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-641355512140.mit-edu.top/post/9172630548

  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-641355512140.mit-edu.top",cType: 'managed',cRay: '90f671870f63172f',cH: 'pV2yVsVEGs6f.nuOodKhj8gfaQJa6_tbGwG0eU_cZd4-1739131203-1.2.1.1-xZF32FHBSKqx.k81Qw3lqg4rEMWsjxV988A0k_.YrCiC4TAqHtUH7vmTAHl6kXhp',cUPMDTk: "\/post\/9172630548?__cf_chl_tk=mgEO3H.8I0uDvibUB0aXS7JlqEqL6cXI8.JALZC34Wc-1739131203-1.0.1.1-p2YPwLE447TjuTgahPHk2t53u95xTL.BwSa0kSqh0W0",cFPWv: 'g',cITimeS: '1739131203',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9172630548?__cf_chl_f_tk=mgEO3H.8I0uDvibUB0aXS7JlqEqL6cXI8.JALZC34Wc-1739131203-1.0.1.1-p2YPwLE447TjuTgahPHk2t53u95xTL.BwSa0kSqh0W0",md: "5ej0h2BRMT5XZ5_CU8WA7cVFE2kdnd3nK4EmfBUjqNc-1739131203-1.2.1.1-jxVRAIZjZVXkgVMoHNr3owsZ9NHoSnCluMFVFcf4DbYrPHSW6QU5JwC7YlOQADEmlflBfmPtSJoySox3dpQCV1Ae6FAVwKyXAz4MiNg99skvCAoc8NAFfFdyglfMzFByfyZZpPfz.PBE4tZiVtGRKScTzmwqF9oT1QfWyMV8h5d1cvrYyRGeU6cd8rF0HySdqVLH8XEoeSS_9s6ACJxqtRVYvYJlZ2YLASXw8KNyEW9Q8TPemKJemQPTO0n7so4p86iBRn9JDgBZikXuwSKelO7_HqIJglk8XsG5MNJQpYbVqT8Btcn5tTvXZwd5Sd7y7tjNQEW2ThhSFyrFhtc6G2imnF8YOhPA5v9iPiZ.bmcjn4bG9JDbnUJNumjJ3WEUHemqArJPI7ns39M9zzKw5R4G_x4IGljxQYT45vXPsjsqnLQGDo35.9G_niWkhJR8g1XMq0YYA2_GBO0TuVKY_GmZPQmzlmkXJCgAWt2uugGj..z2qaFzDb4Gov3aTQWxI_zbGpHWXNBjnc_PhD8rcTNBRTKtIOnXiR.wcLbdQ7w8N3Efd5.HeMfG887cfz0IkDsG9MVGSJiwQ2XDBxtf96zSj91veUb2IKVDZl4wTV8miQt7x14zFxv4SmeHEJIKX5jYPBRuC1a9pbbH5WHYjoqGF45j3S058RBgT1nQT_JY9Pbxt4_3K4H7Sy80zE4kO16i1LEA6qZ7_hHl3wMubov6eAucbxAZw1jKUllaDBxCtlmEIinrFRr0cM.1e2709Qfps8cv0xpL900scxQnRDtRJNS0mPe0QJcWTsq8YdEZ4SMcgN_31hjdAH2N32skM10UjJJ5ML8ra.5jWQ6iUDKkDVAGXBVN_k_gJkg3fX2azGUaQSQBXkfNni740wm8UVVQc_QiuA9O8ZDZo6yyhU11cRzVgIyqNC42oJ2iQv2eU3.Ico9Xepl62NH2mOqBaLY8w0nI1plr68hbAMw.MbVdGmCU1KnPg9aGw94TD9AhmvXv7OGQqXN5R38s0G655oN8m93xhBDYsjSN0RXe8vPWtq1dcm.aJHbbVknsQeNfgsyIxc2nU93UwmhRzRQmZc1WvOc1j8Gu.xnYRQFin3XMqWlIXltZXDS_h5yRanAN8Wp.8WDjx4keDzMnmcuULaouzf52p2sDrYUijzgatggwDcWILG4lJlC9xbo.6L3Q_ZkBdZE_D53uHPvca3dUZQR6GiQRVBsn_lahaGcaE5EyZ2u8X_07p17c3UVJPM7K.3VIV3SjijWlLqxKWA0UtVOayB3L_2dDVwEKh2jVte2YaT.qB5e2AMMt8yeXQzEJ6C7Q5fBOLqCRO1SvpU1Ub7S_kfyda1JQa9.ZPh5xSWDxozhH2X8bBjqsnqfqu9feC7fn2EMUbtlWrxbZnHm2qLracacK90iuoD2BiJx04GCy_7wJEFHEDQwLMGv9C5mkgj1IfxCy7buCiltkbElp.9qelnFtVQBLg6j7fXnvqX25ad6QZLLCKhG2xL3I7lBwwRTLLxlgOvb2qVLL8n27ykW6.4y07_GDGKGtziu.LRrNzlqwI17HwotjOaBDSAQGck6tzm70AqRh0lIDH9_YRHtjS.4kTLwPZz0gYaSCGRzG8ujdMcwHQjPy5J_HKniQ8XTWCPKjVvt8YR86P5NnU2D._lH7GfdUIMoJsdU23VzVhhQnN1kxKQZYpCs4tm8.EL9z0NZWcGqLcxy66up8EQxZi4mxxnIQlLNniK8Zb8wWQpmkLbt9ZJGF38t3j3q4Y.vqnF8azqNy9tshWG.aZzyqVFsh4EAliLuyXSEXJDFQ_EwO1hnZtsYewGOJD4ntQYSHNsQPr5