docs: fix dead link (#1431)

Author: TC-MO

sources/academy/webscraping/anti_scraping/techniques/captchas.md

@@ -37,7 +37,7 @@ Tons of different types of captchas exist, but one of the most popular is Google
 
 **reCAPTCHA**s can be solved using the [Anti Captcha Recaptcha](https://apify.com/petr_cermak/anti-captcha-recaptcha) Actor on the Apify platform (note that this method requires an account on [anti-captcha.com](https://anti-captcha.com)).
 
-Another popular captcha is the [Geetest slider captcha](https://www.geetest.com/en/demo). You can find a guide for solving these types of captchas in Puppeteer [here](https://scraperbox.com/blog/solving-a-geetest-slider-captcha-with-puppeteer). Amazon's captcha can similarly also be solved programmatically.
+Another popular captcha is the [Geetest slider captcha](https://www.geetest.com/en/adaptive-captcha-demo). You can find a guide for solving these types of captchas in Puppeteer [here](https://scraperbox.com/blog/solving-a-geetest-slider-captcha-with-puppeteer). Amazon's captcha can similarly also be solved programmatically.
 
 ## Wrap up