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-431331612601.mit-edu.top/post/9237680145

  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-431331612601.mit-edu.top",cType: 'managed',cRay: '910f6b739e97d6e7',cH: '0FZd82zdJm_btoBad6_O9GHJq7624YFfV0C.Qp8qQMk-1739393098-1.2.1.1-bXd0kejPWjssMFqfoXsaULSvU8rz9jxKSri2nv05ZRDxMT37vFeduA.qc7Oe_75o',cUPMDTk: "\/post\/9237680145?__cf_chl_tk=uGquML2auIvVhZ._KuS6zmmfGewPgDZ5EBG90tv23jk-1739393098-1.0.1.1-BYfRRGbbiJT.IsoigmfYSqzNasd46Ys7WPsSf3F6pFo",cFPWv: 'b',cITimeS: '1739393098',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/9237680145?__cf_chl_f_tk=uGquML2auIvVhZ._KuS6zmmfGewPgDZ5EBG90tv23jk-1739393098-1.0.1.1-BYfRRGbbiJT.IsoigmfYSqzNasd46Ys7WPsSf3F6pFo",md: "boBGOFU5tdSSQycW2vHLstozJU7oVvEEW1aGFC_2CWc-1739393098-1.2.1.1-tK.qTborKQF_ywaCEttp6Q..0wgLnkANXAF49xChb_rtE3RkFdiIcAt73PNTo.1EffaDdfeKK35FuBJEVJRQxp9.eH1RhGUH.SFfzVgan8ImvrZ00JHWOpV4HhAkdh29Pel1eUrrABZ26FsFNCZAOnKGaAwqD60krmi2KBz949TGaX_dOkc8xkhcd6_Rmb_Uyb1vf_JyHRWUYSDniOH4rN4j.1m7Fgmo2IVOM79df8fWf2xrONBAqVnk4wdmiUMlR1zkLiY.64G6L31mnJmkjo0KvYI30Jwpz8EsqgzeIo8GWfDdb2HzHeBeUnll4JO7OiVpZu7nXhRgxwuzQFKGMtAsftfagK71bFPlBgzn0A0_2iGwJbtGnEhFSzDq41TVejVmDp6L5KjQ_dLjh0Md7lckzbSlypVi8cFY.hGWC0zA2NefTzsG1ZD2aJtMbl7S_1yf.S1dADIcN0jIhe0Mym8IkcSN8GLztoXfK2YBtiWURxOa5MpxQUpkjmVWQ3S1AS3zu0Wq65zcl0nJdpL3w_Y6HleJ1cwrWMYv7j5az51KX7OvfkrI2MEkP.K8RoHjx4eAtQSLH8gE8IxarCbb5L7OF.ZHAFa.NJKSvZHH.PMk6He3A3HJOb.SceLra_I.X.JMfKnL8015e5Sk_JFGy4PcEjx6w_R1DlsZDdG9D7pfv7Jz.hpJa0G2r9hVTq5GH7NPdKXasmIYjK.PjhQJWzjUOxB2x0bgcfFCWUSOtU7sMA3vQVyf.ZB09vJzfxZ6LR1o7AXGcN49no7qkWBeI9bBb__4FCu9PzX_ncddFk.xVXyhqclKfswZlwPSljmCrgWaNLrAAiU6sNhISGfl0ootxJxDVInjmMxvftfz7Xt_HAxdtCg2SHpprYm2r2.I4ruCpNZdiNBmkTXBj3KdGs5hpIn6jGSDvY4VZ44zhPgEBEdl_2M.5etwKNOeMv31yQ6.77W14NvWcqgZKoxr.9n3_Elwu4klk9Lo3CLnvg1t6n5F2YQH2P0WsRHz2KeNsR38h3HUT4OttJlattjqltuFgO74eX2xOPGKyd.Y03yZvm.Xjl_SCcXWLeHnhZV5CPsBqP295vkF30DKK2hj4.cSRuJZI6oDlWKWfragCH6_wGkLbu4OibOeLZCETv0h9ezt8a3RoXBISVbVj7sILAugQHp7YyR43OIqa40t31AHSLWOCBf8zSLLVUI4RofzBDC4iLr9tgNL5KTKEeyaH6NqJYfVumJinO4sUISDrwFHLUfjshcxrzc5De9XZbrEff1W_24bq8BaJYYeHwEe8yEK35gMgg3paV.8_3QCcj45yL3eifWrghSilU4O6mISn8Mfn3SVXEmAoT5CeW9TzWG0DH2YA73tXeJjxFjkBjfxcIa_uh2GtOA.Ckz4.gAIofkc.ik5tmsC5UnIEV7KVVPn5qL.BYRwkmFNKFSzJJP8nd7GjKrhbdQzejnOvkS8A0n2IUj0m5zOekabIgsvCQ0VpqwFVL6jEkepkvUOfyhVKgrub6Rc1RiVAb0p34w7MrBngF.KNJ0mM6jZkk.QHzNHvQiRn_o46ccgPb6_nfNAmmsvVWBh65x4yZ3IGKkXz6FEzpaEU_pbVGdrR0jUpOJtD67U8GFYSk3lwpHNTiqWNwMpKgTJCYKz8bdideiaOA1R7ccr3xvnyf3QebDksYq_9jtpCnmn239Mo8nGLYm6GNKNpTOpo_wKPBLR93ne7.VAOTmsM3UEblmGlWdL1uBz6Xbm3zBigNrDh.glhrnuq1iQh2B6wDML7Otf.HDVh5wUCMVZsUvhtjF_5fiu9h9SQEH_xb0CGP_WJGFH16VFN5ghR.zkOf4