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-228965959205.mit-edu.top/post/1872504693

  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-228965959205.mit-edu.top",cType: 'managed',cRay: '90f235bd79e6597f',cH: '0lSv45BQig.zrl.23SpnBaCiIgyi8EdmbEeDSDY8aBQ-1739086811-1.2.1.1-2kb4crxCESBWo78_5jIlNE5kI9A1ayVupW3WNT9PsWj3Vw18k98xdYR3vzwwfWpc',cUPMDTk: "\/post\/1872504693?__cf_chl_tk=HhPx7eS_rE0d3fukToeYQsa_xq33pEeskfPU9xuHIo8-1739086811-1.0.1.1-9lmlMOUvgzZbBAuPvTGsiRUix7kSWZvAOJdX4fIw5XQ",cFPWv: 'g',cITimeS: '1739086811',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1872504693?__cf_chl_f_tk=HhPx7eS_rE0d3fukToeYQsa_xq33pEeskfPU9xuHIo8-1739086811-1.0.1.1-9lmlMOUvgzZbBAuPvTGsiRUix7kSWZvAOJdX4fIw5XQ",md: "Z.6oejUAomZby04ZLj0I3qB7WHkGJIhGS2HH8Z96c2s-1739086811-1.2.1.1-GfDFyS7F7qCqjktuHEhlLq1vi_Zxv7qND24le7I3B1Z1RL9ovpbh8H.4Kgo7dEH7EZfAhXzFs.nHk4EoPYeyUpSo0Q4DZTdZBSQMYKpH9_9khzBH9q4eVDrIsUviHloLe.1mYEW3wkCEApm.kb4I9y.XC11VyVFjmbfne5RE3VE2HShXWTi7L1j6dJYdl7nH3t122Z5t87dzVxBHACdLGu.frjnGmyBLpaMOV_xwidLp_iIaVG.YqqLia7Sr0M_xneN8EgfFI3cRkgqD4rEUEZ4Noq7xB2U8iFGlhGxAcNMeDPGHQ7bW73Mdntdpys7LNLK7AFHqfEYyc6VuCP.2j7nk.hgXnmM1MZq4Fn3eisF_otnk4xrPTUxTo11znihuETUhFJI99YGttvAER2DSpcqTMy.urEA_klOWZLaKr6KPs0.nCXL.X.NFs3tZPG0WJEMSrTtG.Dmkqc_YwcUExVHP5pc3ttAdTQ6Xq_bNs52eAqOBqWQNvIWq2tVsZfM9EQOTC_hhjY3EwvajVz92wbZDfVAeRfw3zern.FHDXmvuqmdb.NN5r_wfGQCSyp1mPQZ3m1s.eIkL8MnXz.k1xVWQnYQOJlWuf6KoELbPbcAOjs6BI2z9ZpHbltD0PTzE_JPYJ_HB5._uc9Ri2LV6_BTCC_Yk7y03xExGHhTJWQ4RyYC6svgapXUgOgRpuQLgdDiMaR9CMv5rFaSq4GfVlBACrcMJlENrdDaFhb3yGQ6SEMsAL.MdkWGX_VF6ws5wZiSx1Xl_VSa_7THMlwLbJnclGA5gSW2XmkXqxcSasPIbqZ_I85E7uGrf48eWG8clyh.7HwT8FSiDBWnZZ123feJLaz1385STZUA8mZ9uXyZFvVVML1xpNUPiyS27O0unrFEvFinoLN0RptmdXTtNHyit82Bna.9jgpZwi6WcRugh8H4zDNksuX3bnopftA4ix3n.DEtwrpSCReaBvUS1mbY.DHBbVtSRdVwcc6t8MRfsEPWQZ.gdpK5L17w2Xr1SU4nipE5n4cuaQdjTQb7t8EbdBPOE7jPNQR4cNO8J69IvbdoUTMkzVS_XTsbWjvsVJNZhL0QXmEktWVq56u_8C63c6.EL8_V5zea47qgAaEibh5tj0rSDROJ2vZwNMU8MZ7Vlnwl53Gz92OpEzwLbKaknn2Ce3WspQPrwbRvBibxZT0jljonrOLC1jzIrX9a1NbLssnihvVXTEZ4u1veqtkRiTte2kC2XBwr4d3u3DovJExENxv7cxEYsHhDC2fFbDdZNqCFEYLD4geA22h8aRucKg_EZK77uhLIqsb.0gRe2K3NUnIP4YO2XWre.4ulbfjBYF1m1k7m6RZC8Z8TJ5C1f8zGWaSCvvhDzFn5..yQjU7hhO2owMF7lgOk95o9M66L31HKeqi0yObn2fGiRDb6thrBZKRcREaRtJcen5yFN6bBiAz264r6z88V9pYvjYCkRYc3LBbvpxiJ6Ub6SHlDfm3wJRiE1nosC5a.B.W7SXtegCRm7FSTGIQMGtmavUR9im6lnoibce_LYKyPMRf5jJY7GCUEE5M85FipHGvBDlf0lkhw.28SagsrCQPgxY_Nt40z.PT6PJvUHig_wpJRnex695mEI35Qq5WM461ews5zOUgq3bGsyGlt_bFH5eBwpNVeMGAbHN6C03vFGs3lkWWMasWutTci8zmvJzQ3uc.VFu.ecPkI.jRPUL3ztrdTDkI0pUwZ0lQEAecvXNSTlI.99BQY6C_Hzd1iXb0V1oFCI7fj8T3BOiMkoUgQaT16e1vtWxngCEmxSZrNxO9WDT3QKWfwUdB3VtIUJk1OW4mPBOcVTmfgOQip3XL7CuVVuTqHfp6bWzsl9pwN.XGyuobIGpD7wuu1tlD8B016d5byiZs0J4c5W7_DHd2O7zTtM5evIPXSuiqxfLRf.vgDYkoBTTAj75bJTryhEKkq23Hn_u7lZU4_dVPiL49U5JvZgDYZ_WR2cBXYaVSPpFBz1r1nwzDI3.Ge7nurIB667BJHUbgsOIEaxIGpu4T9z5JjzhtWcu_CYbGIZCaqpZGUChaTnsx8Qf0UMmIO603pVBz9pLDOs5ATT2iS3ABe610Mn0z5d7H73RQmzdIhJFXZAkidgCB9CWhYjrCmF89dTX3nMuEX17T6.FfsPR9B.ZWdSBZHBz3FHmg7ReWqfOk6kOG.PKiBql6pIWCBJ1ETJ7fT.6J8pbcou6vtk10Xv",mdrd: "yMPgoLG72RPqPUxHIU3Jc4D69H00G1ttHqzhg0Mr7Vk-1739086811-1.2.1.1-jhYKAqj_wU71mMXtv8UiSm6xR.FYzpel7m16sqfdaFWuRWh.29rsVNLiSX4.jf7yDigyXfZPraDumjjGJ3V6xRkWkLRS56IYsrkCZNMXvAJxzmYK7YIzQ0b_s9plLtX8z8XiL9nXddQ7cc2zKNvnx5ZtL9TSiUn1D_WHEl7GYw976qCz9msOEYmZ16aZlMyptxVsPsGIwGD5Uq8qtVJyBfVJkWru.lcjdK6plcrL7gH9CClK.XZdM4c_OEPd5U_G93pZt_YWpmXbumFWx2Et_p0pGaoAMxLYd.9AbT77Sg_hDNcvZY5od7NX2DAl_DdGyOgggVpt2cA8BI2md7dhN9kd.K_GbewqjKftoXKBnzWrfzCtI5fgod23WNLTP6CNyURIlLj5RtB3w0B_3D6MszjdgJs3u067lx3GeP7wcFXsBrmD7mfG4dzvU8fbpyJYQYvBDghkmptXT_m1s7dxz7nON1nOb_4bEwMeVAJDqXHTtxMRpTw5UBNA1huF1S6Di0RxTCnX9DRp.P1eKoAXDHiUV4BPmUxekGwht1PXyGavCABPqz0Y3NieWEGM4QImJHCDpETlRONIyFvcDJiQQMSC0cTD5FBR92FjOVuhDnHMXzfCZqnZv661Aqw7cK8azX4FA1wUJUs9bnXJtfau4mvHlp0CczRV03K8.Qk7QnZIs3Zvq5O1SzPkc67qGroJ.wwz3TOSdd64gHk9ATYt3nyfFC1OR9V.S2y2zkm2MHj2rqy84Qrk7Js.ImEzBMG8vGNi1Ig1SckiOeb9a2q6knC87ynZWzbRSRLVGIMuAVD3vOhQCX7hYLdtsNeahsOkn.8CkVw5fqSA2r301udyXp.9S3utYeYnhbWCWrIrCkc_MLWUhu3KAe5ByTkIrvD8.55V4ffjhYZ0fTdDL3GPOCpG7R_.jLLAeSw7NlXowgJ.aCn4sLxUFl4U.y9eoGSqC3QFjcMslDNBwtzQiqE9vRB60_cHQNZ5e5Z.SxnbGxxJwrAHOFVk0jAEgtTaZ9aitS9TQEDGEDaM2Gh5zTXouc0mGpE7SU8ZUGkgqQtHRAK.4g_azdbPqYBqpStCFoae2dlxHsna5ls_5HyqMCuL9n0YYbfklonGoiQVH0BPOXa15HjoYk6MW2ezeCmCMIG7ht8icpK.r2p6bPeF9XcUhpteszN3N89liw9ZthNH0MRx4r2X3sTgVmXlYoWgwAAB7dimdvldI5yEvdCd7BLFqS30KYu.LzAQwQhpDTNJuWSvtFa4PU9FD8DQoCzgiYe8JKrV5lD1nnur1etv5nvXribJF8jaG6tMOOKJT3f2ODG.7yvzBSD.hzp6z0d.gkSa9Hdo6xHsAX43ZFwhN0JXUVG7n2Q46LlgkDro5T5YQv_d0IOBU8C2_ayXhvVFfDmJFqhPK4eiIje7abQqSY919c6mI..duReHNamljtkU6g4MuGghBqqotLG6Y8yUQt7cyvg7jFhNUGhCIv.PX43z2EBL_FmSR9QUMzhJx5WcdLsPfzyuuUy0Lg1DVfqP3kZCK2PW5YFKDi4YYdXGpFnx8Gkigksn.AyNqs0ngk8GZ7tSs4VKgXBmfe39qODSMMl7gxS2OexJZSfluWdwYmagx1GNym5A39D0nYgBoo5xp8EMP7QTWBH93MxMY1swEfYBhFNGLoLMpcb9YmjSYe4XA3yavHkmhMywA1_Sf8KmrHUoB07qBH7d2DRPg_vB5yKdjl9njVd91IrSaK5qHdchxvAcfKrXs9BHnvnf1jrZ1V8f4V2oSQDa1l_gMznpE6c5A7pMr.YpkLR0ucRI598Y_911U2TjElRYpOsou.kJvT4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f235bd79e6597f';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\/1872504693?__cf_chl_rt_tk=HhPx7eS_rE0d3fukToeYQsa_xq33pEeskfPU9xuHIo8-1739086811-1.0.1.1-9lmlMOUvgzZbBAuPvTGsiRUix7kSWZvAOJdX4fIw5XQ" + 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