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-392991772541.mit-edu.top/post/8613042597

  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-392991772541.mit-edu.top",cType: 'managed',cRay: '910ac56aa9a1ff00',cH: 'KK9zsgXUl0jxGpEqfMcZTSlo3G9cZyrCRqCclJELJ3E-1739344354-1.2.1.1-7L5YJCXwnwJM18gSehimO8_zBO6zWFStqd0feh_1nAU0dVF8h.4foXdyZ8xnaSP1',cUPMDTk: "\/post\/8613042597?__cf_chl_tk=tSi1mBMDx4EZrPamBGErIfYc3TwtC1VjCdtXq5IuyEI-1739344354-1.0.1.1-w1RcH.yLOCK1Peqiw77UUyYgyI7vhXOZrdtVyqpl_XY",cFPWv: 'g',cITimeS: '1739344354',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8613042597?__cf_chl_f_tk=tSi1mBMDx4EZrPamBGErIfYc3TwtC1VjCdtXq5IuyEI-1739344354-1.0.1.1-w1RcH.yLOCK1Peqiw77UUyYgyI7vhXOZrdtVyqpl_XY",md: "cUeRRDyuHpKKTdeQKQG1EIVyE4MY9xJOqtOrjY9WxDg-1739344354-1.2.1.1-abotBfxECZoBWgIaiMqin3zbSYK09INYihhhHaie80gd0zorjYOZhd4vP8ut8mwdO7ia5ox0NHX.vx2RUcqLcetgvF92dp0EDpmaKPZQyXvdSZLmH1ahLE7zLYQnFSs74yhCUtj6K1f3r9bCa1Ee6pgWhF4vlD_wt22T2UZTVr0IXoV3ezyLxDdFMH2PipsVNsO2t6hWOhWZ4pCOM0FmiHaV5crTGx7yYhBOeMBwFQobUMrUXS5Xz.Uc9XC.6WnW9dgWCu2ZnJ2V5Cm64c4CRUBhGafxSRIJRTQMDYZt4oFHbEJd7UdIxd9v9r2O2BW9AgKvLgOEfKegLfQC_iJNHnTyhtsitQ0IhPWQ5uoPRhRBApb6P3nPcjL8Op23HyOFFDbBNT7iS633llwyTFfHx..VVf30uIBZ72IR750rHU3_czOhuAaKW4xEm8o3KdvtGUD8Msah_1NuHWtAGz2108zh7Wx7RbVNq9BbxIuhqCndIglmRC4ZCFWl7lkd9JDBDwGSMG3ZS8r8RW08qIVULjQlvQy8puZxzM5n9SzI_3_yeYrZ0lFCzMF4PoxUd8W1o.FME8rSB.ntPmyCU6mVN6fN_PCr3CDftu9EbCOpSetuDwrcdVlBgywxc77cPQYpDSQET1GqxLq5.0.w6V1h3OM3gGn8NCZ_2Ico_ndq35IHm0zYy5V9tdb8ihoaF_782Y0PgCQmHk.ItsLZ9UvZCl2Mi.428IlvasnDmoj3ePqu9RY6Y6e9m_CeBFF9CG99tvffLa7kDXu5NcODS.iP5.TENKUEOqAy1Gr28LP2lqMhLVv.epire7qwRo67MdpvhkQkNprMeiHbi67kvy0pAb9.YWHg9jaaR9ZelwhmJXjcGQl2TEqhbMBPrJtKRv59bVZEYbyEXDlfXeJbQSETSdYMvryTww.RE7Uanc_WtDH9WA.PSjpcAbi_EduBlvw0jEqvySW9NND5Hv4vHNkj5KFg45uRaV8reinu8_.iCIvsJcSBZ2HMc1YoYsKVSchypLF4hH8wQHgh1iaUe8tTGlLu.pX7h6wly5Xtyrly60HOM.k.TDEDWrywApa_ik4K4elstcsgyni1tjLzzUKivXIhAb9sthOKzivm5sRsLEzChiZE8Ey.iQpkQvmQVEyYEAkfYvgdq73WjCZXRcpyLrXLBuFV8b0t8xYY1PpwlhApp3swThEn0Cy1cWxYBEjhVet_9iXjyhvK34n837z9V6E9AVqrmuN5UwcxoPVhsreC4J58QkabBvuoTd6qkTkXQfiFi3uxtSRliEY1t383sB3gydzk4kHMHwd.HehcojaVSGTvzNieNZpbwwKmmeFnJZdHyAAwRN0oTYBSOI9uvIcCfVx0wV6q76mCgyD6KREup6aOaH2Ytdw0q7EhDcGS40lzS_1DWaUUeTopokh196cNaZlOTY.NYvnvHtn9LxBidazs8riwWUunDzUrC9WHhTT9WSOUaiD5.SdmqaJ206q59pIjAqVe8iV0ZF3u0mZzB55zUNExojwC56nYV2ZWxgsFkkThU4UcejUl_GUbNY92mZ1lvHYY._aZdlD.xN0N2nt7pAW3SVhwbIpnqHHNZbYAy2cLYAYRlwz8MkUEnlNFGjukMcLwT3f20OGK_x0rYwLSNt5i4697ZnGaBeztlAgg85wLiTKfni1S90UdmytnW85mpUxyhwE3cluh_srf9MTZ0njd.g7uZimirqgyTEgUeruqEMMwEX0h_ZpC27paOfVUMCISnOM96XmUXSIYpAzlXu5ntSOfESrjKPzV7gUYYifUHkjcXm34VfY_4n.qltIkbZoWikUlvvwe3x3P