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-420041066269.mit-edu.top/post/5389241607

  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-420041066269.mit-edu.top",cType: 'managed',cRay: '90f6a9939d5af289',cH: 'Hr8hQ2I7r9IGg6Nsw48CVCz5S2DGYjJfx65oMLowxA0-1739133499-1.2.1.1-3.Q.XFe7gzIzRZiPpryVitVWCcz26XgcrcBZ3gWCa7kwbu4ns4HuPgiQfe_4Ww.Q',cUPMDTk: "\/post\/5389241607?__cf_chl_tk=r3wrioxXhzvmoNpBW0DHK8VorZ1ZQlQdTgOhNZ4yyDY-1739133499-1.0.1.1-ddYQ6TFBEv_mtgHT3aIP1CD4beBt3rDJAW63KispWD8",cFPWv: 'g',cITimeS: '1739133499',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5389241607?__cf_chl_f_tk=r3wrioxXhzvmoNpBW0DHK8VorZ1ZQlQdTgOhNZ4yyDY-1739133499-1.0.1.1-ddYQ6TFBEv_mtgHT3aIP1CD4beBt3rDJAW63KispWD8",md: "ggj0KhvfucBJvsOgbs42nnOytppNca_vvQK5j0Sjs04-1739133499-1.2.1.1-dt4pKxCa4NPZlDb0YXsDyf1wU_Ni.l_5pbLHPdBx9uCoVfrYH.mbGDCa4jdNJcnwkcL0cfvS0VRpbF9vmrJSwJvL3_u..f53EyRTl9xk49mX1n9VXDbsvx0a9jRWWhrnx6DvgTDtW96p4eXK0zaLajLQhiFlJ.S.O95J.hMMcsbeTHM1nVgg.BMjyyNk0uAHHWFubjIEuatpxLIQJYEAGynlR2v2bNePSlGrLckVG7V8dtyhKIJJK5WMtn2Y5rr.MWE7I.K_y4TOwZsVOUIaOuiBpsett5pBEeMDswejjq2o_h_ltTAFboVSwkc7kHb.H3zc3OcEkM4myuHxaDouTALEKbTO_xfSL_bWAsf4C.KL2qW9TV5CAV7aNqwN9iOx1WsbD9eOMY.FKrWKP_7deKyhdrnV7C6ydTcG2_WRxbYjj.umI8va8JI31sjKWdIe2Bkgaalh9R26JeZjZJkpf5ePW6QUSZLeO44oGfZLuszaP96zrqCW6z2b4R39l15E7w6HWHtK0qxkzUHpeuYoTpZaEfWLHL_nw5OUWzxhnEup9CO9p_DE2wXSw8Bmaz2jRQFuLtgpkPZ2Hf76HwSVrWraaHvIjkN01G0YzABi7z6eGt7TT9HEeeg6gXh4OAmvHwVvQLjsN.ku4zdLQj0RNQOqCgrLbAZroR75R1dIi_1cjE28nXWFE.8GSbkE.RQuj.TYDwvPqHCJs9A4nmmymae7cRDIek4PeimVk6eC1gsBDZLOmuqozRQgOpjo5mTNNTXH3ayQ8o79nvZHjP0SME5ndFA1LLG0pPkc2ppteewpp0MdU8bS05Bg8LUZg2CxGc3fvlvPntQekTSqjZxuQkEz2X2ipYOt37NDuNO78Fq201qY.a4xO2DGxcG3sOysYVgLhlXXerSXaPO_pzcXwICQLi5dlaP.RwGZKen4.6MAhTbRPMm1OghVTOJ2ZezyjyDCc.TgChM.Cb.l9Llaws9q3XdoHa14E9DJLinO5WO3d5rneencxBAdBct1ReUDGLPbT1okhKvaXP2MZTOPaNVuPKn84Zl51H72dF1DxyVdDuyXMqXMz3SdHAdlvpZ5FE9YXO3SD4255qNIelV2UGb9S.kPpxgvvVyHL9H4FiJivxT9B2WkKdK5P8CPcGQdzQH0efd88rQGKBkNgPnFr.HefEAb4k3g7ossajdlgcnITeWNmMsRpHVsWuNrFfEdGCOofBshFxpDOYdqQquXgxvo2x_WsOsDHk_xFuEIOIc7pRN569e.Rp88n1LHIbRKX183ZEXo6pX.9dV27pnbTg9Ntf9IdkUnfhPP56gfk_XdGennAHZTc02oKGxJq0W25aiUfWuxX2W1OoPmNAfoxUNRV9lbKodBeM4PP.G.GWeBOnrnLkfIAVBLNDRwSgxp0ib4hOhdyDbwc3G_wbljkECaz2z523gJe7JTz54yDFikC2V3FhzIYhc.N.XTi1OOFQZ9hj5HklOLwN0U8bhjsP9LuCleTsRTH7xXKu9FpmxwjkO.VD8B2ncTP10CaFd8GWakgieadnk49EFoQM41UPNxsEX7iCnTMLnyFZ6f2Wc3TaFTEG52yN40KL7rQrTGZZhl0dut_95CDSBQNlWTGpuPdufwrVCiebDpCzbGTWiP5A0soWm5Zkf2f9FXOD8DlXd.x3BRDFOLVRCJVRrI5addgT8QPzKgKoSmphK6R68fA6cLB4I0zmXSl98z3y3Y7h5cgwcNdeyfdXsl_83cjTo.HUalaarbsMfN2VSkahcmnNFKM1.XsWFDxS.M_jGvz6r9uA1zQU7bXGvEsNH3QPpGCkJFhST61afdavmeH_