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-aff17ir03.mit-edu.top/post/4351987260

  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-aff17ir03.mit-edu.top",cType: 'managed',cRay: '90f656c3bd075a0f',cH: '9YGraGDjPseMKuZnaNpk0Cd1Zps3BkDsDI12NZAZlPY-1739130107-1.2.1.1-c_JMVqYcx7nPiYX.s28Pj3sGbD.W3Ub0eXvyuV9XcYUIdEjEykTCBoR_ugQe9a0b',cUPMDTk: "\/post\/4351987260?__cf_chl_tk=hbO2fsCYmun2q_lfQ9ngOgsHMHVtGnfwBQqEK1SS8Sc-1739130107-1.0.1.1-jbyPVdvz7jRXXhGUyedk0UpAyMspC699tQ.xZIlrry8",cFPWv: 'g',cITimeS: '1739130107',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4351987260?__cf_chl_f_tk=hbO2fsCYmun2q_lfQ9ngOgsHMHVtGnfwBQqEK1SS8Sc-1739130107-1.0.1.1-jbyPVdvz7jRXXhGUyedk0UpAyMspC699tQ.xZIlrry8",md: "Ojeyl9AYeGE0viEFqILZ173TT6UPEKbBE.b6avSqpb4-1739130107-1.2.1.1-fJg_Iu4BNMKarEdT0oh0G.BIfMBADzA4O4LIiC8k3wFPxO6LXzEsZWaKcptCDB2t8VKMXtXP8vxuo8zzRzmYnE0e55B2OdgK_dUAedJf0as6ggGwzKu3qBh3kvwr6OoBHNCNhrBA287iEdgP3gesNITP6GWmirj2OXkxlxjNB634ASy7iKI_zmmwTu3nPY.ae19hMmgbhwecg68U3y8cWKsExu17.ojDdSFQE19yVxtilMpqC5U7k8VGGtWNoaRImPIsZ08.lzlaOqFhmi37ede22nngsser_GksSrOSfGHqHCUMHWDX3kOO9g_20X8lNWS4t3Acyk5JcEr1OwlRyEpmmZzRtpaPR2BsNlouQk8obGztAhbkXwThlyV1OqJjbnWnmY8cE68wik4bepe.2T8HiWJceK75jKFjgWeBR_Bv3YInysd8Srh3zzptzi8u_NITvGCvdqRcOolC5dty3X16_ayRknjR3wWjT.YfEnHQjMHlH5fJQ5BlalLjXVQUw1bE73kWV6Igl09t0aj7X5HQOFtx.w7HHYLeW1L1zm.wuU_GsBHk06tk3oXvxZmW4vwxgMyD22lXPm8owJytBhmGBQ8vgBiq7VTG2MZW4CNxNOrRfvwcHRkAzQawemZtpQYgWLvcazg4LFh5LM_WwyNsUbQI_de2Hy6QShY8wotx8WDl3CMeRf8u4RTC79Miq.MAGcKkCN3VD48b5r1nzyiwI5BS9xFPakPJpHlbSGr01r9Q6mz94vT4qI4MRJFMh5O6aAEBq3ewPBsyn2Os5ydjsHvgpjjaN3rCJsfrkSWg7eWRQ0SXUuuV1qyc.W.C10GWfXftM4iz0_ZGNHznRXFz4zrBbEFT3H2BKZBMJlvod6BYC_jPoOQkotiGxgS0b75dSByckKcghmbxPi92PgjxAHn5CFwTz4KcSPcuQamb4fqpjIW_0BeJfCy_0CeqSzdrltkjKIgEWV4zTYulV5U983GyKVTPZV9L0Lq6.wOS8luA5pcNmq7eAGkZIEl2.gxX0aBWZk4kXB_8lCFULpFE7u4tv9oEY.K7IBb3Qj7zvwN8bwAaBe2ZPpWApeaD1t2ra5JsCeWMX.k.Y4_nMlOxfIW0_h7ChUuX2Gh97LeSZJ7IUT.xOJIDvl7P7GHp6BhpTduSEjfZjN05YzUSre8u28TfQ8X57VIkWTmVabkiNOAeFtH1F5pBLDe7XgYmqTJeAHeejXiOm3..R0LtDyXM_OQWaCyfpTiXTaE_BiyNYyqjmn9gSasGP3x.mvEW_7Yu1tsNbNANO3tJlN4v.L8mkWXHO3lMuVLBL7SThpXXKnUWFM1fluEngo9CK3IvNUT56sXSLfs5kDlLev4QyDTIc9jDiBvTEGSOR9NGHrJ4dSA5Hpim5D_qjcP0vORQbgDPZz2F7vraG0GfMjfbiTmx0Rouu6E6Redk_GHVhqZW7oD6uwSaGyERg1Z4LXGM_NNB.5f7KpdP.LiU5zspKYLxypDRrHVJqiqc8x2fKjIjR2bEZQTEZc3msOj9dJTP_COsogptJMIl6ljyWRnAg42viECQpuZyJ4dEjUXpTYJJghZUQxY9b4Uy5eph.rkFzgyA3P3kx6GOScAExae9t61eDYvkxj3I_z_OgLtym18NwrviwMFmnLqjZQGYWP.UXZAfMjQFSZqTOArpAZ7yK9CsuKKvmnEuPHvG.b7WwVyCTFEbKQ68lKnlupEMglXjIyx8AAxBr3sgNu0QSInbwn1ISQyhGk8mRPzpx.A8EA_6phuPj34T0_oZm4qagrzZ4znf6BzsXCRkv2VxWLAJ8KFDp78xuZFRD.n_