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-259782242947.mit-edu.top/post/1379068245

  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-259782242947.mit-edu.top",cType: 'managed',cRay: '90f35e3d2be7ef5e',cH: 'GB50D4k3TLkQxj97GImu.BCXhQuBApoWvAadZAqTly4-1739098956-1.2.1.1-41.cIpfXKVwPbcdIgOqQGWrKDbiCmtGqtbCIe5JYkJZym1olWtcGuJybRH0sOBr2',cUPMDTk: "\/post\/1379068245?__cf_chl_tk=3WYbJsis6Tb5XjQJcfaDfxyOkDJlEuGKG4Y7QGow964-1739098956-1.0.1.1-2bmhD6gKzPGfNgqUJ5Y23XQRuKK6UQnB03sWTbN3B98",cFPWv: 'g',cITimeS: '1739098956',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1379068245?__cf_chl_f_tk=3WYbJsis6Tb5XjQJcfaDfxyOkDJlEuGKG4Y7QGow964-1739098956-1.0.1.1-2bmhD6gKzPGfNgqUJ5Y23XQRuKK6UQnB03sWTbN3B98",md: "3AMJ1dBha3fsQUj9GBJ_uSLGbp5LhyjAGluJz9c3gls-1739098956-1.2.1.1-knLNaXFt_eA1dPzNRFIKAo7Jx9i_uQwG8n7HmZIaDZi0WcEC9ZZmclRQ62HAXNcwuc3R881PJqqknm_hge.S.bXMXcQ8s_Lj8XGPGXktX4XM1.eBWfoxAlJv3Fd0NLCh5BZ1Z3oOU.xMtyLGdTPpm.g4o7Glm71dq03s2ynfJhQSwJG.3QxPFVTUlODz52ZTJ7onicr1UGhhqsbroxS_qS.pSalIcWODCEIlN9AhVo.d4zo_uCPCfuNO.fiuHwkMU1gREoiUKA9aKsOGqk.b_1ikXu0r8QnVWcilf9KXwECRwdqfFaDKCoVQhj2p6vXjO4q6cxyKCfKVETyf.UUZXS4EfHJ9bcYpevNH36sMUnRJ3d9hSGgTLRcizSse7_WfFDI1q.hAwIWhFRkfxrEk7fUxEftGJ4oCpUUXFx5pHlKBirYhQhHBpPfw4QLHY10hc6Hn1hRQP62m.cVNPs50vCZ4sEaDcA.Hy8SKD7sfSxxyJOBXBPA63sirt871s5TOxguxSOnPzvHyMnjztmWK8J6hj0pvg3OYM7hjwat8bJr2_u6kuzK9sAbMXN9WbFB7vubagGQTQYvX_hxtsWS_kPtKYVQVp976y_yLYGL5B0ynPJhoUd3jeA882OT0yDQPGXQGp78RFdIFyj6PfyspUt8Ge33BKaU8KD2biQP81aFBXFow8srOj4Ctb80U4dO03M7F0u_L8EUy795bIYeU8y5WFnCNinGZdaElbaKNnWScD2ZjBxfKzFS.h7gwC18gC5a4dgrzKZtXkBIz80vya2HiQTCVNan0B53K9vD_zu11aWXXCwhQcUEF.BLQRRGaOwwml_KVAYdAJhFyvmfUgxsxMqFB8o2N5VmtsuIpJU6QUfsxBGmIY30Oia33oIfti4SdopJD9NR9dPbRdT.qIYH4idH_H6xM2GzxKPdLoKthpj67UJsU9DgBOV3GuOVdsbP5su1fjqGESJXhr2mbkhRW.DCyRZKjsBVQ66IjcdIYnMulNoJuFW9_ZwmFGcUIDJRjbPy2ceh5f5sPhgG7e7T7hZAlsaxxcR8Lo5E6VCQ8euIgMOudaspzKtS6TgkqrYytm2cq20W8nl5jXj6G3JnbLDO.NkeyKtDsrbZk.sAM0RCyxg8B5bAfJeIVAapKPwHAFUQ9EpoiRg9vT_m0EzUpriG_1G3ll1tFjwmGuCO1elPsDnUzZMqxVBLBL_EVOU9BAwa7lpxJoyHdQjW4eBVai4H9ScYMSDVAWoR4I9aTwNi3JtTcp2XQinu34jSLJaP_UaFTU31r9nHclz0ZryV6yZGndLajK0tJ.MFdZo8hskTv8tZhqksTNhm8dnCZr4DEXystfSkDrUSmOI.KR0Ae_4kqxyrLzVhohN22u0LXhX8CYnUL0JW.b6QQOZkjuce5zzDFNnP.DZgsvhFlxy9sY1XHnS9bX2n76t6PFbU9fE1P1fHCe8wIBnW202rmNKcYCSzMhDZKJuU_KW0jT.pdXdQvAuh.PA9Y3pPwdd9qgi.tSkxylKXsBWi1jjIHRvB_BqlcQ.NW4HNgLgC_T0jC4AnIOGD2B0gwUKQN2vnyyWIz6S16RqncXs5PspwXXCLAPrqQWoCdZ3iPoxSjtMOm_4S0Nuq.mr8zatGiC8q79.ufMetpJ00bLHGj2KeFNhsAyvIWXsy8peJIAdkumh_TVMhW29OyjzZMMK3WBIV4FMfHxWo2EQ5JCtvan3SLo7q5Gqohb2EPpvPJ16044HF1ihtmDxivBIojrMg8YPwSIR1f._4fAaMnZxWfXoVuUTekMdI3eGKqm6Zq_yKDN91C8rGWXmvNuXkUJoZU0xrJmXN83BCQbOXJ1I0WgVVAkLWTCKJl08TIySq4SkTrPmK0UJgPxTN8Josppw4HfDoQaId5r0SZJPpstoI7ENQUdAEis8LStswZO9AjQRj7QcNezB5tn9FUlRKWeTgdGmyBYKPOHc6J2qQcYGNR6wesIaUf3D1DKBdPp.nrGJoRiGeZWQqctexxpLn4Q3wl2h_YqTBCDBl4LKUP1O3RP5MiQzy5pHVoeKJXwJMcrJLI_ulDwZQY_EJPMeD3NXgTxbRQrZjVjbZpZLYo8VMN_CIM6opfzHxllihBdBO5UgmB_Z5pvgVOuLih9pbF8bH0bwDpQtzWYcwGDyH7qvO7pjqDNYupfaT.lAF1XwrNrG7cRO_StO5U_sR9MQGdF0RrtdEJGzhWLGIfvrxpaKjGqS61",mdrd: "NMctwfbgOef9VZXDY_UZ.cQbOvc21bSVFX2mxX6S.Bs-1739098956-1.2.1.1-DHvB3FHKVtvjRDB1b3zYilMsNxzGIzKhoBKnglnHtf6XvoPg3Mb4HpJAvoBHVKvql6Qv4EZkLumkFufsPMGebUKJH86j5kLw8_7TpzjehJIWD.o03gT1V.tzL6.HkwHxERm1mu.9Nsfuuj3m_iz_eH6XvNqgx809IVXlM5Bil5Xg_PNNhkoanD78ApuWoKzSkqMT2pCCJK8oVh8036KGq9dtCfIUYTJ5EAUk6Z6sapNn9zdpb5F5dPfePvjxeNrCdt5ivOg13NdcF3HpI5YDcHI.skOTtNM5ccAfzxkBhycJHgOE1VlbomhnUNURPy63Je_HZKMiXix53yEDIezXXoZHyLlFWXQPwiFnc4dYDJ0Ilb3qEeyTaF6PY_aVXL3Xzx8dBJWO4ghH.sAGPeaSnOdC1DRqx3xO9wvPYyo99..ty9WnFqpyQD5VpwgdCj153LJPm4nsX1P4shybFk9XJN8xYNhXpxnAt8BTyUMW810WMAptLTmVjWRIGFZugxgwThEi447RQMZXxFcGytNzh9l6bN0yxeecjN0.gmycWqi64Ao5J3iFhkRoYMKoTw4_JF23VkdH.kj4Zc0DvWpkix6hdYiWZbf6.IEbBzltXyfid_qoSOIb7vM0I27kJBIscfARqmD9uB7en.6GR9vM3Dy70s37A9gPB6dc4khqWO.SNSNQEE.6JZ9nykbXsJZ9l.y8OyHod9yB9Yygvhr49rLOn8I784ykbphDyLLAMDK_X89c2fKqDnOojyJHnkUzMSJKlSIW75oq.83.Vt1l5Lq8HSFEY1lcxwTbCoa6quQFHM8BZu_jjdY8rADQP_kG7VqPnZ5eOqQEtwmYOIDIOalOo6r7dQA8u5MYmKJQJ2KpSxaq5Cda9vcorihsgZyDQNQ1Ez92oSF0QP6rhGZ0trdb1WNLYDnQmYvVYl6QXShZ_tJLhw79OL5jVDTVvAVamJtJ.cXtHsYHGAKFx8kL1G87KKYif37akfioQ19t9nuYS26DIoFYXAnpVHLYicAvrqTSlU7hY.msKVlfbEc8bg5QOZPSfOpbzBBS9sfS6IfAGzTKw4TUsI2SmKu.llakJE_6CO71vprJU4FxQnR22jXMSenKlAemHJXzalZ0kjt9BPKdGvWjQDFjN_keH.A3YQh1_ixi1tfVsIEkWrxeqcbiNWwdN1k2ynTYbOJdY8He8BdEM7hwTfX5CyWQxDWW3LHJ71SRHFzIdYMpV6V_xNk2lwe0L59TXz.lUjVYOkEyZEf8Wtn4EfWD5OUBnU2AuJpRX106N9WZzg4oDHD5nekvVBCL5p5gJF5HrGDb2b34g2yppOTBSff2yl728g2QfkaRW8.h5LU9IxuXF9lz5HoTMniqhMBqaacZPTMNCo61Ya8jyIZNA7NHXKWJY_atBMz9VPBcy6RTn7DxEynJITf6vWmrP69wdChsBHmP12fhuCoN7OdUHwcsG53sJxVqibmGnvca6rWSURbk0E3oXnLkHdTj2EuS34WJHVZoOZNzaow4zTb16HjLTKQG1oukU3QoBb3nKBEJXTv414nfsKV4JrqvJjCcv.k3zc_zWoYLVmw02ZbPjUn0BuG.ZWAeg8KhH3ADi0utr1okP0n6bSpoWtDGNr9PK4jJNOCIZdJU_iOtlX92aWdPaTLG62rVzavpLu9gaKb3H18QEf.79iMPp.oWTjTBo2BbX816V3ZvpcPhJRLd4ia6B0Cdkq7S8rOCcAjnnqZFoYdjhCPn2bHeTPzLyE7ykQeQJP0tM4KVyvDHPFW.e7qjHncIKS4hzNPqsq5rsd1AdXbpWKo6CA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f35e3d2be7ef5e';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\/1379068245?__cf_chl_rt_tk=3WYbJsis6Tb5XjQJcfaDfxyOkDJlEuGKG4Y7QGow964-1739098956-1.0.1.1-2bmhD6gKzPGfNgqUJ5Y23XQRuKK6UQnB03sWTbN3B98" + 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