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[Docs] Fix mermaid diagrams with URLs (#17139)
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‎src/content/docs/learning-paths/get-started-free/onboarding/check-ssl.mdx‎

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@@ -3,21 +3,18 @@ title: Check domain SSL/TLS
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pcx_content_type: learning-unit
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sidebar:
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order: 4
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---
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import { Details, Render } from "~/components"
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import { Details, Render } from "~/components";
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Once you [add and activate](/learning-paths/get-started-free/onboarding/add-and-activate/) your domain at Cloudflare, you also should check your domain's SSL/TLS certificate is working correctly.
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<Details header="What are SSL/TLS certificates?">
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SSL/TLS certificates let websites use `https` at the start of the URL (instead of `http`), which is a more secure connection protocol. HTTPS is good for website security, user privacy, SEO, and much more.
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For more details on SSL/TLS, refer to the [Learning Center](https://www.cloudflare.com/learning/ssl/what-is-ssl/).
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</Details>
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By default, Cloudflare issues — and renews — free, unshared, publicly trusted **Universal SSL** certificates to all domains added to and activated on Cloudflare.
@@ -37,21 +34,21 @@ Sometimes, domains added to Cloudflare can experience issues in SSL/TLS certific
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```mermaid
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flowchart TD
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accTitle: Potential SSL/TLS issues
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A[Request to <code>https://example.com</code>] --> B[<code>ERR_SSL_VERSION_OR_CIPHER_MISMATCH</code>]
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A[Request to <code>https://</code><code>example.com</code>] --> B[<code>ERR_SSL_VERSION_OR_CIPHER_MISMATCH</code>]
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B --> C[Domain or subdomain not covered by certificate]
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A --> D[<code>ERR_TOO_MANY_REDIRECTS</code>]
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D --> E[Redirect loop between <code>http</code> and <code>https</code>]
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A --> F[Error <code>525</code> or <code>526</code>]
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F --> G[Mismatch origin and Cloudflare settings]
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```
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<br />
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For more details on these errors and how to fix them, refer to the following resources:
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* [`ERR_SSL_VERSION_OR_CIPHER_MISMATCH`](/ssl/troubleshooting/version-cipher-mismatch/)
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* [`ERR_TOO_MANY_REDIRECTS`](/ssl/troubleshooting/too-many-redirects/)
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* [Cloudflare 5xx errors](/support/troubleshooting/cloudflare-errors/troubleshooting-cloudflare-5xx-errors/)
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* [Common SSL/TLS errors](/ssl/troubleshooting/general-ssl-errors/)
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* [Universal SSL/TLS certificates](/ssl/edge-certificates/universal-ssl/)
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* [Cloudflare encryption modes](/ssl/origin-configuration/ssl-modes/)
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- [`ERR_SSL_VERSION_OR_CIPHER_MISMATCH`](/ssl/troubleshooting/version-cipher-mismatch/)
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- [`ERR_TOO_MANY_REDIRECTS`](/ssl/troubleshooting/too-many-redirects/)
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- [Cloudflare 5xx errors](/support/troubleshooting/cloudflare-errors/troubleshooting-cloudflare-5xx-errors/)
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- [Common SSL/TLS errors](/ssl/troubleshooting/general-ssl-errors/)
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- [Universal SSL/TLS certificates](/ssl/edge-certificates/universal-ssl/)
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- [Cloudflare encryption modes](/ssl/origin-configuration/ssl-modes/)

