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-131375500494.mit-edu.top/post/0528176394

  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-131375500494.mit-edu.top",cType: 'managed',cRay: '911046abee0e05d5',cH: '5UEP_lwNfDNKswF7ptzYDZg4GGvjD6R8XnoIHNhlH_Y-1739402078-1.2.1.1-kaegoLuCPON1R6DF0bxLa0kW47.rnW6pQWEvmvGNj9s.PZqrQVbCMXe.qL.VICMw',cUPMDTk: "\/post\/0528176394?__cf_chl_tk=5MkEYnhFAhVneK_wTGfw_doMiwLBz3Nm6VyHrQe0Bo8-1739402078-1.0.1.1-2Qr6Vyn6LpALQ48pYNm0h1ua4vx_.UwVBcQcHxalgnY",cFPWv: 'b',cITimeS: '1739402078',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0528176394?__cf_chl_f_tk=5MkEYnhFAhVneK_wTGfw_doMiwLBz3Nm6VyHrQe0Bo8-1739402078-1.0.1.1-2Qr6Vyn6LpALQ48pYNm0h1ua4vx_.UwVBcQcHxalgnY",md: "7_yAlfiOuwFWo4u5y5vBZiOGx4nBdBj1ro_5ALwVBbE-1739402078-1.2.1.1-gxZRdTcX8MvvqNO0OcoBkAZm0LCgyRhHjXmn12uR0b64BXc1vGcmEYGEFazWqJgWt.Uuv80LwJDoAE17N46lEg0.YpZVQ4MAaYNGol7ws31T.3FLUfc1wJ05M59h8udHPnrFVdqEd0ctl6oGdDiuKFlEiCA.9mcT4N5PextJeJ.CBB_lf7b1j06iwoyD6fEBdcYhUA6c88ZfyqWSEEjV9tpLXvY3lWSLBdqh6AtN16aCt8SpAtdn0ZddAjUmP06CxWsx8qszuPmUT1aFlTmzw11hrcuKzKVpsr.2zdch9mWHWNhquZdAyKjvybb624_Wd5yBB.02oo43mnGRiYQiRAvlCLdFnJd8f7Ez5pq26NrVkV2Q1yrJs6KLj8HDixjGAuaaek2p56uj91IqgEM2ZS5l.CPzvXOQPKrWw9lEtM8TnGND3HlyLsCeuO_Vw0vBon_KNtkgdvdUwoeOEgAMacZP9IPtwE0R6zRseOr3mfXo1WK.OicflEdzeuJTeR_TsH8isspYVVAlSC4zA9WHWrFK_5gE7o.gxNk7gT_4fDBGP5l9TCba9dbw.WT7lskAFQht.AZkbpW6jJ.U_xTlEMtxzwMLSRPy64UXQjp_rCLfWrTOU5lVEqlOlIxktIXuzZjWn.tCKI44U56MR.K04KbtfSJraDiiWN0n5t9vBJg125PtnCzHk_4XA6Ms99v9V4FfeUCYusYdMOpMHW03_T_rAIjOoOAfmNHzosAfaLEvoHOw2eSvbb8F3ykhwAJ69WEMwpOa_OSFBAnU0W458eeweO3zRtarflMxq201RrOuWEexC8qClJf9_yNiHu6xzcIXsCyI3rVBS1NtSZvwh055r4jEJfs5lwbdacZ3NON6kOGMqWhGGB5y_x8GfESFfWkK15M4VG.KhCIEm.pYqPyUDXFZwH3NdyoEuhliogQoTN2Z5CutAS_sisF1RQPRdoIoze2uTMR4ursX61gEFBztPFnXrL13mrwFd76gL8s.n.uksC6OQGk7OlpkMm8GD42rkxMTfuBfLQqf9qLXN_DKzB4xrFKTFI.D4pQh_O6rQNci5urtyja5n7CdF_fmKDuN9dVlr1K1HPth31z98pRF6_vIxby1au6YdG1KoeLB2uWNlBMQtSLWe5pc797huTqZYq6uH33.PQep7zCOOHdcvt44CmONMjDToF_xcb5XQ3TcJByOyzkbbuUSd9EgdD3uLymvvgcRhI4PzJ18zupoBubyAMqD59sHo4yOEKfTv4Y4ZoBgmQ9RH70KCr8rxoHCZX_ALpKR6vZq1YubNt8SXwt8ExjJwKdT9ytWRznXA6hKb4tKK6xN0Zd6lMnYAdmkG49GhP5YyJtRFtRzIQmOPSbeAZMRuqqRDpmNmvawEHuY0tANQwJDikF0XphxLLHjEjxbfRUtSWjawkS7TOSahjeZOfRXRWn4JBuo8gikFnuGNwtDiJjsAO3lgZwp8kFD972ceuOuuaXc0mqKWtUtMa0FB3si6whs4wUzrT5vDwQ4ifNKcTeAGmhsjnCGAbZwpT8YVOOBQMOLxPI_jUk_oNEZtpuwfWpQZtN0yR.t5kYWb7yvxBFIyR9Xw2Qy.VeRwcCYn8QMuVT_o7iHEC55gMu9w9H3jPmfkOhHrMPQ_w3HPMgsnQndljTYckzX_ELz66OiMYm.zCla4eSlpOW5rS.Mp6zB_iD1ffP_HEkISMAvQnFalgOzsbIBvFe6vsQTxos9dLwYN7IRSobvNNUPU.3jI65D_hZ..Wx3y8.k7nHW010T37tqfD2qR3ew2bfqHppy71_vl25PmD.IJ67z8Qb4inPIFr3WxfPBW75Uw0d5a4vVyD3T_EGR5dbQgswCMiz3caCr32P5vlw1vDvIdoA.uz4RyNNRPmCxB_dl35TGRqIRAvwu3UKtnm58bT26AWJwcfTJXbOeAfb2rnVhR6XWVhnr1fG6kgrpL7IUcvex_7qLUkwxQpqa6JAce3yVlLC2w5MtcHRVtr6i1rg2FDut_8sXWxjELDAPohbvBE6VM9TrxvrUPhoL6A2jrgtWoIDRsIK3WdDTmNbYlMEm0cymmrBidHw4mtXckxbm6UJSCX5JiaROiUeHr7DCiHGKRG43.8i2_DFWuT4cXl1sMq6QKqkKn9V8q9kWBBoIQaa3wpBbCr2FP1YoTxykA7wSxRtsGBiyWthWA9iD0M50z2r.nNW5MTlnFe38lNYqJ4V33IIZZ9Hr6qopGvkU",mdrd: "Wi2Et2uGwMbDmUMAw4Rvwd08TOUDhyHKQ9jL39m9FL0-1739402078-1.2.1.1-bJx3met3pe4AHwKJIcxe9gUoFF8M2lEdXYuTCDH2R2xOIAkSX6qD_vDHAexivJojQ55Il3l3Dh9u7EzRJOglBqwV7aRBgZKyKf8YJS7FgIk1jnxIOpMp9haSLZaTDdxqhgOf468q_Duk.QRW2xm8djB62AoOFtdDfwBsR3sSX._n9JnrsY8nxiK0W5hiYtGnUTNUiuQoBuC8hN0wdtOh1r0TvcVQ7hVUllbf3FLYiF5P6IzGsKx9VRmdJ3GoqcUaf5nQDCwpfzTdYpqVF22d6KEyejq21jASnLefRKonSvBm8DUxXnforAIuyd5JlwWxN08uHKhXy0i9veiS_mWIYubc3GX6IrPA39eFqlgT2qTvbheL8dayJRHcq9nEmmV.5K5kyp9bUCIeNzydeRBy1l9OoTRmOQkyirleDkVD6C3XKz.orqXedIKENoMTRgJ2DzSGt08Y7RFBxdi7xnqxOvGsSz_GbNRUD96OMCVD0dx.hWOL3hGAQYJpbFUakRy3VT4NEiT9rfEjK1GnR0S6yswJ6GnFg7v6_BK.58JqY7ByC0fuQxMQc2Ixoo4Z6EQW5VrXY35qALHE3MYOSaLJmCatfaBhzfXaRBTWMdKb5Tmyy_avp29tWwIRG6IxSBWv7AP20YJ3WZvx.jL__R0XZme5NstkUuMp0FyqDz0EJq5DoNQl.1PB.lWRwWXtvjTFUcHoFDrLcos2_9HgHkeQMp.6kJ2K7GttL5pvrz7O9YeM.zEGSBqA5YU7mx4CPtHBrlmyWIqGCukLQ96YSIPbhEJNv0vCSWUEK1wl70GX78iDKvekt1gZoKANBRgPUZFsCciJAewbT9zlA_G_2jj4749PnZVRhKEMOH34WfCSST7Ssmy2cyxyz0.UnxbE9GeWuLE5ZgkH2bE9pkgwCH5hqTFamZQNhT_qXNaxZFIQt1.N6SZfG2s1BPjTaKa4nHbVcTDzYfrTXgidq62.SjZ0687kDrLVh.Qkhcep.5shNNMO40wbGQEA9HEY7MT3zcV7982TXQKd9YVq56dT1pIuKw6S37F3uGltzVsu8d_ZfGb51A_KjyNDqFWAQtDMBlCf1z2wODfYaaWQuiHzM_79BI8xyn_tB6H38bqXjfru4cmFqUbFz3JvEBgVLhWMxteosl1rFWSsswGuX03OBPfZVgXOxbcZeMXMlHdfpcwyJPPWZWxMrp4kJAPHVGfxyzwNTuIA2skleJzBwwFmnyAhWT1jCGAxUctgQXaMUBG..ZCAVaCY5UHMKlRpW2szkj_Mqvh8da9HBYYck8Jek5XQCZseGItnAt_HqA8GTYoXrqUcBcZvcxSLmheN.9gY9RKdqzoUoic56rDNW3zpE.UC2NI_H1K46yNMtmeapsC0qf.xohc6GsPFX7hfXKYxfNoHJ4757Lnf1gnd1H08TQTrVJ148d6cKbItrP6OtRj0dKii74djOCYaTXdmTggaUZnQYLK_PZQoyJkKPGiXAogPP1PCrqozsJTdVQwtMGcpxFWKzPYV6ouaixXntl7T1o8.pHUFtVL.NlbyxNqKHlco5B8SfeiFs2So3Gj7R4.RXXHbf1ru3PQX3Bmeoz1Uy_1C3LsUFPWC2swz9mQbv4dKQKZi02vh9K_iuRx4xTsEQJyuFpd18SIW1FHqWNaL1fTy13NB2qy_IqgrRIGEA5XpSp6uubumi6bcT.gsRBpo4j56p1J7eNCXlr8VruF8sOZymGxEtfYZK5.Nlgj6TTSFnsL8cioYEnFjlDavkp8oItm5IzVISkwgtLo_RceyL0AZenoNAw1o2G0FuDdQDdF5mnF0ZlWRruSwDNP4fcb4DSI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=911046abee0e05d5';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\/0528176394?__cf_chl_rt_tk=5MkEYnhFAhVneK_wTGfw_doMiwLBz3Nm6VyHrQe0Bo8-1739402078-1.0.1.1-2Qr6Vyn6LpALQ48pYNm0h1ua4vx_.UwVBcQcHxalgnY" + 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