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-aff6cuqj5.mit-edu.top/post/3591608274

  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-aff6cuqj5.mit-edu.top",cType: 'managed',cRay: '90f7e09039d6c9ab',cH: 'j9Qt6WkMVte09uMlzW9CPhqR5wiNFfgylVbK_1mZhm0-1739146237-1.2.1.1-Vmw8ez4LgkCLoHL791Ln8jn969nHuUwcs4aqtwaLR3SwpYjyeuzRb_RcVPcQZ66k',cUPMDTk: "\/post\/3591608274?__cf_chl_tk=C9mDVnIe0vfalZrCfjXNvSI1o5138SiCbyMNllCuNIY-1739146237-1.0.1.1-WkmcMy__j7t5NAkVLgidvnZY6bGIYVabdtGEU5m8I1s",cFPWv: 'g',cITimeS: '1739146237',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/3591608274?__cf_chl_f_tk=C9mDVnIe0vfalZrCfjXNvSI1o5138SiCbyMNllCuNIY-1739146237-1.0.1.1-WkmcMy__j7t5NAkVLgidvnZY6bGIYVabdtGEU5m8I1s",md: "L3ZZ2E6ZTHhDIq16LEnF8WDItmq.XWunfVuJlCfWs8g-1739146237-1.2.1.1-S_AawpMe_5NYrKCK.mBcMbJe6KyHkfd2ExZxCDVqF.xeen9oARJNXJqTkC2yippJd3bB1B_y7F6GoJBRz8ipKArz4EXKwvjxzItu4H53W2eUyWOIh_4VY2Fjsmqoo7Qb5IJWFVFIis7nr3DcQKQQ3kjn.yy1LTP8z4PSjCBgzBm757q8ZTU3eXhEarICRPYuPNhu.W16QMqOWwF7scanx5eSNi5lnKzAQXpvMrlP2t9q7BS57Iubu6m.M4wgsFQP8czEdY5gmXz6r6EMdgCKPBVzXHa2dT.4l0g65YKyAAENUVNSe7WYBjJxiyKSUTNOwQExlZ8x1R_rCGLxt8ZTx.Iovx1o.Gni7ppIwaNdONf32sO.7x4H4Jy0Xcp3iaTI9D94HCVmvQqq.SNFCBEiLYk5r.XvsHYb1SwyRWHABaITwmEqwng2reOaGmotwjCK5AYdphGYv3W3LtqiYzzfuiacpqDcN72Fjwpox_5LRs25QqE75.uayjKQAe62yA.B8hBOIQlrUirl6iWRjIqOu2h0WWvtMxtZUYH0XHs.F3tKJExNnzFYgmB0aUBlUp3rAv4ICPCfrpa7tPr1iBVlxc7RhvSe1o_TEglSJlCAlqwg.P13hj0v2YdK8JbeMLy3kJyJg0yE6gQB3lWPAzKJPDObO.o.1LAURPg5vJRbKUHTzHYSlPq9zbxBYNWupAY9PbeR2Cp72GUE5Q2zSfHhWouVJIkB3Wd5g0gWMSZUeNcSYwUuU4j40ULY973.A176mtm9P_LMmAIqTmfZc7ockkmePDBraOEYWC0Fo7KLoRNP7I4FS5wsELk_Epf9vKiIatpi_2SirOq.km_b.IXAW4mikJJw2MYUpgdFoPSU5qZfmxdLXr9CHTFcg_8zWI0lyRq1.T5Mk8wX00ghnEXaieUPKf72Gi0N49Qz4Hi3_eeCSsgQkGCrUa5yopZuCkRc5fCoc0D0mZe.XSeeU8p936CAa83NPBuoizkZZce6s6ka0rZRXbiDQ7SK2u01JOMZFYJ5L5Fvm5HRC4l4wW4orlNMvVpArmL1DEGvfka3WZDvL5CyuBRnfHv8b8YUSPb3VWCWB2ySUuQMFlhTRO3WZUEbaH4dUiGjoa6BWOu7RLKzzpLsu.eH5HyXNDak7pyoYhdepefesDY0wXZajHBJOmDqGq.K3FslGxWjH8YMy9Su_4xrX6OtX9wgZaDQro0.BZCtwiGXsjh2Nv1ihK4evoky69FijWnTtDFKMALhJu0bk3hPpCx2VAOSs37U54X4ZM0S8wnCuzsYfFQ4KGJODl9FAeIJgdiGj.dZK1f7Sgf6_FnRfXesWHALAC7myfv66oIFRj59O8jQvGECKDJhWvUvuvphgCByLr4r_uGxSxaZYWGX9i1YGWNaUpMrNwDd85fHax9.7GNjh.8WQmSLzs9V2XBjf2koJJT8fmr.0UJ3e8q8eMfkVCdQPR62nmpCFVA2J59OBSnkjM7RIFuR7t0xOCweIR_eLieT_ox_M1OKajlbTVd2irK5mFj_RKo0EbjZiYPiUnk0_8U0KzsPcCcJ66678QvqDY.i35Kh5l1HOMGfg.bwRjtip.rZB2l3eXIInXA5zS.XYpDeTa956saUR6TYssh_NnkKIjhPE9HB3JyY2pF6FN1XDL4lyGbAZq3jN7ykXzQ5dImC7bhw4r4BriZjjj_l01Ux1VbLqzuv7uZYxI1qNzXLxnJWa4l8URNzJjXhcREfP4vefK48HP8W_ytyn8cKwXkjfqqIxYxhRqxRtIA9dVZS.ododVtnsJp.I0kFVaBgIQSiXlfwGyy0HkGKVM4wS1A