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-affrwuh8j.mit-edu.top/post/0361749285

  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-affrwuh8j.mit-edu.top",cType: 'managed',cRay: '90f83e7c7fb50816',cH: 'kw7yuB8_kvloXPl4yVg9Y2vYTPZp2N1NmKmE87HguQA-1739150084-1.2.1.1-V0xn63gveuUXI0nrQm07OqNFfhi8sPVlMcVWjGN9Kq4IQoikwwzg1R4j2iuFdVKI',cUPMDTk: "\/post\/0361749285?__cf_chl_tk=BUaUCjCOc6yyZoI89bsnSEh7hb9A6sVlsj37qTTtpqc-1739150084-1.0.1.1-emU4lOp06MtzGeLIwCUTpZ2DLMZ0vPfUndrFTtL2UpE",cFPWv: 'g',cITimeS: '1739150084',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0361749285?__cf_chl_f_tk=BUaUCjCOc6yyZoI89bsnSEh7hb9A6sVlsj37qTTtpqc-1739150084-1.0.1.1-emU4lOp06MtzGeLIwCUTpZ2DLMZ0vPfUndrFTtL2UpE",md: "3oCGhgBfV7SGn4ccMoCtV1mWZbB0aiILEu2R4Vrcw5M-1739150084-1.2.1.1-8qVo.dX8TjW_Rixrn4BTVeYmR1Ifv75k5glvgg1ZsShF6Yre0VOa_IEAq8b8reiLyHwndMly_FptH.IxUIoQk4NoVChCGx5q3uooyCiNCWbvyas_R2Ya6VUmxdoEebnrISvp36Hg.O6IdjXLhtjF0rgEJ0s.uLkprdDpkGfJ33FAaoRTtHDHDlmuaYP1lZdpY3g9h47xIPaPUaW8D2Spmp.Nv6le.bVf9MoUvXc041gUFh2JkJO0cEtBmSgRNjPxTpHkbhsIHtkYHVwxTbPn1QPVcqt2hkIqGxBWEMJP8WBVmbFdkM1mP1IOgZqoZ4G8W1mRong.Qlxbr3rep9DZILJTAm7Oc1fS5U3WH8nigvVSBkNpAX80i2tEvpPFCm9b4FUR1uUyVOcfRUlrxfEy8qereKu2vpMBGEqG0Yon5ZPxfh2NG0pgt9AWWa82ylEfvkfb9daq6D9hmliZL7JFVl8huDO.XVMAHoD4aFNGfpaCQ0tvf5hptVPd_RtbAFvAHSidgdGSSjQ33NUOBw4f_kMfRHMSE.FmYkgYV.3TwUgzsMHepzE2QlvPl9fXGOZ8tZ1n9h.tq4uEk9jF_O8lyUdZ7li46Qx_5rlF6af30KhCzqVnesI1Jo2s01TFAge1NiInSZuA7xACiYeGY2yfGzKvkpK2nMMwN1vZmIMDMxZxZSSjnhY2uUs3zzwM8LPRyYH2xQJedqsJLwg8fk9WbnLC2t4yV21wBx.eVxZPxcXrlmpuq_UHwVi68ODDlMeO8p5CiXiD_01bw3VznKX0fKzFrPHrLOqUDjy1AEKb3NZOhZ8AOm7MaA6PruQB6MmVbKYmZzpK8X9L6bJ9wSyBwR.4LgIIj7H9J0qHlxNG4e4uf2wOyWR8VW7J0GzV5z8GFmSBMJGDcnTyVJ7yhuj6hQO7kJoJUWK3tx9LqNO8W0l9y0c60O.H0AOstr.AVhKBfpFT3_ueK2T2ifRfCCFjCvJ_TasLw7HN23iLRG27gMfHL03OsapDp8dRgV7RAi3fdGtSOONh8HtfsBA8aB20QVX3nQCih6ND6bKOPtRQfB_FspDTB.th3EKmWC4KK3WA_2_wlGoPoTBBqNYVDm9_GubYI3jJb_rvqBcAB18Koy_YepQq2gb1iYzkqphmQ9FUuei9XQx.X5pDBuvaa8jfWhPTlZT5pQ8hJDJF7RjjpNwRHgBabow4aGJ9gproH2C.f9zT5VVjm5OoLC8bLDhK02BRaJ86K.5f0GfBJ5rqOD7QFsnQfRyECf7e7ECg7aQpiyDjwe337k.VVfilof.uAMD_JojKL6JjmnpMCOthhjazoRjmNg__Cw7eJfpV0oX2xeNcpxL4TM1XVzYOcikra8_6IA3RszdmKQcozEmHYeOK.3rZ9lygaWTxT77pe_M7IIlQvyOSWwmz1A8GsALXqOUNXFRXF8zSru2GqCAi4BU6fS2WVXDmQjg8S8RQ2xu9WhceZxw8pwvLKPCkrgUERdNGL9VIVoJaj_dwGK9x4KWY9PxgsU3u4FFZBaXK.FoIcJ1ogz_W5PvjjUV4qQK07HOQ0QTxKYY6Or0TT4utDndDMG2l5vke8KWovLDQaXi3nP4Nee5WQUud2IKLCJ70NBQiLkiwZ1west9aBKh1F7F13sWqHAYqP2snsP9j.pQEWZjPKc6iqWr3GheMsK4gob_O9MD26a53NFQ1FwOGY16YbABiNjYzdt3UVn88UTG6EEtuM_elMoeKK3yVFhxdolbbnOIpwHNcG_FnvZpHuuAtfhKw96Vt6U2iJ02h24DjDtMcxQiOt2XmCeijUOeA.n4FTPWCoUdax6w4e296CRUOxYgc6Xhn2TIv7ZfYCtmWXoyqv9AWAEVREkYHORJ84ddGTA5Yz0EMrM0DarjwjEOfc2e1Bkk.QRsKksTNz5s6KEJ4i2D28M6TPscEkZHsej4Wcecwa1GNUNsf4sG9ng8yTB4fscP9C34KrmUlCnD.rrG2cX8zgDh0VKGIg8WdeCueKjvgeboJZ6K1qFPB8VQA3IWX5NqPaUBg7S8pWevMHSdRS6KaT0rvFCqTU8ta53GkX5W.gh7AuoQl34hBvLD2dMj8IvW3dZvaEOpY1vkzoVlYMORqsFP2rvTOW9JjPCHMxbnfQgF8ru_kE285oWgKVklDfM9tP7oDsTSLO7CPTLQ0_U2RA99uoI9R9fk_Ls_x4DjnEpwwY3ibw.HFxj1tb27y41or0bGu9MB1_Q6H",mdrd: "qUGXJpgyAm4mgy_jYXBIvRuSrVooBAY.Jmjq9rg20Xo-1739150084-1.2.1.1-ssiWLk57qJmT8DzufPEhR__jayTI1TIkdpj7iaFH6zJyDagH3EF27KZrIZojdA03AWImfWziAxwsqSz7unGAbQc_GvNI3F7izYkulE0g4lhIh1WLXME7jgRLV4hcNdbczonJg0IyR1OogU_WDZNiiy5WoIENxe7dvqrCb9tFB9zUeD9R.M243uB9OF78u9HlHfMbs2wgVcjIUlE3bdMPfeh8nEPRLeIQrPAWD7ifppSzlLNRd4YAH9ibBKrZm2J8eG3DIattWzLYO2l6ySUJvi5HBdiv4fbtbIjrgfN_BN.qDrpEt1pL6YjX83CZYFs2aenX9CZi4hfn_2uCWisOH7VIm23Oy5pWzWqk.XQLPAOkDvpkVRi6PP890qs2lzxaQPx20izSuH8gUTeaLWhtVHckJfvJA3I5rtkGGd6pi2ZHZ46mKSTiaNl0pK8Z8DIkSt6oSWN6ikBAqOyx85SaC9OSpJeCG5KL.ox1VanbVwfWWVQYOAN8pKfO30C0voZRNDPTG9CGp21I4auYKeZ8IHH9Q8LRpSqOsRRTyt2W4Klq6greC9msDZAqQmuqIXLB9RYBoJmIapLR_EjK1dCqtMJwYF0zWyiuGMJ75kXDnkxUnFetOxasuV3gJVCApY0fCTe1lfWHDoIzFm532XaYbcd6N0UduwtPG1n6JyL1GTk1bwFbWR7_J5JRnIBrLOB9MauCzv83jSBj2GEvAbwjcEoTD.6IfB00KIZNfmV85oP6I3z_vw9NltDXQOQ4bD6oLhxGEWxfL0YWzsFppZtW49pawwj_QlWFzKDAH0RaaDMxrCBhckw5R8VdIP4U.nMUShuahgg3EXvRyS1SXXb1TJe5WO7JZU9qWX81QyfszdxhS94wfW7cpnqa7Eu29UYSF.yK.D5lGlP03CUyXB.wf0O8PaIXHx2p77czqWbFYt55mSqrOoEbxBT68Xw6IRp53tE_H_OQ5GIuLpurCPLryMO.8_QWGTzrIhmU4yb1AzgCoeTwGLpbHOWb9H37Jz5fvB5WcB45bHxrBvogFujnVa8PVxHzg35dxmxlf_jjhnOlblyX.MgcX9aEf5boZJQ16qulmbdLHcYYeA2h36Ea1nC9p1xXJsR6doLWuZl93iASlvSPuOciu0egNpTzS7l47NYahwwpXHGch2n3.1Eh1kcJS4ETYhIOCiZWAAjbXk5XBTPjVid.eVzgq2ZxVb5ZvLwoa0voBoW4l7gPjZlJjIhZhxwAoSOzvxtSPOvl4nDHTfuBwyny6iipDno9KN5dq9RALWc7YeQC7BC5kZSIuVPsb0J5VggsFhGQCZYGDsvatmcz6A4EcAVW9Mo4XbB2eJP.tOghneSvw_y4W2Id.1KiVZ3YcIDJjaFhaQR1w5201E0n8W479Bgg8gP5yffUxjwLGUEy5SwqrsVCfxWRIKZSSSbE19v.Q77PWA9.F9ZME0QJgmUmqVCfEMqFLr8YD5KjFFOSzcCsrkCmcBlCMef0gEZZK2I57bfne1SfpevosugOK6NSjsfaGo6EQh09hMCgH9uCSVcYekDNAfMl.xaQKD.zzy7TigH7CP2DsuSeSI3QeYFuE_GMFmxOQuOY.A6lJZ_V4ov7so9qqa48rb7Vr1_TGcox.NXgwodXgrSIkWV4HKmsOt8_H2aM8e18P2lalLvDZtDSqTtft04L0pbzIl5xDXBGGla5ebkFvgnGysw4F954ArpotydY7U49PZ8YFK99UJCwuHUv.COHEwMiLMlOjUUlx5eaf5kKPyTkwsGg0YB5gtY3GwE1K3wI"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f83e7c7fb50816';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\/0361749285?__cf_chl_rt_tk=BUaUCjCOc6yyZoI89bsnSEh7hb9A6sVlsj37qTTtpqc-1739150084-1.0.1.1-emU4lOp06MtzGeLIwCUTpZ2DLMZ0vPfUndrFTtL2UpE" + 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