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-531798130683.mit-edu.top/post/4259680137

  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-531798130683.mit-edu.top",cType: 'managed',cRay: '90f3b2835fd23886',cH: 'T._q3y0uOWM3w_BuIggLleTIFRjrqhiMwdA2QWNuyGk-1739102408-1.2.1.1-hSc01B9S8jXutYeRfuPx5guroubeCM2u46lalay6RXhSVpFurbk9dAj84r9S9CX_',cUPMDTk: "\/post\/4259680137?__cf_chl_tk=h0kAtX_erpNTlzNSJ08RygAy3aJn5yE57Ra.mXYCDBw-1739102408-1.0.1.1-kch4luEtm.C4C8ZUrB9g.Wmze9a9DjXQ398DzzZVxDs",cFPWv: 'g',cITimeS: '1739102408',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4259680137?__cf_chl_f_tk=h0kAtX_erpNTlzNSJ08RygAy3aJn5yE57Ra.mXYCDBw-1739102408-1.0.1.1-kch4luEtm.C4C8ZUrB9g.Wmze9a9DjXQ398DzzZVxDs",md: "isMuWj2zHd9egGLzh0kLqD2BtkARsH8wHzsSgkmlNbY-1739102408-1.2.1.1-hP77LuA7_evlXnE34zaNjKzZdYqHNebEG5c4BZhJvb8xg5ZrGeQrO54epSbPrLuqxYn8BVWZYsMXagLXQcGkr92ZbpLQJWa2P.gLBU8rFWEdJ77rrscQwlgN8LqqNz7SY.g8CQ3ga6rwpaJYo0rU8x1CSB9.yHdvu_B8O1.LQoodOLpbg0yckMhnuAYtA_h9sOJTq2h_dZj0SNOYa3lREFgBlZGixMTzDPEXX1eJogv2.tIRA27fF.nDr8ZXnHTDMLSJTVqGMFUG5SBbBIe85q9.6KLnNSLWRGonmQtnn5DqoqCGm8ttfZaKR65dWOhDduJWblU_BmLvM7sG3FNg6Zso5jgup.4x.2dVmDgH3Po2Evx7SgDJcP1qyKWMB_Tvwq_8h5ayias3SF3HphLQ3sFnf8p.PDMat5IpKLivLlqM8aEkhR0ZE9L.tmW4AJtcNBLCuLS1xJtxifU4YqDKGRGi4a35CaYYxlNJHeUhla28NI5RDWBZPR_yU75enkg8sFTGvyU2j9H3hFxocAEeShvxfdPciPCahRNeq2HaLP08FkH3UoylrbOJKWIIA_jUU8Ef5NInr4EEr3_ngMsh1YYte1aHCDFYUnuzYHAZRAxtEbH4jygHVrdWXMXoW.LKHTSn28GJ1kTWIIjxyeJ38RHoOTLh4JKC8u1ncFK_B4ev8Y92Dh9dKbFGU1eBwkrVFewNLvZNJP9eYDHBzDzlRpwpLVc7phOPiEL6vKFdODB1FJGpMJ01s7xz0RAToPOroBiqfwWe4P1P7_smuRjKVFuMACSoGgHGqUQwE_TaspGKy94_ML685PBAGHeYtypfa9Zp5jgZpPYzz_poiKer8FjbR3q4kOogCuQF4ugIqSCPSV5Ep1tJn3GqL1nAV3p7jW.DZmWeiLLwTKqUe89Kt4eH8m_yhFVDBs1Sid7BMbjp8U_MbFkLZaOtMrpNBVrNx2eCBZ6l5maziYXODljvwLl.fm7kEWRz8sRqI3eKf.N1fMX9oTpV_Xw_s.u_x0_St5mn3iTTvfVCsd2mSpgfWe7FgKehXDt_F.WQF_KJd_T2keYdw8hjOrOqE1_l.R0HOvBWrdDWKz2Umz6xg7tdGH6YsH5.uFB6w3.AqWajCjaKNEQknZppicxu8t914BPFCC2WaylaQrtpV0aGPYQvbgRxBgw_tcUpcuAuRE47TfLPaI2phYBGDRYdsGLifEsg39Jxb7PYdiQVO0BrTfF8hm4spepJow2ElQ58OY1AjArVNaCKvUPWQ4iw6fZI1un4ZTNPXAy0JZPpGH5i_DUIDtFuOGoY766HCiUn9z6FlVNpEvNcUwQrejNJGwtyhvZRW3WACcTClfZxNacl80LLoqpnn9.WJ4TyBXXwrTNarujWHNFumT1CCK8lH7qaVGZ5AUggbgiAvTPdaNe.cVT6eofpsaB7.EedX56AQGRg2E6Fx3iGHuFS8Y3Wq9Ip4ldrBgY_hduDvvvJq0eXEvYvSqKYg_kQxjr1eXAA_M5.Xt5vs25C3N8RcRZ7kSUNl9seArMHiUYduPzx516r7p7ExXuEbkdDhu1A782xiT49LQee0a7gboU2abfcjxH6LnG8HcIFSUJKLNU2nrpk7jC4iMn8eAcBXlxseGFQ6JgA59QSPyW0iEFRD3..tNlJ6P.Ds8lKJwKTN0KNnLoMAS3dEjb4PZMYuMIwG8z6CVzgImpyuT5rY5fQRYUykqYlt9.Os29xDpTyqCfH2nicVc1BKzSgGFogZpXwGILq_upMXK9qv91n9R.O562qTqZBrRJxYxWFToV5i2jDg9HWCB.XCKuVmN7iTNdnYAy9pN8zAll