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-431968117343.mit-edu.top/post/1098674253

  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-431968117343.mit-edu.top",cType: 'managed',cRay: '90fccb15e8e77fae',cH: '0qry4mWE.anRvhD7ds9LneKjxmoSF.R2FI4I.ocwHRM-1739197786-1.2.1.1-Tw8p5gpYzUWXETlT68mkkxK80llar47KkW2PB2dCzvPjqM2yjA8CTXcgrCVW9QQY',cUPMDTk: "\/post\/1098674253?__cf_chl_tk=TcxLuvNSThtd9e3xRRFCqtJOHv7cH0pE78efx8eZH20-1739197786-1.0.1.1-jv_YBZw8DPVBPQpK8fKRUI.PFB.IPckrG.V0YUa5gC8",cFPWv: 'g',cITimeS: '1739197786',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1098674253?__cf_chl_f_tk=TcxLuvNSThtd9e3xRRFCqtJOHv7cH0pE78efx8eZH20-1739197786-1.0.1.1-jv_YBZw8DPVBPQpK8fKRUI.PFB.IPckrG.V0YUa5gC8",md: "wOterbv334kNR7X.wyFryvJvmFbnm3od4hMG2DAUxL0-1739197786-1.2.1.1-StGEzMJFBDK1GZbEpJ1Ahg9efAP4zJre6DDzpPO.Tj7KTgmlbhZJEKOMRSYUZnAITzpeEzZV1erJfTIeecY5UhuOPa8LGtsyYaxdL03IWSPIvlwSFHx4cAGTuB_Ptvbi5TSIJ2h5X14OxYf_Hsx3wBrc_5fc_yvbZ8JjATT3lfbOwHBQP0EycxWPblZ1kYwtxQjDRb_3PLwpa0RwbC1Ir8OtsOgNGtQLzyOzl2SlG41a2uDVbbSwEF.3w63LnYlPGyqjPx4c.iZMk3fgId_i8mbYWDEupSLFyKEwU9Lnty8RnWPnxafZvpSTLwJ0dM7Lax4oDbmhyjvjwDQA4xCNn2KRlYgOMwx8D.r4xbz9WN4e6F1l7BhXv3oQJloE7wx9YUadGXy0zFzNeNWXBY7v6E6fja1QWNYE9Mn60t1dP4ZtgwLWU1N45WvWEpqJmLAnx9UjI20rgj8jJvHej25dPD9ty8Y8_TQ.p2xMQFETE642nCIHwOs2yAt_rfVD1avg75gw3qt3bOygGcowxBgydZdr8O5IIVx5tM3AfW878bPWtevsnw4vg9Y9MAMy2PbtBdeUFBlP28fKckLDBrXh_UWnIY1aD1TGKi65EuX70fhd2L6bytK0XnH5nOKMSILplhcV..pcsU8qCfMZ3aMEaxQbIN8HGcxxRhqIYODeVNgTcVb_lCLVcN498kMsDuv66CEI3pHnw0hyaiKfU_BFpXS9Zm5n..UauQj5FBCR5NYhJThNYUP_9eoCnP3.XBfJ0XiVjIr4oOSp.6dU_TBE8XIkjGxAWw0Sfi6mfqbDde.M_tLPbNTLDO8KUILTaZwfNbSgbKeIhtx3hgWxW9_xMYzVid1zwtczcsImthevYWtGV5RUIUXqjprhd12_bilZ24KbfvtaQTYjiS0SFeNbY86ExoV0ZpSAomuKwkEprz4clVCfUy.bwMTl.o1ZTv4LksiiZ_9AVOf87p4Gx3vJLdaDOvfwHkufzJkv_oOYarUMMcW4NHmEK9yrpCLx5x6MdnMtNOaaBjQORrRKAKdB7KRXu5ScGfc23hD67U7KFtUvSdva9wmHTLCasdvSVTGxx.7emull6Em8iYXQJN6.i6LSi20o0.z2CFDI33BIFu6ao_42q3CT.oIWN.wjolj4YD.uNN_SdTAcuvPIt17VoSmK1QuggtKfEjXhfkwEVxIY898VN6u_wWKgooECAbOTxiePvG8mql5sggjaH3_rRoEQGpvvnZe2WywY3oHw4M8nAVpmL9aaIjKQR4nKcFui0OmvbEc4ySRHk5iTxdzPYfIWmPQ6gtbb4rA_ueOzgVmpZKivFH8roTmvs023v9wOii0mxDLhQvY9oUrbjRubKxpssZUw8gAUnMYHI.0dIszlK2jSduPEXALrlHizYhzpLdKpLIEfKglInNoo4PVvP.06.ctN3WJLkH_RosfujyUPY.xhZX2Jpm1mQ1EtTHbVzg.Wc59uTze8Fki04ezlHB8VA9vTtGNXVkWUlOqYtoSCl0jK95GDGUYLs2FghR9fX7lN.5wT3W_qdvvMkApLwZXuqoYzG3K2n0TBLX2ep3orBnouqJOxUuce0SLXfQrz7cm0rbwotRcypjM17mpLJr1aP3ZkYvk9oAn6yn3ElKDac_QUrHp8pWOZaNMCG_P_6aDVHKgY3ZW2TGqpEE24Ljn1Xhdq6dqHo0nEhkNdJp2MfcHWIBTDKNyinAshKN6r.Y.g8JAH8LmtV1S.WaXAe1APwEm9PSROin.uq1qtq_saJ1X0YiQdDtgLxmHD2onz_DkHYN4LLdxPhMmkKDBBCubhhBBrabLoah10nglvPAKb