FA.R4AzLLbqpS6DZzmbXbRVFCr_xhu_.IEHgDCPiMF4K_iRYwoGtyNiYLQy.hTBVeSftwXfLG7D08E4Og7U2hhGjoyo_Tm4e7Hno6upIyNqX1bd4P8Ezd1l1J9plJLlDQ6joz5jsntCaRXIJoxo8pnOcJ3jnTJlP_NfEnr7F_uulTAOLs5IOjduZ0jC5rBRbDB6TQYpjevUN_rO9MSaUNSHsCMsN81PqgM3dOhxBfaw4nrCLvNN8q0kTkN7AxWHxb1rU4F_N8LwlCAzEQO6mpOrJkpECIUUbobO44hUzcZcHlbMVahj4Nizof.NEKGYLMcVO27iUmoROJfiwdM7EdDeNhRsovJCa9V3REii5k_yNg.5cDUyjEyFzUvsQczC2Zrm.2Kjcs2",mdrd: "wPec.Fgq1hiNzlMZ564vR1a4jogVNswD0lKCpd99n7U-1739131203-1.2.1.1-4RSrjFag5GpBqligvKW1DkNrRmOLZS9ljP29P8jVkQXG_reTlTd3dyVQRerGWSX4XM9uhTF0k79FbhIqUIKsVmXcZaRLloius5vpRNbSrC59E7cZIXVygKcGw3JT8fTEGYFKXy7_hvq43PL.4woD9bDA.tnqJFJmVJEWlvj3moiV_0jiabgnxAtozoRVna5d8O..G5LH_ghrlhiO7vjMHMSPf3JmtDCiH4KeqfPamT9dpk8auJ4JsVuTKvRNRy2b5aMzBkNVceVyjFggAH.Auh3XLHhW2KMufeewIlfKYwQKM_UxxgI3lhHXqvDfchDJpQihOI6dgt2M8VaQ_hkZBWQTPouBRy_zmDa2mCvl69IUj4L7uEbHJ3BTMDNuA4Sp4jm.aLcgzy69ZirLgq2WxRo.2q3SZDsz.nRXQxLO7FhzTW.Cs0BnGQPrDMCReFGyFy7QKBaBs0uiod.Ku01HNjRVjRk1.u5A_7mIuW0YgDeSRvAjtTFwo9HkDJmTKpmawoaCH2mgh0UeamWsQ7RPWMvg6IsgQ076Uw3cB0pqL_i959hg5ci6NNS0BxtfPfbyvPpEF3kG2UcdrSi2X_CVxcfV1Ri1voxmy6na2DHT0Ir5djPctXeTdSnjRXSjSyHRHdvyL.KhxQTTTbW3VZMGtIqkK81q_sajUCqIk3FmTmrSEW5_xSGJeeT52ztXNXDZ2RoSwiwwUsFy7fQAQqBIf9F9k6EEZerHexoOUBF7OWyVWHG0ih3mLp10X07ktc1kzgE81k1ovIfmmXKSXA.gBpokLRdwSfTQ94ffup6kYpT8eT0x_jt5ad4nWX0fL1mJtxmoCo.o4ys0MT8LYVXZcp4zgs4WI2zp9nJIqbC7vgORDGQKWKCW7wQe0XpzUBHmOb_MGm6ujmO9XHdKz.CWlGww9N3YaeJ0SclOQhjYdYRFryR9Uo8LcEqAqqPIDm9M5SifmlNlkjrEw8wnN5ecg5u8Fr7H3EpDoqf.Ta4HLhbmVItYJkoYXtOrmhdT9P9om97vkhfl4C4RoWPcIQYbAdKMCEaK02rxAh486.hs0dn7OGMWMPSbsWtQQ7Uf1z8vs3QXYNfphldh3w5_QIsuzDNSHun3B99PmjKnZe16DhATQOm74HordBPkMt8EwV7rM4CsAnedgT8K16pDpIoMlENTMxHWSD2KuMRSBI1U1upikCVtqJwMhpog2QClwm7mWh2BYnIy0GhZlIwaiL7Nfn9T8sG.xcYgeIisCVS3PxXrIxR1wkOK6UaD2TIJhEQ3_yJeu5pU46ckEaCQtr6wUVo.LMuA4FdSZdwocS86s1mAHypkD2ghO.VCAUdEMH5uIHiy9qnJ80xTZALjjysmil7lOSSlQSwGwMTE22fWogvevaxBvYIK26N03yEIKXJgKCQc3PPoPlsMf49luMbezcwc7qFSh3a3GShO0L4PrV5Od_L3TC4Mxkk1WhMHyJO4z1QmhIlGVcp9u_yYzQgSRXKN.TffwhTozY8wVMcFpQhKOLEGumUhMdIK6_Ada_U._3lLUGezRLOLh9MLFePAQumvCxqSmZzqt4NDn5LKouaBiY6sNcJqd7y0iDwf0FH5NZiasPYapp5WBa5Z.BMLSe.5yzHgJ8C7KWoAr2U8UkTUwArOMRyhHPUnjHVKDuaR6vIWZ39pT6o7LcxOLqF4VGW_bwAke_FK1TiA23oMmHVZJ7_SsrtegSinr05NCij.w8HHM2eh5ZpCjhRxgyC75Lgw6YwwQUTg3LkxwOz5gT5uICZF7arUpIpKK0OKpJDDFI.3ITy.kLo8O6bBPGJNJaEtMWSpENV4u9yHHfRPXJZ8TpLY0FCQqFh_ArT.Y0Ru"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f671870f63172f';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\/9172630548?__cf_chl_rt_tk=mgEO3H.8I0uDvibUB0aXS7JlqEqL6cXI8.JALZC34Wc-1739131203-1.0.1.1-p2YPwLE447TjuTgahPHk2t53u95xTL.BwSa0kSqh0W0" + 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