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-479440543898.mit-edu.top/post/6485137902

  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-479440543898.mit-edu.top",cType: 'managed',cRay: '910aa707ade49c31',cH: 'aZYUvWoS5jiWlmNXYl.SyqCb28VL4yr6Vz3iODO02vY-1739343110-1.2.1.1-0M1nv8OSlrhHvxIzd6m0aun3ZOC.WSzXEF6OjNDn8cgfs0SxlzquI4NQIbl34Aqz',cUPMDTk: "\/post\/6485137902?__cf_chl_tk=WSHWCSDnATglsJrWMQPNi2IX_tWLNFTHPkmrVLTL2Cw-1739343110-1.0.1.1-zOeJD0xngUnymZeTBNlIyxUp.PrG3XfVEGqJWdY6yJA",cFPWv: 'g',cITimeS: '1739343110',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6485137902?__cf_chl_f_tk=WSHWCSDnATglsJrWMQPNi2IX_tWLNFTHPkmrVLTL2Cw-1739343110-1.0.1.1-zOeJD0xngUnymZeTBNlIyxUp.PrG3XfVEGqJWdY6yJA",md: "ldw4izBllwgmMbpkzEiQp7P.xgQLrwQfmhGyoQRxK9I-1739343110-1.2.1.1-MpACRBk1wK5FhKal64EDMOesThmvHRQPSXoDEI9k4i33DZnnCRbVUgp.pa05TouEKDDTXpsu6vIqHyYWUV3RezqaHDbscGFpD_XOk5Uozoed70CFBb31Rc.8wbiQyA_W1dE4.9yz9seGFmIVoOevFLaaqz5Gf9lCnwgmJuwrY1a8nRISDRbbYm.uuLx.to4ggYcEd2tUQ12lVbWXDavxguJx5os.IfTeqW9BXTAfu_osZHT9IE_2xalvhkX19gJID2VTWr1F9Om_h4_Dxql8ZuXauXVUAifgBuvKrSPrpNMQyUlt61jXsU0VsjK6r7zuAMs_kLulMlTMo9PKbZrIGmqGMc87aEZoLnlOiuZiYaWkffzyjRVOMDCdOwYXcfM1s9MhJMWvZdTvg76Lna_r735L8sUJmLuVdJnSN.lDh0ZwGrM1lHK8CqadgflGN5dBPYBj44bNVan7GBkJi6cmLomE_cG4OKp0Idqk1USDDKQS.kDtS6i.rVkZPbzYf.GrJDFhBprSdnjTPucfuQpy1rUif6xxBWisZ8YVAL.PM2zD67ncfIJFqVapdFGjYmHxQgpQ.QpP1A2pvhF4w_bdjMQMATpqeQAgL65c9zjVPpVr2lb3.3rkvo3i8S4iRu2ebnK_iiNCjTquRzDIEi9Mg89b59SqVPpC5W424q7mq2Gg_GQjpJy43aMbtgxNzaSffdtvEOY0z6oelL8RbjhA2bZjzAZxdyfW2fhS27ISU3ajkeltlKtxaVeLttn.sZFGQAznvkhqnHlYoJX_I9FMzAlnB9AbQY0tsozRKU4mjMtDhhpbsTDnitVzYMfifzpYV_ynctf_SVPLVZK1UWCIXY1shzGMj18qUqvOuRpOLnOH7uEKeYAlcSmqvsUQdEGjxj2wcu5x1auztcp7DL0Go8HGRhELc.cwPWlXcbsMBittJPQ9R9T4iFfwmDwec7W3lB6UIIhX0T_6OM6J9docBS0mj4c_c59z..A0yS.3J0Y2JcuHTWkEq5ucs.Cpm_bfwY2eW5nCGWu467lBv1rQBIX7ldhxkQrcgp8Sw9XTPAqgX7jyPnmtjwuDkxdKhHHyyoZLSw_vmrt7MMiENGXs8m2YL_qSJUHdWGjh4a5zODnPUExMWvFR3mDxmFCIn_QdCZ.mI4SFXGbRyqORwGtgPy_FgD7el9yzkupaG2SQ2uUJhcFEYCaOzVPKarrdaYQXIzvwGruExj6HeaIKABPQmRxVeowbGjCUSKUy3nz5iGw8r25UDv5SoEF4sIIE6IxBDlJ04NThQx2a_6iAD0V2fHJcjf8X_JMb9.CtqiY9tlmN_Gt1G.xaj59vbqneKUXH1UKlhxDGY2VjY4U6mRsJkAuy9C11PO4fVl._YYpNufdWKlS11qYKbeY09lRHXSnt5JX4kiFccIKIOWDuLlxqVxhuJv8ZrU3sPvV.74_Uot1Qopsf.LFztPhlPC4HIellLLfxvfV4sH2kFlPVv2THBEx2a0GONjOXSQ1B2oIM76b5hjr3aI3_XmE0lrplNUqLmphWBK5OQnJ8_LPFrJiugxRm52gERQ8d16mWx.y0Vw.W9Hu6KBBYODOHarvyqyc4dsey12gBHgAJdRbzBBb6sZDka8vEeeiyEaCsbQ4WGHcZyauiB1nZa9el_SibZRwl9tZ_fGZlz0AgzkKkOMFC5SB0scX6PV25FNRC8be4xaS9xKLLotAQvLH.WT_NHh6a6TY6nyXYkfBX.wl2hhybvgQHi5IR4I96N.TT976uqjGkT57Qa8N_NXwfWrIAuwvZXklnRHzxpIXFrWcUCtKif4VnKCtBWHZnXWu4JxkraLD1