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-aff0bccnl.mit-edu.top/post/4128350796

  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-aff0bccnl.mit-edu.top",cType: 'managed',cRay: '91103e72ce59d6d1',cH: 'UZoWEn2Z1HA45_HcH0MnOZDFvH7Rj5cD22s_.o0HwQE-1739401741-1.2.1.1-naOCfCcg2Lvs4CNxFUrppSMFw4QclqQOq918hvDAmd9_dzN8MLsGkfcYZ7GO9twS',cUPMDTk: "\/post\/4128350796?__cf_chl_tk=z0MOjAKMJfeDtp3c0gq9Zod1hEdI4SYqnzjSxcbug34-1739401741-1.0.1.1-VTkPs2FCXl1sfpqfVAU4qHStoJk3PrQQnegO_bzngQE",cFPWv: 'b',cITimeS: '1739401741',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4128350796?__cf_chl_f_tk=z0MOjAKMJfeDtp3c0gq9Zod1hEdI4SYqnzjSxcbug34-1739401741-1.0.1.1-VTkPs2FCXl1sfpqfVAU4qHStoJk3PrQQnegO_bzngQE",md: "VO01GLXbW6AHa7HJMACSaB3fC4Fo.KJcSfMsvEslF5w-1739401741-1.2.1.1-ll5vZDT2pRgNUcJ75a4gJ2.ZMV5bgfIqHTmpQIv_Y6aKj498r7LHL_oZt5fT5sfdlriP8euzl7N4rDQj.TJrlNrTbrSwgTpzbSDjqHzDDrxj3u1XWIHsDTShfqtRoJ3TsEMz8T5P_aCMmOdf0GKWzeZWs6QY.BGCrWwksT32WK8mUGMlL5Q5lQEfRtsDiI32tQ0_KU90XQNJeJxveiWJiLEPHYIsk3bg28I7tpgccs6HisVo56sgCBfkIZDcF9dcgKX7WymQOpYSFkRgGdHERiw3gTU59wd3fF7xQMbOXJUg0APkd3q2oVTM7pLoXOD5RVTWmcN6W2VnsD3t9qN6rYon0qSATGO8G0nH6dMAF9Pn7kUvivapMT4Kw_JoOnEWOWIG_D5LzX_csJk93CNhmBpm32CP24raEn40cLqU4zNVoyOlqUvy4pDcVKfXCda8Z34tNVf5ItYBwSJBcrT_V0l1BWfhfIbR8HIbxJeBfgNj.VvHOCf56nw.caJQ3DBPIR_32sEl.tItYKjtp4KRvOPdnV_BmL3yJL6SEQQlw8FbN5nTEhcTQkwB.yoi90Xj6WKSG5kI1NkpYowGX_u9bMYJpQoQIppsew51zM6kjPuNMBmDaOmvM17PYMePqdC1pDem7hvX9ZMdrRfpPXUxHmITjc7L04OIx_X6.HTgz_u7mMp6huLMVZalqmIf5ICAe5GYmqj3Z8U8neWjyldLSXpnka_3lgrBuQs3SmOSzfsnI1VP752syPJPA0g2uwVtRD5Dtn1kNLsPtWjWWOaG81MqcfDY0t_HM1pvDm.DUqt5.hdX_RN89OrDEE_y4g0wQmW80wqcJvaBvT7CYYf.0WA3nbwWMAMAcU.ctYuk9eMfB8BNC_PQihQ8ksLaOMsBvRIL.mov.ms2IW26VpubpKtNWqNZFuFZoyXyNjPExl_EKYdai89Li2stRind2p0ojIudN_.0yciX4nC7gWFyTV1NtITZu07ItxCidb6iS3aLDfzAhSk5OUTvHDfafI2S7O0im.GXBkvHHDN7WSL4qpoiObPT2GWjeq_6M2oF.R64mYcoRcTMps5gw4eOTmYGSL72j0Q5JM7r9N10HLsMam8rDJ_IdFWmvxGk3Fi6bkRCfSx_F2OmsBhTqSzMdKtsEuw89qYW.4YDiq62dh_vM9ufmrvzceY48jfVLBzpUfSBL_T5.50I.3bfPAWqdHIjQl_jwFfQ0nZ67xmHuTXyqcBWUDxjC3LMrxQ9le.qDXfjCbWkuum9dDEJazGMZvJme9xirf1.ferrzdnmIc2r_1gPjaq4A.rhzmRwJvROx67PvbO7eTaIKRbrTKBjP2BCHB6rhXXUOpaD0SFE5lHMb_xn.VytbLtyIT93AhqDMTAyi2ALawDNRT5zdeqRiTwy1d4W_bMPI3TrAHkUB0Zj94Q1NlmEaVqWbjcRUgMZ0mqHgYhiAyg21eCvcV_vYA63b5GMHMPlIxvDGn7CrBetcqAV.VNZmmntaTtmT5SLq5_n8u9id7tWsUcwbhN_WJkDiYdf4fc07BQTkrjf6Y6Xkd5d74NUl1MpObJEC3o74X0wV9gIPGm82pJDAHTT7Zn2.ieZHHa97jSamGVCVF0C6WwYBSOmVHwe6M9n04TI1lgr_T4oHzFdJQ3Bk9Ta5_eeYrVPhfkkxY2NVQwnlr5rD275aLsgs9_0r0gyPG0nLZSuS_9u478AuOjrqIxLdhK4Thyc5mrUDQGV8IexzSYvURBQ7.7rdVqZNBulo9r7i_XN3SouEug7JahPuzyOJc.Ae4mOK6sdZSTBGK5cHyzJed8BSRyd9XJTO0xb3f5sPiX9hTcxrA8cw5KgXwEQaifrlvCgXiTMUcFRMyURLG4PvDd3IYnzdjGjh9cApcXfxPOuOIM6e9DaiukxC6e8l.IbS38B3XIW4Q_F8QJI0gmu9sPm2Gg7qKxxQKB.hNFS7Zmd45r7By_P5Vqi.0Sgd9aiVUiCo.M5q3cF6sWnn6EZBvhpzWwlOmkj_w8S5J2U_9eiEg7eOOM20oCPe94u.LqJXWwOjirI32WaQn9E3Fsb.XaPrZjT5nGO4PagN0YTm94qVWa3_X6B56myqy.YSJaued76lP_7ZIYR9fbxL9WC7mWPFvcv4MNZ0AlrzCuTmZFEJ1PtARfcHqoNyFsJ6sOAD.vqH_im3rakaU2N.yWoG7DM37fw405za8YjHSwYQWJUTssU_gC54P2gAYsFHEI2",mdrd: "resNdWCTJ9_m3oAof2ETDhjKx6dkKSzEKhmQsgft17I-1739401741-1.2.1.1-UE0ldww3O3PfStGzUtcORG88qg9968seLKN8t4BCikPZJ1p9hetLmoxDMkaBF_xGovjytKz0cNenUeIhopugLe33ekCiu.nt1L3xD3UEnzmNc8FT1mmtibcUL0fhG1f8eRl.K3J2S3glfp7ZV0YtGlvYIekyNbaIt3sRYtDVi_bNgYV6mGwnQLhDOIv2m7yTpkDinZY7Fd0ScNJ4vcC6qg7FNuSKZzQHey38aCg4B2YaV6f.d72Lg1Km.slB.klSGMZ_kFpWUqxPK9FsuG.8qb3JXHI7HIvi_dduTlo2Sw6ordzkCHg1Sy89LELf0.6Qp7GVFu4zvpl4EPoyH8reSGO0BaHXc2s4LZwfLGJj5Tg5Pg2j1.CrVA9CTWqfrOAnVvDiiseklKyyWidzchxUa62DQRvkhvC5bJw0E8kiSWbXiQWduriYDJJ04wa2I18oBnm4D5aHahH9DO5H9rEaiF3tICqKc6JsIo3mZu0Kf6rvhSjYXAIglqM..ak1HEXtv08nC.3s6uY99HdHkIO1V0YKnNByoAPnJE4kkOV5IqpdVgpR6AJe._4GvBXZv_plJpjUSGOCiK2jsabWTT3DFLkMLWozLWPPZRDbWR.18wNCf0tDJs..le9GP6ZB6brA1dSX3iP_m9HXQWmK.uB4wcE5pTd5qNdqe8_YO5qfHm9KH..4nhrZCx.qBg8JsMBnoI3HX2sLln7D0NW6bdy5PD1a.SlHFjHVEq55LMAT2D9ikkPaW8jwSc6ykFEKgtIzDWrCaTmRHbv_6qFVidK3.mR8y0mzo_qgdB0_vLABX4I0UvcKoI_27NInuJlI1QAfetOHlrQvANJtzvOVK35J.cE2dz5W9hWv5l7vkhdHS.nsDRke29yBQfaiEe4TTCsjEjzGEafuXqr13DKVX5ov99LYgk99zk0DJYye5B99pc3PsG8MqXyWMgCSM9BDFw7VbXE3ZWHqa0QEIJrKL4JdNRc93n.DLUTKUahE0KzAnxKBXCosV0qAmeg8nWDUa3iFMa9HJCmXDNLj7C6eDKnHf9v7wYy91uyj5rjga9lqhdIkuHMkkz5GkkZf_qeW.yKVvkBsV2tGSVsVYzFpofzIfSyEQYfvKm6Qw5LSi18y46uGKvDEij6LfQn0waunyanZ9G64VQyPBVUMt8OQ7iyB92baYYpLv8fZEutvlYKQ80Yn0SoURqGH2uuNz0XCtTkL7BLpdxbe6VZbfmt6ThggW2_8hkRM9CyDH1qk_giCgcQ818z8EwzOVQ6Viflyagiu.ruaJ6lMYhGscg5N4AfSuPniEPa1wu0EFGY2y2mNOLt7Vj91t_n0Tvpc_uqVMWyv4oYWY4ldi53kB2HfN73ongjVQnTdNhFV.d2gGPDAdPz.u3n9.ybqj1_mFnQzOv9CLBwyhWLAbD684mlSCkW0iuTLuLVkvU_0gtq1PWv4GiogZEE9rOzPNTTudfOBbVi7fkT_tTS8Gg7Sq77.0nGwLeQV6I4kzTWruybOuWjoAUFf4SIa193z0ZZ93QWETlQJnO0N_wuTnjtlWJl2Rv0VUpsiIBV825CvO8JMq09qRKiqzbO8GlGIeb93Ox5QBt41IZyX3n24i0H8LM0WH5E6t5eHgKUNS74z4SM3FR_jiOnxXClWvm2ZTwvl37OOhaECcysUsOJg9CbbS1HkN0SvUgyWqs0mppL..CvOeokl_yk.cQ7YNo7OHkOxv08uTyJXAvpOjWofa92FCbJ6sbJPvJ5r2qYZnf.3Z8wl4BLStIilb4cd1rSQRqbcmOXUUk2pguPY8Q3PVk1OienrKmg2niMwROeKtTTg7yfbVNZXZVA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103e72ce59d6d1';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\/4128350796?__cf_chl_rt_tk=z0MOjAKMJfeDtp3c0gq9Zod1hEdI4SYqnzjSxcbug34-1739401741-1.0.1.1-VTkPs2FCXl1sfpqfVAU4qHStoJk3PrQQnegO_bzngQE" + 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