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-affxeqr1x.mit-edu.top/post/2497135608

  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-affxeqr1x.mit-edu.top",cType: 'managed',cRay: '90f6178c5d9b5a76',cH: '.903Nwnh9VLB0rQnGFoavqcKpznCmtZGBylxQNV.2.g-1739127518-1.2.1.1-_QV7XvEHTmTststJVI5mnxCNeVRwQCN0SGS42jQ2mcAvxaoNnhNLRmDQrjO0jGxd',cUPMDTk: "\/post\/2497135608?__cf_chl_tk=6lnHnZIM3jtkFO.VJXCUxrgLGjJhmTK1jhhB6mrD1bM-1739127518-1.0.1.1-5ih.q2BJOlt2CJPuWKtl38hYVdy8Je1W8Gs7EKCVUoE",cFPWv: 'g',cITimeS: '1739127518',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2497135608?__cf_chl_f_tk=6lnHnZIM3jtkFO.VJXCUxrgLGjJhmTK1jhhB6mrD1bM-1739127518-1.0.1.1-5ih.q2BJOlt2CJPuWKtl38hYVdy8Je1W8Gs7EKCVUoE",md: "w5dwocDR47gH4tS6MwQ7nf7yB8ihWz8c4oDJdM3Mn1k-1739127518-1.2.1.1-ZRWINyThACp0bR5IaZ70nmVfExYSHx2_pg4ebeYqKK8u5qMfj7RvgwJxR9vRJf_XIPEYmrxu6fISSUamGVCBuYW5ikT.RVoFTqOnsMokKe9dLE7GjR_myAB3aD4XMchaaOBEziRQQg6eMaTDd0gDeqzFv.dgRmhD9FPqX1OvT7jwtrhBihgiqZLnGOrrEOCDhSNn78rWckRKSI2bNVX2NuWmEZKmbJrmB1meD1SRauwCfsZhFRQami7ol16sxNf51CNMS7Bmno7Dc6jtkLVhsaBeD8t6RqaQUWBngVWH1K7i4z6ky.bV.hDRqCvvQM4hQOqwyVLIBZmU5vnANGkLbr2VBZF5OiowGVKVcchHUezY5peu7ivQPfSJPUJa8NAGuaUbpUdfeQyuTI4C14_ncBM.8SlWfwoEXEUtkoVHXGmsEB5FuCd3Z7ODCS3UI14eiG9DrY835ESQlARyPvKW5u_ZTC15Xmf2PsTvkBta_GuzCrev9BzPStzar0m5LVHbrDyno1aPT86federI1kGgD7fHrbalJ_b6NTkTvv5nx_Tfdw2jfauPsMdXQFabiQN7z1PyJ7c1gShp7dWd.6Q8Sbf4YQ9QAxS5G8AmJJRTocW0eALQRjYFkhYALbYsxE8vnusLRrLgBAyUgh7SLAjGBbKLKeHWy.kMz5yH.H022lzksmAXP1OalFDll2RGX66.hSJCtN7uXN0cb6A1NQ4eM_49bWQ4QefyyOQX1ScJKYCAIijrq2dh94YsppT2jmo_Dg0gXVE81GDtvmGo2dxXPv_0ap1PGOeIXOzTSAecGMTwVjQ.inhOIEsmuIe8ta6Pyht2iQpB1tWyPFImjnkjYLJB7fxOfwLHDHem8LqjKIwN0Sp9VGCt3Hi31Cp6zo2J87p5.eUcssq6_4vQTJ8wzd.i_ihw0bbCtLqSscc9rzfXvMGnkv99_BHQBeTa6cxO_QESoYRsJO2JLeIMkYNKR.XRBvViRZGy5HdY8HbwGkLWEqZavDk5ovB4bUgR8gAu9cBszbNqFnIsrWK8wUhxqLU0nBSSum3qxniBiTPUYm0x5Z2p9MtMDoRostvFcYEvqK1GIjQ33PJpBJPRw1zNhmq1WRWWMdzdx0N3KtC8Dln3l9AfYLaBsQJUtzWLMi9ir7EtD1MfphHYluTvwbNGGGre2vm.y0yPDscG4XqT1NJ5TQz.fvABz9rJt9B4G.9vp3Arhs_SecnoH0QVR4rsPnySk71POvJJ1yPlcus3ulrnc6DlZGyqDhgQLcLKVPBa2xfKKtIzjUZHkZ2ncSV4Cfs8tjNOr3dtxROEcUfyxu0Pl1tFo3dm0CPQIvofBgL7CWVbPBtGQ9F0jOzlKjYvBzR9hmxAMBe1dC9eS5wVfO6rz789k2d_1yBs95ML4vZ1P0FfxqGqvecNl72XeHdQmB6Nb3v8cOm3UAkaYVRanMGxYaJrKJI4ZifX7KNamQtmZCZZ.F_o0qBLHOgX_EQIDqhv63bWdCmVawVuPPBq4xtzafbMu7GOkeGdxzVxWiuk94xscHSXBoRGeDD1GuhJJtCHii.Jnf3gs5RK4p_fJEmz9LD8s7RQikKly6PzpfcZcG63dVe4gzzDvG4qu3gq8z7N8vjYs7nu8I3ebBIt1a8qK08o13c4a_NCZ_ZiGzdQKTj92gGBaA.9erdftk.fgvEwMY7g8xIMyZUNqgUUHUUnEep8LX5sCLxdqozre0cIr47vjjxEmYy9CtagJjjpSr0nIoizseBoLCpdMdETVkFZes5F0OYpZ9t9ZB9md14Mkmj_QYNalyQ7RfnZa5MVI3FO2RDWHGYgxsSpDjZKkJL7AQ943gTFJ163pmnrCUbna5cO7Raf9cds2rHNbcDjcUEMUlPgDAcKG89FBvJuO3D4BTq70xvnu7CwE.Z1xMltTTVZ4e3.MTC.7tha2g7AthkV2PjrNll2oFII0r4ylH27Ob7Z_pIHvU6aPbO7Om.bFtH1Xy7La5.tnF_tFMnXdsZmEs9cjn5MrsZpW.ZLrepqI159_TShNXwld_wkk_BVY_2KqPfSHhzyXWqOwW0idisgVOvdVBOGfmrR_flUUYG9hdH7tEDJDAmDE9tarRe0m242BOZf1dGM6wKXzz0skF5TGDBlA.zlqkOePahi_VH8v8phWyvHxcvOpA2eLxZsA8Q7Q7tUaRkvI4xLjVGO.3ThfTnogfNGYzPPB0ydhm5ljvpodbKvDsBll2fXAbA",mdrd: "iEJFhZibAOxKebEYkyuU98LgDA40GU60IVFeTs2jqa4-1739127518-1.2.1.1-i4xuYPs3rVGrLzcOEuzT.go4vJi7x64x8clgQbuuPOZ7RXc3a6REP2L0wuTAQPo4FuI1GJuxlPmTxJZE7W4P14aH.spUOeEYGrV84J55nUleSJwr0BwWOobSEVmSoGeWC8d5_Lbyqd6amccwgV_VK1zTDQqh5XaPr6MGC5VcgkKHURXHBjxg2dp96QPJAKkdWBsSanDStp6bSXtaOS6Qq8krnyuK8_yVknTg_XSOzLTpUlwZRBHud8tjrD_0yH9DPA4TS9M8pbkfTj7sbAbed45GLDgkRDrGk.LiePauKlNxFilYQzlN5ncMchV2CrDYrkon3Y1E8AT7d.bT7oWB8O2bl5BIYAeQYD5jo7FSoSanLSBZD2vEFyuZcIjaKV.dwyasFb29w0NoQIwWrnUZtP0QgjS60UlAujcLa32iVlmabtco0wRCuP2O..CPdNorXq_ObION71lOcPmcOrfwSi0ovnBsZurVxu83nuOT94Fp0XDcWovlSLHZFCqWwR_QPZXAqwUEITiHS02IbR7AMadFd1Y0niPcXsE3NT2MxGuYzwqx6Phy.ylTtlS_T59EeoIhksAjr2SC1D17wV9NIyNPW3l2Dj4gz_lB00aWJGeIqcH.2_2xpTYGhXEUn3tcPC6n3BKxLaqn1B.K8.a3zC2cDVv_MJapwG983wkRiyV1Y54qxw03_BFGPLa.jAvzBkGD0KgNEsph3RDd3CRZ3TkW4rEMfAz3P.L8Si8.3VONwr1n7lH0qT38w8uOuEi8CWrJFCQCsmhc.xsKRX2aM9HEturDWPlpd9vivyjcPjuIfbyy9vz4f2JHzWbq6z9K0ebaZyrEltdb97GZ5JBn.xVl4sKc6_720M0cAW1Kg4FtxdfnySGyjdIUHtJ6RrWkSRHqhPCRjTm2aOTnK_9s89aVXK7nxrF6UZNUqdrLMM001zfgfymqS10KGQTdOvcZdgfWOshV0pRIx7ftRtlUjBYPWF08sAzns8kODzl1nldXG4RSpZMEYHCl.ipH_dxZzUg_g5L1mu4RjxgC0xtHP1FfYPdZ4Xq3fDGsASAjN7.SmYdj8NXfxd90mClymIs1JvyvuGsxlxB6xbyNCAt8D.PHFp.javXDhFGd2fdcjHoLHT_zsLgXwW0Oqs2zUWerfv2JetFr6Gc03GldIIFTW3efXE5wLVEofrAObalQGdlAscuguyAIGCWWNJOuoLB1nntusmlc.4L2KIPX8oMOxSDgUyn0xArc.uhtglxqVjJOKeybjx5tycvCLNdtSZsnGNKxTDxvoQUQxN_UdVUbncmDOUD8IXebGREG49LcB0Bn6nD32wsPd5xFqVayYRsTAL1pqtVB4Tc950xwn8oYNNCNiXwyQ99UIm1nWTGmwVzHKUc.Tbc34Hjvw6GydJdvvZQ3oUGwUcMm9CEW0nXWMno8wUmp5JIdxMXztACDttrcOPO.PJML4txKD.mJ_lg2nXNJqQci6PcOGze9sXWC9TJH9Ml02e4_MuxkCRv0.VMsV7mmJysocu3d1UTTg7sh1vzBgfF6m83gddcVTIB.ZRmtY3_.Jhx8bY9hoVAGU6CwjhlJjaUNqKa6Z81wDvjw5DwbIvoaOOiolQ7RUba8eyNM4q3axcatRU.i4RrhHVMHB_bdae6eCdVFpUh.liv7xrUDjxhBV9ukwhoFpyJC9vzobiuUEyIB2kbzgzD_Bogw4z2q6ep5E0ZExpkB0wmH_6_9IDJasD6ntmsg9IvXplomy.3m_YnmVzwoJAkXM133Q4IZEkgpPN5dyLa8JTESFdU8.HlBSyyp3J5Zopx2jw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f6178c5d9b5a76';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\/2497135608?__cf_chl_rt_tk=6lnHnZIM3jtkFO.VJXCUxrgLGjJhmTK1jhhB6mrD1bM-1739127518-1.0.1.1-5ih.q2BJOlt2CJPuWKtl38hYVdy8Je1W8Gs7EKCVUoE" + 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