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+---
+title : "Introduction"
+description: "Introduction to mCaptcha."
+lead: ""
+date: 2020-10-06T08:48:45+00:00
+lastmod: 2020-10-06T08:48:45+00:00
+draft: false
+images: []
+---
diff --git a/content/docs/introduction/configuring-difficulty-factor/index.md b/content/docs/introduction/configuring-difficulty-factor/index.md
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+---
+title: "Configuring Difficulty Factor"
+description: "mCaptcha has options to configure its proof of work engine
+behavior, this page explains how to determine difficulty facotrs that
+work best for your website!"
+lead: ""
+date: 2022-06-22
+lastmod: 2021-06-22 20:17
+draft: false
+images: []
+menu:
+  docs:
+    parent: "Introduction"
+weight: 512
+toc: true
+---
+
+mCaptcha is highly responsive to detecting DDoS attacks. Admins are
+advised to take advantage of it by setting low [difficulty
+factors](../../terminology/difficulty-factor) for normal traffic levels
+for their website.
+
+**Lowest advisable difficulty factor is 5000.**
+
+For instance, if it is normal for my website to get 2000 requests for
+every 30 seconds, I will set a [cool
+down](../../terminology/cooldown-period.md) period of 30 seconds and the
+first level of difficulty configuration will have a [visitor threshold](../../terminology/visitor-threshold.md) of 2000 with a
+difficulty factor of 5000.
+
+There are two modes to setting difficulty factor for your website on
+mCaptcha:
+
+### Easy option
+
+Easy mode asks a few basic statistics about your website and generates a
+configuration that should work for your website. Currently, easy mode is
+guided by assumptions on suitable difficulty factors to protect a
+website but it will be fine-tuned as mCaptcha sees more deployment.
+
+Configuration generated by easy mode can be tweaked later using the
+advance mode, as you become more familiar with how mCaptcha works.
+
+{{% img src="new-sitekey-easy-mode.png" alt="new sitekey form in easy mode" %}}
+
+### Advance option
+
+Advance mode gives the admin granular control over how mCaptcha behaves
+on their website. It has options to set the difficulty factor for each
+level of traffic(or visitor threshold, in mCaptcha speak), fully taking
+advantage of mCaptcha's variable difficulty factor feature.
+
+For instance, if it is normal for a website to get 200 requests over 30
+seconds, then setting a very low difficulty factor for a visitor
+threshold of 200 and a cool down period of 30 seconds will allow the
+users to pass through without waiting on the CAPTCHA. But if 1000
+requests over 30 seconds will bring down the service, then the admin can
+configure increasing levels of difficulty factor of increasing traffic
+levels, effectively rate limiting its users and protecting the
+underlying website.
+
+{{% img src="new-sitekey-adv-mode.png" alt="new sitekey form in advance mode" %}}
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