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-536312620422.mit-edu.top/post/0471628395

  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-536312620422.mit-edu.top",cType: 'managed',cRay: '90f3af505c51f27e',cH: 'FNwbwQtNJdFZlHvj5t41L6N1doLTTHZwyjNbNmp5FKA-1739102277-1.2.1.1-ss4NSx4Dk4K_Z8oHBssdaQOOt52ZgGUsoSnim7EWjRmAi4zKeJa4Llt.LbQewXcr',cUPMDTk: "\/post\/0471628395?__cf_chl_tk=GTEMge1qVf4Z76vZrE5bMqK3uMK.TH1VP.2XGT7rl0Q-1739102277-1.0.1.1-ezvROhX2iprYEa6WGq9Mmq9d0ejxrYYGMzmd1TNADWE",cFPWv: 'g',cITimeS: '1739102277',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0471628395?__cf_chl_f_tk=GTEMge1qVf4Z76vZrE5bMqK3uMK.TH1VP.2XGT7rl0Q-1739102277-1.0.1.1-ezvROhX2iprYEa6WGq9Mmq9d0ejxrYYGMzmd1TNADWE",md: "JyW3rUrk7mlxFTIBg.qUJxM0hHbKtlazS6T2J070Tgs-1739102277-1.2.1.1-O9MGI70y03TMLc0F8VYxj9cCp4lfqP5mUl1QdBizbPc6zepAYqprRzBBm9DNHGQ2NKiLZdK4N.gwSrw3I_r8t0mQit8tP40GRQEcoAWbMsWwT.RtS77xBJyDe_c_XcY.sBBXFkj8twzZqohWAPIEiCEqvKYpUxq1zQZ.wZOdl1aotAdvYPXcNYpz6FwuY0whWIg8DAneln5YGecSTLRC01Cj8m6KX4Y64uRtenDCMerBOThgZyP05wKM_iaU0L0LTKTKiB2HfyWjCkfDOP5mrBEWUTk3iDOjAdTO9Yapeu2ZaLgNRP_P_TJ3.pXsDzL18Hlx4TpbqzS5VxOZiUMq2SYWAy4mT_dFRFzv70hQi7CbECX6NXI72XGKY.ge5LHFU8h2xD0asdIwWs13YNrwuqfeCV4wcyBFeq1EvkdA5F4LaR1S9WeYrG6au.fZFU_25r89rXoY83lwuVLLHc0345h0WINDPpx4Sb3uzoqTOM9Q59D1VEgqIhnkJp33mJlqaS7OdvS02x4Bx7Ue3qXO7OgR1BxJlzl_7sXv.9N9nK6J0_42pRNaLsnXcCiH0Xe__4ZTpzT0bLlYPCicYJ.jqllWGKdFWfwlaKaIvuDz0KTpgDprnPVb4OJnDsp7Cef3.EUoU6U8XhFa7I4zWW58B8x3Em2uQPEeNOtue0s3vb6NTO51EziCwfrxgCuk9enTbdrVC3_Jwe8KuDDpoEhvkMNDc9L_K3SHnt8IKjwfBTN8ek1uljhhuvzx3eKrfICSCGTemB10GgpgxLxYGDIxfKY1hUJrbWM2Cua4WwrXtFeFeedagU60X344v3sUTzG5vBQU.rENaS6vn7CC6j3GadSTFGm9MJay_zg73IalmYhVAyK2lCfnWBMlG4MRShZnn09tXbYJTnnFwQ4MTckTdNp12lPLaLzrTgz1KWuQwz2iqAbSW4DNNFBGCnE_kXs4vW4r9XOcfbp9ibBpyAPjHAIZqQM3jzfERHMdI9IiQFNqgWGlxn8392U1pbrtVmZ6VMGp9tX.7Kd9pzNhrci3gfrveeKwJGnIm1YqMy5CuWM.E0UGf0CRKo19HrzRfE1swHtCO60ovXYxwT3k_G_PENtVSBlCr17uTpN3RHfMu20uasLNygF72xxJt7DfZ4t3bNvjjLZRgcyGZxXNBJFx9oJ37qQvpKxhuaUPE5i90HZApT.nErKql.5UFyLdj0Q9scfgWmlAttxXvcnTV2ukFPP503MR9KvETJxdK.sIaO3lCrGCM8W6qr8ykowlJAQktFgZSCA9mgP2feXJa93J70B6bISPHdOu537xOyi_GJkztcU2mhNeszCJ2AuFbSdtGyjNmwa8yShRBsKB1H6eGp6TFFEmq_MGWZVEiIvasDLFD90rVenGn6g6ZsCmRLnC1DYbqZxRlRY70bwwBKSUVq7VYOJosjf_ZQCkxbxhdznuy8tKKRduhaIiJiPKFxYCHY_i6m4WiUmkIZtg1UTnui3XlaeznEe4YzpLcXTPUAat2qzo4XMajiVK1RPUCaaq34z1q_NFu.VGA72fs1eI9GZTJ1DoNOgAdyfG2yfCn62.v5M9doYRto_4f7lygxPB811RS2jXv95vBqYFC3ratPtnOuMBe9_3ffSevnS99okZY7e3U7iTpepmt1pG4MEAyCehiRfCxc176h2HtKP4VxCryNweaZc9IEdk_W3b5fGMrW0R6txwbUDNWAQcKQYrDw1kdjfJuLfSpTPCVSx5QoEVPz8vMGzap.UXYzV3WvOdfLxcUzc1zneLzOOcFflxQzmPV9FUU5b9_ShFi9Cwo96sXgSAhAS6