0hSxaCTCOkbE0HumndiYjHSJnsOguHFn5yHkXuZxTwXI24sQ63RtFpXWm_w6wdsTRTN2n90pF.iXYCdddMvs43WVMJc.3nYIIqE6_qrqA9c3_Vl96AIkGXNPulI39JeI8SvEEjbEKd3Z38aZoBDYy25MQ0YrOH6pl.jYBeDswXiAlhaI7WcHFrR12jAHN0Xlp3gLawu9X9yomrI2nRghZjqyL8dMKJQRqFr3pDiWrykx_Ibyz7uAcDkPPTHtCLawxEN6BJe1VsuryzTEMx165xbpPaEwfrnF4ruKIW3cPft9egTBwcLIPIu2Z9Vl7fBrpHJpzQgzH9BW6o7eaoCl6_.sXKcNQMP22adnynlkeBOZPrcS1MDG3v9QV86RgoGcAoiSwGoL9b0Ni4h5xg5IM",mdrd: "6u.pLHu1hQvSMWahd4tDfLLEE.zOUtY9rNF9qasMOhg-1739102408-1.2.1.1-YrrW1F6yEul6kPr8aW7dmF4bh.nqL0CPbfpx3cdM1s2iM_DT85bY74woJmQNkjIgIDkC9kbArfBxJbjKIA0wGsf8oYEdi4TDKRjxdp7HKdlvcwq1Ii6otkqdpkCCi522IbpJcLI2bawzlQf56ydoL7fRZY0653KagKsyu7xh3ifdyDt2PXvWwJvIwYCNH3TFmwev6INRU_9AyEdb0fsldQ4kpL1vY4nV7_9MC5ZAl7819Q9wiuwzq7ktsmbKRnyhLSVZkZeAQPW5YO43bmyPWClyVU1N15jQx4qR5CDWm4V5SbnQCde8fSBmUY4pwU2XGvBUA2p2HhOBarxKSPe9T7ZOW5AEJUWJQYWGm.qsdzK1zNyh.vi2vohjvwxKVlhXecNVMEX3hvMk6q_VMcBrLaiQ7pqrvDL82vZAEfKdsakQaUZXIyE3VM8RgBYDT.A_X6jARwET6w0WDvWWOsPoHudhTXWybafJddCCvFQNrSLOvR.tO1jJV8BIOE8QQ39mp.UvRQzMWCNBZE1gCA00sk6xB69bNzSaVEBg0hysvepEsxGO6zXTVLrP.20RS52qw1gaFv0Z31SArM.b7lbDA7yLzVTDqRe.gLWwj4Nd2rgc7IMgL0gHRUa48fH9bSZ8H1r1g3Kn4e84W9Cm_SKLujt7NKwGBe43zmO463hyG8Tm3TZpRTb1UOHCX6_S8cz2DMCTjBprs_qwkxxRdq63Udye1InKYAKP2spr4.qcGXcmSlp5u5xx_hyOWmow_bMp4Jw2un6u7H4jAA9lIa3zsIiAlr8oUu2avLAUha0XYqqvQWOFaD0iMRHUfPeq1M_DtWgQ7LJcwUHRc01S_bVjQ8Qk1Cb7_cOneFw1NQ1sGE1GY6u4LVfcL0FAIFYA0DjamN4HOiVbdBYe0LT6E93mfW7oJBMhC.83g0tNtGkTzjKTgDYs0byqKRey3sMNWcV9mc.sUL8z8F6.XDFJHfCOMawhz1Oz4_d6KFygJrVaaYekwNJv4g7ng5FruwNlHdQuBExpc9tGze.1udPzhlSkrZ5Dq4TRD5fvYJ4A_m8QCg.zjq9EnFuP3nndJ2WksetfrYgXx3DFZOvIN0rQtcAWEnGR.gtpUk8Cq3mVtW9WrMRFfk83WhIhjVAH6y3ISjCRYljh_XKSWFZlX9Dwm.XWott5RZv2Q.Hlvlbx2Xou3o9dkkeeq_s8GTLk7xheWKC3jL1B1W7y43GOdfwr5LvN5a4MZj3sHuysTp4Tz6xWRQLuhETPLuHFKydkQgIYHhMhQmbpkA4FRVCnUoLCh8zgJUnER0r4.YuIX1Eqb6P7dI.3wLfBUH5d4IWzejv_0qh7yDsctoQn6AnXK754FS_q.cF1BSTMRXdm_Kyx0F4EaWriavbnE7xj76phLaLY3cdKDX01L2hHWs7tWRj_nM5WgaMjbXNnyIcElCQ7QDZHjKH7wYHELuAU2oMpc1ZaHBOOSPAcBMZiemohelv4_ZiebYJd4j3lnYbGogjDxgVvQ7Oahf1z3WGt.AH60mwA7JDzk1.xcIPtuqXs1BXSc9jqY5uM9jg5yFfe3aiv27wn47PuNJad3EfDNWVg22rigpldHnczm_w1kicmI7sjpUIrHK8oXobd3Qy05e8Pz8UglsQb3sowkkS6jI3piqyRSV6mYf4PBGY7IIvZdM5Bjhy3p0rOFAaT2_IJYPoGW2cHNzaF_iecta_9ZpobfTQcXSSV1JXzCizcJoXwx.fwzS0M1HBZqnaigjbWUvOg2mWHRV8fvNoo1WY9RZ7z80Yr4UA0J_OQkF..vxLwnyJZZIuZn6.lqzDH_PhqIzgMW0vI95A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3b2835fd23886';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\/4259680137?__cf_chl_rt_tk=h0kAtX_erpNTlzNSJ08RygAy3aJn5yE57Ra.mXYCDBw-1739102408-1.0.1.1-kch4luEtm.C4C8ZUrB9g.Wmze9a9DjXQ398DzzZVxDs" + 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