It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-603989254539.mit-edu.top/post/7189402365

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-603989254539.mit-edu.top",cType: 'managed',cRay: '90f66adcf960062f',cH: 'o__waF1gBQabbAv1UPawxIDMdM8j_2EAH8ae_ZSVYUs-1739130930-1.2.1.1-08RQb0j92NCWs52w6tcZU1tBa20taqmOla6CUfYMvFfC7kuACR7Mr1Z_U.CekAwp',cUPMDTk: "\/post\/7189402365?__cf_chl_tk=8aVSJmIiNLG5lgwaPi6GhW.mCcgpkUfLixrC7yL6UUc-1739130930-1.0.1.1-Newa5imvdEkBBqBFjBu5_40yjOXfotQ5zOw9bJUMqAY",cFPWv: 'g',cITimeS: '1739130930',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7189402365?__cf_chl_f_tk=8aVSJmIiNLG5lgwaPi6GhW.mCcgpkUfLixrC7yL6UUc-1739130930-1.0.1.1-Newa5imvdEkBBqBFjBu5_40yjOXfotQ5zOw9bJUMqAY",md: "2VQmsOxgbg10K21IFCvuNQJzBDdM0GIv2xug066H79g-1739130930-1.2.1.1-xxcrLB4WRvUMCBdtPeJ02vCOHksVmzeBHoOcx8aVqkAZAJfuwcPCZy2i.cu8FghJ990H81j2fVtEqIjw96dljEo5U4RplYQQrCU4Y7ikaJehhQ_Aa7H1A7tI4grynBM5SPKwtdMzbxkRyjwO9yr.A5DU5c4SjS2U_pF9zkLD.Dsz.vlczI9SHtM6tWx2aEZj5p46.hq56lUcdoFaGa2lxLUM2wiSQjBpDG7vgUpyVtjJKr_Y0F8AkelNhclTKU.Yc0goVfoYG2d534ZuP8pCMV1Znz0cJOL6.kIEXVhGCGWdPcC_DTr8Zc0IWm1PMRwVCF59ailuFyCjN9lD8sJKIb36VOGYe8vXCrl_J5595kAgjsUww3SMLcFt.nD5VFGzANwBKZQj.8kUU13I1aHOxXNBH5VCsAY1csdllA46_sUyzWL_143dqidbFNkgQvNDVeB.csCsAbPsKSW6k8mXE59vC0X0Sck0uCzW87U9iaIEfks.sgJhw8ZuunRS.BvU.OpAvzzrlnGuv7ZJ2UR7WtTt_ux8Qr1UiDRu2WXT7NyKDMJjtnVDk42tr_E4xOzm6pKG19e.1ymYwYWcRwRDUEKgL6JrZJc98sbc9_M.YK.wttEmoKJ7z60bbv4Pwa3UYlNio.roXe.pHZDGGm.xsYfyyiw5y.iwHW0hqOJW8Y6P7.nqO.xjp6Jg_OzcoppQ8rpH.jWUSiDN8uEVQNfQffB.Y0fwPADcwhZCgTggfYT_ushRQj8U6kuS2ga0_JStTcnDzQIs3BpeurqG14yZTuo4iLq93olRyDkeimXDP6KjEwTHwk6xygQPpe6Lmc5uKBETTrBh.5TMFmIMQSMWUr1A54Z_vGObytUucQSKZtUWbjtXjWz9kqJBBObN4Yu6wTJ4.TXiqUNM17nHTm6BtWykOfetrIoMYFzzveehKpL3IjX9sJ2ExYPuLFq.wqA9USWToWfpcjHRWP3p1akeLfJ2n3ZUhkgGZVkXn_wQR9CnEz3boIKyh1oydvJrYEjRhUROqm5w9vAE_L6troeLhxZeUsd7lz95cH91HLhrVHUxUXhs.efV0Ed3RvwuqfDjFbtBylHaPe1sJVRrlo60r7jOCfS7v.VsPEUEEvv25EcMe_kfeENKxY_nEtonIJI1GIfz5x51CHqox15ARAdOFGZYD5lzrIAQkBmI.WCUExBTLpYl603niDcAHwcPZ0_gYG2AadXtqlL8w2hk0HvmciCHdK6lqqWfITtM87lrgqIik6Un8ytlZDEHEP4uSBXM23LN8tlOWO0NiMbom_6TZ2_CI39gp19dzQnzqGHeyRukh7rV8x_D2akFSTbp3FB4ryIaknEkfsNXlEhWGzQd_K2ZGH0Y0bkdmZm0MShQUnh2uNbpAiuxJVojqNF3DUC6_NNEOvadEhiDLnVTlh1OAWvdVSLJ0.CU1UCstyX2KGZNncwuIHI39CXfvdwnhMVgDj9LTyBQZk3nSwGg1g.r_7lnGMybU1YSjhIFX9TlJKXr951TkF0XUsknfeASmtQBg0h7IuJnAfnfLjsXwutvgsP0tKgA.55Y9aOJ.aAQjrTAhwqu00wvLJXHfnYyNFuXGQxCLc_ULtfu0bwZ3N.v_6xatrm25dTCHisnBK4YHddikEW9TFWndJ64hx27VeGAewUhhil7dQzw.aAhNuVsFq6pFao6vi5rZZVhlCYRgX0YA1Z5W5RsCZzj9TlZeO3c873_h6IGg12KdJ0uKlRlkfA4oHsZy6BgEmLr_xBDQrgvTuRk5ahpAYHYenrivVl4QHXiE6Xpi603QpF6f02ae0KeNaovFPZdXLp.tGlORqF72Q.5dXaYdQ3pc8bPd86tIqmQsF0.8rkLs7jZZiSfb_sgbZ.4UKAocAMPI5PH9JAlNJckKK8vZubQVYcCdXaBw1kPjz4hyYLfpabMk1bxb4_P_BxxtfW6ILCOZKbLz8vtYEczyVh5.9PIQiXcK.W1bQIBrqQbLz6fSFQcNAku3SRLSB2YSV_J9NIF91VXR5PvJdbSqdm_cyIlnE5sGr.445t.d35cvF1rvbrtcEBkpGVTDfN9ZTiJBkySXTIdDV867QoosuP1UA5HXZnxYCyh6e4HWXf2etMFp3KUHDodHbzaCliM5LtTkdCgawLLUrRAeDup_IfSMGdU8GbKh..x6g0N39liD.zalKT8ZDR6Pc_k8hM1H_tN7xI9mJburFOXf4o.61x7_ldwS1dgd6TZ",mdrd: "RUwCA_9uZknBQ9iJ4jRT.yZe2q2.v_hRjVyOqPQD1jI-1739130930-1.2.1.1-v7lUhZN6hBwJgGhz2oV9L1t_AQNKK9EByS9WnPzCivIKDigOyroykmbhuA0oN7fE.c7Ne4FSz40NRbKJ3FW3gDgketZmiNM4kEFMJtrLs1UcmC.7eVsjv40.tFpoIljeGQtpaPbnrbH0y2Fv9Qt4Svc341sRh2WwKCyJKxiuiM7viCUHioPEntYEXrnxjciBpT.FlceSmm9ZWbAMCBg8BZXh5ygDOri4FTKn710waKv0Kf5yMw.7cxEi9qL4Z5Ua5FGGRMtV0NQFt4Q._eDT3LYsk1szEbgGZJsP.KvhDJx6d8iM.UXa3TcrYUBrzJxAtXkQjKcz3UoDc4z3oCrXwDiL8ZdSlJsCidknIZhMsypO7DsFzPGyhlkMic9ef0wWjBpKypxgb5hEUKLqigbVTgBS3df4hBbo13Mn5x_n63oDRK6HlDf3tJkFxcfVtBOQoRGUepJhZ58IWsW5Yso6212iCiETHf9asURlUJ78JzHWZPuAErm8fvYPkpVCL4JLdXWJwvD_XfrQqV6fGAMJCh8EfpIAmojySmoUEcYUYGgnmkSANMrS4kZL3YIu_cCq8ONoT7wVBQjWjVGySXCOYNG8XOoI68DPlALgPfbAlvsJQMdFS4PLd9W33dpB_UJJZhEhAdsDKURpCmXWv6yqRr..P0FgZpD23GfH5AkLbGRvJsrjCJtJ9l_QhYIQZWy7vW4mNpwSNAqenrD.AG2Mo7qOJ2NSjN6JwLTZRRbQMjVDH.4qY73W5Fh2VtZLrXaZ03FMLkfuH1U8mLrMon7BNVvorlAH2pmgt4__T.DH6yFr8_SDdCEg3BzegxALg1_LDEi_vhkToDiJI7zHYpYtDqKc7EOwqpxWxR1PYm3pOEe2qMo0h5uoUSQVdK14HoLNb8cJvau8cToH8O3AI4fyzKV0HugQ8zuRALIJqjbEsX.TBi5DjhNn_iNUp2D6J1QKwpJxdPLY4CoHKreJkM9_ssOzNCKTtrn19m.pTW8zscR6nhsRax_w81V4aTN6KSnRyDs84iadd7BLa9m_zFZRsSJADCgaaC6wEjK4C3j5agbVGiOVjMHj6af2TBogxi8puChXr41WvlVKSHlO6zs0GBOIJ8L0B9ETzeOWKExw69dyernXX8N6dpr3UcPotZEfx49KGnvUZT1oryriPdZrIsFwbyQTdb6MGAiEx3v7kO.TLv_oCgGCXN2592nXUbgZEMwTAXTH71WLEmFiTD5F_YaUO_1AcQWDa.60QmfHrM5UWt2AXBbvj3DMxbgbg5rLOs.p5JzL0jzXMT3uAnjc1TBiCjfQuPbwkJhz7mqnHnBxpWDunbz5IkXjmx0lTOGcAEUZ1ebhiBZygjERtFUIpAcEAd3Qo0XL3J33lzLyrh4mjTh5aXaVsDTkwc_5hi9IO96mHa7e7kHKPT1nLPopkUF62hvxl2uB4EgzTiJ19HcQVbapP3WIzg4T8k8HFW_EKbeHnLRhF.oabbKTQz15HYByif5bVDEhQ4qVNtbbVQuBzVrraaoxrf1QnrtN2VL_pZvUDaD_cUFJAEi5kb4Kkw0rDDfzMqpARV50E4lZQmor0Rj5r60gy9s2WaYYeqAJd0RqDMw7VEyT.7Rf_eLCO4rMFMwiVp0ePL72lAdkR2tHy1m5Q4MdWV3n3vQDn0U7t39sdnGcLt7HPGUlspNnYI2vgEXjWu.3v.H8r4xKfataQ96HlHHqIBl9ZyO46IDIQ.SMRmpW7aU2xoRMPoJsDOq8qkWJVOMPPXT.GlFbWZGHsFeDez9oZxhIPQmyQgzv5Ek6yFXoSS9yzb2ecZ6ysg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f66adcf960062f';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/7189402365?__cf_chl_rt_tk=8aVSJmIiNLG5lgwaPi6GhW.mCcgpkUfLixrC7yL6UUc-1739130930-1.0.1.1-Newa5imvdEkBBqBFjBu5_40yjOXfotQ5zOw9bJUMqAY" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda