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-affp07pul.mit-edu.top/post/8305761249

  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-affp07pul.mit-edu.top",cType: 'managed',cRay: '90f69cf5e8d8d6ec',cH: 'cXKE.5Pf3xn0SMR28.BML8Pe.sSgrQD9VQuRJi8u4.8-1739132982-1.2.1.1-VHYjmh_8hVZc_i57aMUAqHgciLW0BXVlpX4L1poooUaLHv6ywpm.fwXTS5qDCk3l',cUPMDTk: "\/post\/8305761249?__cf_chl_tk=l_bM5I9pJwCAs1YCWcV1ylKiEfFrYFAU1Xowx2sRmC8-1739132982-1.0.1.1-4AsS1z_qOkRlu1QuiCuRl1r4GBmI3763Sx2BGHFohKg",cFPWv: 'g',cITimeS: '1739132982',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8305761249?__cf_chl_f_tk=l_bM5I9pJwCAs1YCWcV1ylKiEfFrYFAU1Xowx2sRmC8-1739132982-1.0.1.1-4AsS1z_qOkRlu1QuiCuRl1r4GBmI3763Sx2BGHFohKg",md: "99nLIhxv27mdwv0.y5pJItsDmCfB5Y23X7sSB5AWskQ-1739132982-1.2.1.1-wgePm52He41lXgDJgFyc5TvVzRNhJ270gqylUz3JZ3ovPO5bu8BeZ2UHfb0YfZ_ql30c8ON6QrqorlAU7t1zOQ0OcoS9Hj.69x8eMvra64mQp2t7VYrEBnAAjn5uzf3SkbuKBs3AOMCZ3YVqA.26dIcEQDkn.rfCIPXNIYoJC9cVYne3CNdRn09prfrlwqlLizrMf1JgdikVCm2UFmGmXR7s1h0yPvFTdKVFMDHPPkj.mTbWfk5rt5DH90JDWo0isZCjRFrdo0yHjaX.fgnfdFbA6V7ltSzKD.WDzs3AfLBFzPUDroTnyA_wh_6rK3Uw8x_RSCH5xdT7lejkHz2gm9urHEHmJ90eleMA7ihcQKZ8MTI0gQYvy1QYzcViccHzRT6Ads8gHTO6b4swaNplJsCK6OGxF9A4Vv6NsJwK7ry9JDrZbp6UZfDHOQpFrf2OXt.fRFvnlwkz.j3AVrrEFx8B3UcmMo.b9gbEpaZIrhhbV8uc5WviMegzArVbGA02zVOgwSlxzbFJAqdBSL4PTzrnGhopxniqfEdLADFf5EvpSN95STH3o67vAB.K0A.r6UKq5QmoVo8crFT2HcAz1EnKdgJgtHI.f6iYGGqYf99uEznjLqRduNN8R6hKE2oYZ78HnMW03aHqdj3MFlbHq9wOKGF5kHMo9OFpQHUvgfDxpHBfLLAs58o4Tat8Q2rcPXvBlBDpIhdlBQ_ZMM.ZYtr8As_rA3YJ_vDn03pxZEbVgpqKZtCU11EIXhA3QXFozP62SjwlC_32wlu0hSZ3WCVSMAKCyhZjLSW4R58mZK4RogAzziZKtcIJfCzfvrzeAC3yAWrVaJsS0IbE1s_85E_e94GWV9ToimXtdx.v4dYmvu8.9qEqNG.nqVrbRK9eOr1mahG6EKLymfoFzCywdYRUtDuGbc0ndJFnQkgk.gB4tioPBJVa2nHNB4nyeUbEISCGjF0ZCTxQbMfRb7CIt6Y8w5bFi9F8CUOjgXICRsdwsi03atNIoeZg9abE1Z9qiatopX4tpgZbzGBCQAKSjRD_su7FXesqNPJ4PiJTk7tGM9FkshvYRdjxK1rOWPl7kpdd7XC4_.hN74_HvHvItV9_g8vfY10_b_zI7pAd08SnPo2JxhJWvBkDjwIwmmHiolzIlNeRLqQlcPe598j9daKh3bJ_SJ0gAGSS2Igf3tt9hg1SFrszxPFJOpiraIIbydYMkXr8dB46VMLQcH2uAcNuaym01vETdtQQBS6bs4oxngRQ5mWMz8.4QdQgjkmGsPzpqTGgwqJ0QxPKXwLObuVNHEPe.7o6paezUFdhJnzjATV4CZIBxLKpW5Ooyx7HX_m2SnStS8vQN3mj7arTUhmScAP6MJLEuZhLuIA7Sdz5JDEyVterSqPcni6OuzVlGBIu7G3VkY5fd.FgmE6k26T5u9lD2l24TzPmz5kod67pW0oNZECkcIAYNiuC1ZxlT3_occFLTegNmpFLuQSibaJwzmXamgNd4zI5nxSiHB0_Q802GnaIh00TKUdtPWztj84oIgYwaUsBGUExzfnQKvIaauPS1LZ4g7gaggcRmOeNTpzg4jBTrDbIST0Hg3t8jsWjIh1dglkpLMU1VqCA3sm18fLL56bn0zTlZkitRh7iOUe48O0l8_BYqVVJ4lvpOdTVkOFviYI5LVAszZSrZW8pLNJeE8GGwH_tTvQ7uqVf4Vkx0SmCPAaA5CyCzV9.UaPJEmeKqGflkDO7MhMlNmVZW6jsARD6DuY4JiSKb4cJQXAWqcGQovJPORgi5ZQuQ1MDt7.t55mmU_BAdcVa4fQiImbtjdvCyYzDYLIrQiJGsxc39R65L7L8.