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-091968973364.mit-edu.top/post/4208519637

  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-091968973364.mit-edu.top",cType: 'managed',cRay: '90fcedc1a821d6e1',cH: 'sQuW9l1hQtmdHGm1.DtukNzbIT78J3S2FuP0ix.suT4-1739199206-1.2.1.1-4sTUTY2RjoBIkx32aMfeZcq2F4FE5__L.h64S2.frQ9k87z_j8Wi4vlKD8qunjE9',cUPMDTk: "\/post\/4208519637?__cf_chl_tk=JbUfOtb.AlU_A2hwg3krTBoiH8B85Ac8c5IEb4XaGDc-1739199206-1.0.1.1-30Nz2QttllrXHOF0Ba_bESWgGOF4ETIwmp7Bhzx3yZk",cFPWv: 'g',cITimeS: '1739199206',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4208519637?__cf_chl_f_tk=JbUfOtb.AlU_A2hwg3krTBoiH8B85Ac8c5IEb4XaGDc-1739199206-1.0.1.1-30Nz2QttllrXHOF0Ba_bESWgGOF4ETIwmp7Bhzx3yZk",md: "cUmUvetzg0vXu7b1tHgCgvAjFXZmWirCKYo1ygwN7HM-1739199206-1.2.1.1-DISsnw.7QrJfXVh2iEyFSqaqmdndMe8txlMMCCCR.wh6FkAJ8UpB1qvcvbLEpDC7PMMgcSjvzvfq3X6EVsp3TpDHPBJLbvUOYbcCpw8RfX4ufz8FZc9Rnuh.1XZxRXLUNkF0es1ZDWxNmQmlv_ibpqZtVKPHVIJlNHbl1g2Um0y.EkJiQhGuWTjER_Fw8w_.48uKUhzCN5JAaUfN81FXZZv0nJXa4tVI.a6rnFfXvZ3Z.9_WlVz8XilHM2QZjE.5edA.bF4UtYKBo0g151qyrw6cghtFTRl3k4ovqtKskTyw0VR6HDTaGxhZCYsGIK9ba5VPPLOvmEquPZp.cTlWRzNYpHaOkowAMbycPsmqIDFdohzuVouOMtZExoBp8fS5t1nrTXXX8qV00t3tZc5avN1xbOi1zm_GDpcSxAszE81ClNbcGkDjnCyfQxmZHB2G9apYr1CDrq2Cfku4ano.pCxcO27rY5nnSxrD47nVBpMiFW2QgWd4v_FhfnBFgoYq0tdKlkxmUwSvfEYJtS9z3E1LHOekkygL4nhtLQRo.JjInjIGUIZADLqI2N_rIMbcC98wWK8OvBzzhUhaERX94JEqSOoNWLOKrzbTnSPGfePq..NAbpoAPgAUmgE392dGUxogBLsmPBMNJ.Y77PV5Ic.5Pdb0d.wEX.wDwNeBPD3UmoZrflPWpD9Yd_2FWlIpswqQYO9Bz9jUUPTuzbOCNsffAPif._Vgk_4m3mNlPbosdFvihrQXWJOot_lCtEAJYuQAx9iFreFKIQdKHkbFojtXhdN.iOdNSEtkKNsDYC2agJJkIFEQwcWdrmFWfbZb5Z.DJzISViZQfIEKo9VVKCU5RTzOc0iEBMzyulDKyuFJ.ZypgTVz0IQzvuUCvZh_y64dcD0vsopralAaGLCEh6z6Yh.dZ1IayNmR1._ikEEuxJlq3cR4gAU2x5WE4HmeHQoWJYyvfrlKVR_8w3M8ROsDBo7_cerzaLyguehebM4MTdyHtgUN4om.puAtxuD5Lv03cq4w6GDQ5RKHvLhoCZYxMrT9C0rDnea2VE6bQjG93o9T7NzgnZ49NfdSJY4NCzMsAXtvxqoKLEtjL6EMk61.OuChpC0L5lKknF2X_1.0INtV_7d9yH_tCkiC51xpdd2owSHaTchspNIucte01MbIV16T9nigGrHqJARX2pGRUzGjvU3CRALXTsfdbnE_UMY4U9ZKIPe4FqxLrqgCvIaMyEafOj.5vANvydsOigI5cgbAKJJ9L4Kw4ShVq8W3S_MF8FPhoQPMfaji5ElqNZV4aIFOS2cZ5tCf62BVJdcWTFimF1oTl_0P9xrPClzsfiQEIohC70nKuY6QVQgac_XotYdv3XUoGx_iByvpn1XfUK0b70Vzm6_lQVjckqQ1d_k8QjIDklWGPBXwzlwmZyiJ7X3hu7920uhRtlUZxOI5J2EsdSypGPpeYn87wEjhhSzDnazAfsfHtmoWA82Zhemq0WFFjrrPJPvTXi1u1oPkqiRHv2E47le77xYzjG6zGi1yxlTdMnvZd2YawuKe6tMgHVw26N7HWqmuuSKNheF08uEsKOQFK_8KyzP5I_1Tk47e9zQ_FqqC1.vySZw5ElGHbwwo.mtPd55hlfRd4lHyYjZIlYLLAB4HfhvINBX5sCirbT9gg4KAFGgFHM_fjeSdoe84c94ITx3WY2WBIwFv7R0CTsONNi.Mfyeh7577raWu6Hb9o1DmPa5WxtE.Zz_yvXJw4njfZrO9YGopb87MHXg_gWPRVc0trY.DlC4dtJyQ9iHQauSZYJ7h7m2LSCF2j23w8RdT4DgoHQM7Bo2NS9wCMfqZe6WRi85887J35X9ulJh34m9rrm4S9XuAYb8tyXdhXdXO8qHr4_Ke5DZEAoKC0Z0C1_EKMuw_asQscBlwb_7bwUUhRPuv0S1ajnCcUEqTVM_OmMOXEG2izbD9Tc1aKbpRx2PTpBtKxUzhIWWVxOx8bRJwLNlhI1UuLn2SjNgAxPkhphYnxepmZRF04ivN32dYRvoEGkL4U01dJ7k0wbXR5St8aIYSy7netTx9C86rSEIlfOKdCZeWND2Y_BJKOmRyM0Aur4W9evLZ5CJ8lRkrUmaH57SDwaghk5dyHfg3DKdRUyOZzfPiw3TcaKkKOHsAl.TuxoW8JpiDKzo_SM00g0ZhP9aSmIEEcX6xFg3k2EWFeQoLuDkEutVpWvOMyfgZB6yEEFVWYkNw",mdrd: "SEUQag5Vrp6y3aDLue4_g.IqZaV7noMqGiko4bXM42c-1739199206-1.2.1.1-mSSyN6uZU1lzJkxbbh5gJeOZBu1uNxwfY2tANq96IuH9EzUciE5ZWIl_Khlsgz.dE4M8TxYTVcqQGkSVlaYDQ2JVmPsJiZiBPA6980ermELaE3B0L6ZOWvrDkp4NtTxyH5_9Ek1.moh8p37JUI9SvWGMEIJZ9jb1fPAf87wNbmQK9BVTdDC_Xk0CQbsZcTbvO8b11i2nXdsOr960IQEnIySV_KNscs9740VYTlzeVIN8X.qJ3MNe8AQ7piJ.bVzayuEAdTgJVQlzEl4hq9nlMSjSwzc.zVXgvAVqXLWSGFLOw.gnAII141QYY_T1o7AaQDR0eFc0aPinA1OtwNaAs.vq5VxgdsXQFUtQRuLxOyyO_crrRgHb7_LDnrAMbzoTC2H67jYfgHb6lIqI3U6Z8gWun3X9VAqeQCvTA74O2EXDAokNm4IbGXXCRULL3g0kRbAry.MH.Oe4Cxo6TBfAXUMyoWXQQ2p4_76xvp.Qffa9dM_frK0AT3Ya5GTU_qAmgFJc1TLcOsqB67eNuhTrZTq1Y.y4SZRKHRGsetDjU.VU6aorUs6q6uFTTEhehGpayehltNkdpxRICLSi1e8DaIgxvGKWFedB12bK3ltv8s.yVJaLzASsZSybO7TOsvWTpY0e6m2RymSrP304rCtqMal9BB5CjODp.bx4b6oKUShHsQ9AfMYiAWxi9eQMJcqtEJlX8zSqICMUPy6KfQeB9VuaVftnA6gpj13b1BY2TWUntKMZd2JJ3JWRlCtsHysA403e9V_hYOeivcHiboWNQkuzDkVTCT479C1oyTeL0RJCAyGSDM3wRSjRlEF8KSq3F.wHsEPSQNUdTD._c4x7gzCQ8.zs89NnscEj3wlrO0do0eGTab0fZejPqy00Nwc75OrAR2FPKJW3sxdwQXf0b6hYJYAjxNE38W0JoUkf2QawXx70yrspTbV9TsFYI.FjHWnj7JCdOv1lEEs7tbDTsmyArmzJ3E1aDFSiMcZTvBvMWVSBgs9E.3NxjtIPUxCCd7eNeWj79cRDy_xTRsgLYa5NNQzzXkgxuzAV4egO4JqgVdYrIrO6yJEgvcD9gs.uNAMhLDx1qJS5o4G7t2_wdZQMNcP4mlxB0xUTHEpbwImVXpLUU_L2DmOgmMn3jj7debX8ypqRl0mUxVHjAQ.DatnJngoCVd6Q.Y57AZKKdKJqvIidu.3x7uggPLDsIrwH_T0Z4o.TSafTxbqeqfA3CnezqCD5vmw3DLeMdxZbVrLYIxKGy0eYZ65oX4JFHuPHV9bmuXtt5WMnv.Sj46FC89eutKVYILUNQrFp5S6OqJiKBmIcAPTYscKrr_V3k2TPa2.yk7C.VRsqCQ1DAIeJCMQXKZrR7EbrQ6lntms8qjApSlNsY98F1c.RnxdvznraVQuYnjFsdGHswoxKokNXEi6.urj0Zv6OIW4Lp0In42Qbwshf2MdygSi4Eq.NuOy5n8REHNuJZ6JXnngWMdK9e1bWoByYK13w5bxe5owvt16ssdOrizhJ.1ww1bPNjvR321JF4HxOyxVhVyNCnghdqO0uM5S.Np80xg8e9fxYiDafO.Ptgg5h.UK6MLU1oXiQ4kX4Secs.wHKKg9pyg1m._HNjtfXjmOaf3_MBAXqIQj6BHDFLGnMCwpy9jFrvvSFvSHmyfheswgd_bcDg043jLdwHQTg41cQRqmTkbM7vivW9R2o83L2_yXwykp9DmaYodpvUcGIb3CkOe1chgPThbCvhvo1ql9V71hCJJhCeo70nvLvCUY9UCwO6TfDEOzyW80w0WcG3ivnbZ8Z6rlS_uD9AN1zZASMxKh3nz67Q1c"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fcedc1a821d6e1';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\/4208519637?__cf_chl_rt_tk=JbUfOtb.AlU_A2hwg3krTBoiH8B85Ac8c5IEb4XaGDc-1739199206-1.0.1.1-30Nz2QttllrXHOF0Ba_bESWgGOF4ETIwmp7Bhzx3yZk" + 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