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-580583688802.mit-edu.top/post/6758294130

  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-580583688802.mit-edu.top",cType: 'managed',cRay: '90f352c13fe63b29',cH: 'btbZdDwEaVx5qvGNX0jC.b1d.P7twcMCahSzL40uC2k-1739098485-1.2.1.1-9YNJ1Tc7CeNUfz10kL9x1mZCQe_Hw5Nf71RbRN5ohwOiY.xTO3kx.RpSrOe3h9si',cUPMDTk: "\/post\/6758294130?__cf_chl_tk=OQ_ZfnaQcvIeE4UPzonMIthEm9X0ouzg0MLrcz2KH2Y-1739098485-1.0.1.1-ohnLKtP2OUWsem2t6F1gGkeO119gG8Z_JXAqp9vp5Jk",cFPWv: 'g',cITimeS: '1739098485',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6758294130?__cf_chl_f_tk=OQ_ZfnaQcvIeE4UPzonMIthEm9X0ouzg0MLrcz2KH2Y-1739098485-1.0.1.1-ohnLKtP2OUWsem2t6F1gGkeO119gG8Z_JXAqp9vp5Jk",md: "HMTWKGHAcvMSApde6wDexO3gpKtdGqRN_MysgWK2X2E-1739098485-1.2.1.1-.Ogj_oYMx7Ec1fO5YEhNKPJuE2J768FxLCa2uC8IuvKPMQWdHuc5uPSHr2otw9MXBZ_ZiKPKZT0gWL3PktVSh_uT672PfOl1crWK9kZcL55z4jZolamKHR5DTzLPGojRTAYmMtq0BxcfQyDjmQJD_xYPbEFTW_VJlslFc_9CGAivBrAqMS0OsY1brStAwVzhs78Ki34gfBz.gfLaQBoIcBwZ5L5JFhTmZLSQ62hUmrIScSvBgwPZZ.LM2qJNjY2m5dLwIp2boLaC5BRP9XF53CO8KdVly6uEGyk61e42W7NShHjExsG03wFDgK41p4oAo_WKwUIVPxciSG39BMLyYR2zPdgzupA8ZyKlFL8.xkuLYe6mJXFLPnN5VgmD_avrNCm.2nrNhgBOBU84aGDoBNSvK1rqTdP3pn2z_0ECCRbznd8757pG_Lp59GATS8XxZdXupZQJQNtH59PBql03jh9UfnsADS5.1no9WwYP84u1MBfu08FTFCDhXBK2jov8jaiudXxayUHyzKXXThRlfSkvafWS5YpCO.s00x1IJmhtHlEAfE3bBi3JfrUB_l0mr72wFgTfSqAEkCdJYLXFzkFXRBKaqMdk5lXV0IGJrJPowFunoFm3B1g6nkM4S1RttIACGorEaoJSoL1YjgOJoR1IY74qtfsbFGDRdGh5B0tv_JtN2E71wZdB6ToxtlKctj7QtyYCgg.Ww6UuGsNU0RFoku_Gn9YGLJJZ_VUGhZY4uaheVAjdeXscOt3LUtjO0E1lmi8RLxpqf6ioFSXD_02uFblmqmJr6Um3lDrIn9n_2KM4tUJy12Id.pt62ZQIjxSR75jw12ehy0xGseSD3KUcwoJGV2boNz7su4YKBb.HxqIrs.1EDKhj3tSnI1b2GIaNYSBIaVhXYGFYXKRXuS16H914zXrMG.8tEIXPGoJA0HoBCp9EemdtqY5TO62R5vNg8to.VFa2majwFdXyobmidtk3hd2dGc3FXxYY9PMefzJbTffhVxvAgWpm7UCp1UhXIaKAP9vw9_Ns47uKw.XU9cJ8ejbK8Z8EwSvq37oU5bvvr5Z_EaavoLnQYbEDQdh.mRQ6TBR6MqukmPZGeJmNoPIWqUU3LlSDOxxOR_5hrhWSFwSgBm.cEp.k3ZLtz9q7ZQmKJe6dyycQ.vuPqV1uuZtYKDchr4KqQWvrKblYYr_IByP59w8piCNQRwMA.fgIeVRthDAqMhJ4Tbf05eM92N7jDkXGV7Wv5z6UX_ywoYOn7BIuzjqMJ6oKhM1Eo_.yqUhbrCiBjwzTqbq4926HnAiOBEUGtH70r_FSQzNnVpPgl5bLwUOlTZImWXlh0KsfiewAAyL2i7ej1gbP9qcb5Tv5GR19qRHcfKpEcLaTa1J_JAY48YCEB0tFF9cen6Fb0_WcQp7sH9nfZO17l62V0nywzNuJR0rRG8csR47t5gEhLcSEp7.gXdaTKx.hh6SrvwetbEL7OmzVRX8UJ6Eaj8mTp9_lmfAbmx5Gq5vFAW7TaUaeTbkBeFfOAkO_Q_QGP7I9iefcYGk8vgRwucBgG42RD4qRVak2VdfD4qD8FLXGbAHKTyoIysS_1_IpL9kRqjQlBmhnrGV7xcFpJQclu10JlmcVGLJSleLN.SwOmjVvA1xFk3n_qADc21R3S3VtMblcewK_BH4.beUdK.KYqpmPg.epsU_L7lwZt7GwKRrgMOabhv8gevN6jZ2LepQVJIgM3fjzv9Q.lEOuqKVbjZXxw8sFg8XC1c7Hbxx.Tu3ec9itP5BYf403Pno87UGzmrzDgGc3vGsJm_d4CGExnriPTEqQ5VJYAbzn6p9hsYorE1D2cXYtqhyZNiuDbqMcBRvdtkRs4fdVJRQqzenzlgt1L41Lr.ESNfJl_u14W69gKU1hPWLpvqvL8ZSseIX5y3irct3DefQsznvCMMAiWaPl3J1lnKCOGTjZmMCg57vH61QxBYBsJTcGNXdvD1grlnfFT9zPN1Ao4sTYYkRlbdHx7dp60D6VZO5VQ4ZE85pT.cFYJx58aG3F.0k7SD7GF6Duppq_UUg.KcI2UZVq7gThCwfSrI8dQpQwvfepVILcRZVFeKzpynZ2fr.LRWFAeswk1jiBWVRCx.Gzg1_quiIvy3E9aKZYTVkSs3mWw1Vht7upEAYoA1aQMKgFQga56joCMFNXepWV15G8NqeqFOhWHBURkThLV33v6G_uF2opLftKvgEVbgO5SdsN",mdrd: "9JYlsqYUfxvXdOrrskwQhd3V4SzBN6RzE5NW6M.F2Xc-1739098485-1.2.1.1-axuLbTnnOd5EkzxPjlFkjqkPtoBiGv3jpBCyqx4lqcN64AyPvfWg5rkEmzyJz1Iwq_6bjy16RM22cT4HFlmgtATucaXZ_6H6CN7A3jJkZdUmHM34MDOh.Ixr6W8aQGQmVDsc4tSCZy5kv2ydt_qyEmw4xB.R85n8_siIv12zaoMFXeFdiFWxN8wRcrxYBACUsDQnJWFXFnFW5Ed4ZAtFxyuOU1Pkpzw5EYSmRdhd1mWJhYwG.A70KHnopPMk6JG2e.K2Lbw5xd4Rl6o8NOr32enwS3dQLMFH9rKU2CRhYtigmMUWrAyOYlp2deLGCom2zYZPW3mbbxhf0RcYpU5tas9XG8IwRyFn10Fzo5L.ffkwa.uRvT.tMYEJtBUtulEaiLHcwrFAMvcLW6SdhCfHtLijCWq9Q8eSTBcoYFnulXVbsRG1KQnKX6qnAh5kfEFhIrvx8ZvLnBOElVrVd7D3VkfG986KEAu763YjSPAxxcuBQD.Rc6x2Id.PpSBHLGMO9mXIGbC4s_L9GtuDeu9DTbP3X9qkQq.um.bVOUVR8RUUj.2.2GqaJSuzRvLLYKEDOnu3LMmTCNGa5G5tpVgaS7nllkGC9NevsRzAZKhDGuJnKtrA.7YwoW_Gcii_vYJJxjcUlhQHvd8Dj2wk3r8Te6i_xyegHCtAP2nT9hWXdVqC_uQp.x4umA3WertVTXzzEt2jketAFL0tEYDSn0D1GbJpqoS.VIjeqwT6txfSlV9bnyr7BRo_nn2VF86KzGoCZJSih6T4biHVMMu372jl8Fz991JVvlfZgArL5h2aM58DNlo7cCl1Sm6kETWziVwjlHXmkboWzT5LOrcyVQiBkK_0EbSOh0yyoPNK6b4aTgROgRAammRbA4UDvSNGfJE.SLWtm3Gs2lL3BjqsdDgX2cgbNtHhmrPQ6kodzaWmFr.6_PWkVKP1zGSFAC7jg3BBApZKAZJeu1FLTo9QDXEYWM.FM2_RKfvXCy38rud6XT1eEW0dLsM38m0CPvF9sDbf8IjPdFERsy_HR5gult5VGUhi5ZPzSevafjV6aOWssSvNtcEHZaASU02qBYKU_3vAyNroXJOqIEOJHL4JZIzyPQa7X5AKQxqrwiISX1u24a82D6gfhw2sCcxVi9I9jGgEEj0nHdV1zevTGwuZjVMfr4mhymtCoCAUbO6sWbjGuFTOZMeBcpOCJvDk8KL2PPv1NtA.CEFmMXPA6pM0bRCeImCxcP_tTRhtkxf_r44xki.Jevl0D8MPEEKl9lVuLh0YvqZHnuY0VfiIQiAcT08Xq1p8mkWN7WI09Wt3q0eKV1z.KDEh9sJ8tGIkrYXKqqWWnHmID1RiixBaVgz4Q03skVHaD0fcovRLVkTHHpvoVPphyWTK7V1sXM2W8MR5Lhr6pPJKTGLWkhUVk60CrxcfUGBqmH6Yom1igkzKaTi_yCmnvwrFD0Yfqr0s2DPHuAdbdV3qaZKqaVKYxdfPCdddH5JJKR_vgAsR.kIZs2v_8snagRYMN7ux2G1WL2dMo865VWUvvoUc2F_ZpfDaWvLOjAAFYcfRT3EDQ0LSPNpPcsfVZp6ixMGwtoFFZXryOF0Jz8fTDZBMVTGYcsshXAexO8jPIQUVClTisRfXpC7VZ65QGlOSKfYwXAtVBv0ImSueEwcT1CsAq5sovVxJYK.2YyADwfiJGuD6pr9q6FkSretZ6FB.Q_kK1BE_jAgCVy4mvv5T08Ii.9xZHN7kdw61qBYj8FIx2FeQQojBDLURYQ98zxR_BEtdtbbqpcC_Nyn843wpwvzHAjvEmyAkk8TxkQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f352c13fe63b29';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\/6758294130?__cf_chl_rt_tk=OQ_ZfnaQcvIeE4UPzonMIthEm9X0ouzg0MLrcz2KH2Y-1739098485-1.0.1.1-ohnLKtP2OUWsem2t6F1gGkeO119gG8Z_JXAqp9vp5Jk" + 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