W21PysIaF9cX5q6L72wCryJ20z.OcMycmbwh1I5fd6jrRyh3o__yGG7tguvk1J5R0bfusjrzrrzzuQmV6DBvj7EbQ7NyJiw9f3jGcwjWxIMVay1szyOsU.9iL3JN.ivjP6Z_J76FrcYZ2PMEZ9qs1be5XKecksw80WhT08eTQnF8Aktq6BU9Ufjtnc6ZW2HKZQ74c6oh9HsdO.6TsvUHkWyJROShMljLoSDwoSWApJb7WPkEsHA3GRTCdm.saCAmgIAfSLOSyUDAsmUbTfDMErEybwDBWntfdev.CzKm3YFK5vupNBCwdnswA9x5Xwvl7tRNb4jo5IZ1lsxSQwULwpQ6_i2aMEPapDk._oT3JMQNLgREsXT7hpdqj2GKiHSuA9udgxi",mdrd: "5oHuw7zvrSspI4BI1tpwbz1kkU8kTDh.2Kys0BMQBzo-1739132982-1.2.1.1-Wgj4ilI3Zc5ex1CcnbFnXjvyWoU.IGN6MyaGex6Zf6JutBnqwdM70b63cpiQpM1lfQboI5CQ46X8mwQNsXus18du69T4t7mtemoV2dildb2XZzRdD0KgGLcdWEiKLepdmkBGu9lS.CNtEYrmpg_R002tittbJzLp0_qGBAj3nJyOagApyaDbSxjokjtaCfu35d0RdpZjKF73N3WRH59IWx.B2YIJjWYGrSumhj6mEaL6L5jlo8ELh1MiZJHxu8wXQFG.qdSN9nQi.jEDH2myWYriwRcZDvsCJk87t_FztsSYLyzx5nxM0JF0Y_SgO4s8RsI1J4Z1vIblzr5424Aj2o6ly.T8E5kGEdiq.KSjbNs8.IwWTw49AZfu8YAAd6k999y.AuoWbSilPgSilpUNySwH51OGW4IolDdcNs5l4j_1fpQScJqHcLKZscXLhTo_9R8B1ubdrTG1SnIsfi0rQAVOU6F9..XBjRunKBA7F3FLBiIWrEapmITEvhEWX.bZl1jutW5.HubQxJy6wErCKInAqBWIPUUvH0HqXXsBP3H7b5UmIkDBMImsqI6aXaLbVXvhUmEVycSfyjnE0Jy1RCs4gq6psX_KGIPT7x45pWTfOiMy1.TDa6hNCuK2z9wieiKlyPMFgJBN9Eo2FuTyPGZEzfax3XS8e1n_3c5ZcTZmJ8BKuI2PYXW6p7vCyaxYKoA49gUNvUMER.JhF7AYZb9sZHSvqKML.8EisStbxOpJrKr7OABieV_6eFgynGWRThIsMSK_JnhPF2.s8ZtPhomo7IdQBKOLWN4.ouUPM3efF2hCYlnRnpgwr9PuHG9g49frph4.LtX6uXGqDqrBYTA2dGhaCxYleHbPI3ORSKX_VZfUQU3r_9ygUPfj3PLveS.fKcZHOPm85Z7jVNuAM0dIMII_Ci4YdGvFORW8Lw6QYQLlU1c7MjLQhmpxLpr6ESRRRQWHc1vN61Bfd5rHuaoWnjXaNo4geJZ71A9B09tt_Zd8COthEgjXTk3EGIk7zvNlevbY6wVDKUxeDykehXNvQplOtCuDVJQEUnHJr4bknfDXZaLHQKFa.xh2a6cKslru5s35CLn4uB3dfqRbognHSbzcb4EYoy9upfZMF8tSU2KE74k8xx9mdtZQ83KQzaBGuXLtG8LtkGKVbnHEgwLJ.zOf7ONXk04a7Cb2.YSd28ne_a9RyeUVQlNsvwsjk8JdnhkKwOKS3DCqNFVoFsqopP.oBKxYJjhtwlMduPcAL8Gah4LSLwHWXVgyksHF_9B62sMLdu8qbNFcw9OvUWyFRZJHvFaLptg13leG32gXAkJZUD7T32BLETwtci5ouxTo8NoEMLJ02tj7Bx7aSN.hHqo0l1FUEWwJMzFysZ3vyLMKUoz5mrD91qdzr31alVmurQBjZMEjP36QB0G75l2YMkG9tCwjZZ8vom3NJUR4vgJNLbD.mVqOstx7LwkwfaBI0ICeASevaBXi8gbJCu5T7FfN24HqOvVWE8ImvOpLRfMktCfiqtlCZYl4iweSQFoZeFfguy9_A1qCktDicldPENWRvccWfVZ75SzZf611e9IKbsMTOBx3wjwWOZTpDlWP6Cf70zdCnOp3CvPRAnGSfHL66qM6eISHEqX2no8x8zNYluJ94v8p0fACoSOCsl4CHi0ts1ObylHjtY09QdAll.HZUFc7e5pXNb1Oq9NIVpB_J1ksPXDvGSZc2Rkz94tzYNHN2PUWdwoqtUFuF00HqKyitO37txwFgUH5rpsYWe5Dt5H8kvKa5tjoAOTE_8y_KJvFlCg30xuz66S9W_qDwvATvBuQpJAqSrdAvZKrqFlcuddR9bJpcICYaBQ2"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f69cf5e8d8d6ec';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\/8305761249?__cf_chl_rt_tk=l_bM5I9pJwCAs1YCWcV1ylKiEfFrYFAU1Xowx2sRmC8-1739132982-1.0.1.1-4AsS1z_qOkRlu1QuiCuRl1r4GBmI3763Sx2BGHFohKg" + 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