‎src/content/docs/ssl/troubleshooting/too-many-redirects.mdx‎

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@@ -5,7 +5,6 @@ sidebar:
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order: 3
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head: []
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description: Learn how to troubleshoot ERR_TOO_MANY_REDIRECTS when using Cloudflare SSL/TLS.
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---
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After you [add a new domain](/fundamentals/setup/manage-domains/add-site/) to Cloudflare, your visitors' browsers might display `ERR_TOO_MANY_REDIRECTS` or `The page isn’t redirecting properly` errors.
@@ -15,32 +14,30 @@ This error occurs when visitors get stuck in a redirect loop.
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```mermaid
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flowchart LR
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accTitle: Redirect loops illustration
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A[Request for <code>http://example.com</code>] --> B[Redirect to <code>https://example.com</code>]
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B --> C[Redirect to <code>http://example.com</code>]
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A[Request for <code>http://</code><code>example.com</code>] --> B[Redirect to <code>https://</code><code>example.com</code>]
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B --> C[Redirect to <code>http://</code><code>example.com</code>]
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C --> B
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subgraph Redirect Loop
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B
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C
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end
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```
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<br />
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This error is commonly caused by:
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* A misconfiguration of your [SSL/TLS Encryption mode](#encryption-mode-misconfigurations).
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* Various settings in [**SSL/TLS** > **Edge Certificates**](#edge-certificate-settings).
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* A misconfigured [redirect rule](#redirect-rules).
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- A misconfiguration of your [SSL/TLS Encryption mode](#encryption-mode-misconfigurations).
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- Various settings in [**SSL/TLS** > **Edge Certificates**](#edge-certificate-settings).
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- A misconfigured [redirect rule](#redirect-rules).
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:::note
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For assistance determining if your origin web server is responding with redirects, contact your hosting provider or site administrator.
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:::
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***
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---
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## Encryption mode misconfigurations
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```mermaid
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flowchart TD
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accTitle: Redirect loops illustration for Flexible mode
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A[Request for <code>https://example.com</code>] --> B[Encryption mode redirects to <code>http://example.com</code>]
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B --> C[Origin server redirects to <code>https://example.com</code>]
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A[Request for <code>https://</code><code>example.com</code>] --> B[Encryption mode redirects to <code>http://</code><code>example.com</code>]
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B --> C[Origin server redirects to <code>https://</code><code>example.com</code>]
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C --> B
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subgraph Cloudflare
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B
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end
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```
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<br />
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To solve this issue, either remove HTTPS redirects from your origin server or update your SSL/TLS Encryption Mode to be [**Full**](/ssl/origin-configuration/ssl-modes/full/) or higher (requires an SSL certificate configured at your origin server).
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```mermaid
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flowchart TD
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accTitle: Redirect loops illustration for Full or Full (strict) mode
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A[Request for <code>http://example.com</code>] --> B[Encryption mode redirects to <code>https://example.com</code>]
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B --> C[Origin server redirects to <code>http://example.com</code>]
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A[Request for <code>http://</code><code>example.com</code>] --> B[Encryption mode redirects to <code>https://</code><code>example.com</code>]
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B --> C[Origin server redirects to <code>http://</code><code>example.com</code>]
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C --> B
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subgraph Cloudflare
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B
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end
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```
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<br />
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To solve this issue, remove HTTP redirects from your origin server.
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***
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---
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## Edge certificate settings
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```mermaid
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flowchart TD
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accTitle: Redirect loops illustration for Always Use HTTPS
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A[Request for <code>http://example.com</code>] --> B[Always Use HTTPS redirects to <code>https://example.com</code>]
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B --> C[Origin server redirects to <code>http://example.com</code>]
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A[Request for <code>http://</code><code>example.com</code>] --> B[Always Use HTTPS redirects to <code>https://</code><code>example.com</code>]
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B --> C[Origin server redirects to <code>http://</code><code>example.com</code>]
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C --> B
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subgraph Cloudflare
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B
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end
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```
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<br />
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To solve this issue, remove HTTPS redirects from your origin server or [disable **Always Use HTTPS**](/ssl/edge-certificates/additional-options/always-use-https/).
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```mermaid
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flowchart TD
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accTitle: Redirect loops illustration for HTTP Strict Transport Security
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A[Request for <code>https://example.com</code>] --> B[Encryption mode redirects to <code>http://example.com</code>]
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B --> C[HSTS redirects to <code>https://example.com</code>]
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A[Request for <code>https://</code><code>example.com</code>] --> B[Encryption mode redirects to <code>http://</code><code>example.com</code>]
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B --> C[HSTS redirects to <code>https://</code><code>example.com</code>]
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C --> B
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C --> D[Origin server redirects to <code>http://example.com</code>]
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C --> D[Origin server redirects to <code>http://</code><code>example.com</code>]
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D --> C
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subgraph Cloudflare
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B
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end
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```
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<br />
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To solve this issue, remove HTTPS redirects from your origin server and make sure your domain's encryption mode is [**Flexible**](/ssl/origin-configuration/ssl-modes/flexible/) or higher.
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Alternatively, [disable **HTTP Strict Transport Security (HSTS)**](/ssl/edge-certificates/additional-options/http-strict-transport-security/).
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***
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---
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## Redirect rules
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```mermaid
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flowchart TD
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accTitle: Redirect loops illustration for redirect rules
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A[Request for <code>https://a.example.com</code>] --> B[Redirect to <code>http://b.example.com</code>]
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B --> C[Redirect to <code>https://a.example.com</code>]
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A[Request for <code>https://</code><code>a.example.com</code>] --> B[Redirect to <code>http://</code><code>b.example.com</code>]
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B --> C[Redirect to <code>https://</code><code>a.example.com</code>]
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C --> B
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subgraph Cloudflare
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B
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C
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end
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```
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To solve this issue, review your various [redirect rules](/rules/url-forwarding/) and [Page Rules](/rules/page-rules/) to make sure no rules are not in conflict with each other.
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:::note
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To reduce the potential for redirect loops and [mixed content errors](/ssl/troubleshooting/mixed-content-errors/), Cloudflare recommends WordPress users to install the [Cloudflare WordPress plugin](https://wordpress.org/plugins/cloudflare/) at their origin web server and enable the *Automatic HTTPS rewrites* option within the plugin. Alternatively, Cloudflare recommends the [SSL insecure content fixer](https://en-gb.wordpress.org/plugins/ssl-insecure-content-fixer/) or [Really Simple SSL plugin](https://en-gb.wordpress.org/plugins/really-simple-ssl/).
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To reduce the potential for redirect loops and [mixed content errors](/ssl/troubleshooting/mixed-content-errors/), Cloudflare recommends WordPress users to install the [Cloudflare WordPress plugin](https://wordpress.org/plugins/cloudflare/) at their origin web server and enable the _Automatic HTTPS rewrites_ option within the plugin. Alternatively, Cloudflare recommends the [SSL insecure content fixer](https://en-gb.wordpress.org/plugins/ssl-insecure-content-fixer/) or [Really Simple SSL plugin](https://en-gb.wordpress.org/plugins/really-simple-ssl/).
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:::

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