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-006232563121.mit-edu.top/post/7843519026

  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-006232563121.mit-edu.top",cType: 'managed',cRay: '90fb0671fe94e5f1',cH: 'i8ezqC77V0NCEkuuyPWOrKXHSc77ay6sOE1pvfyRc7k-1739179246-1.2.1.1-VuFG.xANJ2YQRw59SBL0xXdLy2ixunEUL5P6mZek1f3FGEJ4Y7MIPeGXzVFOiZu2',cUPMDTk: "\/post\/7843519026?__cf_chl_tk=8fl68icDXqX2tVNNcs3fxgM3CXJ3yvKOb_QwjHI9VD0-1739179246-1.0.1.1-VwSVxokM.6nnis3Y5S6wN5igpv25kcmrSWrXbAT0HbY",cFPWv: 'g',cITimeS: '1739179246',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/7843519026?__cf_chl_f_tk=8fl68icDXqX2tVNNcs3fxgM3CXJ3yvKOb_QwjHI9VD0-1739179246-1.0.1.1-VwSVxokM.6nnis3Y5S6wN5igpv25kcmrSWrXbAT0HbY",md: "ObLvxgXvOyu7m__Mzm0Ps1VFJ4gtM6oevpr20nwtzJo-1739179246-1.2.1.1-yZvVwEArXC0y8JkUzOk4voooVk6m_t2A7qAIhopvbSiRqPqe.JslyyDNj2KSTAuRBn.kUd3.g1djxXshTFjSrwxXGB6UKJ3MbNck6NEFMMj_LZubZN5KkB1hM.GfLns0nm8UAT8XebwA3YgWTi2O3asX_6U881C9lxoytFvV8pGc4Xi81Ur3Dwb0ScsVQN9JLK6NQjbqd8GYqIcO.U24LG.uKN5UClw_CJLxMYatrxQufj093unyJM9XEPdcziAOGUPh11ZU6CpAVQ7hV2MIazQpnJmQwHB_6uYimYctuHbJ_YQattrANX0UqQW.OOy.1KLeM.eP_Pcx6oqgegF.9Ttq3MBhYuts_0EACt2tZPwppLxGSaDcPEIs0ArrWDIXqwuKAeyNpjB8kWlJTj37Ohc5BZpoLydTR_Z3Nx40eIVwCOrjpZkz61IOIwMr4LnW_uIyzQa4DOVLTKpVLd5rdZ5bVx1mTJOsawwtLYvTayN31kCkpYLfeXH2m.P2aIz0Rpx5lqCs8xWGYAUf05ZBB3eXI8lckcEq_ZHWw6GjuKNNmKKG.4jRBmjUU_0qfzx3IPpkmMpI5w0HJOKPQnJkQCMOdxZz1XGmtvzKu6R5CjMs1QENA_emNJVm1GTzYE3NkI_onHiB.YIgnv_5_h01Go1EEYnvxt1RK8MFUcOAnnwhsD62uiB6J3I00Klteqz3nxgUf3AWukbJWPeAzhE6cmvU1iQtNItCeSraGrUCQjaav5gqGvSFaFRsxSlc0KhT7XZyJ0.vwx9prGru7oRFSvSBfkbIKw9.YLrCawMVe.wOiVTkN4tDfFuInTF4TqfXO7yK9_Len0Jh2WVqKNh6XiJI4_ty8H9TycMP_ucNNpWX_B3x.FjJGqHcnhaM72UipaGYKp9YwAf3oysJ2w1rnAD95M7TYJ9QCciAisctcwKzkIkkK2igXJsxGCPXaSsyJrlLKbkESsvfsrn0C6QreRlwWBUElPSwJ_.Nn0Lg4IFdoVLPjIDIQGusuKAlAGFkvuHJ.TzqAuUwiSqH8Sp_KAB9xOamI4eN9gbcCIRz1zSfYkN0vPaY3.7MdenwOrkoPpWDGjY8f1i4LJnqXvXjrJRbn5cxc9dyIsfkq2ImmOzt5gPryfJRywO6yRqzbZxRmAE6r3MzcMVvWSnh9mS79l.TfzGatWRLc3WzJM1FrvV1q45gpcVnEOJGieey.8OvAmFcDNBIyY_2pnzEah7KYv4Rjtaw9bILyMShwkyp.NsBay.DnH0xliKXg5ft0wJy849lNiZuVMPtCuEABkdWV2_cygaOQ_Wu6ZNlu7MYHj9croR1ymMqzyxddK1Yss53lstn71DUBD2X8JwPGADWC0A9Z4LURiTwbA0WhJvk54Bg7r6zA1TiknmeV8xRxpjgt.ZUZKyAhKBCyTA_wkpXKKLUBuX2xDJepCoVicA1lOA1qOUSFF8g0jgBiUnnt_m3xL1TrAWq7aJ11Op9cQBszsaD5zjqgquvfhLorT1854nMx5mayllMQh7xSHKbODv55nbk0NNq2y1W0RAfTCIXMS5FUkLPaaH9mHfO5iv7CUSpWSM_zspdZXik1zUUKUyT_1YeRFxa9ANJgSgZaw3hb4Xhpg24YVz_FwQvW_Z_PcBTgGNnj.S1O2rzpCylRvKNCEQEb6sPwNN38ZBwhWfCJpgcnBuDdvozKLUsT1nV36NthEwwHZfi27TYYmq3l5VI0mST4gLgJIEqSLU4sv4RL9ZJYQQ0v2cbkVEAAt.egregC7BX6XRtdCe6tBezOuszrP0FqNjgaVWlRas5rJ17YQ4TRoMLwXIBhpDfaE_xab0