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-251214433017.mit-edu.top/post/1205786349

  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-251214433017.mit-edu.top",cType: 'managed',cRay: '90f2d1a83f4a1775',cH: 'VCIx0nuuuOYGLSiJbe0vb28Ux7E9o4NMWKMtTzk3aik-1739093198-1.2.1.1-Zkg9cwUtoiQUNdYfHIPL4i0rT38jKL5G7H6FFtB1UAkJRaNwfwuQ4_xBi5gIyy5H',cUPMDTk: "\/post\/1205786349?__cf_chl_tk=LTYseySdt7ESw3mSyEztqMDKIZNseiSNnjE21XW_Tv0-1739093198-1.0.1.1-lZaAuSJvFoKyBoGILMKrZZYZ27qN8odeuU0hvxDWijw",cFPWv: 'g',cITimeS: '1739093198',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1205786349?__cf_chl_f_tk=LTYseySdt7ESw3mSyEztqMDKIZNseiSNnjE21XW_Tv0-1739093198-1.0.1.1-lZaAuSJvFoKyBoGILMKrZZYZ27qN8odeuU0hvxDWijw",md: "sxXT8QaJRhnj3z8AewktLyGFVmvt0T2kcRZ71YWMuNo-1739093198-1.2.1.1-nDmD8lnp2G6PNIEuA6z_o7h80BCM3JjKhO_0YDF_D8ztUF.N3h5jfZl.OxEfefMKl99Hr2f.VwkznqYELmKxnmaAonHRSQo6CYXfmUSfRBEH.brgFWYUbc6MvwH5ncdnGPnAPe48_t9HKjY7r0FVrmB0AJMR8blvuz4y2udTn2vfC0rWcS7icT59Av8JQ.WkZsshalTMrmquUh030Pi0JLtZ.L58tyZjWgyajVRZB1cskTEOHiM0zC9kBatJ35LXZOILp8DUNppQTejhHYjnVEmV3fuWiHFK60Y7mA7nV1rz9RK5kvFUxz06rmQ2rYqdgV8ALVzi8NysifUH2PO2yNt9TlRHHPtN_rMkjLe3s8uqLNTNUCT4yfZ92id_I4_6ic4wk2UuWrZLku.qyi_z6CKzvmW029Ch8FOzsQ0zl04a02ijwOIOs6.3GFEmYEm8gxMLzChN7x3ALjdWHUTLOJ4aQ0JIbHex6pX3Xs63LHMN51w71G2PWJXnnetKi9dKvqXoL9zBvi6QHxQ6mfwR9fGBJGf13fefoIfh4_iyQnK.pwuQrkdnJqatYHJ.ChefquHbK1LXBheFiHNIF1wltO_LdKzu9fZWkWkuDuss62buVPgAThbgZZKZHec1glWM9Wh.D835BN..itnKVCD3hR6PmX8G2e4yEdoRnxr60Ri6Mm0n2ec5Rr0BsUwyU2aKM8rlpeR8Xx4qQjCqpEf7Oj7Fw9qZdMI_aXREv4B0KmML7GgLCNwz_kjmxQyA.eLlC1IguxmNPO_OOEYj0MUOozJWTPVQPhzU6wwUxgK2CfJRLeKjA_gCq9n6hX88RBGiGhPNN4ap5_KssU6XFXpfuEJVYbmLJxduAM_1i1F3mr6rxGem02pvOmIfvlBbp3bB9YklsMXWv3_nNq6.QFi0dnIf5AvJZa1l2B.xQxrT17X15BkYRX2gyZQrX5ekbTYNUWm5iCMRzo8hV1qdEi80NqpOl4.2UA.Y3FC1f7j5nVeF0G6ANaGAMjdvWzIVGbfUBQhuL5tDO2Cje553fX_lp9P0g3PPGTewX0TczHKqFh7p9ayYjxYUH.lFDjqSA68NsTsACpgwYFbP5fwlEMs3_6BIAeu3t0rVTSl.4nFIuPTVeJJcnSr4TNoznXZNWXXwtO1BpKkge9x.WY.1GA9Vm1KdBvDkQx5y7mQ_p_9Ol2BEPgK58wqkkIvp3cjRy2i2Pqmay8H.CJ6uixnXhj3CVep_K.SU6PJTZcjAe7E7PaM7idyVwC2JNNggZw.JE075OQO9.7rIGkkMSoDTDfR..nnpYCvWCQ5ua.D1uS9hd1CTAsINjhWIg_aBkgK5oq_vTnACCO_Wyas10e2vmF59TXk_R3FS04MQeAWK9Ow3GnC2LI0QjqCSJsdA9eymEpDFMGNUS7gXI4gIem1a5ltuy.DezU9hVR3Jktx68rrEai24ObPt1mrPfxqR5UXfLwPAMB3mr5sHKthMnGwQfAQ59Mats5IVFsagIo.AOcb76QhH_vVDQOVX2Ci38hNtQNZSOvdPBpoRmp61xcaSYdd.VVpv9kgcTnNQB2Ta9RTGMmF_vGfJfitOl8UQ.9D3ia0ToQuZE1J3Y1phF0BnBCM.b4jZ4OVi9f09ckswRDDUPKfTENxKT9C7jP.sfzht0cprR1GXW1a4UWnzTv.DWLCqQMOHJMnofAYX7xIa7PzN.uzVXROW9koxYlOX58.QLjtNHUEwOAgr1_bsEuVU6jG9NAgmt.M9AGB83UiAaYKOQUt7vpEwawx_Q1KN7ZUQxmu_yoF7mR31aFZSVW62hYdQfU40euuIwGh2