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-563537883744.mit-edu.top/post/6487209531

  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-563537883744.mit-edu.top",cType: 'managed',cRay: '90f22503ba858260',cH: '5HMZPPff8s0G0eiqIu_ZZS2Rpr.n4kNNdwuYL.J45Yc-1739086126-1.2.1.1-K2frGj94NZxzvEbcuO4pwS82BlpbH4m4A0cXFhpfSj4fkIifCBzlhH3GBkrhuli_',cUPMDTk: "\/post\/6487209531?__cf_chl_tk=5FrZM9LXGlUGMkZbH54OYZDWyxBXoXxPHbZizR4kmFk-1739086126-1.0.1.1-kQI2NjwXvhse1L2B7rc_m_.Ym_uCYT.rgxS2.lpZ.mQ",cFPWv: 'g',cITimeS: '1739086126',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6487209531?__cf_chl_f_tk=5FrZM9LXGlUGMkZbH54OYZDWyxBXoXxPHbZizR4kmFk-1739086126-1.0.1.1-kQI2NjwXvhse1L2B7rc_m_.Ym_uCYT.rgxS2.lpZ.mQ",md: "7mV1oyOtbZ2pQbFm3J5U83GbBpznujNvh53NsgZFtHw-1739086126-1.2.1.1-rdKCSbj7pE.0QpA3Z_5_cWyn8v0Yvh3YSqHPqV8E5w3dOQJ.WsvIo7w4ORV30NVuMYPmXVjADWtT0JWq5BwrREW58tva9ubq458sQVxYW2TG7M66k8eJ4dbcl3m_SYDfRDwEFrSPbT7pz_4ed1dJgsR10iqnCLnnGhY8As2mxr9b3hszxlH7IJw8Xdh2rqPb9U3kRhOezsJ6JwY789MfaeTLT1umL0yt7SylGLd_KnJxNGMP4tEgYphg4uBEWXkbOaD1iN_l_SKmQ3zE5KJtzaJeHhLlUge_GSURWISI_34H_HwUoX7m7ewKb9r0pImF1tcJib795tSUIuPyZFzq73u7VPHt9gReTWmHTdX.eE9tE5N1ZmsXpajqP4xxWgMBBg5FPyQxO32EY55FQHa4XNHuS8_AKmOXhGVLeKoV2qJ6r.JGlP924AosNjXmp3f.owGuZr6NZbRkewF6QwHXA3ms9ZGBYPrs3Sz27M6faZmPG.pPGDkZLvyl2RPVsh_XDx88cwP4x3Iya_fBK4G37we1jEGCxdcO.f6Z9BpQgTi7bpaAJQuB6_l.KXONVecK1qnKw7ODSw20hFcjfVaYHmqjFeK7zzkQkKLKr6SQTl6WiK_VH6Rv5brRgZ7Ql1PZWYKgdA7TX60kr_auaDZSrpOH9SzjQ.OypIV1DtZMUCziLyiMDAYG.yQMlPOmxfml4ENEZEb42zyV_wwnBmw7cXz_oBEe0f5YknS.swR6QsgSbX5gyg0Cua1CNsXbKQG078XV0mSyjohT71Gl2sFpI.Ylae6jxXEFzt68WJrgnbSyN.Z4DExIJqAjFZQSUzuZcaf3CWoYRIh57ti6qBcz_JWnPWBW6s8Hsp4NAKbN5eaTmfBsxhFvwqxj5eJo24MfAyYvg9AaVJ..vadfkmUwwxncxq582fk3IN1iei5kzF8b_UKH0H5t5AUTwZ0CGyO9qe7l8tI.jGXbmzmqx1q1Nk7tO9hgqlNOt01g73moZHDY8kylftfxA.iOCTR.Q6MX0uH7hD3ykuCGD7kOn.kqdJJvTT_huHd80zdmdXyy5kXX8E2YKUfLLy9syhj8VecdPalr1NDKIQQvUqvmLeOU18Hhed7qjy5rsSzlr9mydcZvLFvoPt5_FePZJlezh4iB3kVB80y97JojYx95uCmcoIYSa0C_GHa59ZlGYh7Ye0t4J.NtyiSEKghQSlZUEUUS8yUw1LRq7SZ2x7kWHqfvTfInYQT87n3nK8P3IZPb.AgYKPV22oY3HOymSW6EqYabB3nhfgf_SsN7bOMUSucye3oCoGD2ORGAlua9hHddoT1q0hh_QUiVk2Omppkpb.xP.FL7OohHseMeJ7y1Np6jLlNxBUrSXfXPI2yTprf_9zfcZfriK0uhGbeKiM10mIS7i1IfThyWsT.8Lgic1SKH99TbRxtaPgAbljnBzGp.OvXYLGuLOlFev7jFfA1ZU4SwWj36ElI7gbHqI4Zr6cCQ265m7.BieJf2R4thpxEb8fHWsMDwActo3MQP4Ix2DSgCFcpopa.DFdVlFSjYtUO3DP2Heoeyjfz8GUd_XzWVkyJgWeZgfYhsdV5oFAZ673oC6J1FQ3LMLDrAwxBr7zo3uY8YyvxJ2d.fY.GMX_wntOKB7SApfQ1HXYPVmw2Gmzo.q9ppuRi8GnS3yyla1Vmc.eiHKe5CCE9f6yVgyd75UA0LUIQmRxw1K8NVu2ohLHCEr1Q0wG5r3DMu4lBFl47CmZijs3Vilu2D0Zo4jH0wFa189VlRgorfCDnbdJmL.OSJ5Hmd_RYKuZ5x0sSA7n44EXaBJsLYh7RrcvQC3mte1aKcxW0OcdppJlskM5zxa4gcfTjSiOWSnHSaXH4X5AdlgeMwUzwIlpfvBBHc.OfnsX2cuDzDyj1NDexMgI7M3wdNrwsTGoSmtVKrPBBQMkKcfL5FH7ijippa9qSpcPXaYj1YCVPmim30kBj2dlGrmCU_S_9hVTUlyDcKAofPbkmx_VdwefxCEejzRJg1PLR_xdtnbGFUHGmLqNUHUnpZrhdPZSwrEb24.MNoNMf3XzJ1zilyEXjb7HXeRxEVUjiMhMvRj_kOUY0F4pSds6ZF6qN5N_vyJ.8mY.eLS09SWcGMViuZZyUEgoyiEuWpkTeZuVc4tQwYyGw7bS1lvfODDFn2W5dCws8aU8BeWLZ.KIoB3ZLC4IGCiOL.JsSRWp1d5fW2ys341mrCfRKWABs6GrOY",mdrd: "lsnTMY2tS8NPCDfimTYVqvk1bknVMLkXyBefG9B0ak4-1739086126-1.2.1.1-S87qpYNZUKc7ZVHvH98zFsSRtSKL5ITgE8BvIXspMrnpeB_ob4P_i2yJ7IkjThKvYFT21zkkYpRJOpmlt9gtRp36co0DlRepiqD8o5QqvYVhar6F6NTLwhCPvLI63ugQRxJuLL84MVwzRggcgZNuwtpuG1aR4zPtNaov7PgsfH2VasewcrkEnhWD2B_bG5BrqWB5cT0zpJ2ptTlVt4rpMqO7rzaAUS4SGLj_E_mu4X1I7yhgeMGR6_bnFivX45Zr_K1FaTn9mc2jABnikQnGJQPYE4s9iO7sG6AtxRqhtwWYC7p7JTb2pELhhgoM8Kn0c9NO3zxwgCUIuyyn9Wwa5GmZPOSqzJKF8Zb.vNr06F6mPdGuxO1ewz._Z141BOPUh7JKlc52BHdDUNRXzzjk_btj946kbQssrItMYEAotme9KBNiQn6T48Rv5FoZ6g9tRHOomo8ZGnyMPxyDWi2EuB4IhTlQL3VyTv_UNUtO1iyUdKh3MFxZ5UqzEP_7AxuH96se98P2YQ9POLxTBpZ_muwasr7KIJN7FpAxSaWnF4HYPxtlmBl2Iw8qUcbU1LRQSuO6rCnSRdSB0aoxkkfC_4z0nDRAgEAbbh9jMTgd3GnYprZaPkrQZ651hr3JqqgOo92r3jIlehG2AL1o.K30QrYMkolh0_T7YiF0WJv8G.tqhi.ObChO5_mZyvpEjNNnm_aLBpYz4xN4KUugWbol1SrTkcgpRYueIOEzjhS8v3bp1yyeCT5R7sKy7tKbDXjUiv9RKL1FOI3JrF1MWQm17t4iJ184nS0lbgE72pbb0ONR6AoW_dKCqZjxWmsl1Xwnn44K.Ki.q7tfOej9eu07Xd_hytY8luPXQldSRUM4RjDBC3A84Tty.3LEibdPFjNpsAUEoJjH.4ePl6xl0EeXoswATkEJirorThAMM1yBLONCsjYO3hWeKqc3Y6y49shGaDoruehZXKJcDpOZbTXsD3HJPgu2zjykVGg1axLeGQ5FpPlmO2oSNUdN0dYg33ctlOxveickKUPxkO0Z5G7lb5sI61RyB5qBjstzYNIfZOEiwARXoIrjRFEyNX600WZwlAeJd264xNc6.RisDjXvOl4WxDhW7PRX8jdUWgVEa80nNSpAQNNzLY2Sh4DKTeJkdmgEQk360t87I7xCYHuE6Rm_o0seoOGrTdEaM5meUWrN5ZndfYEd1GzR6WKXh1P6lV0SRTLuQNmthMhs2wEoOr1CHp2e_cCgBY.wGSJfuAIyE6MvKr9WIisb9lYbcPX3He66WGS_XCkyRv6f0lF0E7T.K49J_p1cfpNInm8MwBGtSw8qO6l8t_yz8Pg8iFUJj1lfKUj_MOcA5Qvywi6NbIReuNQwKQnYvwDo3ZSwf3cQulBQFyj3SFh_nVMTeRDA1Z07b38nAA_Ekb3PiCA6yr3.e_se_fUmqn3xRBBAM9e3Vng_Nn65D.SznJI4nS9zem2IasPNFEGR0EvTIY5l.lapyX.ITk88B_zhuOjrrRKsUDW.G5OAi0dShwFLvan7P7JarAtiAKMzcRPvnejWMIrl9sIWZUpDnEV3j7kLBKSMUIcF9LtmsU_7Hv4oue1QrHhX_ZVpWzrqbBq9DBTrNMn3S6E4sKIlzucO43584FW_xXeAbX6p3XxqtNI7ybDLerjLUmrFQRlGUcaTtxhu5Zv6180i7VHpXyJF_wzjRRxAoJGlOfUG5ZLtJvDey2LCCnu_hA8.IxIDSa0DtD3LGZGiLmI7PVbUeQH2CtXAaNXhenSOr94hjydlnEN7yj_5q5wCSU2M_J0chDxBo.t8OSnRjfevovOr5ZpenY.lB1A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f22503ba858260';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\/6487209531?__cf_chl_rt_tk=5FrZM9LXGlUGMkZbH54OYZDWyxBXoXxPHbZizR4kmFk-1739086126-1.0.1.1-kQI2NjwXvhse1L2B7rc_m_.Ym_uCYT.rgxS2.lpZ.mQ" + 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