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-043219274778.mit-edu.top/post/1625048793

  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-043219274778.mit-edu.top",cType: 'managed',cRay: '90f243b7b83a8011',cH: 'jMOM6D9xiSmV6N.15S6e5mSwFHD6wY5FyGklYiNsUGg-1739087384-1.2.1.1-I_dtFLsXDb0WiJdH6dkWP7pLnlbL_GlVKq.eqBEaAS.AaIqEenfs4wBHFHN_1pAX',cUPMDTk: "\/post\/1625048793?__cf_chl_tk=2gRlhI.GADJ8KRiYXuTYo5V.D9PdgEnVVpZudE.bU_I-1739087384-1.0.1.1-d8CqXDtHQYZwzLDqVvVSGdO96yiIROaPnAuWSy2otsY",cFPWv: 'g',cITimeS: '1739087384',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1625048793?__cf_chl_f_tk=2gRlhI.GADJ8KRiYXuTYo5V.D9PdgEnVVpZudE.bU_I-1739087384-1.0.1.1-d8CqXDtHQYZwzLDqVvVSGdO96yiIROaPnAuWSy2otsY",md: "y9b.DA27TPnibkB.xbFDsebJHf2qej774mIGdwdOqaE-1739087384-1.2.1.1-mrynUKN7rVT0aXLPtyF_vrMWXYPAy_t53HXMHO.zAsyuDnH3LQ2poSlZH8Dtj.VLD5T4iXeLeNPxhruDey0MdpuJ01u__IB6Auhve7yOsXIst.EpuOV_GjZDKYUzxFQi8PYetipiL6..77htStgaWbZ1UR2SM7UeWYsNXcwOQlS.sYJ8gki68SZl4O.gWvlybgHwq4i6VfDqQdUgYRmJ35Y0ROZ7U7r5.cIrguLYDYzObmOF18b7RzPqme36Ar3FpXqhJjUe6EGOvxO7uTkfOSFWLjnLJ2ab0oSO22iNd8tkyzcO_GM0ob8NB04Jh5tyVulliCQ0V6H1hDdO2p3n8SD3VABytHw83RqEiq5sdIK3Xc3iKL4spN9GevluCZXulb9ek5Aq8IlfKfYjWVzw7DQCAhEd5u7w3xBEAcDCxxWccmpAapqZxdIibzqMj.5JLz3Xnz6AVmslWy05w58wtfjb2nL3lPy_pWcEDyaUFktkwriu8rDewViKy5ClBc.UbdnkHxW0pl7K5wiYU2Swb2jVZVKceXgAme.Vmj5H_bqJu2tB53BKRRFAm3lo1XDq_aLlr9MI6SC8QsqwhIgIpVPtasGjeIRs0C2_bBBtUZxll6dwAuXy7ofB2KRg4BTeVwZABCsTQW4Bsy8gIeYGHph.MCmXk0H9JkwprKcWwopWJ95hmTndNYtO.dFqhHt.quwcTb_3FF6.0gFMFkDJA4GvkJVSj97k0gfklPzw5vWnLP0wbq59AM9xMsSln.80Bnlh.RtHwwE.jGroyUT.Hnz7uI6j26d3MlZhnkQUwGpNcr5B7_YDV01aUGJy0LAuJWLL3XBNjFsju9NszqNx8deGL3BuS_j.jIBiFmo6953AYVS5l7K.Q4fELO4Hgl_2SBKfy3QzSOcPiPpiKvOIa4wJSoyta1q_dDQerD8b.eRJL2HCDCiOSJTM7JvaelY6avqyqRapUhstgGi7T030uvNnNiWL.HnoERzH.XeVDg_5uDXdOTHnbr1UsK7vZV3qKL_nXeBTeXijUl.bVCiUQYXoDCwp4Az8r3k.866SS9a.vCXIKmjo.iT.5mqIFb42UH1vwfMQd6a3gtM.bvOFoFx1VqTCXVvNZFNVqn1cT0dvawFUCgcx7C6.wgenp6Ukkdkpjx9k_JcmwOZFPIQ038xRktplnwrUSluex8_tEJO52_DOr42zG2Lm6O2Ik4ukStHTpvaQlYJGhP2SpS6XjqEwoPf4laXBiITq0PKLfZTvkljWGUiigXQY2UcbO1Cxu29TkEQzET4EBWILmBOvWW8wiRIx_2AkXx45YnnbSVCw0H5kWIJYS4ezXMblDC2JTb3KrSNB_Dt8NVkqFygkoaeA5Gl1nXunFeyOlDCUq7QPBZ8KRH25D03.hLyy7u66gd4DdNz5eN2TTHDZrK3cqs9YNhFxeg.6WeyRsCF5OzbADXn0yRQAR1xeWmCXjFwdvHPe5u7RT7flaRTfqcHpE.7fAhqajxgDQ6mINW0WadjKk_Q0n8ChHSH9Mq9Z2K.lmN8_dMkLbCtHEWxg9QvBBY9oR_jda2mVqd41jETvxgZAtBhGeWw_k7WwIWVCA4PzPDpvClzHctVibLUoQCNDlh7iB1P64wwUr0XlGqhf2esO2OqJl7dnV24W_16K..ZGa1QqKuxvJEMOSmiyUxquEiw0koVAOGd_B1OUC9fyXj6rRBZPtuxzOJWbJHVolH8yaakAvQWJ1AymyzNkM0ahQaoU_WeSOjam4TQVMs7xYxkThCsVQaALVqEkn.RQUTcLoTQ0qecDYJkPHc_xS0AY2vLB0FnS1DhvjAe6m4U5dEVeYXi0Omlqd_BnLgPHmT.s2kK67WJLEwkfy0F1yK.sa4YEq4YiFOqMXZPAKA5bhxjQcPCZz9llA2C2se7HNfRtT6YWJYrGMWHV9e1_UurL9g9LvTf7SctCTPGVPTucyblo2EL0e7d5lGKKuk_9_kx.TlV_T6nyDC6hchYDYqzHwA_iY93ixLqC3pQZDGNb3yhlmcs8NiVl7XdtagstPZw2DShNKnJt5HSllUBXdHk7e52CWszrcXzxMh8EGtgByOPbF1_Z6xaR4TBvc4Njozdf04LVTpfbJMlJCZxwKyF_KAcQGQOamCDQp5OLuX38qCe4bDvE582tnGW8OOmSlPhThG5n_o.CYciu.r0A0voJSirzj1IDTSIQl4zAmeVv7sMov3i7bc4a.xOe1GhPeYkP",mdrd: "wSW7zoQHAF8zV50jCvAItdP4VovD78zoFdWwOYtOaIE-1739087384-1.2.1.1-6t1s0D7s9EL4IV9h_rJFXsuIjQgK_lGX3X2mV_N8FGzX3TvOwj_z781OQ4R2h2SSvcjALFqqz8mQZOF8FGYNQvWs2ya1AtRQdJ9vN4OvrQvZD1xfKbB2poIZttawBlXBm1P4clAzKTS_bEQXLdL5vmWhI8n8iOLlFm5w4gW7djp4d_N07WT.tXIokX507kDJrrxtTJ6GuN13ui2Ggf_eOAvahyK0mET3_DwRJEcLwG3urJtP1SvE9ci8VqgHubsup1A8Hfg9OP74wkLE.vYi6cXwIHEupPuFyTntY8D2QO6ohXJOsznGtmz0DH83a9nAxq8tQNzzaM5OIZsXm3yXVRacCTgA5rvZnIJEDKIGCc_rcyEzupvlc9QLVL7JjC1X2LQaUXGspEO_etewwZ__WR.qtn89ydqmEhjxJEY3gSMgRH8VccaSwthBtSLAO4XnK5yMuo_su4r.zRFKx7S7OndomX.lCDgcV9KP.l1BpwN1IHZR1Ffq.VZyPkg2dGd8UTTVn.Ad2wQ30xbEjbtyuMzRJCUCRdKVTYSvErcyXUG08hNAKOfjp2EiuQSMFkQSnC78ECG016Eo0mktNc38QRUWl3Uo8j9P4zEJ2zxC4_0ce9jYnnI3JGhcLPGkTtQJV9kmbFQsMhofsLNjj4l314I6ymylkRjO4i.SEvOII5sR.qOfSfn6BY4QWksIDVwL4E9Rj82Sp8L9K7esNFPBGNHM5TQhU_zc12JMylgttbJvyI6BHC5XLbT8TVO7JEXuNn13w3FHOqh4FxHbc2ebPMMnCnedWFZIt2F76fYJuvNfT0K6f1dt8Z6SOuJ438Ln054zbkWOxycvQvXHOxMYVdWd_UnK95z8Hl_rpect0E6LyejLj1ZwqngXGK.PYaZIkopbuYRPT1Bblij8ugurYzFDAX97vb01tup5fAXvdsRUljrT6gqfvcHxaH9bRqf3TEhkMyEnItxKJTPywRHMe2SvGJn1S6MGKRhEI6cF1qUAZSF3XYviQs0ssMTjpHDLU5eUFMzCj_sDy6kbVHUZMAAuPXtO66llxeLnekGFRyDMYOgz40BnaFXf9THifpMyss59dqIFi69hIfUl_oR2bcUVpgADTucKUWPYqGjrp8en0nlHZQ2kZnUFYy1BQi.Jexvf1oSSODcGIWKto.isBUoje6y6a8wJERvOu82WPDWmqH6QYGuzt5Fuer3HFIhspHBIGTXA4Z2pnq0nbg5PhUK7ompVvJwdFezJncLmmATX.m7btggFFwDUEcrhmiy2HqUFFrgzDdkMotfRtcCiGb1OuY3WkRjC_35RQD6smjn80p2NqNVyemnTfy4w2L3CGYqc6oe6dK1Q7N8TCUf2bkaq_K4G3liNLTEDG3ejHgO6laZWge5cXEw0SxeRExFRs7BJwLLYGVhAsL5rin8Bk74QR4dCo_Y2EGh3Fqo3rz.hQg.GKDfoUgwF02O2kQg9I_l3y8eBitmcO11eZpLcAlPQvnJyZRF2UM_LHBr.qRw6fps9mJ23OMcq79lqZaaGGABpvp.kl6jOtkQ1BOut3QOtcdTBGx7jDZgDkLhCaPRRYP8GmOkgqbNRIIudvP7EMAtBok6dNSX.ktkdVot9gg1cfCbOCIyOxSmE3ffKr0iUMOJf_xBxPhlwshLbzp1B3fuDZut6W_P_1tr7Y1oQUhW_qTiADVyBOx1yDxPye03ZhzSbNRBr4XlIwaXlf.ysM5c6mWJvHY.wfpr3hSFpkqfU5e9N2A62ddK.Z6Ns7G1z8iOaUdp.LuaXW9LWKgmLqnaEZ4tJmR6zdYsiqCVuhg"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f243b7b83a8011';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\/1625048793?__cf_chl_rt_tk=2gRlhI.GADJ8KRiYXuTYo5V.D9PdgEnVVpZudE.bU_I-1739087384-1.0.1.1-d8CqXDtHQYZwzLDqVvVSGdO96yiIROaPnAuWSy2otsY" + 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