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-229497996414.mit-edu.top/post/2763048159

  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-229497996414.mit-edu.top",cType: 'managed',cRay: '90f842aefa3cc974',cH: '__3noeaLNrRzGMjtry5W9pjbLLp7pWfYpEEOeZ40lug-1739150256-1.2.1.1-SurJkeUe8YpOuxHe4dc9FNG98KurkNCNynCUhLAQcMJXJKpm5BUtnVjAp1pGA7Ku',cUPMDTk: "\/post\/2763048159?__cf_chl_tk=nCZN2InB6x8Z39gBseWe_JSUL.PCBsGqcb_zT3mrOzQ-1739150256-1.0.1.1-oCPUtu2UDtkbVKygbVB8EeiixakZerTfSCpPo.finuQ",cFPWv: 'g',cITimeS: '1739150256',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2763048159?__cf_chl_f_tk=nCZN2InB6x8Z39gBseWe_JSUL.PCBsGqcb_zT3mrOzQ-1739150256-1.0.1.1-oCPUtu2UDtkbVKygbVB8EeiixakZerTfSCpPo.finuQ",md: "M0_9Gb883Wf25kRinisHzQxfi4One9Qex1ESpfbM5BU-1739150256-1.2.1.1-xII2Q1qXEAk8XQ._Loe2Wlbir3Cjvhju_ojJIEl7iNvVRYtERmEN1jn9aEYbAdkUuM6xvRxTPYFCCB0aPfgSwv2c7IE0clGN_SgFgxg9hs5Mifiri9Qlskzgzt4UpkO4yibTb88HRHi05I.XQfctKzkVvvyYnXCk_IJx3KG9TZpttr1dJCaK_zkdsRQfAjSHOA7QgvniQYdkttd2ULV93D3uNNyASce8i4vjd3AFjDoRL3J9OYMrvMuWGs7nOZAcjUKUCwBQtx181W8_iUhfMCsPzAz0Cir8cI7MFglecaK50iUnCYbWii89f6C7b1ZJbQXTd2DdYiSwvfx1yDYnN3XR5.OQUW0.6ngZbArTOAt9TlQY.tUTItivVRXaSuazcKdhdsaENLzkwrNxFL8ugOW9KjVv6EJPMekN0pnpduLxwifBO7Cu32qdG2EXK0CEXiue0UC5PbdgwynvIi4AFTM_rCEBB2FW.anDAQLmSRVXZ6WbSewQI9KbIkLRL4AlLPhuI_Yrgr9IwsxXIoD0bo7hUl5elic4IbzDtDctz3iqknCFKkKW4plkPorGDVA9H001ar5lJmY3zHZSa9a3KiyLBvaJYE3D7v2LWSiqjqow2L_4mLMiqxEp9OLXp6vNzuv4l6Mp97iZ_QKPS7QUuUuRXyD.qxdHZ95VADFT3ATPS4HeKlEAcX80_xwsLAPJqKc5Sq_Qe9YAGENiE8E.jvyDN6JXy_rVaUjDJBqu_mHdi934Cw3kBpJcWhLrlr7rk1pFiPUNFkSqKpAFaaWY4KrAc3v0K_2ZksML03m7V.MubGo3hXifqD4kpT0Ow3hSLB_r11mB0rTTSOkb145LsJwd4lrrMjkn0hT7zsOtQQEqeNfE2QAJgJn.G.fPX_SlH0H4Sn0sorFDrxgN3lif7Gin6Ce7gHxjO6NnzSLTevwHGSjB9xtcq6s3EOiSUZi0rD0EthXLqRQmID6CQeRcTjWy6kCCZqkEnllXxPRCzwCFDMB0rvWlPmHABrVpmJRGIBbNTGU65C4rsj0keC53PnYQiTH6tlBfvxuO5.LMdnd1E_JX6okMrdP99b1S64ZeGh3lUOJVv3wsd8hvkDg4r0jVRV78YE.1ast8NjCbCp9tY_E7bNvp1pXKHTmS4hyMP.VMZ8ZROQEsluwoCy8PMoNMPLfIFqsIO4PtZyFs4XU_c5n7MD9SvNXbjRbGYPO4cQMYMwX3a.GQMGQY7nbWLbBKa0H67Dfr4Da2v1U0qh3AhYFharFpYK96rhjqkmsJcHl6o2bMpEjhbLX2EaVGorXd77q8JwKQn.sLHm5ijJj4rFpeUbxa8JPQjRklk8CPhNO3_gSXc9e4O2zAfpWtk05tQM4rMJDXujqYX6oW3rJXrZkYk4wQxSkaWrFEUfgD4whMrLYdFY3uBX1KBwVU4Pg2LcSes_8zdebGNsdh6DdX64Xuf2DtBqbZK8bI94Q5vkf8AM82mC0b8zEAsYTtS794SevXZliIJs.xBAmJIMvQg9kAE2AniKxZCqn8VYsCBdHAAoYZQcV02_G1irw9TWRnW9lRF4pj1e9g9TZl7hhc0wqaDyvNf0pkLylxYFE28I5chqP5ec2jIJg4i8FDCBNTKKSP_F2K3yQJVvVhy0EOUNTvj_yPFqfx8GttM00QyTWiRp52v5axbr5TpKzXG1PG798if0pSjFgu06wiLVgD.AX9QH15.xppm7BNTOTumkuKUfz6WW1ZHoKKdX6yQH8JCXNgRDLXRd3Kjnv6qX6Osn7Kj.nC6NftpPPDrTOqdDriLRPKFbOyGfk5TOjQpfELGDiUo0GDPU1q0MjAjZoy3kVpwSZFx3JhIK0K1etY6R76fjddatv0lOyxwIOWG.ZrbKW5Io3nOvsb82jybcpftFltIy7_Bv.osSJ.b1h_.Qbdj6hGii1LAIdKdO6B3j4pScLyILvTeT2AN7NKYnZp9uGIyV__4pjaw4uDaLyQ5SvjxwT_hbJQ58yIbjlJ6LW4Q4i4zD4RgQN7.3UFzEAqvgCxLBI82Fj9XrS6rdlqEdj5QSYng5NMJNqAjoJK_dszE5n9udf2uIiV8fCVI_sR6ZuTCM26tJie9vHA1kNB9I16LBBSIwj0oJg5s_jK17ue4oWJalYZ96bVZVtAkt5DB.ygFdJx8dpovjN6KX9cAbMtibP5lYw7HC.BVlkGzwduIzpuFr4r0EG5Aw4XZHkegweB3VFI0r7.vlwwMCO_",mdrd: "IlJz87hl2v4WySpVthHWVEYETongC0dKyxeDk6AgHJw-1739150256-1.2.1.1-uhH6Kx.bLh9yNtQotEzN7pIwUz5zIyVa2vfkS8cZlqLvoNzdNtS36bo7IQcgIcflDNgs7WOVQDFB0I5etuoUrmML0Eq.iwHHDFKmGM8kU7O4jHDslgdBU94hVzKJ1hJuWH9FKvNnKjirDG6QKl7kjwkvKN5yhjL0X.QFPxLlQEeayl_ix9RNSAsRiFio1NuzP6izms0gkU50PVjF70zDR8xEG4kUUW3LkgiwDWyM4ZHYNY3wS4W2v0nyk_woHF0eOn3fXs9ewWeM2KyxDf_KjgOBAY80DXDbO6aMdd31nD6x2.ZzNh2O.u6LQbAe25v.q26EKDQj7LiFvoarPwfMkMdP.OKwJ0v8.e99WGN6K2Emjz4eETmnF6pjwneB9uJk6gjTBVQLp_Ls.w2I0gvIh8n6PAlFSD9fx6rffquzVoI6dkGqrUSzLuWfEXDdxMGRWA7SWZsRUhjqKC9zVIdq13T9daRcZ0AhCqySXm6FXUa2RcunM5bnX_JQFlJtmb0Q1661_wPfEmpQUkoFRcBVRpePl5cgtShx5w7JptGeLso85pOri9C6WF5GSgisNYHfpjK.P3LQcFNc_4WuL0CGAbfBtEvuRyVGrffxt5gjhOXMMWyqDEtf3bqlB6mvaOYrZrV.HBqkTbw2_n3QDfUp7Hmuy7ut68d2tgtKmVGZlfJR4GG_P1FhQUpEFMcfZSZotM5WE85.QU24ssrGn.H6FY_zCANBTAS_K.LqQyl9k4SCYR05UGByCmjFWuKckqGF9omPBWnVwMojeGJCfUaGVp7Q30rSkNSOouew6qdEL3VxAKa.7hpPS_5lJR9qdRRis9JcPCdE6HuDEGV1lYCwZBjEzC01vPymKG2TMK3HR_xtp5fjoEq2z5nOwkeaPKMngC08qvqyPxBZyry9zX_ECracF0cMM3NjZsjVqfDO6BkIyQmR4X_4KQbKZFyRSfH3J9L8sxLXbw_WDn2uiQinw5BRjTc1ee5Vxy9DIHZcMQlrpe1x90acakIIrrRZ8eorqvMjjl2j1pT6ikuz1Q3TfGTNZZBrpAbc5rbr6efEeLhKONuQ2ptQXrN3JWL0vJXBj9Hcie3u.3Mifgs3CU6F690e3DqR.x9zZw73VV_2ZwkkoNYyBzzoK7SEFI99uW8Q3OExV9ZQb_qMLGkbCWSMBfyu2AEIqFVPuWF8mcdRK.6.Rj3Eii.e1UFO81FyUG7l3VtWg5LidhtwEhmrg_RjRq2RwAdA5xS.qy7MNol81yCwYLY2APr9wsp46RkRvJopOAmw7iqbPcvzD4rSVSPPrztzNngvC834_I2unfGVjvAOhbX04_u4E6bZ6DHNnJQarAFyUR0kwKkTVLOxyvERtpsSK5cHcXlfIM2PGNWvOxdFYqAcrAztcrs4FQ7lxvjmsfkF4DsKQ2ala8TEDuzPLhTe4SC4vDsLP.27Wa_8KVgFegvofbF0uJPEgfrwlbWowrVoN3ylJjF1cNwIWAssBkl4ltz65btgKO._nPXxLXG8Af0xYYwGmSRKkCu8dSe0tYOkAM9N.MHC77sB.qMW0LkrwH_EVPRvZieq7b6uCD.4wTcq9fwqSnvnG.QUhp80tXzgWqgqHPYDXDLm5kN8qKrvWKxR4vxKBX3ndTnZibgbNd_d10LnzsqpmBPYgITTvnbCTcmdzYN1t.vEV6ej8CDpBokIW9xnpV9SRSi1jlftrFneMrzw1UVkOHJNsY3k4PITZ89oPRlZi0sObxO7wO9JXHf8tnR57lGMG60uGBhFn6Fuin6DjWBHPoP0avTQ9AFdaT0eu6czzg4pnqd90GuAA.lcIi7MqCWF2ELRqmQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f842aefa3cc974';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\/2763048159?__cf_chl_rt_tk=nCZN2InB6x8Z39gBseWe_JSUL.PCBsGqcb_zT3mrOzQ-1739150256-1.0.1.1-oCPUtu2UDtkbVKygbVB8EeiixakZerTfSCpPo.finuQ" + 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