95l6IuPeZilFuxzWa3nijzAMW_WsD1Zv8fCYaAHY0GZ4Cl1DyGAV4Qe8qbcwgud2zwgyTBMB1jzi.LD8MvLbKEdjsuk3GksYCTLN3iQFZZRssW3JYoVTc4nIpwh0z5FQoeZhCQNdCXuQlML.X6Acq5_Vkb7kiUogMpinHQ2iTrKRkV3pEc90IKSQgSE1uzQVLekKTZdd7zyVEmCXfLdGXlf2MokH4fzYIprWQCZvniv2zQ1pM_kziJrMfr27vmrNXbQznnrtv3gXhDZZAOealO9DpTQbdKVCL2HzqMzXrdkmLrL827CpfgbcHFTgOywHl60yBXxCXCWMsitqCR0fVB4skt7.xdJwv2c4TmJSkuBTvjTVoqc47VjZFTF734VGQBTIRv8vLkqwNp8nP5.bWAzYOJO1T",mdrd: "Ur6vQPdtnoyuim0.3J218vn3mHguqlnJaJn5Y3TnSCk-1739146237-1.2.1.1-oXWGJrMDIT5RR.cBzIQpAqdDLlhRrIQZCmQxyWueLHaSKbUNQy15P5INM7InL9LXkfKwlECtt14W_i0WZu.8eaowjJ8DnqNsY3Q_B0WO.NNhZwjA5fMBIjkLa1UBCcSAcylNj.JgHa7ksnKEdRNPzRhSaP1cLDrhNEVAjUHkdgEIoWXK..7BmBWTLNELNwxAHR26bGfQ8bcTckgaJ6RH3.XT13ohVvTqjmsQmxCmuXfJWuIgFz0tV0I7kzslW.XA7f9AQjLKFKABpx3EUfr41QwsgxQRoO.BNmuqS8kpbgJJqumXSEcsaKswNHNnhSQuXiswPSn3kciXooccZq4E16xef.S6jz5eCLum56bVqu2Er1PRQ7klO.aSWuuf3tR8aYzjV3SMsRHp4nnmBPBX8jKXgGGxrYr3zJWM02BH4DNlDu0UcEER9wguFIUMtF5QOHKNe8T6EY.1FusHKToc2jiJiC.twDowvpkx0p5n2X0ehWsfageZNnRcqs6.siw8JrYtj6k30CUD_u_bxAmVThADgmi8AZ4H1Vea2XZl.fccdXtq3_Nf8Nt8bF57tBZZjtx4R3leC8OMKD7nc7WOy9VoDgDH65UR7Q1KaAGTtTQWKtxqHvH9QaG0Qls5WJeFn6T9Bb4JZysy92GcLEPy8.hG0j2jv7y48iXjCTjH.BEg3wdhpEVRrWFCq_jUtZqDL7UX9dRUFeg1EOXdhaCeKe2yrhLchN10vpWzlPPqbd8GLApLjzXosx2VamP669yV5A8Se8m34q3VFaJMCIYFXxSeZFo1jJA3bM8.HumFPAyoGTL4FUshQpV08Td_Cp.psQ6iAJJA9gxdfa.viLL3MPgKEDca6sJYVS12mE_AKEfe01jTe5whxSATTqxfyEtHnmjEhYhO5P_4YUGz1OCdvf.a2CJhxHyToO0OsNJkHsKhd2Ox4c9YvbtfoQLfS_TgacB_.VqxgYS0pUDupgpcYVVVuFSqYRWsVcDFN9dAY_gRe82nhpyw.UoKwdZY1c.SIuxBFJ4SjhhqvRxwvCFhPyfdtjUvdJMeVw0eiB9vSByQun_y_QBzGOFjEldw9jUaG9LHDR1mSdwogzY2hh_H7j_nFDpYSv7dQr.5p6o2VF.etJlk40liDp_AutM0iJoKrpP5ziyKLVzTWVgh6.nf.IYtokDGrFu378j_PUx1L2uxv1NF1AV0KPggoHp8XnjM7flnXDuxPTNRUPTDe3L91_qC0UCvF4j8bMNWbhg2I3nVHEHzHd_jR47cREg5VlQle600EFz1RG9iEKHj6ejejb.FrcvY_wTX19nERZwJ5T66b5iXcPGSaRWR.cidbPV.eDYpO1iYCA8gLyjSgbGFzQw8qMHL4uBOzMCAqpKJb5nZOOYawDL5QRz6Y0corna8ZYd4_NvInH57htHBttoWI4yBhu_3hzEmAa3DH1pBJfDyY3XzRKdCcY4Q7RM5KsYzD_0Jw76gs9z9ylyJBzbYscxhWhJ6NAWpENkFGXWmBfkFuXrqlEhy6IlNBsQWEAlwjxoLFb_abpV7q2YahjKTmbN7wBHqaLNcrBzK19Sos3fSRUUiP84PTE82.aLc2UnNqpQ8tRgqDEArTdPD3HASLU2HtP6CQNQMlQa7_P91mJBsQobdqbnzCLfrk._lmXEqCZs3P_9pgPRz0gReH1Z5v7SBVVBvdIj4vil8e7DI4BsrkLxgZaowoXvN3k9AULPNrKa2GQTlgkgBayhCv3t1nYdxB5JXbNRAcpCbTNXEslig5ilR97VHG3eULRQU4QgK4ExfHsSKK24fatxiHwEkRw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7e09039d6c9ab';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\/3591608274?__cf_chl_rt_tk=C9mDVnIe0vfalZrCfjXNvSI1o5138SiCbyMNllCuNIY-1739146237-1.0.1.1-WkmcMy__j7t5NAkVLgidvnZY6bGIYVabdtGEU5m8I1s" + 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