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-affp9euzk.mit-edu.top/post/4237685910

  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-affp9euzk.mit-edu.top",cType: 'managed',cRay: '91103a626f88fc18',cH: 'ssB5cNXVSlFd7YhfBWt0ZqD6gUM0_cq3Ok7LFcqvbmA-1739401574-1.2.1.1-41JlsZv0Kaq7yiQMsTdCNHpqvn.4hUUyWAKSKJ83rBlJDSD.bbpiQVTYyRYwjteC',cUPMDTk: "\/post\/4237685910?__cf_chl_tk=wiGQtLV_MLDX.d.XQnPWdKMYtPp5hr0I9u7NogEhANQ-1739401574-1.0.1.1-6hyBPAflrxz4YlIwDpg9kA7a1LsI4VUiXYAUQGjw4ec",cFPWv: 'b',cITimeS: '1739401574',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4237685910?__cf_chl_f_tk=wiGQtLV_MLDX.d.XQnPWdKMYtPp5hr0I9u7NogEhANQ-1739401574-1.0.1.1-6hyBPAflrxz4YlIwDpg9kA7a1LsI4VUiXYAUQGjw4ec",md: "TcpfbkHhGUpFF1v_kDBHmmb6lwPRz1lO..5auCLZ3sg-1739401574-1.2.1.1-jOn6Qf8v2L.IlY_gFoQqGYHNe09PkPnNRkPdFAb27fvciRH6XCjrbfxnsAdGv.pz8akFqm5QKUZgZKZUAJA0mv.Y3iwIB7HkWSm9F4jaUGXduzWxlOgZIYGEBsUdFZUu4TRdGcXhCCLGpIsuI1zLa9XihdhWbVKLhMVDxMlVWwFzLrylR57i2u0k7WhWKf3KkQcwyo.pa5N3lgyNhcHV4ALwHHm5PMsdlYg.Rsfv1ksH2NHWZfO1mc8FkdCpQJ85c4eYfN_0BlSXbDcrQxB1GWKmm4i7vji8ndqHzHgHenGiXaIyvMzaF6AG_edtcVUjVpGSnWSNjZM_ZSRiAQQtC92Bi5Y9SckQx.RaJEs9AOz6_RLx72nwwAfWMLr5my2WwNt0F0qvcpOV3jPrl6xCkVcPNbgj.KILA9Rpd3_IbImVWKZhk8W8t71TiJEmPLoiFFH1GYavuStbaxYW.rcCXIMruRpF8C_icckyhwzNnMPi2A_mjIrAIcB8ed24QD2G4t8YKVI12OihV_O9G.0Tps5AUElTuHC_H7b0dqXz41hP36VdMLjgEE5zgS9q32RYd2RAc5yXVhXZSYg3bmltGStKtVQjJb27J44CtY4CpS_Vaa2Hsfn64L88K2u69yoLsc4rJ5kOlYRLjl8fbt6pzrUEo.5nDD.qJM6PIsG.GZuDjbW9.doO0jHdwTjyU6LZVCCv2VMOnpMng1jmElLDHXet_i65ofDjOhrk0lVluSAI_puPeYcrNLtzu4ejEdav9pe0TTDBFr6118NiE3zsuKvuC2Aj4uQ_F8YXt7jrONyYSwnM4ROBiBAkt1d5DQBbn9vDpWRDCsTGPyJv7PeEg8_FSYAgzhGs8Q4uLloB9z0ihGuBh9l3DRc6TCq6qUI9jANXX7lgc5cB56JhHvmLBvsetcIPUdPyukGF6Zr.IGxEbUeJdsRNmKfJgCv4TxiLFijimiua.Hb5tEqBve0yjR_pDcphrFTASuXEuozytf2WSVSgwH1Hb7W6Tq_CK9VIouAPdcBzpIlA2BeGvzq1_BJ9A9356Qm8Rok4XqOqfCyYZOuy38jbuHfsovi2FngVsNaLFxRaHdWoZtbxWeZuqJb4zta69rH.go8c1o6_Ph8u.J0E4TL6Y9spJjK.td.x_Ut4GlkUlb0fwAUvYAsjYm5uKifCB9blZ..k1RK1UqMwBQ13HcIV4wkkBeXlcIh_PpHbRMySSUYKmpEmOJ644i_QM2HbJm7sHq2n24yD1uF662riGFQ8kSErFFIH3rP3YmQu.5HEO9ubTQizc52zuKyZSFU.0FAG5GCKzgO4OvQlI2qtpWwCChPuFIBZFSJoZfUPH8SkToK_zXRHajIF_EaEEwSph4Ab8ekJUB7Omf_uA6Ts4s96Q4nIqePpYA.REWSYJBT83nSvKGShBsp3s4TGuhqxOQbOROxzuQCvWpPEcrwfmI0hnbk4ecMCIyhedygPcxBW5zQyWe5TOI823u6lFjuloYquaOe4iU2xJICS0u2pv20loKnu.mpje.xU5loG7gderWzgjRzxc_ZH6l1l0knlV88NV1Ph784Zyz0LefMbZQsUK_OgS2YZLZ3zuiAq1wQrbTgHGdtzNzpJOJIdUt7dcN1EVG54y0YtXYMSjeGRBilTpMArNEdQVGkZh_Eq91SC7B4R.yagWiO0ppwzIWMO0GGSf2Xxp5dkZEcFFJUFP_QbYB5H5pxKnZLaWeOCIQlIOZFtPAkUGfpR24cDDst1MrQ7lSyGMP35V5DiuwGLKfrj3a.LtyYdS69_eUQ_aBbZrK6h2yadI5I_yUlnQtEn2wA3xe3CU