U5prNDzuaHb5EGdTdvg9C3vTxJLnmzM8LDUzeEkUQreWsd1Fzt3fL9bhEVbZK7q0y_vCqU6WVQ8GfLLatpP3OnmJkRiqXp.pho7syWLK9IeH_OlvWXeBE..2A9VQQBN_vxtd3d1jrlSg9f6Jj6qXxcPK7ETupzNv4Th4TavD.0l1NW.Ir_J.OMGGDNCvmaW0SWyq7MyUyC_YSfmF5V5t2zy.7cAgfUt7bBj3yD397f59JI_5JF1tDcXOOyGsul0jj.XBtV9BaYpIwIOhQkpdad54CT7SEIMBIOaUHIpOv2..5WqYBulSoRh2cutu6Cp_0FPnFxunPojhRXjsnLkpJaLyacLE5HWpBHM8dD3hzCLq1ZYLkFt5bwkzjpOrk9VX1bNiS0xtDY9EHuPmk7XTZEBvp0uK",mdrd: "hSJq5DtBuvtrxIoz64a15hUH8OpPn_MbzmxraDUfpRg-1739130107-1.2.1.1-BhqcPb903EpzIA9Yp8ICAZbYLahFkNE3ftfYiEz_utJf3Kxo_y56tExthNW3AcpidMZq2sxNv0sOWyaoOiHr0wmWtPHRhHWkbvYCJs6FhDlH8ThXFQzZl4i_8dA9.44KihpE2hf9rU0NybAcgWBihUdkMXgkncAnT1h1Xe7Dvhz0ik.N9SUrPVR64ohmc8u3tHeNMnnWxiNRR903NofmvHwhloiioQuZcvT4P9ndeSb6xuHez7RBQAbFIqsQpaBzB50MudDMHZkeiiLvipNZDtcXYoAU13.Ryrro7cVhENCGfkp8e9woYB_KLTGqW2MDwuaoQqgMqJwL.2zI2f6UY3WrjPSH.ukzY4K1QYZUnVLxo18cVr0DJ3bHC1JcX2P_KVU5o2HhvbGmiQNOsdYD.XAG4ydbgDZv278y3ucOjSaKPbUiRwr_y82G2Dn1VEywuvyDBrxqXty0bJ7gUbJ0Ode110gT6u236yNqZ6cSlfiOTu2gQESC3R6OJhECj_2mNf09gqFcwp.xcxk.dCLkvwVHUsMOyWCdPn3ImEu8ja9YQ9s9ap5nayuEwZKM13w9GOzRVlz23zI2twOGlHbih6AweKIrKHOLKBO65lbUzOOdiIHTENPuNG6PIJE1uvzTxA7y2JOnTxf6lsZts..WHZNSld7b3HX3sIOhS3h6L613QPm4BL302mbBdcfVCdShWlPInSweYXmt.va5vfsebSBYStIM3ssY37F9BsW38Hk3RkLwqqJ0Jxd_mIeCdaeVYz01Dj9mQ4VMZ9cKeO5Vvs5CpVIoqwThYTG.JNor7Ig7HMRZgqS3pRMdftXkagMcF9wQ5pzzhUPSupbBUNc4CVODnxe8S6J.osQw6GnyVaerkhrlT42PE.MUVxaC03CRKoWhiVlFhRcjJNkljjnXxf92lp51nrEqxZkGYlz2rLdS8P7kecqLrwE0B6YdKEMXax3XjMmrPJWtE_kJ8yizfAfJSXYg3GRdiPSSAdKeW9eqW_diPZL0x50waNT4C_dsEeRzm17aoLnmuuLakHf3q0gsR0KvHkttBVAEOhclVhkvo35GXievC7uB.lsLZ63D3gsTDU.aM1FAEUrnziDsgBWkZ8PBTlOB0RZRSiZb7FYMvFu01TQp8myt8c9ilozqrQNDBFwXFrdelUnakdUhfnuVz1RmRYuWcjJaXfF.ID0I4LkruO.eZBaTGyKZeSX7e0JslRvIe6V0QxHgLE2JFgU0SjM38bvvlLh6LXK_llDMITYJ8Sa56eJPPJeCUy82x0U6OsYlN0R3FbXPItuWsu3gmvki.mIq3ebeEBLI3EfzoclJn2Ll1.AAlkuFdnCcCSsOXnUakWxuS6E7v.QRfZRRwkre9rOdFzj1mG1KM0ZRyh9mhvWW2GJ5AshZrNCv5xPfibnZBK4ePodxjhhWI7FHy_q8BSsS0vEWAzMeyiV.KmwpRpCORlqe9qLto0O.Pk1YwrRRh5USuNpP3.0RNMgwxw54h5dSIjl5WpXbKo5MDWuUH1CZP2I8IHGDkzwVveyJXT9Kb8dFEi2IkG5h4zK.MuqnfUXJnSIKwkt.mwdUMZT8LxFfCx9I9KbitMdF_2X4oJGw1.FVyh5cGZW4V.3NThI3JyV.NqqHw1KyHNBp6O8haw3DHFGaowYZ2rqeEeDevN4wc8ujqnpjcNDtQ2T.T.jt45kNOkEZnQFvXv.bn77DkbAa8ezyAxevABMCRgo_soYbZl9tyIN_9fnJppQgX0D0IocT3fbxdZ6rM5EdYX2JoUokgKYXeVzfCZ4OEqfkyFhr4Dv1nmvpB4MHfw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f656c3bd075a0f';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\/4351987260?__cf_chl_rt_tk=hbO2fsCYmun2q_lfQ9ngOgsHMHVtGnfwBQqEK1SS8Sc-1739130107-1.0.1.1-jbyPVdvz7jRXXhGUyedk0UpAyMspC699tQ.xZIlrry8" + 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