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-072487205755.mit-edu.top/post/1907256348

  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-072487205755.mit-edu.top",cType: 'managed',cRay: '9110b7d08b5ac56b',cH: 'J140LDesWBxS.PBgdq..BHzSVkNdaGn6Z6vba3ZQ0uM-1739406712-1.2.1.1-6ITOoN0_JwxPQsVfqMmpMoZeRIGlmZGq_PMG8UsrZnYAi56w63ON6GsGhZIXiCPb',cUPMDTk: "\/post\/1907256348?__cf_chl_tk=0oJcJ42VwuX.bbXk59vgcidcRXlpYbyPukV2.3uuqnk-1739406712-1.0.1.1-FDywkKWSORbnL.JK0ptUx8M2baDZNwCmtWrBL3jgUV8",cFPWv: 'b',cITimeS: '1739406712',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1907256348?__cf_chl_f_tk=0oJcJ42VwuX.bbXk59vgcidcRXlpYbyPukV2.3uuqnk-1739406712-1.0.1.1-FDywkKWSORbnL.JK0ptUx8M2baDZNwCmtWrBL3jgUV8",md: "zEnsAIQRAs6JYQNGEbpsCKbo2asLC12h4ycd5HXF1gM-1739406712-1.2.1.1-3I0IIa2F2Vzc1MV6_aCyrOhx03bVOhCmOYw6LhM60rv58q37DOPWr3jsHTVzF17wYt3Y1QUHLENRZVyfgRHna1LxTh5u4homJCc.vcjpXJSpvuTE9LR4Fe.q.DpNzJ6JoFLktRDxsXnsi6kq2lukO8Apgp_9otlOjeXbzlIG5YLwKLbZOHlQWEgimaOx6YMvYIWwN59lXc4VJpNcP3SNZfLpwVzxOBpGAFkIvgUSIv04LD3HmwEttqXXGTBY.yurlI_DB3zqCcmMwssu4j_eharqTVr2CWpxUJhJP_T2dbVaaNOcmwGchnWhoMq_QQOP0hJu_r7dY9XFEbrP80TACGtN9PUKs3yOtyyBxO6Qb80rHl2lSFg6TBFnyHiw029OZMjRf9obrJWDjkF_t.DkGeXPyBsXPaT6VLNJSp2seF3xJInW52AGxbX6xyVIzONpO_4Jz5OHmK9cYWf2_F1jwa.mbEx_pWv1jke.0NzDZeitJ4Qx_Ku2O9gUF3hJV5IXW_KK8qOZEHtHEJ9J3ltF.DvQxFDBzHizVk1TQ5zjQ_IxwRQWXUAJmNRXv77lr5SHqDqqzZdhpqxQMC6Dj0Rkmrm27MZdLkVYp2.b48pEvJHkyKOI6eVPJ1lJY46QNk1mjMh.t01d0t3B3fZDaJxZfH_vZvsaQG.xJH01y2ivJl1e94CiPQZpN88Y_fo2KbpZM9vHdAhpE4v6jS1I7FxFLBAYKXPvcQX8SvT3kr_88cDSzWHTF5fAO7muGNDyuIE_bYjVpTCSuadtxdcBO5ROVv71UV5LESEiNwBLoo9wuCrFrc49Pj1u5FSlJgSXMLJuL2zJeveOGKprKCNLBLlAHLpETokm.bVhS3D2Ot9WxnDoOQh8PxX9Mg_gv4nYmS9ort5NkP9E5iWMDSTlg8pRYBLgyUOZ69KUPKti9RFfgvE4Fy7SyzvXUrSyddeBw3eMSPw.tq4SxNaSszVrj8yuyPCAmYEx6D1N.Dtt1Ca8f1MpW9OPXkxpkG9h8apDgpdo177Ma3ykXt3yP4xm8ReON8ECTUwvNa51JoAnyc76uCl4QDNMb280K0AHHWmMqzZxVhIZa.Ub3G9EF8iiFUnhcqsUxR0kFl4uXEKiqbLK6zH0M1GFTZPC3Ojw6WKxz75gqFv97Dqo3azHoBtcB2T17m8YzHtzdzeWPpwohkbLCEtRbKRYKuoLQCDH4RtYeJ9RWRjMBZLWcx_pvmHKqD00v2O9LUZU7Pa7kEoT5JxX_cZz2pKEkv.gCESij0pAzud2FyzatyJh7kyWz9fRH.jkpZ762uXCDBbyIWoy0EEXU.493P6Nz8WQc3fRjgTHwA7lMVerAyzAKgCTzwuGMcHv0gb5hejD581ozh1nYxQtM9yx90yRJf.lQmn57D6A0Z3CWYOHshGIwwzWxeTGirMOuAFmCwkzLDK3TrOIuVkUjSTKasuMabAYZaqzdRw8ROcjAUwsOU_iv9soPUcNwr4dfrgSZw7dXgdvy31OPhPgt3m4FvvbwUUWf8OCHsW_qBYVvtYHwUIlN1dSPIixj92vhsXgdsX9h8cK74K6khQ0EPYc3I.EkqYTCszVIa.sIQ1r63yJWYJNmNbAZ6uTBl2SxpqLwPj6k4fYJO7wjm401l9HQbsh1VhsKsng6mmoFYb0sAJoksYIcrtx4HQVuJqekwsm9QRRyEmQ7lqw4eOWvn7gVJvfZHXty9EF.0Ip4PosEeaD6_yefHAI3x4BmmBJFGkgSMZJxfDqrtYwwVSpjqp4vs8PZBPnXBxFfyQegbr1V0kUD5OnoxORUk9Y9GqlF9O3WNPTsNymI4LfT6CScFG8