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-affmk39ja.mit-edu.top/post/8109736542

  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-affmk39ja.mit-edu.top",cType: 'managed',cRay: '911039ad8cf3e5ed',cH: 'l8BY20jS6zFaA2PMoof62tfGeu6Ms5UyJ3b5xPk6t4E-1739401545-1.2.1.1-KaPYAOWNkRarvMCqFfac_JyDKWSu683c_.VXlpLBK6nVNMvakDVyLd.BOYMPQJOf',cUPMDTk: "\/post\/8109736542?__cf_chl_tk=.Fk1xo27OztIeaeL.oL3JIH5ujziJCIJAcCjC6YijAs-1739401545-1.0.1.1-wfw.2a5VzG.D4E4Vkpy96aelkyLtOlDJfZFh3YAc2bY",cFPWv: 'b',cITimeS: '1739401545',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8109736542?__cf_chl_f_tk=.Fk1xo27OztIeaeL.oL3JIH5ujziJCIJAcCjC6YijAs-1739401545-1.0.1.1-wfw.2a5VzG.D4E4Vkpy96aelkyLtOlDJfZFh3YAc2bY",md: "4O6ZyqEpaJL0nul5tNPa4GdnlVAYdurrebWCMWpqikk-1739401545-1.2.1.1-z2rvzpku.28Uo6ezU7YBH3BC27U8UFdPZNT50eLzYY8CVThGpGFBWQrBY5tLxPStFm2_ckS5I40_pwsuO3kKqvWRkKNx_5SHA_KcbutXOQ8yNp4xR7imAfRkGzRyApUTkhACR8EtF_WLaw_LbfRVvGUH7Ou9adgYHbwlWv686rL6Y6tw6PthaKpkZM2n.yOiErCvEs8FYk53fdnVpBUHe0xWIqEdPx4gdHdB4N__mxz1LQuG6.1J5YQTi9fG.vwKlf9iTMZzB24IO.Ifl0u4AT8hr4G6OsHPKzErs9524GDOTSRa6J2DHPFNqVszwYM9joA0yddayNUXCi882gQkuTPJm2xJC.jSFJzCNguX3O3K.Gt_HybH0l.dd0XGkDXp_WvYEjEevrkH.IkoWDWD53CM448CEDsgtX4Fzi2qJx4W89Ut9UihYh_nWSSBeK2YIlKVFS3mBSQ30idrb8N35CiKZ2U3hYwWU83QSAUeXstT8nDslS7PydKfODQOz8nD0bFggWpfdexl.GY2hOvtvBeoD_h3nYQIibfdy.F_GzNLnhhPgXrESFolZxLOUbSDWLVZecydFw1SKULAEu7WqJNt3F7WsuAtYDh6LF5aCRINgIDWitWdUVn4Di6sPXP3C7FaMxCKRRsIm9T8L8ZSwINq1sejXhn0SPy13SCq9FNQ0qB.skBDHHyZXX0CX15jjVoUj8FpoaksTkLdGu0sQHOsEOCpNvjAqCJ0S9aq6bBmMupU8P0qVol87vv6Et6HPbLwed1qUGgJZJKo3gDOr49kezLfoD_LSGH75s.nwAoMTWO76YOPdrAwkWCIzq6YAciwqT2WxeoXj849WMSE.eoncf2Yss9IJE02h6rDv2EZzkKr03Kbk3EKcw8a3mWHhUwFIXNTbL0DUBjQ8IgFarOKpIPWMmd6X2B_sGQsAR60I.sUhnWCxoxjQW.1JjdIEKjUjS.4DXPJNO23QEBW7CwGFpwBjY1LJsE9m.DHDAqESjWaG_gVjbA9A8POGPHQIkc2D.QJurSXXkyVuzAzG5Hp2TolxC8c.El0aqTBYvColkO0XygxcnX6UzyuEYTuJ7MWT85sBepNABzcu_0.SM3rJjP.evgEV_pe2b9Yc5W6J4HgQPxiLGtcFDKGkL2QCXye0YgDW6M6FKDfwb_m3bCmLzM96BeETT2tyMMs0h2r2x55D8oX7x2pjkAslMkYjZT19FJF26P8j1sccNVqfdBpHieusHa68vHCyAKhLpu7ht99J5rqvhxJVOJL0fQcvGlWSLEhGs4ue.l4lyUo4f.UeYjNyoNov1lUCP_.JZe16pB3llzPXxBXmoR8NxemRZS8X1i_a4KkUzfyrqRO6MV481IzsyMMIYgssjub1xD_gwXuxJ9GX.Ff4vYgfmkWOQ7IFlIQAjenvSCxyZ1gxyhf5JO0ke_PM0UAkAOTI_mTQE4n9xbcm51L14oT_skio5aqYJkBmv.3mOf0UwFGjyGkR5t8bhSwuE69WIEuLYIgyxYymwyaw0qUZGytLG60PS5hAEr6AxME3cXvEtCDe_Hs.twgoSAXWyiQObS4lIoQ_iPleBJMb3npT4ov0xq3YcxGkOMIsvocmt9TLxTy5Lq4OqJUwVCTlfDiN_mgsDOjIL1sB55HSrpAX4tf4YYWbNQ8FQ6NXr_4Km0ToCyDy8H_0BNxrSCr7JnSrtoubk4wc3Guu32gjXAQaH1dau0_V7xLKd8NmVb369joB1DHmfeMpbnIVeeivX4FWuPjuKSKY_e7_DpUpB7Ew_xhXq_x6.9yGIGcU.0WQaU3676vlHd3LAh_YVMHm.2YWmOC8CVW7jvnd.K6Sgs7TKqmBiMQlJRfj5PS2i5NxngVOdJKWwbEPm8qb7sP3ozZq2z46OzT1QERIVsHeKIi7Vk3fGWZboztBWMHoXxaouKUyr8KTg9baaD2fO9it8EbYmFW8BCwZy4IYt2z12GyutIsJlRJK28mhsAZ_6ywYEFcfABX2rCq4MwJ.s.PrjAjIWV0s.z2mkdbrQDyLejh.el1mYhGekNDzjgOPRSf7ZVgGwkP7Bqmbp1ZNHvapLsCxDj6vD.fpOsJU2_kyCRUj8dG4rjGID5_7JMzGpcRa5I4BIFMuTbZTujDPcYhaL4ysWAfA0C1japbJkv9glMUCv2XsSmvbZlmhLLNPHemO9f5T_D9yJs7G9Sv4W2A0kMY1OKPmRlZZKFWnPwi8KXTPklgghTC",mdrd: "Y6UrqwPsjJc6uelSrqw8ve9d6WaAegIBgxkjl4r7jUI-1739401545-1.2.1.1-HwFi4u7cMx_jxF3qczimIs4mY6DDIIdzqxhpdTQgXAmwj0pR93jSeidF1o8lEYd8R1QkGnOXNLStFyE2Ad2SfVONcQ_H2mzuTA.46gPKOIukBvwf8w7zl77gJPtZOokCrw97yjlk4dRpaFN2dGGXNfl76LHmjJXbQHXK1iBQppbeZ4ZtFYEKTClIlAUI7kk45SMkx8doSbg1XfS_2h2xmmzS_keff1epMcdmk9BgNFn88htGq6mG7U4k_Bs.ehm0EsEZjLAPhnwIvK.QBsI4i0xTqsxY6eVSBqazfRRQpfQb2dp_RWn01fUsqrmwohh9DpZOralUgsIk0gUgQn5uVWpFCpFEOh7pHc864ydMh_VTTfPW6Ycz.cMr1C_ZDiGJIrh45ektSVNiIOSHz3k5eEQW1kRjDOCLjkNTVCJjqqzhsv6FZZuq1y_pR2YZYOrmofEXNdvKQdmSzYwszQAysyPl_QHtTaIY_BY1B4jqSkDIell8FmpTrysZZ18EFBqw1TinFXRl2Wp2wsRWEO5HOEOw4caQ28CoCehi4WIjiTrKgyhax.4xCtqMyVY1NIDEQljeZKF.CLzVOyV8QAt7Q_qlE2OJMaXzsBwNolPQQ2e0ucOqbJWkP7U6eAlFvgNGv0T8Y4jITZ9Z36qHZicfN1nJP.cenwYia9wtoiw4_Li3bprIY67vJLomf3DY6Uj87K3.uZUdqvkPYslc0Jd7KUFRRkqhncyB9tJznR5_GtyMbmptgU.Fz8EmhDrxIVH2Xd3fXp82gZOx7wth7eBGTR7HC1cFCrHv4HX6fhxgoJVlxKCyxWhZDoEbnkpTU0y8Vp2x1dfTTXprdM3xtcNt4iwSPgDhkF93nznhOtUu5.ENaHV2M2Xfqd_1x_dmT2ulItrqB3lFsySKjKqZFLmzoW5pvDrGD1ZJRlvhyamOC7BLxSwkz8HmTLEuTgbO0xt0lBkeQxbnUEZPyR9n1uW0dMfRagKDK6QoS5H35IAq7YxhxvblMOfAsYf.VvxXlbBbsl7nXI3rPSDA8Io6vvBlrBJs3LmfGoPBzS.ARONCzoVpZT6WAlFWq26HtDtefwgf2Cnjka1zMJW0rT4hu_5aHk2LrcWrj9.kV.S9UyQBsUg.6og925AUWKEaxgcdrliFIrT_MMvgz6UURL6z_o48UWlgiVSR.k0Q846G9ob8ZkjK0h4Lx9V0ytqCk50epT0iZLzTDIu.iJhNuVuPxA843V1z21GjUuG.rBMguv_yCA6fMkLKWUp6F4J1wtd1M2K6eBc8RTtIrQmUujokn.kusFOkCA7qUtddqJzqKMz9Ezm07gW5xBSkhz57eaXx2gjijHhu6BQ2iUwrMNJS.VioxVCkrj_0ZcWXj7w1aOPc9U6J0MRozhW.RCIeK3JyHnrk88xiy.ZjuX0wu1pW8TlUJob84leRgwbdcY1m95FIrKWp69kreiJseqZnH4Of3zx1irTaUfV8nXGLgk2mGIQ9jf7XfuHhlXKSBQSPfx3J.sTIeWMgKBO_YnxkO.eHBFpjcoF0YoH39SbOzv6z_akq9l0cp.5cCY0dcHg6yPgY4QCD_dSgb3lGp3505mvKURFcf8M_3apwvJw2hDSTuYYM9sWphQ4R_AdJgxRdpSAJLQDeFOzDd9ghVi.E6WfdV1u5aduHmJSgQPxX63qubKB.08ZspBUhOu94jZEgoSFIZ2orPOJbIWcFX6uPwk_XtZzqFycX8Xv4THz2r7Yk9h0c9CccElPR33dcNaea_88Yz4.8i3Om_ibta3JXsAj23LiSxtm74ZgIWWm2qL.x8ZxfzA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911039ad8cf3e5ed';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\/8109736542?__cf_chl_rt_tk=.Fk1xo27OztIeaeL.oL3JIH5ujziJCIJAcCjC6YijAs-1739401545-1.0.1.1-wfw.2a5VzG.D4E4Vkpy96aelkyLtOlDJfZFh3YAc2bY" + 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