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-425182794550.mit-edu.top/post/1349275860

  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-425182794550.mit-edu.top",cType: 'managed',cRay: '90f649e12f9bc97f',cH: '3wiHTe.0k8XGdwHyyyumtHDYN_zClzFgGf_5QY3HQ0w-1739129579-1.2.1.1-je1PtHWqCiT5kSlQm9tiDH29vKQXbiY.7N7QPwABmyhOR4jQiWn78VELsdjWXv1T',cUPMDTk: "\/post\/1349275860?__cf_chl_tk=w26HrBN9EAqCQEnsa0eTZWfxi2elsCQu1g.JEndtOH4-1739129579-1.0.1.1-_vLM.xj8BWCunMpTcJUdRndchtvO4bfw7SlOtNorrhk",cFPWv: 'g',cITimeS: '1739129579',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1349275860?__cf_chl_f_tk=w26HrBN9EAqCQEnsa0eTZWfxi2elsCQu1g.JEndtOH4-1739129579-1.0.1.1-_vLM.xj8BWCunMpTcJUdRndchtvO4bfw7SlOtNorrhk",md: "LMdB7NtTI1uy_j2pWK5PdlX7HweNwRv4EzZbzSdVPoA-1739129579-1.2.1.1-.kDwZrr2H00qdj5SOvLuSc7NPMMcnOX35Cof1DYNDIbtXMLft9kIrATtud1Er00846EcrZ1_SKRBneDu3JxdcIEIOonvYaZt4irEAfrq6_Ln_bz6galqz.X3RH4ZKmkeb2MAEQcprA3.1brigVa8Dv4mfGiItl_LAGvvLt3pfmM8KBX9WqGOBxIEfsYjRzH60HJs_xk3YtKf5EmJvK9wra1cDloW4CkCjRWeJuqDlDNSmHM5_BwFYTNJpaS7IaVW_u9vVGp7IwP7YwaroolrE4XOyjstSK7jBs_2T00eW_jMOAYbVlmZL4U6wMgUZGtlOwVxqgX4VOQ4aUnGwY4O6dGlJLRZAot4Wd4HqcJphxx9uLb1dNuj7ZUxqJk.45oU3AXIwj37Y0DtnDEUd.eoFBRHN2qZ.dBtiwEAx.Rs6IPQ9naqUPEq7hFKAs41Ljlhbtz9Wxi6Q4AK1uYmmRSoaFHGvbK.LtYABeq5hDL9gds0WjHVIZZJGvjjNNW9UlyGNcRSxVmGRYBqRUVcfES_xbVpMowIipMNdFiq9LndWnWT2W8y0eWpuK8vW5PrhaY2jg_TewLDUrw8j.fS_FZJbkRPIhP38E.nuSYk2b90pBlKpH9Dux5TmXS7rciYqCVGacFpAUDTpCWZMw2IHClQX1l2IxFu_OYeY8WpRdmi8asYvcusc9AgAtliKY_HsIO0zOHORQRm4_ml9K5WZgR1vY1SX0lrMk7LTkyoA5FBSUuEYCkP6eAPBSFOrneWiHh.j0_vMpYYmR6kyMR_sFgfJYJMCrM3ZM_waWSAbml6U8Ve_8F8rk65UY.T7FuBk2j0d92_pvBRmwHK0CSJInx6r5DopaYAQx.tl7B6FNdJ2AR5q5Ay3WjhfwfJ5JBeH.ARdO6SVm786d8cDOZraDf4.krIifu5kM9I949Yfokq1zJ4nF76CJKC8CklQl77ZU_MyAjHr8XQyDTorUk.pfI.NQ_glJY7JnEDokXnskQDgNjl.mDkxKSlVQmdrCVoidOKOR9jCkHY.fXgDjOKSexk2v46bslyJZwMm0ZDH6fzO5M4yl_pzI8BrEGHlhSOVeKzXq6Et1Nn0_OMGPUwILm_zFbiRr9x2Hw63FiZEBeo1OZEBkiLPFKy4TvIMnyjs80PV.d9.td.g_vMrwZol3KQ9xmMaxpd6ZZpnxZuK8DK7WfuBQKcsuD6V4K7D5Wj_HSD2Oo0yld1eEbcYi8x5g7geGHA8pX6LezMRQ1v4yxVUEQGLEvP_g7SZSAJf1x4kWWC6RnND_jue57bg50PPool.YCTBTPg.jpl2960xvUphRSc.ZyPk_VDRUvhbVicPCXo495qxoZTc.LdwCexPs5icE9aUJIZKRpRTCpl7Nh0QXUrID8B9NC6QvZI4dGUbS5b2jj_I9outd98IFIjcxV0vMX1G2QpFTkEhW_aEA0fxdfF8BaxL2eyfOnJVriHCXNiMa7yGGRgOo0rn0ga6LBJ4z2cDIypgHTBeuve3c5kqOTidx9TyR0oHtwuS_C3s1E47jVuYkyomTX.ntQ8U5RxjFMl1NhYJCBuJ2RfhtBF4V18qIIiWFoe4Pd66U5UPPgmNYuQi6IA8JM42yTm0_bAXG9sxmEaDo7_gkbzHfcsiznm6H9guW5Ob906aSZDW.buoJFCBEHM1AL.frWJhbmFFyg1J3hcoKL8REub4bM9miomi3cD.YtUm79poX2PwV5YXseet_qdp25cOSPaMyU.Sf6eZN6UaPg9h6BVtSxv9DAEX9jRXPdQ6WtoPedHFIDrYHrvNpF3mhvDzBk_sDSZl3nJ.GqP5qxWBRaGfbKpDo8x90_8PHtQ4x3V7LqLdf3D4DeOEF98X1Mz7iqESk8_AQZe1JGYeZk3CiuV4b9aez8RO2hsLVA0XbkLz4LpTYC1UYFkth5amVfoPK4ZZ_34dxmcbdNwFWwQgDj_0kC.hksR2gfArU_nR8YyVqWYHuaxYoI2OGFqmoFbBHgpn4w4r5FFw7WVbh4UYAnfvivHCP8hPHyErSqsqGRc9EaIIB0cVVYO.bSMzAi1EsEPJCyUrtrjOmjJv1W5q9wxmc_dToAkaw362QwhUARiFeejLRMEczGcRLyRhCnRtS7Ta9KhthbqHKvOeziGBP0VrGXmUj69tadsbGaQeaDIpu2hi5uMUDqkw2zTA5vPoaDmJTwR7.QrSGJ3_A7v6GOaerMDjSEJF0hkI72u6IogZrglxi8l",mdrd: "F28mxYa8rs0btHcW_BCeDCvY8HRyEdwSZEVQGJJ.IhI-1739129579-1.2.1.1-F4kwyjmJmXKD1xfdJHUspbN9am20.vWY0pH0Pw4hbEd2ae8wlhljkE9lirFsg5V0jDWuVkih_nx8Govncoc5_PTQ1Z8umgAyYybIefB.6RY1.20WHJI9ylfW14GUZRp8sVABz3XpC4jFuZrUOww1nesiNEs5b1pVW_SkHNH_Mb8zxnrzGRHFRhyqelxGwU9J9nEQhGZ79O2TX1K4OB5Gb_l_sWs9PMlq7BPTiQiaewJNNUp9Pg4ykzsWRLQYAAAdlhEAsv741E0vZXHYpACcV..WwZNXsVHABXhcp9ZwU8i_pQpbN0W50.qGSE9KGuePEBuGulkXSYOq1WFpW7YvC9ze2IGASxxpwjhqwCYbDAEmyVB03JZq8J3V8J6Z19YAfINl_iosGtp.KFribOXf5YikpInG7QAmuIQ8DKMRRU.GX.bpHeKYOqHgximMlXFjcsnIq0EQqoEjPoML2PfjnpPdJy2fTi2D.Tz1x6UCZzw19ubH.3iu7KpOJcXvloMjg.Mjg_dohvdjyHwqQYMHnjPb8s3WvtDzGJ2ExyEgiVayyEQ7K.hMePokwZ48mmQKlxucobtsNts5O.SEl.LItx3aKfFt6NMu.g..dLNNqvq1ctUAV.UK7zZfy0QyTMBq6WCOzRpkCxOLyR5hTCLH9rXht9wBhsHqN63xpuTyBdUUAyTFEcB5WopjXzmax3Ir_F9CGV7tEr3szRnwqzHrq980_7nAA6rVFltZBbo74IfUu9TheekyksCziqoWXVNvwPSsaejfukHM8KqJUO6dFi5vj538kXB_Wk8nsEoJszd4E6E095HWBSHIpVRXTzwyYF73_x1aue40X6Dfg6rDvaF6qpv4poTwcQChd7.HsFaZHyrQSSqIqAOp75NOhVWrOLsUkeQBiT0mSnVaUulwmeJORvWNPXxno0G8ThDV5FW3NPtw5g2gQP7kkCfbE6XxJ7gPfhQ.hhJYYEV2nM_vDi5C1ZvJsxQVrJJya.EEi4wAX1Lru2PkefKqZY70lkUZiptDhzHZKJH74.kij4rhUO0omLoqsHs1yle6W4Uhgnd0AvZ02vaV_FRTz7sTOXggMai_pJmTDoQ67VjNLtI6tlw3jNnWH3Ja41f.cR9jaPZrhSHhj9qThsIMqbRXPPFXKzqBLk9_Th6HdMZxBU9Tv4_Ptb2bz8DhbDglfu28kaZ1KT67QwdxAOx_9h_Y9pUNO.uz8LSwCMK3MumtfPxsvoA4918MHOS2YZRz_DGODQM8pAQ14kawTQPXKQeIpRcd7dFNzx91gH1Px3lqpWyaj2JQ0E15iHYrxxRFa3e_XLvUn5FXDM8a8aB6QJCngxUInEppKaFCOePCTqzcRFJF.8g1tY3uKheH9GXLgVDxBmgay8RgnWV7JXP5nBGk6Z3TjqzO5rb6LWjMkQbLedwKAJwYvaYktfjSMv4mBsgkHvIvJUmBSPsPWWiHezBoTE1Q5efSjqAWW1bax9x7_Qu8pKsbTQSiECIU6xC5TWuCtXt9RdZVEGEHx7.6ei5v5GZsVxkMpepSvtZIsl2jkeTkeA4Ghs2jnP6l7QC0vFfMEhBnin1a_Zl27FX1Ih5sJLVghm0UAq6kM8dfdEQTSW49MOtsjI05ORpv.tkiPPubQvkqOQZRYlEga9jnp5JQDOagn06dxWdDt_qmMqtFolUrEM7X9Ib4dRbAsbCJGsgtQBmJJ0KwpkuBO03NUSnHe9Y20dlz_gtLGfBFzZl.DvtjLxKaqA_jYq_vXmyqPlyU2k7zB.oAVlsfqhK2jciWDAVEveGveVrbm3K3ksR8U3ywRw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f649e12f9bc97f';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\/1349275860?__cf_chl_rt_tk=w26HrBN9EAqCQEnsa0eTZWfxi2elsCQu1g.JEndtOH4-1739129579-1.0.1.1-_vLM.xj8BWCunMpTcJUdRndchtvO4bfw7SlOtNorrhk" + 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