domain setup can create an endless round trip.

HTTP, HTTPS, www, and non-www redirects

Language routing becomes fragile when the base URL is inconsistent. If the WordPress Address uses http://www.example.com but the Site Address uses https://example.com, WPML may build a language URL from one version while WordPress corrects it to another.

Reverse proxies make this harder. A CDN or host may terminate SSL before traffic reaches WordPress, causing WordPress to think a secure request is HTTP and redirect it again. Add overlapping rules in a hosting dashboard, .htaccess, Nginx configuration, or a redirect plugin, and a request can bounce between HTTPS, www, and language variants indefinitely.

Cache, CDN, and redirect plugins

Cached redirects are deceptively persistent. A page-cache plugin, Cloudflare rule, or another CDN can continue serving a previous redirect after WPML settings have been corrected. Browser cookies can also retain a language preference, making the issue appear to affect only one visitor or one device.

Finally, check plugins that force a locale, login URL, trailing slash, canonical domain, or geo-based destination. These tools are not necessarily incompatible with WPML, but they must agree on one final URL. If WPML chooses the language destination and another layer immediately “fixes” it, ERR_TOO_MANY_REDIRECTS is the predictable result.

How to Fix ERR_TOO_MANY_REDIRECTS in WPML Step by Step

A redirect loop is often not one broken setting but two reasonable rules contradicting each other: WPML sends a visitor to a language URL while a cache, server rule, or cookie sends them straight back. Work from the least invasive checks first, and test after every change in a private browser window.

1. Clear browser, WordPress, hosting, and CDN caches

Open the affected URL in an incognito window or clear cookies for the domain first. Old language cookies can preserve the exact condition that created the loop. Then purge any WordPress cache plugin, your host’s page cache, and CDN cache such as Cloudflare. Temporarily disable features that cache redirects, cookies, or full pages while diagnosing the issue.

2. Verify the WordPress home and site URLs

Go to Settings > General and confirm that WordPress Address and Site Address use one canonical format: the same protocol, hostname, and trailing-slash convention. Choose HTTPS and either www or non-www. Enforce that preference in one layer only—WordPress, a redirect plugin, the web server, or the CDN—not all four.

3. Review WPML language URL format and domain mapping

In WPML’s language URL settings, confirm that the selected format matches the server configuration: directories, subdomains, or different domains per language. For domain mapping, each translated domain must resolve to the correct hosting account and use a valid SSL certificate. A French domain pointing back to the primary domain, for example, can create an immediate wpml redirect loop.

4. Temporarily disable nonessential redirect rules and plugins

Pause redirect-management, security, SEO, geolocation, multilingual helper, and cache plugins one at a time. Retest privately after each change. If the loop remains, inspect custom rules in .htaccess, Nginx configuration, the hosting control panel, and CDN redirect settings. Look especially for rules that force a language, hostname, or trailing slash.

5. Refresh WordPress permalinks and test direct language URLs

Visit Settings > Permalinks and click Save Changes to regenerate rewrite rules. Then test the homepage, one affected post, and direct URLs for every language. If only one route fails, focus on its slug, translation, or custom redirect; if every language fails, the conflict is usually global configuration or caching.

Advanced Checks When the Redirect Loop Persists

Inspect the redirect chain

A wpml redirect loop is rarely random: the chain usually reveals one conflicting rule repeated in a different form. Open your browser’s developer tools, go to the Network tab, reload the affected URL, and inspect the 301 or 302 responses. Each response should show a Location header. Alternatively, use an HTTP header checker or run curl -I -L https://example.com/page/ from a terminal.

Look for a pattern rather than a single bad redirect. Does English redirect to Polish and immediately back again? Does https switch to http before returning to https? Common loops also alternate between www and non-www domains, or between /page and /page/. Those details tell you whether WPML language routing is involved or whether a server-level canonical rule is overriding it.

Check reverse proxy and SSL settings

SSL loops often begin before WordPress runs. A load balancer, CDN, or reverse proxy may accept a public HTTPS request but forward it to WordPress as HTTP. WordPress then believes HTTPS is missing and redirects the visitor back to HTTPS; the proxy repeats the process.

Ask your host to confirm which forwarded protocol headers reach PHP, particularly X-Forwarded-Proto, and whether WordPress is configured to trust them. Also ask them to review canonical HTTPS, domain, and trailing-slash redirects at the web-server, proxy, and CDN layers. Only one layer should own each redirect decision.

Use staging and collect support details

Do not change five settings at once on production. Reproduce the issue on a staging site if possible, then record the evidence before contacting your host or WPML support:

• The exact URL that starts the loop and the final redirect-chain output
• Your WPML language URL mode and affected language pair
• Active cache, CDN, redirect, SSL, and security tools
• Server type, hosting setup, and whether a proxy or load balancer is present

A concise report with this information turns support from guesswork into diagnosis.

How to Prevent Future WPML Redirect Problems

Keep one source of truth for canonical redirects

A wpml redirect loop rarely begins with WPML alone. More often, two systems are trying to “fix” the same URL: WordPress forces HTTPS, a CDN forces the preferred domain, and WPML applies its language URL rules. That is enough to turn one request into an endless round trip.

Assign HTTPS and www/non-www redirects to one layer only—usually the host or CDN—and document the decision. Then record WPML’s language URL format, such as directories or language domains. After any domain move, SSL renewal, CDN change, or permalink update, test every language rather than assuming the default language represents the whole site. A redirect that works in English can still fail on /de/ or a secondary language domain.

Test multilingual changes before publishing

Redirect problems are easier to prevent than to diagnose under pressure. Treat URL-related changes as a small release, even on a modest site. Cached cookies and logged-in administrator sessions can hide failures that ordinary visitors will see immediately.

• Test both logged-in and logged-out sessions.
• Use a private window or a clean browser profile to remove language cookies.
• Click every language-switcher link from key pages, including the homepage, posts, archives, and WooCommerce pages if applicable.
• Inspect canonical URLs and hreflang tags to confirm they point to live, final URLs rather than redirecting addresses.

This takes minutes. Recovering rankings and visitor trust after a broken launch takes far longer.

Translate WPML content with a compatible add-on

For sites already running WPML, LATW AI Translator for WPML adds bring-your-own-key AI translation to WPML’s existing content-translation workflow. It is an add-on, not a replacement for WPML: WPML still manages languages, URL structure, and routing. LATW sends translation content directly from WordPress to the selected AI provider, helping teams avoid credit-based translation costs while keeping their established multilingual setup. Redirect configuration remains a responsibility of WPML, the host, and any CDN rules—not the translation add-on.

Resolve the Redirect Chain, Not Just the Error

A WPML redirect loop is rarely caused by one broken switch. More often, it is the result of otherwise sensible rules working against one another: cached redirects, mismatched HTTP/HTTPS or www preferences, language URL settings, and server or plugin-level redirects. Work through them in that order, then inspect the actual redirect chain to identify precisely where the request starts cycling.

If the loop remains, avoid changing settings at random. Record the affected URL, browser behavior, WPML language configuration, active redirect rules, and a redirect-chain report before contacting your host or WPML support. Clear evidence turns an endless loop into a solvable routing decision.