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-affsspsjg.mit-edu.top/post/0376412589

  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,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIzMiIgaGVpZ2h0PSIzMiIgZmlsbD0ibm9uZSI+PHBhdGggZmlsbD0iI0IyMEYwMyIgZD0iTTE2IDNhMTMgMTMgMCAxIDAgMTMgMTNBMTMuMDE1IDEzLjAxNSAwIDAgMCAxNiAzbTAgMjRhMTEgMTEgMCAxIDEgMTEtMTEgMTEuMDEgMTEuMDEgMCAwIDEtMTEgMTEiLz48cGF0aCBmaWxsPSIjQjIwRjAzIiBkPSJNMTcuMDM4IDE4LjYxNUgxNC44N0wxNC41NjMgOS41aDIuNzgzem0tMS4wODQgMS40MjdxLjY2IDAgMS4wNTcuMzg4LjQwNy4zODkuNDA3Ljk5NCAwIC41OTYtLjQwNy45ODQtLjM5Ny4zOS0xLjA1Ny4zODktLjY1IDAtMS4wNTYtLjM4OS0uMzk4LS4zODktLjM5OC0uOTg0IDAtLjU5Ny4zOTgtLjk4NS40MDYtLjM5NyAxLjA1Ni0uMzk3Ii8+PC9zdmc+);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-affsspsjg.mit-edu.top",cType: 'managed',cRay: '90f7ddde49f8d6c9',cH: 'OZTGogEt82k2lXfg2TmWhQcW_Y9_phmEvhVvriKjclI-1739146127-1.2.1.1-CRiMZwzh_yi1t97A2klokp2yqnuAdj0v1vCRG3wcVfKu.g5MeAUic5jEBaecUMct',cUPMDTk: "\/post\/0376412589?__cf_chl_tk=zNtDixfwTABJT6pcZjHfhMiRSuzcKqcH2ZC3N0GnSxI-1739146127-1.0.1.1-HmqzSsyi2YNuYdJ93T6wIt0He_QC7Gzw_wtY10vQ2Pc",cFPWv: 'g',cITimeS: '1739146127',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0376412589?__cf_chl_f_tk=zNtDixfwTABJT6pcZjHfhMiRSuzcKqcH2ZC3N0GnSxI-1739146127-1.0.1.1-HmqzSsyi2YNuYdJ93T6wIt0He_QC7Gzw_wtY10vQ2Pc",md: "dDzV2YAkAZW7YAmumzhHSpUEljWrczHGXqBi5CQ7.74-1739146127-1.2.1.1-..crRyvt5.Wr0.N4rsJF4YWmv8YVG1MSFXl7vrELspmP04GxTf4Wv3GvUXMNUf9JfFvKnBNFXE_1vitARRPxE4.hyElUUpDMC3XaqkTA82NSoAAuohRqsCTyNZIc_DX7PtYO2WuZRLwMMWh9VwfTSgMd3I4EoVX4b0czMUGkUwGqdABSqwwl.ivqzWHplgAC2y0uC3UzYGcLlZUwEnIvTI9S6ThCcoDxE63_PqSeK9tqJrRJH_1vLzfkOTwpvarDLFCfC4boCSvTSWE_pa99xtIGgt8cn18GByIB3xd7G9OqWo_mIq0d90e4D_iGBthPtr0lWa1ZUl9h2Wl1DnMECDmsF4W3ojRBKiPYd5iV9DBPuW7c6A1ZaQWzkRJZXjrqaKhANkl8DDA_smorgkx2Gr_gYyB5WY.73C8KNdiolFZXx_14E8TxxCyWcjHKe5Cg4VXMQDEvIIrNxPlm_4Katel5kFubSDxWOpQcEPYegZ2WepFqBI63._85eTAakwP7Mz0EXcVCndwhLWcS5LVagKB3rFdve4c.Xs3Rt7AjCZyCu8cj9s2LZp156CupfiVVahVbQigUhj80ziqPYq3j1KIRnPWHpfjkei2_RoscX.lR2NjPfFQtJgcLhFbfw67bOXb5.liUH.ysF8kObIzsrAKpOeVJCDenACc5SeHqoLg2cMAplR.ZXLXRaG2CVZIXy35B1XPwIUxo_8L8yVL9WmPWnb7di4Lk.wS_ZhVrJQ7N9btA3JHIwoXSzz0ku.nh4_iGvJM9AW3MB.rRL8t_6kEFAUBkNjyNc4sPoAAKpRQNnALyjeDELv_DU2gfIocjrUprTOuwlvfK_C_6egsPQYOcbumxkhQEWNh.dAel7vXSi3BmgeoL2etEPrhyliCZJQq4XsUcNPBm2F0BJEqVIc9ohWKzMpvpj0SgUzmJ674K8pNSQcA3rBs1sZ8KeaYzI6vY.KzqlQoOiDR5IeKuuQKK0YiriViBi62Agsw2l9YxedAtaUwG9POnWzYasnrn9ztCC2Jw12mq_Gcp1Ahng6LOxqyMUKooRvoBFcPWdB51DearSzJyYonE5wZMluHFkD0omdZCs0D3cKOAt69O3Pgia3RRFmFYqYk6piKS3vZ9RLFAb5meSnHDarYIrxxg7ANoKQhhzY.VqOSnEnZqIYR1ro8CDCWYshNUvnSGGnpRFPnuhRO2tA4MOAQru_04GBsWEAdm8VvHOFdWR8KQLwJsouPO4FzhkaGl3ggduGkO4H8OHN7v.B.YW0vJGM_zwKMlq4MIsT2fh0aVeIFb5Pu2gPB8sCv0IcBK4Oh3js8KP56ucmu15vWZTgmS7I6dg0naJR7F.tbfpQrjV9Q2AQVNpJ3dkILrP33qdcl9ajjVWXnyy_qsqxaXUkeeTKjjf2tbY4YB7TiMkdbX3.mypGzlH7sZM34aCGNgyt4zmwt0CpDF_8ifbSLCnYPlqCivmZ2E3x_UJ0fQMdmrOuyu75kM4oi1KYzLek3R22KwT0Oky.UBlAIA09K1NexQRKk_7zrl6WZL2TduH9rQH3eE1cSeG.fTTP6PzdaAoBfzqnDVagIZfdlZV6uSYHJ6Mff0qU55LbkgoDuxPn7rT0hTOipUjPX6Mvu.Cv6eie.WvcugrmKQm.00rIkRUnhC6LplrmsFZyRtM8rSLLbB95hQlbBCtNz_OTKlq_DKiwKCbjV33FMcQTjvEN86egw3s9bcjiHSFe7ODX2WlXp_e0ZCxzhFr59BIRAZopK_nGmW_2RKw8uPGRjLX86TYq1q0uhJR7vI_12sEGNtQ_AItcietySKNbrBTDY9pkH1tWzzDaEl0M4InIr891nNUGjdONQd9r_ZRJVM3qSG2DiN3tmQxM2xQRalGsVIoF2Z0MpfWXIfcZwvXUWF37YBD8YGSLP5WMZf2LyBLtI9X8jakpqI0K9.MWUJ1Y97IKtrG4tzRMhqiH1mxst8QaIpglXqe.j1y75nZE3rY4X9tf1..IpgfJo51JKU3HgRd9jMV1YvLL2nlqDRZ0qXNEnFUhdlWi0fb0Ln9XxON7VePdHRMaNb8Yn0SZ_FfS4glEcbIZsARd66oUGMk6mCpbHwHlDv2c2aTBPzf4So5CZ0wtTMWi52gOtqkxx2pfH6B8omZB.j3atxJFQu.91TdMY8eGJ9dktm0FdxTAt_gRc.4Kf0qEGHsRO2xLvSYGyd5mSQ951Zi5fcL2ryfw0n9JJLXXD5zvqI",mdrd: "qOfujR2iDDkGELclQV9y0.iQHmpVbUmWkFwRvmrJil8-1739146127-1.2.1.1-D48UNdbGiSXfzSYgtQ4fcqrgcNy.WbhHBlFa6fiTIeGteG6izxNFNraRSrECbW2XZ6Hd0f26Tb.ui.1sw6rNOQRFCzkEcpLnMa6IwZyH8wlVYhLbE5RkA1zh0LV34JmO5lriM0Hg0BI20zrqVh9xqbBA8vMwz_fksmpoTFCVeua5G6R6KD0oznuYy1nYrYatxTuGKLYnD4q2HXZ25Z0Uac1mYzkws8NyFHZAwTECehw176pEiBzVkc7Qh3LbbTds7YmjXwl4btg_o27Wot1b_Q3LgPugTeqrhLlY3kuDkRK8KubrRkS7gccU8MEX6r7ngmAtU2saL6zeOIXuB.gNK3lx1ENByy4EDyUxB7Qr2.9OAXow.DFwLKXkam2G3u3XHWLscLutDZPxvJzG7Fc3OfmYMaM2Y9J4v4_xFVIV8gxmMaQdxMjoP5vQMbq4fLfu93hSdeA9Dod3zg0htKtX3mrLg.7msyKW.XG1x9AkhOHWmcKbB9WyZQTmRjuhBbtsxg2mOJrmNv7nKq1eYRhHyyXsot3Dha7N5CJn_pfRJZxRQk3MPESYg.mlJmmjE3v3yuR7DjawE29_d416H1Dj_YSCGl3noUVng6pNtJHuhmttXa5MmY4x5pNLz5GA2J0t8U8B6nDrB_Cz.EaPH82NYF1b0RTME5s9VezI1g7fWtzVe3YxB93YtYoGHEYeFP8DPR3022y.LpQDjXPlSythFl63v70dt9RDrSyEp3aeq3H4GffWglPOuP0aosAoHmmi.s8gI.ATi.6ni5L6jmMnvU16mmpW7KkGdwjEQSm0yGJORuAlLMFKIl.kfkA41Hl.70wekmxTfTlP_4z1rLJGKlQIP8udJX2.GxpnqB1ta0D2JjT46GCTR0sx.bz5Y9toXDDk.4ZgBnjNl6eVrxJgP0Js2Y3OOllfei0gxhaAAeVKPpL2e22H3eVycE40dNnWEAfoqTvakuie0V9TC8be2UGDhaOZOUvWOtr_g0gI4mCMOXvJmLE.aAIDxA2Ez1gC_p0tYU8Y88oMEiPrea4dA4GiM0NrntbKtEzfjz653rajIJwbH8DPn1rYvGm9bnZTynvj.vU9.fQFfSJuNDUsxjpeYgoxV8RBNv3pZu3Rfjw3Q_9gCF114M93rCjvPT.i3_la1IW5ZvrHGMM77mIqZPDZY4GCUNl8M4AAZnMJeMXho1kusd3wNW.DCH9_X6RRFKjVNTIVGm6WgWY3YV61laT.JD3eX_19itor83oL_zaQON7bXrsXE1IHOrRfT0dYsz2xhvD7PoYDRMzEi8CDJM_tzNsLCfMH1iCvhdRjb6vgspi0M_mKjUcN70edw9efhkALlb.3oR3OTQzhqt.zv8aGT5ugA91vTcPP3VJ16LWGJJGSxx2OHmLW9.mdogwX0Wznn5VebU3f3HvAwiwbM.lTkdXCNtUdsYcCj1iAm9k15OcsaqhdBy30VII.QwGBPyvT7C_eEz2r4XsgwQrx0A0YLVWKBKInptnZK6_Iz34Q2QmikkoLer9MpAp8A8GdmfwjGvz52RfCF5_IaGUYM3EvrMPHePRDz5ihWOPWFqmnlaoTRxakFFfTKgWGCEPYnqxVWP8O229_WlY7vkA2wQTxYsof1ExoKxGnWuqxBwD17jDYuGZ6g8Su0FR1fcXx30UDghbqvsXegVZ3I.7M34q0kjjpioyHYE1LKzXWqQ4RTNQJz6Vh_b1cJxiVdhX3_ZJhXyuRb5HVJ53m5Eb1KcqPFgm3EE3lG.0rMceIXHtdeIjjbXipgV2xuTgzo0y2u.LIhaDyQ1hmuUPHQGthLiYqoCEXUwJrfC9AO9gO5nw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f7ddde49f8d6c9';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\/0376412589?__cf_chl_rt_tk=zNtDixfwTABJT6pcZjHfhMiRSuzcKqcH2ZC3N0GnSxI-1739146127-1.0.1.1-HmqzSsyi2YNuYdJ93T6wIt0He_QC7Gzw_wtY10vQ2Pc" + 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