cexcX8mwWrgmosCiXLSk0Na2jUtN7AUxO16einHm.ZihscSefNkL_ByQEmYlIKemmC1GbFrCucMDCsHaHxIgcqsB8ohPBmI5UyANwzvHHIvFJIXlumvy5Y3446Bg.O_zln5ER9F_QypIAAQozKZh77euSE6wWaj447llZ0sFGbU.HHZzad3jrCDyjAu04SxHWUGmZMUVq9cWcqTp1JjAXFJRtgSG2MhTAVmwj3mmaBJbUTq7GJkWGv7jVMm7EpnOU.wZU8ge1Fh2bd7C1boq2S6wiqtzbaAYLXGLU3L4saB9k1Qr8xkBw.ewec2DvXTwC9UMI3KtwRAJ3wP84GGrcte0xeFxeHJYAuRO4IM6jwTpQIeBK6DIJ29VHA7TNaZn1MMgwoPHyoAskZR32CtJ",mdrd: "Z8aeFFuO4EZvqE2tjl97faKe4kkHzMkKkJ2nmvwP2PY-1739406712-1.2.1.1-.UhjhKiDhsrOyModRJzX0s_5A0zH_CdrvbG9lmOd.mOnuQkLeWoAVfmySaziv5zwTjdMfvcPqnwTzMq_ObZ3gzCU6oawRK6dnEnNSZ.RehodyDzqWd8b3uAynBAsbZn92MG6OGKriO85dBc2Ornht06Axl5EhpLP805lyE6iPs1CexmUPI7cuAT2ykHmQm00pB85atc2L_NDhKtPZjxcfnWWR03tSTkf88a3tEr..pb7GVhF0lJh4pLw3N2sED.plW_jeedY51c4YenvtHKbChFQamf.DK_jO4GMHjEWI_1vnzBHCjjhzHROAPLQP.jQJn6.BWs42k.LQS11v0nhtqdC429tfK1wFvUEnr3PV5uSFGfMqsCId.5rvtpGlTZtqRKuwbGTGFmYW3p1cTf_b5Z5CtwqdW5veYabz_kdgf4m4taodbJjb4OGRjfHIo3NIROGZ4tccuX2r98UbrzyHlchLkE7RrYvOHDW.x9Lgww9hwkHqMaQ_pNB_I2U1FScFWJ66ibqPDy92QYOcaYypheEqu8QUqfgqCShipoBAnqNzUYWMv4qYLQgep46G5rGs5YFRiYywx8ttcAcY40A0cSiyvUq0nCdi.dyVGxmfCyBgHnZ5tqnKxfW9TDvsBdXxHeemgO6.MIbHznj.3YSwbeJ4BYUuWPNNdpSVDjAse6AXcHFdJv64x73q8F5NvoJQOCS0GEjFz0wFqg7OwXL6c3X3Ex9Nki0mCelLbkvuMJHiuoJ56e1zETVypJgzNI8sj7tz0WN8rI_IvYphpqfyqiw2khWnD2JTOrgdQj7DepQ88QJoqbx1Xv_QyTODIvFqqWuTxZkNztMBdt6GtpfmfqFKn63qOe6UvrrXQzu2Zjyg5C8OmzFSHfJMgOsF43Y9agA_dKPXxP1w_vIOZlw7Xmq3Y01pTXRNz3r6ujMuU9fQtWV_aNBrlppodtlzA7JNl0t1PNSTD_h_X8IO7EAV7Jlm_u4BU6axqWNT2JGW.X6jDtR81gZVp1bQYJVJmqcLFIRq111AmYRRROHbnA.lebvh7lZCJx_Sd6fd7RTRrO5QWLg5D0Smi8jbMDpjD406HnPcs5XAcbLxSVk.CM41M2c14j7Z8TVHLiVUC1c6CioRVjPgrfnWVZgSPsbZyAC_CcyrEb9skLj5tIDD0aLmSGdDWiHTCiJwXBk78oa1YRi7NGwlY3J4OGdOkpfqySpWfd1BLmhNQAOdEemdtPn0U3tkrXb6CKKV9yPHmFhbm2B1NaIIEPE8zJEVomCcKeJvltjRcr1oIX.H6gZ6a94.bm9TBANiOxvQfSYwt7ikPy5AXwf4AQqvhmvgPeV2NGuPo.S8C_KFHd_B939iNwC1xVcV9aCRwp96fWj9MPSuivHZ6qgAMCn9HbTKid6HijuBx.SUIGAnM1ORIGN6QyHUgTe7W_I3zxw2ssoeFfgGGvXsq1Nv5Rv0KbA01GP72aTgDqdZ0xHZvCwxRVrO7i.R83qgjliTEH6RYqk6AqvXXm1wCwXd_6R2RyHYURa1Q8TEwYmDg3TbYMMXr7zdn._3E4_76k4Jr3jx4IBrCeYgPxGsMg_zAzyupSpOjAvAYQp1blVlcXeBn3M4FKMVNZAhhEY19i7vW8OT_Z9mTPsHleQDarTb.JcwIjjuu5dwV7DB__6LPHs9VZFWLNktpk1DA8d4RjVHCg_A47MP39WPpEKx.JS7hosDMBmGJ_4ZGF6bKY8BTugBOPHHYCIUkcuclOjjPHs9TIWcZ2Ihp6eFOJcFt0X8wyTlBT23Qhjazq7jV7a0bXAf4taD6m0CQP7P0LCpVdRxkPZBxuw9wTJWdM"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110b7d08b5ac56b';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\/1907256348?__cf_chl_rt_tk=0oJcJ42VwuX.bbXk59vgcidcRXlpYbyPukV2.3uuqnk-1739406712-1.0.1.1-FDywkKWSORbnL.JK0ptUx8M2baDZNwCmtWrBL3jgUV8" + 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