72Gv0g3Epu6j4bIvTzNW8goufCQrqCYZZOOvdUuItUWha9AEA3_hpEKI8_ZK.xkiBwom4Dnv02LGLayuM5wvfKJuPKRYec4KO96Cuco1ngMgtAiGTCRLKdd9KI.xeef_tR0v9fhNah9V5ZGs1wsjqilp0vIXGjbBKm1hmwiDa2iSdTSieYeAu7M0kSE.SyMiCY0sVxQG5bRDOUWyo3Wtzz89U2PCeb3t2A1Caq5HM6QbL9mqfWF6AqhvzcFlxSdM3h69XQKuXRK80s6JzPFlcBednUwuGI0QujNpPh6onQgSF_etwWHWn3MB.fwSjzXpBP_dOLPbsV1LeLqjUBPA0QvxdR5H9IOSBpM3lFTRRH.nF8JuI2xH.KLTOyM9WrUBfS8qi4KLu..ifQ0QQiooEKefZBv",mdrd: "5qLyxQScoyay17JN0TpRVG8qrH4p2L.8vnxQr1GfjSU-1739401574-1.2.1.1-ATlt7PW3_D3T_qZoJtCxWGO_7y.YkCLRvZoZFDiDsHDwxEzYjL0.4SjREJckIYrJbTvjevgiqgu8X_LkN5O0csWIG2PjiblqHitIlWJ5QFp3DAo4as_MkL4eA1G8cJDDOes0mmriz4pAJYDn73hFdclBwAibNmU5PfIXHNVJDe.70y8XgmW80Eb61j5aZqKh1IRkCOY68mc0tYAKEVtKsI18LcydB02MGdgEG_cR29gUHNaJSEUePPLHUnUXdQ3Ot53.wdFzaltQZj_rG2_r295GhwMsc_1L54HtNcmi6DPz6t4npUtNtl5RxOXYx1NLMbVZUuEEclPliHMkP6n4WGlnX5a3n8Yn7ruo9Otd0K8nHWzY0w8fADKwFjtQojBFrEBb7pPH6wsRH_AiWuAakzbR04osPRLJ8l5F56zTQi1nPK_n7AoMAXZeEbXZDQXKhECyObiXnTiciX7EQCE87Cojhn7CqGpMiQCF_N8d4NgpI8fIGn2rbUPCXkAoUb.4uuds1t291aphwHl0WBtx_VPb468ekKE7zGI8KXzVsbM8SWOnQ.iA_xAbKJvzJBx.ijqBWpR5FwbUN6hKnCzVVsadiA7l9ano_7i2aAKhW9dh5Nl9VHEBagf6HLcgXxpTFXKLBDLa1KC0YTftrF32jmMQwQg1682EkwGwCYdmhajkCkLh0WU_wTiBYRUxk_GAEDj98WnPa6xRApajTRSj3Xj8QD8W_fiBJ7p8ybzOiis9aI325oNm8zNA.dKiRe3KZbO_TntEMZPBrUy9hxUaMVpOrnVgZVvX.0a4e2AAHuKk9iCEGKdtJdf5SSWMGIOj1MnuEpFrgoOtGZ9aZe9ZsiSn1ND6svogXgXBHphX7M.etIOPAp8KWoVw9sYsjmRAGtcCLCVHXS0X0MdBuo17jMNDNH2Z5c8ZirnxoI7KxPOoUtNPTI5YzvIQObVzFHbmWB4.TXGmOkWgA6I9UcO0ibhnQqLOR3RQNFo2.Ofiz0xEN9ndigq5avfD08JeEHe7b4QCW4v0HpdQWNEWBhddrUSjFhzRHxX_F5ZDAc3KMVr8fPcCJgPpZSk6.662ptn5HjFd_.JUo9fuK_9yN3FsYme9hiuPX0L2dSA91po0Lob_4tZQdhXP2BVD1Yd1r.7xWvO5FkG8rD23Mw.FT5ioZgO0WKDftCS0ah7ShDCwuqAxbqiN7c7UxoP5_OZXURvvhYt5bODoaRX3lJU3qnFXybc8nGKqsHg0oodEw5I5z6_QdP4bJ7AQfBZa46OX1z5nH25IOR43ae5bJiUN2xtr_KlIFWkt36aggzeTBYumlu5BAcni1F8uqf3j.BPT75JA1YjQMD8FlNdQOsIkNCPbHV728nNaflzwp4.PSqgv9LqJ4jAbjeyG5KNkfQmcjXqE3mfS3Lu.9SWNjmK52AlmG3E_doMQGXquZ7kuDODYp5luXbW4LPvw8xwo68bpRboxqbeeH4VhTMozKOygpwsVhWKCzcGZwJ0.RgKK2XUtb.owoVjtirRXI_E8CKMU5LtZDOxWfgBErgnX_ZOjq7WBTaIbobsARmFJqLVgsmAA7Gdqq35ySfvQRBRvOznc750rjtSHFzVlei2EiyINquvxZYrep5v_aHrPi_V8lJNuKonHMvapZjp8n39Q5LpKXqTT9Od9bV2I5ejApezZ_FXkmBzp_0cUOQBbCtY37VGW6I8Ml_SgjhoEOLhRtw19aOcRoMsOjp0GzEYMEaFcbasCcx_vonXfoBpO0IWgeCPwIP6_fa2N.6JngZNidolivIWN8LFBkEVQ2yZsFt4ei.W_oQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=91103a626f88fc18';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\/4237685910?__cf_chl_rt_tk=wiGQtLV_MLDX.d.XQnPWdKMYtPp5hr0I9u7NogEhANQ-1739401574-1.0.1.1-6hyBPAflrxz4YlIwDpg9kA7a1LsI4VUiXYAUQGjw4ec" + 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