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-204464671709.mit-edu.top/post/0415892376

  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-204464671709.mit-edu.top",cType: 'managed',cRay: '90f3af88ce8e8009',cH: '9V0SiHLrDR5nrxVmvlkBDyYdLXhvQpYG8mU5h2lfkRc-1739102286-1.2.1.1-PouBXcPIdnsmq2RRttsRiZBrYaFcGJY7S6Zb1ZLbsho.Uhco5ehdK2kmbkeXtyAn',cUPMDTk: "\/post\/0415892376?__cf_chl_tk=zANyn.ciGbVnfHJiXdQw7wa4o0IT_XwPf.BctCx2LJM-1739102286-1.0.1.1-.3eliOtA6ZvXm4mIv65If_4LJ7FUqwVSXaDsvstfjXo",cFPWv: 'g',cITimeS: '1739102286',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0415892376?__cf_chl_f_tk=zANyn.ciGbVnfHJiXdQw7wa4o0IT_XwPf.BctCx2LJM-1739102286-1.0.1.1-.3eliOtA6ZvXm4mIv65If_4LJ7FUqwVSXaDsvstfjXo",md: "7NCY8XdlfuVgHSC6wa7milSx2lfuO_s_KpsuTDwe_b8-1739102286-1.2.1.1-3trH2yFZsOb.CNJILMrxV_JUwHKuyANCt_16P2ajgbBOqZVio7XBMztVAuVVSR7Y1EPatQhKCEkDUAV5OGInw7XbYlXBIVLAApUaDCSz9B8DGcJaaGNeFXZTb5l6mwg8xDSTS3cPbGVYLIvQmZqu5skqNDf7DkLCI_1cIv_vFklBYn4MYVlj9jgg0LCqW6jllObbo.w5n3cAWvklzMAlTguKzbOcUUrUFKG.kJuE6_oOIJHH9CWJIZ3LAYKGN0my5q0u6qVsp6l7AfsBSRrTsoVnBFtZgT_74IIE7NMYtXm8nJrxYM9dMcjjOaSTS43a41cLYOBNALhl2enMn.Z7vVhZJWtVynW9YijCDM9R22UsmRJfIH7R_uBCYSvIT8XYxPd36L8SmIeHDPaNv.rnkqzEUF7kUEAGHPxg6YECvwie3us0ux6iUYAayLhjt57EM6cy0WoG9YkvrJIDO0TktfnxSuoDe0kKFL3P5XdjLHaoWB05TFNbFeZKMnxC26EOrpiqv0heFh11Vl4IFZ4PPOjWMD1CSLe58lvaQSQx9.Qj3AHND7NlpAmBjvAG4tIM6ZIinoZZi6DZBz.umW05B49tBV14f230FS.Vfb7uZRW0CmT_U7eGLyfBdnBLiRGoeiAhzyxpGjXwCJAKaX7UW53EPXxgRwOWM27dgEJaD.aupZRG9r.fsm8.BAd7O_8TDDonZqeG6v86rEL9eOBgwIOH0zys3G2lpZXozAwl1GSnQ7topZgjeQjYYGmfsjNtHkP8KWSw1GKeBeimTzePi_852oWWE7hEWax5M5.WJQ.EjJGForJuHAuiwim2TqT6VOND.PF33ICyH88n72nqJENB4SwJajXUP8CMqAQrxUxjBhDtwhJIu3EGMtIOQKEQrMK.a4YKvwcttdIazNdoHgfZNin_Oin6_Xc32xIg1t1uvbxIkpeqNr5j1hLV4_In8u9WKeLAymdltCRhWS2aPo17AzSKSrgMNL9fztsSejDbPU8feR5Mi7_.hciYBWPiu3d3rarCy90eGgL1oZOZstwV.1MGLQBp5ynNHet.ezu6QyTOB0L86j.tBkX51mGA.iLeQx5KpjffXQp7_dJGlB7Z5RFv2waZbDUaNRrZNGesJtHertx_r2qyUEJ5L9mtq659zvZ5236cvJulJ.3_Uti91gnJ1NaFbG2RPX7lK0_Q_8uRHC.20uh44iX_TJ0_VuwokPxhF5JlV9uzrHJ0yNE3Y_FB7xXBuD6UA0sJcNF3LUl.n68eRh8_iD4p8p2lngCP4d.343keeSLC9S66Fd47vd.KUUYm3VdqE9iAVhZj2vIwMZtZf.pbpPDGnMxvyS572mV27ym8AlQFRtm5nzKRxJ5SBa2BL7mYSfz9EG.ebkFWY_.L9j5jmbOcjxKMu9WTlmcrKcKP_Z9hi0Kuk2LFycgQoLH_OzjEjdFqhdhdw82zjY8WdyX2..Dt196i4.MaDjugfiasU77QOvjmfDPFkOMLdp1pT.ifF8c62f_i72cuQBEp8iVB6oyE4z.EHcSyLTtBX.OnuTBq7.KfFZMMROakuO3OsypwyPfMmUdYCp_yYzT.K8fL6cgvG1Fy178VtUjOiwn0jINxz2iaiG9bZBZOkLceW.VMfTAwlaVF.s1RaoFCmSWbnb8o1zRWkgEIAh2ahY3YL0juRqwgXf77N9eqPFeFHayZy1sN13nfmp8LKUf8rkkKxE8luGeu127UY6T0vfdUTOwEROtpSI1zX6Sr74I6u3Y_J8s5D18_d7KffdKR2A3MBHcSnRul07uDNozmhQ3XR7oIzDJg6.hdlv4tSP_gzZ3QN0v_3yohSRgHmxZ9nI3smUpPO9ndgTPaMkvajGF0gFyjh5.kfw_Ju2Aef.sTV18XIYhkl9dT8DYaTOR497ZpvvkDALBfot08gu2fBhBoEbHOVfy3vUkRmR8guyZByBnbqquXI2CRjZwwW69a5QPAMQGhuAa_zp4SrRJzwKz9Kb7ibjK3Lg.Cr9xqx0gXt4A0vAYxkFzdse.oEmb0W4HkiEAUJOY1tPiUhcAMykhmFHWFOAdxleJJa7E8SU8bkA_AyrCNaA7GwBbtoZMozO0rhn1AB3VGOGRVZOlv2ditD8DY2OHyZYtkvk1ln7wrk88e0n2jy_yt1q7qYkxVCBBQjijRXeXbxycsy_gdz_RBGyXU8K9TYflSgUtjMYawbHfkrdExSLPoMayCF1HuGQLhtUyVfuJX",mdrd: "u4SpeNgfda8aQ_3Pdw5fHuDfHydcEhNaOyWE2tj.Tk0-1739102286-1.2.1.1-ZN5q1mQ3zVreYjI_AIY8.5PUoqddRrWKljZHT_s74WL5jSq_IzopnLzYEB3wLvhfEwVXgbOZWl8o8wq9Nroe4HTyKhl6ddXFH458TB52yAJGGjYOruGEuD8gBvXM9JoIfdSXNL7uFen__1n.tva7Y8tTnDdVqgX0xcJqQgFs.33_GMIhcQxx2lH2rR5ecrWs5iG.6RFrej.JPpmXCpVFlze_0j21HxpS8tlKGqoiTyaXNYRPNtIOFF7yyl7f7iNmlVFBwYq314jq8.5OL_orT1pxadbW7g6ic0qQwIw8eG7w_cujv8xRwrv54IUMD9KlrUYo2I8HuXeutbInn9Bvk5djOajA1ugX.AC0M_Ab_gk.7.fEg0VIpx96_PUz28d4DgKBw4nxhgIl4hJMPrlmKz58gULdRQYo09WZuhsZx6f.saZtc15hSofKaxmOv4LDnXoNbX8AOfAfpl.DkvI5qfrFDpAjANbjdSn0eLRmRLu_WKxGmkJKNIEFRCRWCyC91YM7rhCF_8M8icn.kwxswqJ6EY2796gi6Lcn_2sgwvXCEr7fcYoaJdwq9v4FtvNeFSagbRTBaFhfEchSzwc.W.cH589O4QmkVI1_aZtkcSSWbPWLde73ooM9HMyCuzvAVR5JmahdXwwkDMC7ePoYewH.CeLtQIakrhgYpnYvlGqYqeMZZX9wfHwzW1.HEErmWz8Q1Eth9Z_A3W3l4LMfQeORcF_msKtY07gIeDfzKvtjQSTFGo4NnZhSZLmdXGpRcGfw9DucNjpbOFTO5Ss2JFilmwvsK6zczyTrY6JIERlwF94hMZWH6BUnYzBYBiJZyO1wj46qCHl3cJe7CyWQ3.rGpxtk9WfoDWXJNvdL53qtxcJS69GVWXFi5byRMKs7klKYHZTcm6wjNiCFeW1_4Vg8pIQqxj0PaCDYuEQnWldv04SXhqbUnOmHOl5FsbNypahwzzLonvjF68quB.z_IV47dwqrDPWhYAMI3BFS3lckZKHXIvQDjmpczlt2iS4R6aqRVmYxpzz02RvDwIwYxAEe9XeFE7LcE6urDFwnjVF_.aAWvFcpP.JQEjId0.lwzvjtc5QPaJ4_OUoiTfpeQJVbqadZy2A5wgAkuLJ3cYygymlIOM3g.tv1qEhFRDAWRPB7KWm8eYx8S8.3qlMQNKEVp3FMgeO_f10xYOFcgTxPfPn2.vwWCGQbGOQQZwUqbkn0SQqrWHpJVtlkawz1wZIily8EhvdvHCz57_Br.MNd5lh6N1ifPmwA_IgBIxOAxXwOfgvMzSiw3knkpBouBZRqKXD5N1i82aIpuAdrKmg4HEGkgKCAkApCs95aNH556Exw91YiD5HYTKmla.cykPykiTURbRNm71eH2zHjW_KUpSUgUGJ918IAUfW6P7ocMPmlNbdCRo.V5gqEM2H_.DwEzgSppMzajBNyKU5yvADnoVi.8CX0cOZ0wuDBhbw2vkz2QEdQ3PVvHf5bnjqYqomMbAcMgvpr55Q8rfCNFmsdj4pLgCu_D0EOc_GTJ4uIc81aq7apy.MxL6ZosIm4ARMe_HUQ5TlEMnlj.pYojE6drdDtDCxMBQxTcNIaSn.aspizVEovbDuLkCxvI7Jv63ABFSJ93NQ2BRx8oATi0pGdO1mE3Fnwa9232U7stACdwbfVsHR7gQex0UEotum_0DQz1AIpjVMs03D5UGqmj7FRybf8cXFVOr09sRWtbtfZQb6cfKMkt1EQzo16n7u2k4vfyo9sphgnHIJflSHWzuCSZx2mHq.cRfjkEZJJTq1Gptsm11JXyudM8JJxWg_qOZiOqzYlZC96bly5IUddEqI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3af88ce8e8009';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\/0415892376?__cf_chl_rt_tk=zANyn.ciGbVnfHJiXdQw7wa4o0IT_XwPf.BctCx2LJM-1739102286-1.0.1.1-.3eliOtA6ZvXm4mIv65If_4LJ7FUqwVSXaDsvstfjXo" + 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