14h5X8ZztOHDGYrmx9ZWhE0WGYLkLZ_63vEPhZQPl1Uf8VT4nSJqqmD3exoPVyQB3Gd_sf25t1AWE5E6BHroFHeYHvt15C10F.U_CLsGsXEg4CZuDeknepd31pMR1sSjZo3byvtY9i9Ok4t8KaePCgdxTAE2EJA0az9Of4ZMYes7TjX4m65FQiSqCqOokbxZX5BLtpf1IbzmBFf6pL4gmylMx5k_8tsVQvGuCKSYLZo7JY2WhAgRcm7W_UwSlGKGxMQyUYPv3El13WYWceXVSNQEAZd7PvOId3ucLeGSi0zPQSHg18nOIfrozENqxfjhrXagCYPy70yoo0NB1E.LuKKTpwWBHHZdkgOsAC_MLZhjwE2oWKJ5mN55BpLd53fL5d4RfmjzEniPuvw5ZxSi",mdrd: "GS2b1uhZfmLDgFqtN.h6eHVLlbaAULGZtTyq7xjDnSQ-1739197786-1.2.1.1-Qdpgm.yjCABQp0HDDVIk4vT1KrCza7QhSFJ5HBEaZdFAteZzqO5qjzrRhnlpyXVoACzBXNvq3Koz9pTVr4rRfEfKw0NjRi8FdMKZv4mR6XG4ZVpoucHxUk_q_fb7jkuJ7n5Qs4oeUGZABhYlgDatpYeOHe.D5IAPSuWcAACP7DgTv5j.sLdNme0IQ2H5VXQWOZ9PqhCuYNPbjlyo7HEIL.u.J.ck8lHhbRSCraKeYqr7k4Px6tcTSUz_QtKwISyk4eNVGkoZBEwTxI5mQJV3Dueh4QPH8kk0jD9w3lm4qxLKQSy4U_IWSeif3V8LWW0FzoKcPnrvjsDZAX3fuxV9K5bVDDVNP9eIp8Fr_fpVhrx2qs7Z1U9q2FInDQqHvkEx3vWSWE1Q.x_f4SGGCNREmSbCjyimJRyqLpNAwb2n38iHXFqNXMA3oVtGzLEd3AI8JRZc70qwJu7QlTTjrS.85XAev7nJJ4vqF3EYp4rEX.no7Xu7ZyVr4ofIBLyVCAyg0Q9gQJ3Vx0IvBIzvG2R0BoWrY_yh6ZQvduKn5ae8KQxiHz0D8YTYksTCwkOk_Cm6SWr1c6NXSNnagNoboyZzP1v7nqRQpVBLbO_EjDENmmNS5D0VdR0wpAX2ipQrloJR0ELgdqQwL8qBBCs4Y5weDwjffwwiKYmd_bTdVclP18QmrPg_uIlgyIdVPylHWM.TlQxHaT.Da6s7LSm1n08IWecRy9vE10.vNU2Od7Z8Lmpfp_ivb.TYbKkHq28I.cRrLEsBVdvd.Titvftrn4XI0qmSfXhYojr4OUJGU8ADjKGvq26XgjGgJZDfRqmJ6Y2UR08s89hRFxg5aGRnf3Ye5hI4mAnFBj8iPiPXFLoqcnkxrPbS2yrSNnvcNACGhiOdkTxs2xesPqJcJYyzVVQY3Io3.XBmlCO3pjdJoMEeQMnNot5ia3XUhU8YYfZ32hgazAFwBRczSYSVP2zTP4Ur76_nrydzfvoYFCiF54gdoAex95lVW95rzbFBJLBP3sG4eIIaN5KxfdGoJ4y8ohw8H42ZnA4DK7o4QaVgcGtC0uM8D.V2eI5H6PYg_BErSJivw0b4OkuCXo1f18bgD1P3v2ryb1O.KK.x_nSOwfl72pE4ylCtd_kP8FfTbG83U.arlH2Jur7qOaG2b2CqOw8.5Z7lG75UHuA6UbjCmoitJJkAmbR7IVGpudz71W202rUHsihGQ05Xw_H6GK12iBfkFSxAHB7X1u.UBIvyvWd3MD4X9i1Zma2Z9_G65EtKRBjUTDaBmZdOXw1WoSNNgTGhhlie41lAsf3rdj6lehRs1LfX38LPHehtBESfu6EHVZyPW_rnNK4jBa_bM2H1.XywI3f2h15hxrGfgKZ5Erj234wOhIcZeWsmmjHaUfyGOTyfCxs77G8EZyShK2S2VBPUZ1WxNjoEwzaQ77.owPqXNfbQ2Nj2o80xFbEQopWRwKW3gOAncP3F9BuRawpa9aepvyUYUL0iZx4kw24xi8MjtYfLmMnARJsiBQeDlK1gZMSSxJcaDV5IeYiUlkCMRzdVskVGQCDFlPIYmSLR80dKYJNXec.wcAEBtZ4GmQNXlFHJ9s0s52pDUHaFw1X1f6to9IXbwritC8QuYz40HKuTZCjnjSoHl2qT2_AyTNkTsokCYfpVczDurWekLUocyievZdFNjucmybj4VV5D5P2pxmIpKonNG4iLsLA2Y5cGhe12y_Vq2kvji8a2qOF_dlc9.p9kVcnF.60ETeLpx3zeE2WYmJ5GYwuecuWWQdbygvVr.Z1B30PqjXn4pthRGAhbXrUAlpjPGfCxEZu6T79f78Y"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fccb15e8e77fae';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\/1098674253?__cf_chl_rt_tk=TcxLuvNSThtd9e3xRRFCqtJOHv7cH0pE78efx8eZH20-1739197786-1.0.1.1-jv_YBZw8DPVBPQpK8fKRUI.PFB.IPckrG.V0YUa5gC8" + 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