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-560199608704.mit-edu.top/post/5729306184

  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-560199608704.mit-edu.top",cType: 'managed',cRay: '90f65f2909f2c9af',cH: '5pw9BtLh2AjBnBkf.ZUqfmZKEiKMvibRX.4amhitUtQ-1739130451-1.2.1.1-poHmVffiaMuI2NPAuJWYuTd6WaicljPHHLZSR_j9galwiIYZNk9V.YXQbjB72G_D',cUPMDTk: "\/post\/5729306184?__cf_chl_tk=HyFllhZHgMXPf5fSeGcw5HETqLhFQ9.NgXjjYgb_Qng-1739130451-1.0.1.1-YhDF.A8BJAf5Y._gPDV8Vx.2Fxq8dNA6GeIj6dU3h4E",cFPWv: 'g',cITimeS: '1739130451',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5729306184?__cf_chl_f_tk=HyFllhZHgMXPf5fSeGcw5HETqLhFQ9.NgXjjYgb_Qng-1739130451-1.0.1.1-YhDF.A8BJAf5Y._gPDV8Vx.2Fxq8dNA6GeIj6dU3h4E",md: "i_OVEIG2bx41EDhcEyX1iK_jQMl_O83zyQkwW8G5GRg-1739130451-1.2.1.1-Bqdg2WA7BZFmGB9rffNxGs4lCgQuNP3QkA4bZo39_KWo_vli7Z71ASLMHOk_bI5ET16B8rUFwxkp_ikBedAo3Y2Wr0nTrNA3oCz2oadywkPxqEWcmnUuqCXHa_kIT0qUxwabvRdlNoYfIpv5LhCXaKlS5ZYajrY8QGkplMchjdnwPikbpx_N7bKE6_uT8tRxKVVIW78QQiyuQpYLhpGRPE9_h.nNwlnFX1VXaEb2XxsPSzYG.g0cx8rRZDWXtt6L6fNvWKkh89OaUA4SzM6fZwTN0Q4ZJTPIDuuV.7MaBmmAR9Z21NZWAm8RZ1AI_druhdKQgvmBqzN5b6t7tEYOfCNenqMSS4cjzl7AgtIMbc9zwo.gJGsVUSXPH2gIz4EFGHjMWvZkQwTfpNV3qK6.JP_NEFYJW9BPmcNx3KhWQ.xCbAx0Q8krWtYEbfknmP7_9vWBV9U8Sjn3NN2gZJxrVlHyAhTUx5hmqFm.BcOysPuNF8I3MGeSvUYT5GeSI7jNNYVCRBcWz4EVzgPSWK0Z4rfbFdRNi.Ko8i5J0hnnVnrCCsCaeeSmCqFbrC6g7.s2wwej5Xq.WqRoqOofeLzmNH__XjuAqNHMyDR53yDOggK6Q0rVogbahhTUZH7cJWAqXk5JL.3GPSzfD_69aIX6.06.pdapnlty1bO0f5iI5CaV7nQmUW_F.gSpckz2Knwp3t_1qCvlJw1wvaEi191SIXQXIXMiAi6bgscPr6GUzYmlnCE9ZXBGC3nvU2DeGlh8FDLRK2T1qoPSYRnY5VJidcFtSSZXeQD2YnGCIOHjZd2DzKmoGqAfE_7uccOwTnVTx96Zeg8M2FBLPvRc5GtkP1yxXFs55KmbJqVRprlqprtJZWqLz_Mxt4SlgKZXqCjp6QmXMUn8w1fdzJnkeaDPxnxHb0d5X0YAhfPSREZ2knJaXqe5M62dFVeyzQGhUtjWhZTAyuVzuVfUS.43NEQyqyIA9dTBlyk9A4YrPSMq74arDbsxW0GqCo8fUzQpRdti5u0wGMfCepZ8V8D5UHoeePlhxFUYrENz9lr_o98krL84N51dxMs8pd04d5XGV6352PGiqQkrORatd7qW49VKPkpGC2h3E1A.eT2ShxAcdTgHF4l6QKJDReRMG94NLdXvMCZoFJiSOxPpIr8D97nyKlSCOLcqqcuqI2egvkIEKIJTf8Z19gbYu6AWMLqGXMQ9FERqYf0uO5as7d8Jocsy8fBX4fe1i9mXgeNcOn0edH7NcxE8tMLpUAGK.pT1yWZOSuyCSkqMksxJanTZLxVIAKWk1zOqNW3L9uOcrTjF4M1M7mYMtvbNBsFSqa9EX94lDheNdyqaw3QyT3xmQI8nItOjPtUaz._GnkYQ01Vzlq.vHtocuOKLBFyx1cXnxtNinrWKSuAvot7FSGBptGHBoXasjkjIlZ.2jy7eZ59cDy.Zq1CvkY6Fg5gvm_nbc4XD4guGFZP4kTDUCGK3S.gyajGoZCI_9Ch_D_pOIi5MTKICsBESgJ7YJEYytkSLHHN0GrGFtkCugORClMoifvy0DdJj2i7seQKBAgXwg5uZjcZV9Vgwhin6ba7rJnUQqP3eDRS6DRoT.NedQxgqQ5v3M6AFynKhLxvAkX3hRIFjBz3GAdihoaahloncSLyICW53fQtfwIwzBNXVOwAuN6PVNozmVS2cseaPNaYkf3lCeg4zsXqGhx0rKJj.nn2kwdIPLXxSqejWkjHsANurluxIEcnkzDIsUnORZSmr.NFiszY5IWw.47ix8VimGDqPn5wLzmxJwKyA5Wct1GmzxMgyNYid3ogynHeRGllw.Ik.6sYnQkdcAsEIZdLUi68QYQLPpxH8TEGPLNJvdTlYBVCynRJardar3jbgF5G50_Cg14EJC_dAdXFpQHb0U5hEwCfpVEleM2sou_1lScjREkZFOGTkfKbe19XtliqaOa2g4OeXV21IC1DX1bkhTMiwK07pNTkzbUAJq1QFWJuut1kbuXrfangot5hU332VBfCfBbdQ7dyUqUE7ybGj9_ML.ZNcgY5PnuPBo4KLKSpn1nF0eKtm07V3JcStYueMHKm.4lsfLyPoRwrIgXpiWnCAfpYe7PthKhlDKLPkO..i5_09oGUn3iQpuAPqZfRvHdBPhdXStiup0kiaDM3D14mHGFnaOOCUlukKZETyS6w6J3u_EBNTUmFDdDlNBpxlNab4AbGDlf.T8Jh7iGhnyCYcwMnW",mdrd: "rxKSF8h4JsccyO3R9_R1C10b5TUYj6jhNTxms.FSXGg-1739130451-1.2.1.1-fpfrb3gHEqUR2XCNMKYHO0B8YMkN7OLRYTovVP2NGVaNRV7zO2zAcBL9WLDSSvsgiUpJbTeejrQChRYndwIMvYDWO0sSpYxw0Dn9GDkxJC4zCCLBv7yRQYyQDfwvoI79cGYuL4ohp_bsR9.pTUUyBj2gOAvFhTht.gm6lJ3AsomtGhkx.9Yjbj3WX28We713TNpq2HeStjYgRr7T1sOzGesqPdqOua.uscLHT99Xi.UvCVkqqqPT.02VNiSIdcxmcpJtHaKqmNLmFhvVMW8apQVjX1cspK4u1X8BsCyw5KCtfexSsq5Mzz7doh33R0S6z9ntEtJHsTXJZLWHMC1DybpU0xRmt7y6Q73SDSyZmhw_CluYsAPjEAeTf6FT1ka8tCgcN8CncJmNQEkhDj9OJkuqkVu.7N.rgg_UCcs8UIoWEFIn_6idVk6lXvmT8LWO5bRIwas6HejNqjI2gzkQmSH7k.DFCrVpMlLiMjh5P8umTXVlxGlC5OFlO2_zE.crH16AqWeqsG78xGFT2hI8ErUAGzT.SHFBHWlY48IGnS27hM6EWzYVTzBpJ.HdgBlC3waTcvz4MbyLMiVXdBMxar88w61Wu0_84jcc.6GB4yyKSrLsuDxh.11MvdbHblUu0QhKFO4NKpYpzs7c7nJYqBUICK7_Gnnk6TV9qLFpp2ZMTYHf4Gy5OCOzMdxkDxCi6QUy57WnrbSy.osB3BbpM98AjfbeZdIyCTcDa55FaOB63bEVpXZamT3boCSzwZOIeIjQ13omVLJ7InJgRJAauThVzYfBsh3v.YVIdgd6G.l4cOre3.W31SM5yW779iSm2FG7A6PQDqVV3IHqfOH3lfCPIS5h86YvO_eiYPfbaqkWVzYsjC.rhv4zyNI7P0uC.EF6dHNuDTBLm6j5Ghs2sbs0gP00nJbLA1P31aX55Nxya07FrtGBwAOUgJyOQrdTrM.7xSdolKTc.m7l2aAPbrNG6ilhChoxE._6Mu6gU7z2nfCHOP1ZyryoTNbZasDSVTYrB5kO38ipompC3aIgUFQr8p8c5WFqFXxGq0iM9XQbjMQj1akYYydQDCvkGp6JsAbBDshkmLjkmYM3Ieo4ZzAab9IAV.nGzEK9oJA12Jdm.CzUEgfad_zGbm3sTfHFyi37X_GYFJ7FCq7SduFq5nTq54kjSNHDDulLmXXy5.V0vtZo9ekbkgAlWrelYeFVAmJ2Srcoz_Fn_EcN.aj1Qp07ZLQ.b8Rxsig2A4Rl4eNlkC83QKJO_w23TO56ub0bkDUKznfGHP_NFgtR4f.WVPSXNrHo0qniI9FezF9.TS8MlwbTJkQFMLObydS9MbAgJqBsqd2cLAJ7mbYhMQ9Egyn3vTW1WUJW0_D8.u9DnBHSF_um7egMn.Ang7fusLdUARzp1KEPXLealRkOi5WUfDmA.mHwH67HZLnmSlp898p8Oz27ec5rLvwmpTZeniNHWjRjxE2fHyJwncsFZua8yBxn12uqN6R5Xg5ppKzDtoGCag7cvzx6Q7TUKtNrX7tnooqXwCfAGVQY9KrTY5uduRx0pqb9bO0hBVApLGV_5e6oFmdkH.QTvUS_oiv6h78Df.DKZYIlPQ39de2Ir9Yr.XMecT3tDAsmGV7p.7cV.iTytK6UwEfozK1glFWLk2WySUm3djwjKo5oJ5E1MkIn0h1inDd6HgM5onRn67jodlWQyvIBZ3dHQUEfFGCT1qAqFTOLc9hmuKfI748B1LDlycRMa3Rq7SlR1R8FjatsC0pIHZcyIxeKNEMTMdwyeotHWEw22O8Xvx5eWM.r09AZVw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f65f2909f2c9af';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\/5729306184?__cf_chl_rt_tk=HyFllhZHgMXPf5fSeGcw5HETqLhFQ9.NgXjjYgb_Qng-1739130451-1.0.1.1-YhDF.A8BJAf5Y._gPDV8Vx.2Fxq8dNA6GeIj6dU3h4E" + 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