kAwNGWnePThaAlM.NbGBij3WxCwqkxBm_E7IGg1L4YUoMr4IQME2myCXT6ZX1YFjahWoRKNlbm5zwqw5Q2biW4p9Hu_LhPjqcKw4.fiK6L_T8dq3xAkH1wh6wrvtEW4IinP8MzMMUcWxLe8ERlojKyaDhcrQDWjpyBca4q2kKqjHd7IynaWxmAOCRAczF1vzo9qt2cqqnLtw.YYk1ATNV7dyPJVcANOhAD7vtnOXkzsog9YJvFO9cnpcSzAl9RvsB0XMBQWC6zNghpQqZDmLYVtLAKheKohNsmalAgqD5sDlDGXcdSxyg2jh5T8755o.o_VnndfJ3mFm57dUcjb_5Z2.5SQJLMknHuPOjRC0kA8CwOdEHXTFmYchMEUZlmwnAgQszgfVE",mdrd: "T.itcZtqiphpbP0sF5.W5K_MMuwMSegeKIcSXmRWkU4-1739393098-1.2.1.1-.Po0qK0LVrcDzL7etCrDho8y1utjOG0_gZiCkidLQSp._MZA8TzNRdCONGh2hx708t1pfoogj_vKEd2BTt_b54EIztX2xVth1Nhab7tOA4h9HeSNfu_FBt3HXd69_1nraPnjKTZdLwCt7yqq6uKvqNasuD.iY3esOD1zycNeA98Hvmsr9q7MZ1x2ScGEHWNVXhb11hu4GQN4.VOtUiRQfuC2MkN0sEb8_NyS5LwKu8SJVBrjzBCiAfwFNDmvSiRGuzLMKeyOZAM4oi6fOrxYCdgNTaTpDSsFzMj3P7FGnImDYP80n0r.0L4rENu0GtCLrbh3OxdHZ8GGZb6rpu80KU_Pog93rzCLxqcKepB3_Pt8aObi6v3Y4dbS7d8u9yIYmzbI8eOkRiRqjLZrX1qvzDfGHrQMHJlNgDB66vm2b9SPnWG8EGAhKtoxuk3FEduy77E5BIL0na_ZXPGJ0hQTZFj3M6kyjeQROXamveLzZ3liS.qdgCVLMLFrokeGB2_bXSZ5UiOmYlCDeENn7ymPz_7HwNuSUh7VZig8aNHmYWxZWE8NbEbUbDVLzJ2q6eVhB9x05hxYTjnW6ojsZQKjmiRjJ50_e_zdf9w_W7x1O7XHOp15OQ03G8FiH8EW21cDJUyXCpLMyiTfQl5uCdXRI1bLmp1VV_cZZ5_jITAcV5RpJ54L6y.RnPgmiPxl4LIG3bUxjTKtt.0IExPxxOuJwBahvBelMLguM4AovKXswI.y.p.sR7dZPw1VL7z4Ygg5ot.S9ze_djDeIUj_1DXNLDuxeqwzgdTRBBbwp8PWL2gP2B1qsd2dDPqyJw_FqhJl1InTI1kSaJ.rU5rkWxTj2GP3M_hppcLS1w7YyGCgNR2d6FBN8dexBH2KnbfA9rwnwXIxHYYlVNv_8Qn3ex7lCwb8XKv1rJJGkpJjMr3XqI.h0WxAZ66hPXFQirZ1KTzfxV1lpDikz_4vhzew0ZK6gBEZ37WzuNioVoejoJ4SkJEZcT8ZWncEjaunI72_On7Rax2vZi76zcsGIbto9QWc5ao1S85NKUH8kVXzyY65WJe.QWowET29tYcwQ9bePWIfGKSHaKz54_1cSh8BJiIHXeZoKtrGjnmrvtFRQ.4mdj2IjeaS.ZbMFrCrzgTLDToxBzLLHMb8IYnv0rOByto0pYhB7iv0c5eoPGPFyC4jDgm2kGHzf1BBtVuYVMJo05NUyp0vEj8VrJuR9UulvqoJST0.MpMq7oZWGZi.8sPf_CbZJMLBMT7_ohITm_tk15xvN9UUxnvgdvYllqDI51xIpSbfvUXGqT572uc_UNWbSl_8wSTbJT66aNhmSTuj45fEcLL_U6GTDequBDMITD76MYN7mIcMHqkuiVuY1PpyvcX9npILqchZw7dbjuyKAq41c6DGp0NHsfZHUrE644d97TYqx_cULFBOQO09surSVqyJzQXxiGwt3Eo2RUCc0BgR1Dp5zJ7HKbvXUNWXA7bTo56FEvED2u7ijFOlAU4gphbfvevcphOOAALMwGcDLQdPOFyj6InakahKjZjLmwCNPQIB39Ze5.6QVrJ6aubppMjBFwfS2MJc0VMIn4M60qyldl9JNqDKO8bv1YC0IcP7RqZnW04U2jrF8o3bVa91pY66rIrOeRhMPoqHsttndpAYhxh.Z_mIEvSZH9xKw6jgnEpZPkHR0MOQDJxPxXSFxwVceKlVMF0Vku_qSAgSyULFzca1Z7HWfqjmazZ0QgyG9beEQFZtYMDhjdX1fHD.r8PV9oSA4PLbGou3NFbJpxgRvS1h4yXq4.30EIxD876AOPf7E4vaD39psdEz_pSA8wSda6.qvb_CIKpvHH8SGVEU"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=910f6b739e97d6e7';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\/9237680145?__cf_chl_rt_tk=uGquML2auIvVhZ._KuS6zmmfGewPgDZ5EBG90tv23jk-1739393098-1.0.1.1-BYfRRGbbiJT.IsoigmfYSqzNasd46Ys7WPsSf3F6pFo" + 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