JhB3Y0h74W9BXcbGrdIjHxTjTeBae3pSdqDBi3OMeS3QArGoPEvyLbovOT_bfnIPK8_hE00y5d_TwuZFGAYu6KSa0i_t2ImxPAfmZ.Q_NFKKrkCVxJjqK1VKVNNp0k_0FuD15bCTi.43bXd69lKH6iHrGG_MYFo8mP8NwGhnNvIkyMFf2v9P4sL4okc0hgMLRBiJ9AMPOhzTis8Ic.KSzOeDotvTsQt0WR7VyLDOEEVH8JpWL7Bxj8XGJKHpR4DDXPDK.6Z6JBQBE_27FxOJYVhbp3olEXT2TyO8xtAuoTK1XW29HRLZ.KoYJutGSwxm7ZgLpxOrR_IMdaUg.BLUawGzYFMz.Lw5WGwoqOVVq4_N420SS2YVTQopDovfo2uGPb81zRgqlcs7CA_CA3Xfo",mdrd: "PLioib5YOSkmfqIRWff4HMS_NUVam8zCXWIngi8kNGo-1739179246-1.2.1.1-gURi47iQYoxGdDYyGwRA1i7gBKbJyUT44GLsuvEFZ1Jq3iCo5oGiM.HjGPipYUUMe1TfxTLA3K2vEqw8U18TLOAlHtq3FbBjAEvTY789Kjf9jRyZNIj_j7nbPhFRMw4TRkpkzP0_02figery7QQtGhEgwcpytT7TWMMkq1sN5ldHcuZZ7yd17y3gWPMb7USAmKrNJg7guQtdhMEM3MbH3Meu.BwoJbuvNB0C9wQUYm5i7juUXiJYOyAvjcShfwt_T6Tj61b.rK46GDslJHekPaCJEZaEgSmzmSs3jykSgQ.FsqSbGEEnkpDyrgd.DrwnIOhbbwQVyxdeLthKTwH0nAAITj1vA7N41Xs3RF8TMhgtxN3RqsX3AXB9WlFKeMgZ36Lpy2Lfx9bd3V2LCAShx8WnWPcoGzFBB4r.w0TG2XaTvBUFZkM5KDjGxAAjTjFB.BD.94k.5fZSRq.0dFRZuJV0awohHO_QcDsw57S.dcvV9XJftTXe1bgtnCq8.omncmM75tIu5zVXv1g5rW2RQPZElRsbSn4W9ix2fGgeKHKWoF1_S__c__nKpV88XNv71V6sn9jPFhQvWHB9AkmTCQuktmI09x1g7E7QVoz_Q1qBfgmhJuVjWAe4lFebDxtlDTNyMxRYaJnDsQOuUa5j0WytmZ7fApoYwcM.0lNGnEB1X2gK260tocj_drfwe7.yOaHmUD9U8SimN.QrQh.DpMZUqlFzKqMvoJqMQqt22ro_JF2YVW0nCZfJkF3Yd7ioBaDUJyvKv0msFGfdB1b43vZHfo0dVrA7selq2zkKAXa3HdCQUvTzrdeV4XFCLIfBxK_hnz8__tqS6s2F536YVcxq51cYop0IAyOGxqJrYw8Ee7QW5qzx066Sx4zjIZk7JCTR_Oe4D8k0.q8RxcL.XJTeZ.Tz3uquTAxuICVTZGNnne6Yv5SlwniZj.Z_aOcAPCJEvrh6kasoPSt1_fUMe05ixOf6tU2nd5wfjkQnY3jTGc5M2h5PyNHqnCSzlpGYg2pZ18v7Mm83u5JLGIIP9_oQ8oPn355oCz8j6JCSZzu.Ta6eEDCdsIUXIPSHtpSg_DGrm5NpSOUS1kFT.8tuBHuDXy7cvjyu2GV.UbwWfZjp_NMMfAF8m6iZdvOmE94TQyxsTkW.Hzxq_o2tR7BHrt7LHNAT7JmGB488mPHy0pwlUnS4WSLNngoftS2CBe10t8mIWWOQ3SOX4.9J.dsuN8byCfwbCnssW7tWYg4WvST1Ghs4Z0ZblO9eNH_8F.xGMwBOeP_zQdoyQkkghABFdQrm5re606IxsvG75ZGBv0Zomat9s2no4iKfmyryxfRVsJ0k.wvRxDOW462iTBccN1ibeW_sMuw.rmt0qkJZecOpDkvGMdY2mYO.uk9p.lfN8MQF4P2zawW1kAfIDJgHR7Dsqn69xncg3GhQ5rZ3ZOTsngGwU569Np.VqG.7ldtg8su77DhKslFXz5pZAt3XhdOfgafKxqzw2fGZAs5_OTTIZ3.iOOjoGZwMH374NKye3ajhPB_1CIbZe_HvD.Zsbhruiz5h4MkjK6qkmaADR05Bkf7Cd1hNo41y5IhjN4nijEaorEpFlmqgwvPR1m0QRE6H1.KAfKeT0a6j_JsXJBNIibAP7gfAnhGL.NS_6Z6.3YcVb0q.CVWgUTeXICL9Y_eI3.oiEljMML6H1ZhirIFNvEuXByplEwLvKe4MRk.SyLUEhKNc8ma9yXi_yrh9eVyXnLll_qfipcHbBqypiYe1WuE.uviS9lJP0R2y1DtNGoxmexVyTiBIpeQ5Uhz_K_BkfMge0o8it_Pwm0VJXP8"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fb0671fe94e5f1';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\/7843519026?__cf_chl_rt_tk=8fl68icDXqX2tVNNcs3fxgM3CXJ3yvKOb_QwjHI9VD0-1739179246-1.0.1.1-VwSVxokM.6nnis3Y5S6wN5igpv25kcmrSWrXbAT0HbY" + 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