YukmP5gfrv8aD7OHaiYezDPLxS6nfiKFaXba0A_t6f8K2Ihc8YghC4RnoKXFlbQa5MlL3CsXbZl1jZYL2kU4CwJ2QGUDMGWVIpnl2slvQ6oWV51YOmecl7vxZmrcgnDJ4sQx0RMPjzw0yzGZxpDSmjS8agLyZdYrHFaDgI63hhZqOJT4WWvqO5X_7RCHL9uSUbhqk.Ui3OoE52dGywDEukzLsNirxfaWwboIli.3iAwajX5k6PnfzMQjJt3b0EKF26VQKi6DO.gC2zkUitmS75uxb_AoZv6pry6__5nS.FFg_8.cPySw5OZdVHAQi185SB3oopQLTjkFo4kc4dbEoPevcWEzBubfItwik5JD_WSMk47xlTCNja7GLuHlmy3z9kBAR8tPMCR._gGHRfbv",mdrd: "Mkw0Udlg5LBaa3P4ZryYiyz6q2vilGwzrpxyitRCKeA-1739343110-1.2.1.1-KWOFvCEdGBH_49_zjFOdSHLKljzCNkdIGGeZdpPcs182q.OlJPCcTws6_hJxHrW1zKcifPet4e_eLdawy61LP1HmCWo1DV8GJMvcLSFoWjjmrJ7EuYJZJgI3fT6vpsShR0445bIUogykzPVYMEzR9Xvv0vBZw6e10be8.z0x9jAIzMu6hwHeSvJqYmJPIssELpalTe7jvNbTc_dcGQDyGN7rFHeXI9akXSagTzVJ8YrGBXPj4LcDh1ipiLAn08Lk1S.liKCw2Yagu8Fj1_tCK9A3IkQEcWRh_DzoNtyH8sJLM5ItmT_v8dtbq41_kvkJciv.TPgB91vQ_Av2vXUOWqH1kK0417G38RG4LblZmx5m4cN0ln8LM..ZM18KZwX.3x3HYIVgsbSSczPKLrfrMUQ046BSgx5gFXtfpMmW0XjCRN.UsbMhoXy7UcaeVIq8WWPSpqzJt81Ns6Pl8j097vKP6XPaRl2Ani3zfZHN3oy_P2k62xVpKKaUKG.RlKTI8dUWw3jjgUWM0qxFqNf53cXAOL.vNuqq6GkPxXIIZ_kDxSeInEEncNOVlsSCbAzqlaIIgVHixRkyV3d1y2O7gY6xeucmt_i1ki1sGPct6X7RiAgUyM2XpXcb0BXc9.vCDFnoPtZNsUGkNJcuAlanGv727nwFD6gNcClx7CkDu_l4rlycH0lO_LR5jHGoXr1PVqhlxLulY5Xd45cUtu3WymOL_jZNv3u5_qEVlgb9taNKWYsDdcHjAUEn5dMySNS2YA_qfNNCIBPfjq6_9AudXBzGAmPVFD7QbOyrL_48LtjawocsyY15.1ZL3ADrLfI.a.tVIGEEJUYSyWQ_.BQsHOikT7M1mHojXTDm1d9tyY8DXsabsNVfeTzOx7yru5a3kbVa7pax0POs_DZCwYvqonfK_tvENctSIcip3wK652b6.dfDLuCac7rQwSIhEEjs_3vEUhm6cDdhHkQWmpJRU2Gq9lXz3LBcHC9eVdyel4kkDYBiTLQDbuUsSeZ9iv0uk0.Z.1rGe4nGyKC1bGrvsYkAGQjD8ZvjnzbJdNFgs0tZdha6CRgQyxFerlRrkRPgjpggxcEvnnWV2.UMT0RduD_jKRdz5kYAylp.2.AxJm.OZnkn8sm1uq3sNzxs8I_M3ye3YKeC_rDahAHI7xrure4pDQ_Gy_ZzmZUgvMXcNZ0xx0IIfa7jZ7Yf1.ANcwLnXsfGx2W1EU6yHF9FzlVjolLryFrqyPlJ4PS1usewiwOOXEaIR7YU4qpPs8swxEzddKZtSpNB1XUFzJMlQQ8Bg41dHnKdkGk9RmoPfjc6NQtD.ZwAj4usNJJGgIZ04GOa55s06w6gs4_72551CqshSD85BIm6yHmd48v93HA4ATWhq0X0wOImErb9jWv2OtrILzzk7pZnFaMHuhgH1R.kpkV5BAzPD5371oE7V7tC5gJdXDizC6Ef4aPozPgsA3xlo5TbuSWsmdFTig1yUKzMzlqtXwMoAlzy7_uBVdvXxGjpZ0mS54eL84HyCskrwOivjk8ZDvyOyySRfL4qdS_ibRi9VQWOCSGPB21EC7jHjwGJGCdD4yZ_J9k.hnIr7QYA8qPZTxZEdEMgtbSWBJrB2K1tEdlXu3CRL09jpt83Qtbo3H9iM_DV245vJ030LSjTxakXYHpgPhPJxgn_T1GMkXtMb7Diy_jOC0f1GIaHnXDnori_wKsVlBfeFR56nJ91ihjvTRHCKwTxJSPFpS8LLbQ3lyyS0qbMMHqIcVX0.Hz9dsYlWfmAHYbO8SlzJSyke8qNvSyUrYJ0XElQGNlHatDnhvLN.pxxqkgr3Z.gglw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910aa707ade49c31';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\/6485137902?__cf_chl_rt_tk=WSHWCSDnATglsJrWMQPNi2IX_tWLNFTHPkmrVLTL2Cw-1739343110-1.0.1.1-zOeJD0xngUnymZeTBNlIyxUp.PrG3XfVEGqJWdY6yJA" + 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