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-affxqnn6a.mit-edu.top/post/9431026857

  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-affxqnn6a.mit-edu.top",cType: 'managed',cRay: '90f80fd03fb4d704',cH: 'EfVVyXiWRfsKYi8eGckEEU.F0DGtbAQ.29hEiHywFI4-1739148172-1.2.1.1-WwuEw3OFg7b8roziV5adj595693JBQ6ZM3YiLxDbdXKs7OJ1p_.AQ5XnnhWLAvwV',cUPMDTk: "\/post\/9431026857?__cf_chl_tk=8swBEsK5kKlh2yfN1K7kb9_R1XV9ms_Mm_EB2viW_3s-1739148172-1.0.1.1-UDMgnwAQ6a..uVqcb7RbtdwHdijpH7hL58Ay2CAxtXc",cFPWv: 'g',cITimeS: '1739148172',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9431026857?__cf_chl_f_tk=8swBEsK5kKlh2yfN1K7kb9_R1XV9ms_Mm_EB2viW_3s-1739148172-1.0.1.1-UDMgnwAQ6a..uVqcb7RbtdwHdijpH7hL58Ay2CAxtXc",md: "Qwy8se_09M7T9JAA4sJOJBB7gkshVhEgOvGmiO8GD40-1739148172-1.2.1.1-g9zvsQe4fu6L6KNOyGYR9AfTh5DQhY9xGba3UDb5BKthZm._NE.DRnoxTOCRh0vJ5wOsiMvOU8d8H7ZgG.Lvsx_G1sU1s62zbyxxO2a0AK0e8_mDKa037x6atw9Kk3a2zdifVZMN7IollYYhIHxNutnBBnMiXyPZxn1RdCEcbvQoP.AJbDkRkpRQfOSdonaPIx7C50f1fFgISbxwkyO1.l2.cG20TOMuq9c71dj9rVpZlr3XRZkVFtOosAaoT78pkB1.hFZIIa4M5.MfoYxgNJGhuXMiKscGxcOOcmSgMUrKWsyBLf7ZMoL91WemTp9kggyBLyKW0zqMIfcBHbPew2EK4m2Rk3QrauX54X5c2M55hwt4XRR0ciGK9d3ARYu5p94UwHjABspYL_2J39plKHDaaIg9Z.KHfXU7jEo2vfi9oN2qXazCdAhEFGTle73WJY8m7C2fC091lLOMw754fQMHmxXouNNu0ix4a9tepITJtE8oUjpw4J6oYzWESonzCaInyM36ZptvZlxtFLizXdxfw96U3iJiXaBkhBYnG05NI7BK.QX_WjphroDukmo9F43aeatOPPEVnTX_q8K_JQTUMjzHpNlrK9hCu8znZgnBBV.YeB.tzrRhOIQxn05_CexMuqZNIhc2dJuBWUnWnn578ASka066KrS1_WvCUNgMCKQ0XcLscSFhSoT9dMpJBQjdHTzoXFfcj9DpNkXJdQQF9ZZtSgdBArZ61ajCFcoZGeRPIclJxUIEme5OwYfZKcMfiJ2y7iBEYOc4bTDQ_IF3DRBnM1_L0Vk_VtKfFCHVU9.7KSsATEiAKRWA9xsJnFaXaRsAVXYhr8cQ89RQHVmOzLuHK.shJcmbzGDtBs3PWr1tdPQC0CV07zpNZzRhRIJuE8_KkovRdwhe01hav3hsXsYeoj2z0krim0uHE_mwtEoc1pEzrzKhCmjrFikxmR0Id7WfzLFKrJmG62X6nfzrVBf9mYeipIvOBdqZw2GpdkuUzG72.dtl9ESpWMQ3guwxBsB2UnPcXZL.tu7rJ2_fEqFWypJooDBpSyzKaWUHgqaidM8d36X4XCFEXbgVgPwwa1ToEamQq7cgekuptrxVKUX8GCktRXaiqFx3ooviwRDAbQZcHca34N_SUihrm1dZzfb9aaFhJjodlB6VfHzryj1TQ6aWcVCZgpHC1hq.rdg2b0pf3OrLGhB5hg731j.iCzdIlYS6DfolzIuU5jHKQrpLNoD.Mesm_HObnDo3zx9Ut9FOSD28S6xIiS5lL1pRX4bEafwt6t6PWEEg4wpgBaGXUGIPh6U6qPpd4_3B.F9xYtutxzSx2edRQXFbbHRqefdF3w3YSEhIkrO0Ov8ICvyayQCZI7D_O182AjYwBUE3JW1R5qZZBf7KAXKfCAK0BPKi.TPeUraK4tRmLkK_WygUl57_0xqVocFfigPfFVaQUn.opeaTmLUU0OlMTd7rupBq6drfQsP4OmZHAj44Ts1jgo2umu1ZMfXOplBSEUnDS2iDDWA6Hr2NrskBXLcqYoTYICIqjIhEEtMAWU_Ivk82mRPJE47x9IIyw4YjPcUeE3zgqt5.b1ZdNaCdCVHvqa_81_zkRIX7p.7zFifSwfzteu6oNyBFPMBuhpRtwjzHGHKOhNTmxWfZb1CIWkQwk99bhanLDS.jLHHxB8F4eqixD.EilkHD2eglEVpVWFaPyeeF5wDA47J98e8rVS5omzVn7OVSO0jSxK5axg8fsNiT05C6yUQX8.zG9UoqaWa1i6F8TZyhjflaZM6xeudtUtHiacRSdhpN_BzzlO6TyAs7ZmSKTZErVX1wIr73VCs2ANMTJyp4nM4khHD9kiTV9YzH__KN.V4wDgdnoFYwdQtHAGAGIkeFJ1Sz3F8icZCkE0D4whcmWg8Z0i.NComQpPTjZdVQqnGtYU7G706IPUMz6VTCTUp1c6LSZ9E6Vmy99IWASu7pHMDeybiymg_PicoCRTXOB8nvSfgYk_NJ5xWJinvYS2M9NSKLuH_67RImL1zw4HsC6VS85jQHZt95jx8iol.Y5_RbaP24scdQieJl6Jz4JKeVS6r_ggccoCKz2JcFCWEBSKj2qm7HxWFAAnpDkQSx44WCXpz3Usl3MBbXj69WZLiXdqYFpD734JKCpf5_upJpDI.9V1CegIqSBZC7.eCpkkJ_nRxLO2d9SlpC1Tks6I5_NjAQ8rEbL6p0T6k5Zcp5dG2iQXAa",mdrd: "cWF6xzi5cryCG4nSwi0Rnmha_d0xM3M5UZOmBB7r5oA-1739148172-1.2.1.1-TQsvwSv4mSc2axUSByxyN.POPHjlx71nmYLYq_DNHPyiSTsGGLo87fsZT1Ap_SK0N8_SE_p0l2bnHzcQXn4JKBkWiWTNn9V5HicMXCBvJg6ls3_ujlhoAf6F62vyeXHc8wvNOhS.DyryJXOyqlTjdDyImTEOQslx9pFLjwJ1rdicJG2QgXLXDiRumC5vwbqgbeOqfpvxCfRSRA5dETql_3Psl5bpjukr5EtotB3ewOBgjZjNhSKOHLn9rm93gonQqjbaIsNymDI058.kmYsmWxmaUJhNOassNmF8PdMLu3.Ey24_x_DMt7LSF.qymY8ldW5C_qzxIq1BXGFzlFGQybIbtUlWDsk9JbRbJc0tpT.Ek5q8TSAnt_76xl.bZkMRWTm9Z_akkvAK99YIm0HyszNzflae1W_btD3uldn35drPogv1B2r8WxLM06fJqqssMMNlsokKjChH7H6C2Wfys5_EF8Yxa.f.l4oibGx0hxHex5A3iq9ok.P3AUfRWfRdVe3ES_bHPhl8Zby0Xpwk5PmxtXMCEd1GdfsfqzLZCLvGRTi4zJE9mbofl7CLtrfaPz_G5rJKH9qv8P_ObzqiIMAWv9mq0zCNbyhIDwOK0rcPkw3WGsEbxO30H0M77Hg1yh3uERm_7sh_b9BzyKEqxgKawtLe0hm42g8sb9YI_TEVoWP0G4IggC2M.kbRz2xXyeePg94_yAa5ssYqtsu.d8A1EM71S7egBVnYYv1qXi8ezvJzCWai15xRi_HDwcDcdRtjXvbI1QnSJGNBl98Ro88wx5FrxL8g67c40LtdWLSQblC8ExcZH7ZMsYMgCCaHSou7L4bIypwsvQXC52Aq_ct3XDVCT9SY8uFXmmpDwVK_4NKFSgQaBWiB_cO.BcaImTeUpqB9xmBIbfk5R9aVYZ_a1qkUQ.JOL.hfOTpAANbDuIOnCa4N8fe27hMhAV07W3HvgsEon13EjuwC.hxKw6ylBKo1A.oEizISwKlwtJElCKZHdEy3tMQhjoNDFQaxVpxH3BmtH.FfpVkYbym3Y5B3IYJE8IFsD_6FhmBgHuQEbkOT5BhOSr.gImjHp5OGxbZLfPPD75ipF6xi6lYhlMn7xYPIg2o7z35WrNEW_GHdAxGIpNchOq1vXSPcjq.89mdBp54uJL9igQqHCC37uFQUTOU9bcK9Tds3OAqMpNLP1m5c14fljLO_GoYbyTS52GrxXY91WGsne1EpvhP7hWlKXWRsYmKAGMhBFgxxXuI2v9lAyzD6H72uijhiJNjL0pInQg5yGBqj1LKcl7.GIka4JMdQuPVEg4xTL7BNXHyfeIA2LsggsElbg6chs33hZnBfG7KS6jLODRag6UvmpuGBY6rDok24vAkyxaI9_vdrwt6wPn.lbBiRMyAhlLeC3oYAUkogya56hZU29VgqGLzFJNScy86qPdkuqENKlEFCesL7_omNSXEqu5iPXsCZT.JLnXkYcc7L6543e6fUAXxRll0qXnr7suEmRg7B01QbfuNLTNO4dzhD3h_c_OP.xHMhflLwOsigTAyoBqln7IACp6yu_OB3iX5RRlnHJuMwK5yq1fIYCWCc.toeSxHe4VHjv5y2lH3rSr9E.NTIy17OzqTwrW5AZyqc.XPUG0vFta6r6750M7A2A6z5d_zwVxwuUGbEq2zssVgRBgi_SVdNlnY476gqRxCdQcUFpgyFZAxDPq1JTC5hGdw5jIu9VfuksulkjWLPWVXDNr9zbmvetZzzPefMpswF.dfisRRq7UctMt2XwUO8bAxamZLkaMMpRHCmGhw0aBnBI0mcREgL_6SH58XVk5fyCwN6jY4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f80fd03fb4d704';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\/9431026857?__cf_chl_rt_tk=8swBEsK5kKlh2yfN1K7kb9_R1XV9ms_Mm_EB2viW_3s-1739148172-1.0.1.1-UDMgnwAQ6a..uVqcb7RbtdwHdijpH7hL58Ay2CAxtXc" + 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