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-affm3hyar.mit-edu.top/post/6407281953

  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="360"></head><body><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-affm3hyar.mit-edu.top",cType: 'managed',cRay: '94adb1f069ff2431',cH: 'IQTL49u761FhgySGlQYkhhmciwNRozqQGUMcC659KuE-1749105799-1.2.1.1-6dw4sLxkM6V9xKTmT_s_ekMIxrq67QjIBd7Jq0MBU__g3vRmNbnNanG4teTkVDTL',cUPMDTk: "\/post\/6407281953?__cf_chl_tk=d8K5.VS9Byft_eNQVGfTRTJ37eBPveDCk95cM8o8bz8-1749105799-1.0.1.1-wX_9Orp5p5znsoc5wRWBlTvidfkLultpV3wm_bY0L8o",cFPWv: 'b',cITimeS: '1749105799',cTplC: 0,cTplV: 5,cTplB: 'cf',fa: "\/post\/6407281953?__cf_chl_f_tk=d8K5.VS9Byft_eNQVGfTRTJ37eBPveDCk95cM8o8bz8-1749105799-1.0.1.1-wX_9Orp5p5znsoc5wRWBlTvidfkLultpV3wm_bY0L8o",md: "Qkc5m6qE2DjghC2h_2lXl2BRgA.x98XM4GIMU7H_8Lo-1749105799-1.2.1.1-PIAdu_B7KRmqBiVusXSRlc5dBwTWzyks3spLZWCPiD1yTXUc28kH3kiG3WPTDv8Wek5FBJ2q3nthRlF0HdnMD_Bh.e6jZqj4eLSuk01Uh1L1N_c8kYmbyqVcdO8LbFVQcG6w0NbJYBBwoEgB8hUVdYRkchhAEsEOI2a.yj4U8mEbw1CkiNq6BIydDfAhgHMilCClLl3tvLB1fqd8Uye5Sw3pKaq0gReGiMPPE3hSQY__i8UFoDIXgxY79vpKk_tz.ggDkAy7VVJnIS2JI8XyKtwa1mfw7bc96vH65pI2qlmkx4ItQPkji73.tGyMt8xTrehY4VStDzBFjy0rjJ4SZaJLu5FUi0aTG8jiGpkEUB1sAcWFcYPDyZCw4lvMPrXkQ25Mst0jYR.8whHtxUuhwd7erCmWLARnxVdGtMIq03fP_spCilwznQo3D5ncMhHZujNPdZhC_WwAOwtTWg5EMU.yCcy1jz_tU0Wi0EmGrLJrRUIVoYlOUUG8TnwmgwhHzP9u1kjfPP9LWvXqD5ClSl2g_agc9mRDMpbZQJGfu0hLHI7j8QmkRj8Zax8h1OCfVHyaYk1UJbYsWXRqdpHLZIicnxsGT2FBGetxDP7P.T1BE_6G8bw20Qvyn9.EJwyl5lQ8lupCXub55t95CV3XNTM.L6peVM3K9GAv16B5BXUu9854x9dQpiILlVQ7u.6qfLuewNc4EsROtZemY9BATsP4mVlbaO0AvCHfVhLovxSaY7mFKwlDZ6kj1aCJ.RCpEsZ0Kh3dtHAocV6cH1kA3rw62knVJ_ozjZQYP2odh7dr4HyepFgRKwyP.cXFz2bM",mdrd: "V05WyBaUgkt2i3S_S26Tj6MJfsPDtng5oiQzs18niaw-1749105799-1.2.1.1-6UOmO2mkOh0K7hFRunEQV5y8iKDnlaALkoqfNuIwrSARI2iZcABSoUMLIVEQxbTKIgcpDpF_NPlYioAgaielgQ0f8ls0lcY7MbhTjwpFrx9.co7T.NrTf6UXXLJSZho6Pd92QVGG5rsaji36SH3ADh0uHWssSPCVwlzoJKkKtJAsPmw1XrvzTx622oNBmg9LvIlVfob0a4PqHuWPoUJ4y8tiSIYRlQImZFyefRs_ZVUSUJHaXF0D_STKgsoNDGRenG_ToWtPTk3V62750a2AMBFMJtMm.qd5YMn6veSjVGoXvUV82WE7Z0g9FbMWQZuQV6Xq0.DV2CBnY9e28IJnSkwHXu8zqs.O73Xhe.gojjONPxWvWl4ZPAMKzAxrZGe7XuyLZqlj9s.o7ctoVjOg6ukeuL_0kEJW4RjAUGs5DRXapqUg8neDud0VuVOWeubK3M.INz2XnaWTLL8mzVlmu7phx0A7f351REUF53AI3kp_CBtenfqGoJMrUwIvF22DQ6N2dtOrju1.NMaNBCGhAF2FG1GU6ST1R.YOlt.S92S7zbjdAMfzDmLLWQzkDdw9ngEjDc8CDTUX2kWoG7JhQsQhBXi2LxrWpj3PQyKJkJGo7Wx4UGtz5xa3Uqlw1ZBFY3jf8zQetabKBkP_loqqLYI3gnrINHCGfr4l45W3NKiYUf4E3jd6V0i.Se4r6J9GK8FG2Gc7IKvXKtr4FqQq2OCVcotXjBICS6DkAveHdAW8lRqzbmioKzYCIJUjcVtEEEA9JXdBCIXTn41Dy6DKXXWd0NfJL50MeoZiLif4F9yvhgQPsHHpg0ohoOpyJ5OEWMeabJO0QA5BjQ.R.frNbaz_PAAxMZPZArXh6qqVx5uGOwaqfuJ8JDbiQhAXI8Nri4zYJj_1pVYWMKza8cRy9JHnK8a_JDo0lZheNCAp3g950iE7oKO1zUOVVWoOo.seTMcoyxNmJBmZOB2TkfOp72MsSYRbCn5MKaKaK6FqendPZOkMjZaI8Lr8zER3GJJqFArkqSVTzAmbFhweCYP_mjMUPt9PfDj085jtpOqnS6cIhEX7Sp2zvsuOHnpPHwg7wLJ1vY4LEaRn_Hq6sl3QSQwbaeJdEhOjV3_JYq3yw8Yk6kPZgTp4uMHCNK85Bxqi_MUsOIC5I4rlvXxb2bLksfyr_BZmq2wsXenmXW8ePQ3ns.OxZiylgHaKx5B_auO_Lh1wEu_aQQdG1_ZplNyscXTNOATcz8cOgVWTZZCl_F3TXJJs7KeYuj1b5Y_6mms7UiT6Reofyp_fQXA0om4HF2SoKbuDuj_1B8GbP1gm62S2SkatrpfyMiH4Nms_T3DdYOwIn0R8FO2hYa7S7kPiiete1VQeQ6T149vo42BNpIGg_CHnvih0i2QXT2l4BjPY_1Nd2n85JDcLE0j40LtyQBtXjYJFn_ga7YPBjJV66FIgJqKuQlHp8G3XU4wYlQjqwrhS1ihYluT42J2XhXzb_lgmTh58igbG09Q_4XUBBVt1FVCvLvol8QD.FAxc_Uke2hi9BtAX80Ox9iYijulqJZ6GztIpeZTvJ0fhBN1kgwUxZrDq028g9Da1EF2Rf4SvpUENizyjJOjXdEYPteBQSA2sQEMUDY5ULaOaiLysqz7EPGjyEcLllbEY69WOQrcj80Wy25E0e_oOYmoZ0XJ3TkJ4lG6RzRg77RhKMWJhsCxgC9sVx.jeDbou_dMiosRsDYnGxam3b8DTbutXI.HPkDm9_9aL2xj2F7Hemx0dTwt5hVAZ96194CCTTGajrc.EPWHHAdBcCmEjaFAosvbMw0G60HcSSE269pSQiAtHIO_iWLpgvkws09OgmXE8.Ep9KUQbgHfCDRLZp.1v9D3NX29fPN6QyLbL8P2vOFlttfQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=94adb1f069ff2431';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\/6407281953?__cf_chl_rt_tk=d8K5.VS9Byft_eNQVGfTRTJ37eBPveDCk95cM8o8bz8-1749105799-1.0.1.1-wX_9Orp5p5znsoc5wRWBlTvidfkLultpV3wm_bY0L8o" + 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