kJsiu_U_AIjddkpZfQ7cjzAZXPxQc2jqt6BDuL6ws.r7FbmFBUTcJjyIRrdTPcEvJTvrIsALbewHbWE0z1ttX6_IzQB7KvOryHcKm92eVJm4oazjPetb.byJy9lLeCUYqussNqqnTo4KMFkghGJ1SLOwwmTIXXD14sshbS2nJ6p6hpc6cjQZh.GhMxXzBWMtvZ3HnJUX38BNxSbEE9gXkKe.B2jI0vULX5PZdJMg17ovdbR.UOnlWR1iZ8LYzRT0spkrbKeHHX15XBNar9wVPfnLYcv7n7tz2It1WyZf3xsZv4osOihq_WHfBfvv9rulpjsuIpmSWkTNK1Zi7C9SpLD0XE6Aeh_0fm8OWVyoDeRucN4hvKnXwM.PuPUKGHYk6bWY7yvq8tPHQIHjvoSXytng6kkkmZdw",mdrd: "EHgdU1AuY9NNB0mL8eMR5CkEbMM.KBMmtoKLkJInDHA-1739093198-1.2.1.1-kpaQGtthxwsJ_7EKxCVzX4I75zSIReyE_cGj9.olnbqoiuxhyfv0oUuod.eF0G9ScypVkgzNaaUUvbQ_lpI122DfOunKNPr.jHjzAV3vi4gHZml72jQHA3qbaixf9HPac7LrAh2wH8Vo5HSAxV6VP83KC2_li4jYUxQmn82ythuI8fDRh2V7TCfgwNNTFyFogVsBxaL4JbNzyA.8GQ7qTI3oml7xtjPwPr4PBh_pfOX6684nht2AnNnsk44P2ykX7iBRZXFOetAklNZ1dn_i3JkD4i2S7_5plyyu_nLnypkRWqOzG3xe4Xyg6.X6xwWHmNVraLNAnUvFw30EhjBSKuBIsIqwbXj4rpnrRVvAZngOc2vgaGfWaN9RnjkFlMsNGSf2Kwvyl1kDMA3g3hvsE9IIY_wlIyxr7a1Um9lyGYPIX9WdUYyfp8OIMpH4.0HX4TMfdXp6ivb1JK_AEcf25MRZIFJ9CT8fNcUq.VxsSlfMtGeKRpeB3ztp7OCW48VvWoqG2EoIItu11pKoIm5pNxvlbbFd3ffAUioSRF.rRovZGG2ElU8DWRMt_ywgSh_.4fm14QCYMSbu.jdVo2P7uCah0vueG0YzV8YA9N_qqa9ySa2IRgC9gq1HtSUMKEZJp3eigmZrN8QMxZWBQ7YA0XjF4j2.jk53T_hahcQedi5PNfnANyZiCIbwwiXwmlyGYpLzi1dFiUxLmQcmGjRE1UAmJ60lvwZVrwHqnbB8hl_.I1spMu2k4lPacbbFIAgY4T_qtvT2K1Wa5ETilJqm7nhs9R5K_2mCknZQnWCBaS8VaqsfdRWKIYe6D9tmLgntWj3er2qYW6lAztWm_Mhk.1odAg0Wh_76XiK_mN2TJMYSYhiZsGqbYY6P3o25xrIcOCs6dSLLnajhY92zSgn2vBcjCn_vitNRet0hLS8nZtmMWsWsaJUSLQu_dWUBLfbSVWdiFhBicovFXWa66HZ9DVpcEe5kifWpGpqLcTtKGY.Ey.R2ZiCTJ.g7dIrxnFZKhPrfDPHZqQzMKZ06HYjo8.bisWgiNBs29vo7ysl29.p4_ChpduLhtpfBqn8U7IiiogV36SBxkLCUndbJO_Hs4o3uwsht5FrGWd.HJm5ElcvE.hqylpsHR01GTNcC3OFcL.fZ17d41rZLJ5fTgXnq9eq6LDdjPDkNWHwnKG0H7c3Dmxs2klSOz7VLthj5Vg9.ltkHy5u8PoLLEUoqKfiJ6H0wje_GKjXyj4UjJEd0loUNhIryLnCnT6roaInPS_FbHfknJtYHm8Oq4wenXrh0gZEZlc69oZddJvSnYYq23UMsvWcEEtWsKxfCdX4gQyHdUL2vNw9Q8SSOYgN_WUstMiYzjpYY0Dmr_ydUDWyP8S9KJTLHWqphdF_.9eSmDayg1_.SUakaEBaqjmvRMCC7Q94kXGs7aqT2dBL9lEc4zC3d0XFKZgScqdFQENhrsPnFqbIgXB9X3gm.pZPkwihiajzPO0lH1taneLwBtYATO98zsJzfbjv9c79QhiC79lQjJqbsSfLpgUKyFzmnUh1ivScFrWrFSMBQ2PfY5hdtu.D8tdPmzWl2uUxf93ZW1tkXafJXMUZGcTvNpaVTph7xIuGglIDnmSjAzWyiHwTFtYSEJVQr38gc2uQpsxEU.7IjefEd4lM.x0vZEK7E9rRJms7GZvprd_ybJj.YmlLv3QFnhjW2sm7O3aJg1ywXVJHPtaTfhu_t35E8FbteT9t1xwmX32NMYvVKxapUaBuiQ9CWykcqS4w2S_Lqa.vvPTBxUH_9XjdGC1PmZvAYvceyFg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f2d1a83f4a1775';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\/1205786349?__cf_chl_rt_tk=LTYseySdt7ESw3mSyEztqMDKIZNseiSNnjE21XW_Tv0-1739093198-1.0.1.1-lZaAuSJvFoKyBoGILMKrZZYZ27qN8odeuU0hvxDWijw" + 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