GHRNhSBd2tgQqp3qwCzTE3qmmzn5pEC7F4w9bwK42.MDRqsTgqRNXqCUR4VBR4pfLcBgNFj5cDxQWf_BBfQoxePHuJXAGjl1TVZMVZWMg9ktUl6VF8amQeGqiYBoRmKrm2OluVGl3vIp6QVPAVdZUgro6v8i_7oUodqT63w6LG5HBzPfubSGauDXVFkwZU8wPu2rqQEzoEltw8NGHzsIk7WRWWcmPNnS8k8cCrabhKC_.u6pNwHboTKs.OX_kEpqUwiYPURAcUCu1yVvodwmH_4MB97V7gAVQ4UHRtddY6u9fZvHMwcRDMon5dIrapXkPixb7kZtC4ekTdsNNuMGtw.cazecYll7_a3cgdn8NNPwNzACjVOuc83za28.3LMoQw_asiohrVe.TAVsvYbYUnX7EdOZm902",mdrd: "lfsiwy8SlNt3P5AuIWwFhvJfY.pUybPGkBOcKGIrafA-1739102277-1.2.1.1-jSsvQ18Y7_7UL_w6mVjRmAuA9ar_DoxeRh5M.97nnVNlu8uYZCVn4BG13pnTtLn1.l_jFth3XdLp6rHZPggZyBDhOAzpj6Zgv27gGMF16Cat3U2BH2Syww52NhWS5l08l16AeNU8W1QhcQK10actrtgpz_vUkIWG2GUN6ZXg7heV7VDfSg8VK_M9uP9T15bFGgyC_8.RJdW96SBUS412filvCy.W874bEvHA1PiGx9uirEO8cYINdZTeZr2I7r15QGJaKMWwBfXt3rz4Y.dVozaE207806hpM8agx5PbL2kZrDL9aIM7hYI86BvBEBWK.xqMtDk3S7Ez9jTx14G3craM0XBwJiMWW0J2zq_R627U.gwH3G4kVNUkjKu69pFEuyJZZxULTPffsfoRg1QFJkFe8M7iMDoxT.OaFK6oI6dtPioz3Z1xq3P.ODSII15NQ8pmy65f8i6pdrvlgVhsIEiVCwmTGaTmwmNmvqVv1fpwiy_tgfFhwnTF.01gXrVsQHYGwxZIGbu9YW5qewiclfwIpNqUOiLnzktfpYqFB19ihRpChWmte6R2lPdUab1e5PaW6_.eNumqNZnmyq0se.7Z5FWADyXkusXx5FE9_HxknHQ2ObY6V6XuFUEz6FcQsvtCuMTzOfaM.eKFROzA0XneGztvtTeldDKsUxnxcsHmZELG5aUJBUihbMOb_BflQgCDz6cTlgGfh4BrF77LS4EExdaCvAFkqfuwk58O.vGaopa8q6I.3Dq8fKZ1cpXfqEgzGEpwbmL5u.8IR9bknxGUhY3uaLA00SaaPvi7mzxp1p6zuX_MWbt85Uq9fjqXBQnbJsuLgJnY2uZuAD3Wy4bN.oPGxqxpTLI3gH9tLji.cKmvsRnoffbbtPPLNz1EKtvBwdCOa1A9W761MbQSgtSdspM3jnZnttzx5pxIu2doB3ql9a.MKEiuoZHAUl2.aGo5PnE7Hifo00hnEYPGl_3KptuIo.qiPUQ.YZumhpLupfl4rfLb5tiUGdf26pIV8sQLCtHZ2vcBgnYNzKMWlNu.Ql.fJW_WB_I7p47fCqaox_RDW.xjeCsKLc._OWwE9yBdz6IDd.AFIsdotPcvax9c2rkCXfhDVQmKl2yuLVtIRnniUchCi9cP10ZIwLI4LeOoVF94e9Nk5vJPAU5UG8RadJ.G_BseEE6zq9NaB_gCyuVS9hwg4HWrDBfXgUmxKEInmF6D5oz16Ty3oXSTy94uNrb5GYL.8xklL1woufIgHNq5s6bwxhv9adsotIuVFRfEBR54Ll7iXesNlt0Vf9MqcVatBWNd13ncCpLYKFxuh42BysWuui31oU.o1JP58wMcEyrgTthqSF_qTDKL02RkX13GeVKBkK2hTvAVl.15jLZFQv8ZjWoIdJUyEDVbPH4VFyB_6Vmk.ylY4Q.4Jn20urn6gGNrO1wPCOemVDjNPE3ru4f.peurFDv9P1btOM.pCzV8ks0bkcsOEbqce331gHwOD0SQgwQcWr5o3fCBudRMdfnb0AinetrZ6P8_ngdQF2CromokbEi9D7tNtcCZboVqrTp0bfnGCDKJ.6gf0ugYd3n92DGZZuFiWKnbi0zW2l1YF3nXwrLqv83YK6qwyqOncZcfcTsrvbvT7Te6tlyEOJJdrYwqQh7vaYti6L8O42VI59t3vB5X.g6dinz1v45m2zQprfICbjfyQbKmY7ev6x7i0gS3uNIR7mHHXfke0sAAbfBTDeytxMg5FgmBItu1Z4Rg6qK6rRzL9hw9mIgYolhqBJk3HCzQTodGr.OMJJQoXia6PE31Vs8RQw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3af505c51f27e';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\/0471628395?__cf_chl_rt_tk=GTEMge1qVf4Z76vZrE5bMqK3uMK.TH1VP.2XGT7rl0Q-1739102277-1.0.1.1-ezvROhX2iprYEa6WGq9Mmq9d0ejxrYYGMzmd1TNADWE" + 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