7tp9qLatLvXfIQoN2V7F4WdiLZ3fKFcbLKEsglzxNLarFR4iuQ3m.LHJuVhQqCg6A.ufeyoOMcdX9Wbt2nPskRRasechI3LaV.x7kw9iSvfRY.neYgk3ihesDUeYx5.DprwxRNalPvHxrY2iRr.nqVLVtXEt1Jc26AmCo2DydtZoIKfBHLrUNsyUSOrOVBypncN6PTgbGhxqwBCzD.2wy8HYxEsua0TDzmGiO.jmpzYbM3bs_dauHA1i_ZRfvi_qsRLUMOtKeM7lbcOuB9svx57be2s6It.KUgr7nAJDz1akXSMvoSCz6cH.L1d8wNIj_FV9WqGJcZksYTfQMXCVAmWciZAEA.IsBNBWxmOsRAHXpifVRNvZSt7fNveCk3kgNkjxk6pGNpsshDdwGCqQJj",mdrd: "n53QWmyq225tti5rPDdrOoMss.S9eqw_wDjZFCl57K0-1739133499-1.2.1.1-GNAXobsrGXL3VUzrbO5EE.SMxDxgPgNifI9i.e8BqjLteum5DMly.yEW.gLCLUEqETBTb_dz2_4kjSaOvKsvwlYgQqATq_LfobbFCSJZfFfMjCMjWnbw32nNFEODiW6LLuc7Ego5lSQ75HH7UJcfQNHtI1P.f9HhIV1xB7DUQJ84EmOKLC_FuZLtIhqqdSCRAy739K1GuiFhdySo4hCcPMjj2dqa.kmGeSkxmfnfF4XmryNeXH0i3d20gmosnAqxmW0cPpjLEl_6F8o9I7P.jIqQdckz3As8yJMFOruw7CyT3aADYWWqp5PAZzdF6BvwGfMhS7mmunKZEr8FjBjm2YOVkRMJLVTNeoetejK0XaM6_HpYaPjtyerYwL2yZ_RDA0JlmFSLfwTTfoRNayLdQ_jxjIW4JUYJfgE3BnESimy_QjoVqvH2owKA4aDObyjwvS5omIMJBQ0snXa1GYGz.Zbqt1BP7EMxECbP3w3dPkxsgEY_cEXj12GYGKfEeCtw1XP8dgaAaYdjX8T8AKRXUFXc7tbOHnP0msCQLXZpFU9ViH4PVQSR9BY29iDvaP0JYwaQvw.qRcBEl9FjGUFOU9GSV4LB84vwIZNf4a8Mur9fWjusGDLH6eUEBkq9H4C4DxSbTkR.PfjDgVyuISnAShBsj9Lb5a6XU8RN.T3f6hwxwWvrAOnu93SWOSMJPCxeEm332dD.knkZidpEJpPeSNjwuT2YcJIkOlZdE5_V._PE7ALkKDkvCDyhxBsdmfNPiC8d0m._Rlt8aIiS5RKJSHISmMgAFQbZTNwKBowYzIMjkZ._U6Z_Khu2P7kS6CFZSSg1SW4LESWla4vIbAA4EpwsqlYS8XqNyECjK1X6nY5koKmmQPgc2f4Z.td1ENFhXbMKwFavACNHs7aRxpqXHx2OWsSn_qet6i6tp09SiFLg9UBVakkbUFpcV1cQllWI5O.GfMaSL8GTzXfDCv0w49GfaMkE2u110ke4ky4VIaP2mrlXttf7f2hfoIsJCVb12FYZd_BOBN0mh8mUZRM.tj9ASMfzmCeAPNm1KGxBNH3gI4PZBgqwrELRsAeu4DidtapWw3ac9tJ0vQNrmlX2FM.x4hnFAqcr03GbJKP_2J2olJ.NpfTlbB6z7e586.vZcylLUZ8SPgvtK.lPtbWdcPodU9qu007_4VAu3deHhbLg95OmljadQCj43Jn9Q3AQABd4y79Tzz.u455Z_y3qKl62LqJezMKfOPvhO0KGsK5Q6B4zuRLOXl2GNEBtxlj1rQUVsWwNmwlKlI8Emw2GpisYxpiqoi2D5PcyCCvCDqhCyQJ2yYsTKIK53lv_GnuZHZHeMXIkBlqvd4bs4knFs2oveqEwWnqAkGdeLVl_EgvcBqGPW9RqACULGU0Ouswl7E9YQDWwAMGsMJwa0ep9Jj4rG2ic2U4qCxfpIkZYUcaA2zbQU2kRFbuzAnpIMY1HJ8dR8.86aB8IIGVHptIOdO7zVNXvys0uzYqq6KeDsKLUZb79ocFlXiocSxtT63oPA.LoGdU1WLB3rJK9qCPlLR3BuWr8Sm.JrLJeGLsHV5FxUshf9Sy0Fb7nOpghgUQxZZ6ERLgOnufnar37zpHKfVQays9jxQBlVDIN6pVGxODs6DZMoJhdgxULe_9tkjtiX9WlnX6qFCr6nK2ZcnlR4abWGA2IdtNlJV5MDnfdbcsvg0Y7zryYqXwzyOb0aNVRpf3sqNduuYwWuyNAhwx4eQZshKMBJS71Usx2mDzH4zq.QJgCH1_ex91XfH0K4yRAn_W7j.imk8UtLQKqPlsgOglvocbCjixrPuNygLKdh2A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6a9939d5af289';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\/5389241607?__cf_chl_rt_tk=r3wrioxXhzvmoNpBW0DHK8VorZ1ZQlQdTgOhNZ4yyDY-1739133499-1.0.1.1-ddYQ6TFBEv_mtgHT3aIP1CD4beBt3rDJAW63KispWD8" + 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