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-641219989724.mit-edu.top/post/8572140396

  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-641219989724.mit-edu.top",cType: 'managed',cRay: '910fed438b5d0632',cH: 'IEnk2Wk0LAFUQdVpLgeEB6kDOJOyhAlzZwhrSGwCDz8-1739398415-1.2.1.1-u.XvT1Thkw8JQDMOA3_n0fxEw4iUlyESeiXoefAWND2P22ykBmZSbatjwMvj0su7',cUPMDTk: "\/post\/8572140396?__cf_chl_tk=2ukRhJUllulr1X1gJ0LmW2Oo6U9uJyPPMyXkLMT5HBo-1739398415-1.0.1.1-h.VT0m5L7Ur2oEy5GBoZHmPaxzbHcAH3pS2zXGh3JOU",cFPWv: 'b',cITimeS: '1739398415',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8572140396?__cf_chl_f_tk=2ukRhJUllulr1X1gJ0LmW2Oo6U9uJyPPMyXkLMT5HBo-1739398415-1.0.1.1-h.VT0m5L7Ur2oEy5GBoZHmPaxzbHcAH3pS2zXGh3JOU",md: "a.rQRy603tdqw0cliO0uiwtDvhMzjF31v1HoPnoclZ4-1739398415-1.2.1.1-.9_sunJ2iy7ZYV2fnwNQVFvfm_luaPDmNyXYgUcwi9Z8Nyk0Os0h5iPFLpzDpSZGJk9E1yVl38rHIJVIM1lXY.4w.d20RVSaawLSXwaiPNrX9_ZDiXBE58y03Uxj.10D.76ngKjGc8ZqFJNeDJCBJZphwxJiUSA8UjIm33unls676aSg_ywTl.L8BVCRpsuZD8PkSyX2wRznV8LYEXBbVzOmeS2QHx72lVdnLzEHJ0aSmjpOpZTS0qpV3AFTizPRkmx5hBqk.uxaJc0awhr0ShOqi93N5by41u9oq9HT9viOifCwNyzuOQIBKKjw6e_SMdNymLixPAt6.NBJfyj_G6ee7NhJfi8EZ6.ncihnXDQkbiqC0W6InmN7BZZ0O..0Cu9NJO2gsNu_Q.OtN5lHXUXOgpFwJ1vy9l_tZxYAq1nfnhG1RJD25gF89jogJFg3IWpapmx1Qop.Xa.7c6cCsaTCOJTDB6r1F82ct2SzGBlpwu4JxV6d3V2J9r7tbhxTHNW3tJ2M8kjBAlAUUZHsxApW7gZopnKu1apuvHfKkhxzVRXpptNXgHRTHs.KlDOcoVz049ue1uLGyKG7Zg5NPqNHBI1J5TRLZuogFTB5VrdIv3Dz_DJgSOLp5h4VO4W9HWXVMMKq_NLSiSDBugmTVSEchRFkSqgXjb1XV0.G6xoEycHPnZFB8UwTY2TxUPx2VGbof37RbRH8GIicaPbwTxc3ywgkSwU29lm3hGoxzg_oRHAfS_DPN59zN2kVrXzrXpJLhhgro21jk007_.xpZ8VYeBu1Kx33rj8J7gUmOxWfBP6fSLlI1voZrkpxz.ju4GFn.OBrddviP_jZ1MBOdz6kNjmemrC.MTaJMat8_8LFjOnMoHkqEwIAqQTVaXKXAWRPkFeok5QabG5mlASycI3PJhoeEdbaKAnB45FH27XTIafogVky_0UMeEBKvVwi25oABvvXMHDzDlx0pHVLY6McunxjSUiQqmHr6xVECbSKEDKi3.j8KNsWuUG_gS6eB3o7KcIsVEpdbupdeY1sxJcjZasrDcJyrexGVaVPtqqi6PMV5Bk_KLAW63kUq6GNTwP2pmZmm1XOe1yZyx5H2XAWnWy0HVzwtJySLS0PXNzWpTH7GNzXZxcO0KPWWkaHPfiwbsxxzdBqbN02tzMVoaY0eSzi.5zePt0GFldt52JJYWzoqCbYxE9mht2Mg90JA7LSburFVNjNWngy5rQk6lQzKVtEwpPBAoblV8NGaEJ35pu9p3ahEyxpZUMHGN6zHswHkffDJAJR24xcVQoW2EYOrM044IiuXDMs1YqTsXeu4Vi0KAbZQ7qppsL5XI483O_OCgvtfP.5L_rgRC2wAQ5R7Tl0MAOC1PZXfKCDYzJGvwv9qUKrRedHzE505JVlu1fkUkKOotn8XzZkumKSqhvNt4ccQ9JSGspDkAZCr1dtP28K65LDLrELYPetMU_76exwMLhJWGpn8oMM4I129uTp9Kr33cjewYoSVX76I_9sHYY4sMxmXKi_ALYxQiz82RSEg5YSVnGHusYQnfQMl1I8kDYthI_VONUZxXi9P5tKG76F3cBhCRGQeUkPU6XVr13ur.eNdGClCXpA1dbcf5JbkKBBVeSgKjEjhDWXCSrS8KXLmR3nu2uQc37J16dF0Kb3SslECA1oMviD6SvQdaYPFDKJe60x7bXCx124zTdLutK99zsoWKmX3nFZUJfZkUBnwekNOsj1oKLVqWAGtpY6mWs.3fCqzBcEX6PHBFccBtjmP.x1JlFQ7.RAcz2qSm6lzi_DJ5HPPRiop8h5l.oUsTkseL2GP.Wo1.Ed7w7TwaOOWOK8uUGs7l0AhPwJPivrxPc5XWg79Up.67FsHxrzNDTck6V6Rsrwt87l0gfGuEomkkJJjUHg_9rzstoCJdEZWP9KtxFe_qrtxmQ71Sz8OnoB.QHun3KISYnUBGa9FLA3off9bGnUJnx42GakxOYYqLVOy.1x268feAnHFbKpDUdCf7YQCiAa3JOof5uCBL.LzKYYtL4tL5HsM7AmQZ41Ke4yzIuA3j1KgF5MZbvaxgKCkTp5aAD9N4Bk5WgWUlWGRwZojLF6m1rRNF0valXo0j5Ec.97x7wNqWjTKBN7tyi3uPHEmq1Kd_6f0eDN9DO4aEH1zBQ35peW4KhFvuWpIKy01gNm6U3EQ6NRInGj6wwjrPSD8qiSFHrXCW.7JlRhizWL5zLnLwO.JTyO",mdrd: "wW4UegBZrw.SONX37NujQOQfzZFMTisJPRTJzC7hssI-1739398415-1.2.1.1-EVoGAlABEt_crP3cylpmQ9B3wsBmQNsHsJ.BiSfQyX2Cj4S1zO7qGNpxzZCjsuZVmLGtdCE60x5LG26rThnBgg3Z.HJlvhl0omLf0BnWXBCc_w5xXDXtsi1nB2GnKLu.3KEZ4YqaJfXL3jJE_mDvU.042ZC0gUqapMe0ykFv4wgD6YOAj9eH3Ni5crWjUH4HVXqNded5INng_ThgoZHI0jhOebAfJGNs2DRFR37UWMptAAYOqEbXDCnukVbb9_wAQOHdEBKUrEAJK7WdRIGFwk8P7CrCWt8wu1jj1X3a0eycgw4B572tqjHU17T9o1ogzQq5ghoGC0vsbnchjkIgECbjCyebrEdB7f3BNLYlfhjdXvXyZaAqBt7J3mvskumNFbjbYiuMMXxDi44vYBapmDc0D0UWuKZ2Dxg4kb.cVwR7nxRfRgscEhfmVebjFKSFgadPR_XvwGKoc5HdMlEzevr7cJUGWo4WDtq8Hl2FQVF9ygehvTPUzsGq72gpPGwoQdTLuk5JF8Vcw2pwuku2HvCep2Gw2XONroCPEkNjhWegCSze0pVg4iMAkUgkYKEIW81nPYRlrFDjnD3qsfcQsEVjwew8N0_yJVWRpY0G1A9xzqf5WdS3A1PMXTb.F1E9Zt.vlRKbRgf5QEP56B4LidWtWnakzHhcEwyA0o43lT4189Vvark4p93gH6qDH8GKTfk5Bxz95dz1cvRvqZkg2lJQN_A2KbXjuSOohhBiBDZUf6W2C23IyvJ7UCNZgMf2ZxYp2M1hkfZaQU3WIryjRy8v10xBkkJKUpYtsDNoqdIiZ7U1BIBkk2MCpAJ8VS3JINKSFhGRtPS8Kw.FIDoNPilzC1MdT9fJQeypHNE0ny4pqhJH58eT5Qu71ava4wGHclX0y5hyPgUg1.PWzFMmTRatwAPQcs28Z0OGLH1mmi_Uz23wWvqb62Pi6S9Sff26aRs8hBpYkp.BYtxO8zfsjNfoCx3AnABlo0PPshXigH1rVm7qEJhTw1sCeB3EiIwD21EXO_ji2OPVKxg1.mWnBe7U7YrSoor5L7kzKi3cl4Hgwt9NQvMrs4DiyOVuHKwA5fO7QUwxRjy4WO2yryX6HAX5uDOMBxS1kRojjax3Xx5eeZeSDnKuuVEU52gcDn3p53fN_GwyWw00tIHGSnNXIfA2ZTlOfUQowCBXu7yJoudrpqTpsKYC63UlJQ0ajF1O2N2XEdBg4pAyH___BvRK7.SITJ_O1sCcIkiPwIu4ak6nNgUfO9i29lWCM9ojR39uWzLUv0Gx3aRbVUTDiCc4HDFM6DlfuRnImx_c2p8GhjG4_zdcpI3yzbCe3IjB5pGU83Z6B3am1kiyq3.FvristlFk5Ujh7M5IQOoyn4jxb6IEW8zav5LyxOmY1lkCSLy.GAQ83lXe.LJWa3n7R6JFDNrDrXbaSpjD9k9zfVsHzPYJs9V2WiHGiKDdqZv8ZfZOogayEyIgFjWwkv_Wf8_eQnQ8fIRgJXU.x4UXFBxksELpkrEtuk6XBfgRtY6ZXWos7t9xy7Gbvfl7YAlQ6W0l45CPOC80.LwkB9xepi05sTEliL5WngDE5OdWxvW6fDUQzXeX_E3nDeZ1MzJHNAv8kexohwxXnorYy._z5fL3IZl.F.dHIX_Zj0c16SpbN_pryxhD2d74Z3Jp3anGJxuFbYEu_ZHwK.p96saJbphIYcYmW1CwFAksDgJelNWbG4cXmlcJKNdTEMMD9oFCxKYHhUe.Z.NGIi_Kwp3AUgaG4CFVHDsuIMNqXS5ZXqCmcfevj0UHfZeZDBppfyybzV5ofL5mSYdtx.vyOfZvHxkyG8U"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910fed438b5d0632';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\/8572140396?__cf_chl_rt_tk=2ukRhJUllulr1X1gJ0LmW2Oo6U9uJyPPMyXkLMT5HBo-1739398415-1.0.1.1-h.VT0m5L7Ur2oEy5GBoZHmPaxzbHcAH3pS2zXGh3JOU" + 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