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-985659744518.mit-edu.top/post/5820719643

  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-985659744518.mit-edu.top",cType: 'managed',cRay: '90f3a7f0d9be7f56',cH: 'pcDULavImwgDCeAPoXDxHIpbj2S3T1DDih4VvdOg734-1739101975-1.2.1.1-LWI.XdXQb5D3TG.c7Lvfb7RZfWXnNZTAwljqDg2FWsoWbLO.4dk0LJWelVDCUXcX',cUPMDTk: "\/post\/5820719643?__cf_chl_tk=RkMbyqGvRfD59NX6PwpgcopdxPV0_9apzo6dnwrZcr0-1739101975-1.0.1.1-YNg4it5Z9NUk4xp0aJIPRyyGu9G1p5p1.e9IqJcnbRU",cFPWv: 'g',cITimeS: '1739101975',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/5820719643?__cf_chl_f_tk=RkMbyqGvRfD59NX6PwpgcopdxPV0_9apzo6dnwrZcr0-1739101975-1.0.1.1-YNg4it5Z9NUk4xp0aJIPRyyGu9G1p5p1.e9IqJcnbRU",md: "5UuMEgomLTUakYPw9sd0XjCklForsHHxvhZcPDNhjjc-1739101975-1.2.1.1-HnApEUd.YXiR09GcaKwB8AEp5W5EMEMD.6Fv8h1p1A92HTbhbp05b02s4GFZqn7lD8yFBQnalh1QJGHDOf4yDna8f.qDa0QYDCr1x5XHzWZFDUcPEzhwIc6wDz2fa82Cl7mS7shiJxxwV.lEjSuyymrPqjXbosxSvZGtBEiPyN0crGBVGj9g4it2P5Qs7tVPGafJpNW5Otev_FLn0FSLHEWR2cBWQsemRbviuyx0yJ8nzpSOcyGPF_Xe6KKuUuKHtHu3kvl05TeYYa3WuD3JC46wCHvIGK8pzAA.IASG4FXP_6qeVotbSj1A7h7k2gCyeRsJwJI_7GM5iuEOnMmpNvQDYyLCBodfv5s4E94mqnhSjaIXShYg4wzERBFOU2N_JxZTwekVZCl7gT4N1SWRxHpS1UPN5azeSU0XEJsahfiZrk56n9OvByEnnQE4h4ctjPQ9T89pBbE9ytY9cm9sVe81NaoFHAvXk5iElfeu3QQxwiFPSGmiyAW4QSfEcEaHhw6V0zCpxiMccD_RAsNgXei6XAHp2ffdqo.DyK7D1YcyH2zL02iTl4WctcIhkuuzmJGdl0mydcH4XvFKqInJCU5DUfkaIda1kG29GSdPSqPR42K7aOoJqHXIUMLS3IaNH2G5zz61mltj7GGkIVR56KBauLOcXiqxFZk7XphRHynKtVqqyKOVj8pIaj8Ndi2QLCHeRWVqUhbgj6CQrL.KVxmNiQGnJmr0Z7YUbQNB9G9TBJlZHMyjpZ5EUAzmKdZDiEQvPfSH79gn7LYHyCtC6XuxEJVuHcLLYXzyTDY322_i6V_cpsdke2YE8NheTCfwXRi40cf0VbFNod9Vd8lsAUN9EHOT36TweUvxOvZvWxpb39NOhbkpBx1xE1rPuvSx5Rb5MJKDgExTF7uSJNF6almbFcmm7Gii3WIHupcT03iTV_6DBw4IrbXOZgcaoUMP9l8HGsUshOCzX_Iy_320zWn4..rqx0S5ciWhC1hS6vMsPhBIvtKJcA6XnOvbwAUCoiPYbyawkaaS3fk5qKdS6m7iFpe_dJT7aKJNG1YoMLyCMYqU4Y7BUiy3S7e8A9cgmWu3k0pKxA93rPh6j5i2XACtsoKvZx1NJ5RTldajiQtB5QDKuk5XdPG_g6gFHoFpb67woyGrz72IVMwA_Ou6_yQrPD_PcpcdixeSHxI21mJ5Sp1qaASBIFBFq5jZN2z31vHZacl26zRlcDb0g6r5riHS_WApx5BvyKfIqVzaizRPuJPxM7zVBzDClQ3aw6bnuFgxatG30RbRjwB6iXVa5RC1za5puw.SkIJwNOAdLW_Z7WbL21Wx0f2y2wEcCX1kh.Kqlvso3tebPKHR56CaMBVbOzgKxPkC8rEfOb2txAzUrKkXFgvJRhvOasOcP1SZNjP.wKiYOJf8a8g54ZnNLX.KjFvpsVkkKDxGFVYaj_57xDvjZwQ_Cuge.gFpvEr8R7wuRzSROntI2HRuUsjA9TDl_6r6HgmbAf2s._dc7lBE.Py4CvDPu4FD4R54vTzr64jv5tyVs8yb3jngtfzY3GZfzkULI7ztetgzSXUlwPyor9m0f8aCB6rN4Ppe1R3jMUHNwAj2Pih2vv0n8fJxb8VdIxZiL9nYNDCi2TkZiomfhV9p92rHl8InllUrifjSP84a3l3pZxFyUEx.J7CJt45uCqUdlXRLgegJoHAfjA3xLjgnWqsx8.9_cdiABUDll9cXavYdvzcn7gEu5Sh78ZtkJFWUYshVEnBarfLP.9GCUYlWfDO8Gf2UQ055K.1wZzluawAngQoOGLXPcIMKd1ojHGom7doxtgTFfoNj77LNB39BtZRMDzAoyl3X14y1EbFZqsVjNq2rUSyl0oqKgREiyu4_NDEkpLg0qq7qrN2pGwiPpOs5ySdGT7QEhLoaz9ZS_H5zWGM3NOGYEfIDjiEaM78YA1FPdjZk7elP_yhKvbxUOPFX2OV3.JXN6MmdiJGexhzjQNZ1SJ9RQgJ_qPxcGTEKUJSC98Hoee3mu1FKwpUX5nbye8wDjElLmNZk7YvtqSkEHfnxhqk2uWdCAxgVWsybhfQjUKVx2acN2iDyzodrlhq260KFA4ViKzHgithIbryOEVq8nRgGJ7FXR2sXMyn55T7HhktUxZuXFkFH9zOkACSjdmfw3wpIuIl5NTlRSmkSpB78MLZwfCboj137af0iHUjIKStWxTE2IzOCQ.CStpITJDXJnT_vUBGs",mdrd: "jXxDC2G6ThqMC6eaXNRwVP4Vx.6L9tQIMEjFg6bS69o-1739101975-1.2.1.1-a5vDJ0RjZjdak6IAe5hLD1ysqNCsjbXv0NUqYEzdXTGKTSbLkaGPH7XU3ICLeatAYwerpfRjs.bAJchq3qUfcoKUa_bUgJhmNJgS9Jvt5JGNiPC9LfwJVCni5fMP7APOQ1iewU7KUjKlWWVLh0fCV_k3ekhMWBrl9bmWKsKMvlHdGECFcUkiSEjFFVL6HwrJGtyaqN2ZzCphgGXysEdiBDhdTA9cz4MGde6KvhSzGdIPuw7c6dWUmjE2pwW2nsrR.7wU3VivhX2Eo94eERRc9zw8BhS9QjQtuAziParw.VimYMAq6Zeu2Q_Gdp7iSGMRjsphPfWd2eJh0Ra.Cd_TMcdl4eJhPFrAhsAwo14Nvd._B2.k_YomJ3pTo4IgrpwweMYjyo1E9KXb0isYhKwjJ2AxJq6ayXaJrYATfw_KzdmiH_GkVxw1pKUGoSLR1FuNg.9xj0aItczdgCzaDjxc3P_RBC1v7wAnc2SOloN50k998VDThaILGJ_UFxXRvG5Qg4WqTHCfapQSFM74uhClpOoecpka6PU7VAq8P7q5_pwv_rD9Kjcs3aee19vvnP9rfp.VKZkQoH5fkvYZI2EF54NFhStf_loa6RFgB83m.olnj_tPOFz7P.tBpi7y8mjrTx0n9PsQp_IUAc2_ihEp4SSOYgM7ERQVVAFSThLK0e2mLtIQDAJ9jjrdyaYjwxr0Lkd4t7w1xGEKDwyx13Xix0HiTLQzHIWy31TfPDySZ6XzGexClK73SgIVwUg9Sfii6okb8MOUhwxvwXvLqKiymXMETo4TTv0czSFbdxUHAmj8YkgJuVp6xZ_cmJR77aUbuC8qwXzeEKYqz7myIvfnmHWYlcEeAOog3VNhu2kvJ25XMeS8uH4Q8cs1cl6eTpt5ww0nN3hk.RbjN.h1yz_57ny1RWFTNw0xNxHcSOY6AHG5C4gubTBhQq9aiKl7Y4INWN0VPp0QEMgxUGQY3Tc5Apq9a6uNEihNv.Aufq0Z0nvNUCGcuS8bVj1o798BFuUPc2kdSbHXQTJZ15jme.0Np32mscIQ8WTnlCKyEcELRDulwpbsJ8Dnn0qaHDcs.FBbVSoPxXVly2KKln6r7buQiuUlCCIxAs87p2KxVOr09ZZl9i3xBBooZb5g2Slw2u41aVDNVazHA.hL241Zz6Q.PMtCbuxG8Gl8L8yRq3qHF3AQmGME5k3IHivx6xH0z5KTaAlBwgTDrCwaYibKpmSzEvoIVNazxramEeL32oZF7pe92wsJw_YvOyVjZeEAeBOHxRRPKaT4DSnf_YG2xoNy7uv_2FOB.LtZTt0rOufCBk_85XNPig9uWqZWH3hbS_0bLhmSZTv_uliNmDArQyr1hV6z96HocoekzNqTHJSKHPhk6cRPl9iU6d6C1ConHGhZrF8sHhspGTRqvANfeoTKKFev1GIpXaVoOwBEntE0olTw4ygmkC9j._lBGLbo4sz9CinYMsqf9b6LFmAE_wt._QDzyKxTxQyUw5DAEjkwKrt71yspcM7TPPD73LKTqZ5tSj3Yhic9JuXw7Fe6lfgvwOG_HBWuNRD2DZu7miYVXzHXqIhulateVKwbBY3HLA3jsvSA7r3oS2LFjK0gVzZglAgXqcH3O4vyeP3Hb6B8bESHYt4ZyDtcuPFDNbbzzeebJrRhE5G5d2y2OmAMOW.YjbVrL0bLdMYF.CxegXyMjnQoel6H6iSqZnlRxI4v8QNeY4p439ZLOfLZrKmaiz2GPgqPO1pFCIUjMKyz.CWpkiza6lsnVV9SKt8RS8ZFQTfQMaDAKHMeMNNCboUUzu8uDA"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f3a7f0d9be7f56';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\/5820719643?__cf_chl_rt_tk=RkMbyqGvRfD59NX6PwpgcopdxPV0_9apzo6dnwrZcr0-1739101975-1.0.1.1-YNg4it5Z9NUk4xp0aJIPRyyGu9G1p5p1.e9IqJcnbRU" + 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