2hS6krcJBuH5ClPFmYRfRWRIAaWBSvunK_KCMKqZgZGD5QQ8dw.Jw.ulfpxYi7wf5OfI1ynRJ4gXyTV9j4APidobyYOyJgZNbnK1Ex8uJI6l.VDFTYBJB1hVrNHjPjFYluE9lbygjgJooEgEdgt15q1Xg7lEQ1hTBmxBMcebYI9er7EbeQqYfyk8WTpQaTDFBQB107hvkPaxMI.QD80HafVtju4ASyNZVQtYxMN0dItYixy8JW.52mpzq3KH0YpFE3SwTjEdf2yfmmKA3fHPBdjCBW89Vza5y8Ymr2R2RBlIaYX3jfm0jyCJ5u7WT9_UydzReDE295hqgulAfcN.hCdHzBwSSFXCDVPhvuCnFbKnl9qiyWSFfB3OSWNzxF7lxwnNio3Gjr5WILpRr.h4",mdrd: "uD_2rkOMyS0ANKvMuzbozD2N06pP2BI4u.GfxODbhxg-1739344354-1.2.1.1-tHHsgGaaY7PEz6CjjRJQK6b8_KExe169Nu2PDfnnvj_Teuhajk9dSXHij.spaug71doUIlQ6I57NNwziJld1n1Hxc44FEA21kZN_Cth1rkvlnVEmFCD.ZKclA1mBAHNMFlbfAW9RcwzthJ5WIutXHk2uTKUTzDbf.Tw6sDLQGnV7Fj3mDbdx_M9CSJYQfNyRc0TyzG_eRQDbdrkAa9fJAsMpurymXpQk9vFdqw4wRiKBpJpdzbHa9SQ8j4qrGrMaH4304IeJ34DCBhqlDiVf6qB1qFHowPJIvzVADz2yLbUr_xi.GiYrN1HsQtiCmm5Tj1V2ULUCOmGryJO2sxC861GJIJSctGVrrYZLhJC6sHBj5nO655WpxR6QTdN5nccHODr44DiuftfOWrLhbiciZw6xwF_ZDjN2MPn9DPubD6qFzaX4wINmihF7UZcFqhz72g6te9dLw7AJLJrRGRcDlPsWBVAGTRGrd8mSvPlZw0n6Gx_Km7kpaBNL1ahTLLjYY7Kae7PjnMjBmIQQmAIr2d3ZNFAlnywlBsBwalTD_.g0.3PswASSjtt1oP5BWIZT_xDTy4.8mSbylJXd9oCy5GfrC83lTnqE_3xfN5aAxYgUFdMbAlrIlYHpJmhWPtVNl1VARnzy3gM1jf4wg2ezAY4hpmoliI9mVFw5qtx.2UpaJGgId6X4N.vsupyT5D28C_PBDAwtZE_U22AlTH0fxwcZdmYb9YhR.CPnJMpWzb4euuPiVOnpgv3NNv9aieqqgs55F6RtheJlJrbIKmKsYSNNP5HYliyWcZO052nHlgSKPHNMK42mGs5jJrvgOyQho4GnzJj.cDBNiPOsH.EvFRyIR9Ly4AlcQCHkdZoLCcILYpJenZzLny261ffwHpfuttiVL7aSptpX0e4uJB0lLMklDWNfGN1o8ng3AmHenJlKeD3tgTQKLyzTQjn4KvAOOBMtK1R_yj4aTrN0ofeKYemO74vRjde5S2B11T007CWaNJ7PDL2DAU7mPMvhTruPYOoGQgGB6FAHTeGqsNyfiRzITRHk6_a_O4yJm1LSskou1098fvHJuKfcdSvEiPDPffKfAI6HDXqFBzB6ZfzR.chelmswUtP8aTVsa0drGItb1oFVMgQmxUXPEzukrOmWs_mY42igdcA9s8YGmSu8hL9WXXcpUin9FSztWiFplTuluMDYcfWG4F1icwEgvRcyZgGkIKDl6ty6fkjd1ygz2gC4WsqNF.8Z7J.J0BohC7NnYDHvjZ5RD1l0FUGrWp1rmRn4w991iuwh96bOLGJT6L0IKfEqt7UroiQnS_1HDxBPl_B.A5Y_JCCyB9759VLehWU61uqOlQgVF_HCZpWHgFFBv3v.Lmg3QJFUWxggM9z5XUy9I5YB23SB_kn0e.93PPj7zZqcSuQl74AmJvadUGopwHvFH3UkXtTN2YiirC19BI4CkuX9cxQrWatXJhlCWAZfNiWG1kgJ4MXvcXIMUmJYGaWzipedumWurmEdR1tGxy2uKU72D3W3E283VVLGEHqZ8gA3LkLmEYsFhDCgQkEuU_33lJlFLIq6cYWuupKONI2TiHU4_oz21d_C.vAhXnC0AYaUSPaEbw9Hv6wkRj482SDmK7aOVh7WaARm7wefKH3Fi_WZWdmbjIDJxIW8RdjNnKEKCA3AFoYzhSyMupwGB1lUjZMT2TNObj8gXxxaVdn9U6g47DM.fiMfgyBF84zyh0o9c_IIgHLmJYS2x6ojllq165tMQvtKb2gxqb50EWXduXjpcRuk4GUquDiofOupGRPOlqCayWHNOOvtfWYbgOEPWH8dwurBZvZ7.rU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=910ac56aa9a1ff00';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\/8613042597?__cf_chl_rt_tk=tSi1mBMDx4EZrPamBGErIfYc3TwtC1VjCdtXq5IuyEI-1739344354-1.0.1.1-w1RcH.yLOCK1Peqiw77UUyYgyI7vhXOZrdtVyqpl_XY" + 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