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-aff1dpvlb.mit-edu.top/post/0862359714

  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-aff1dpvlb.mit-edu.top",cType: 'managed',cRay: '90fad9d5c9c1398b',cH: 'uNaUszg.bEz1myIzP5DdRYJ5xvS7cWPjHSzNyJGH75Y-1739177419-1.2.1.1-MVSC9lgjsYAFnot3uSaEHXq7amTClkb5MrQbRPGlY0k3elBjdG567J89IelTxyxw',cUPMDTk: "\/post\/0862359714?__cf_chl_tk=IuSmMs8QLY9bY53jzoYJSF5tJPP_u5HLMe_Doay8Txo-1739177419-1.0.1.1-SN7DsXXSdOnV_..kJc35XmeYpdbMF9Tk.DAFqgJvjcM",cFPWv: 'g',cITimeS: '1739177419',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0862359714?__cf_chl_f_tk=IuSmMs8QLY9bY53jzoYJSF5tJPP_u5HLMe_Doay8Txo-1739177419-1.0.1.1-SN7DsXXSdOnV_..kJc35XmeYpdbMF9Tk.DAFqgJvjcM",md: "DfrvZdeyROO4XXC0cIWlG7Jx2yWTBREls08rF_eT5R4-1739177419-1.2.1.1-RoiO9dXbnh1K6Q0X_7b1lBFsmopZXdlkugJaXiCSbJ6gg8qb8Ys.hhH.UpvXDY8MIFSG00NIC5lhQfyI29a8ArzVMEliCF0RMqsaBOsXt.OL9TUxi2NTwP1cKG4tLRF1f8AXstnF1ChOtUE097pidCC3stxQUac.7qDJGsIL8XLVYok_gPT1s5DLWnW5cL2gz.CkPmjlB.yOKTc_TVWBgEGq285AZseX_nWh.BdROzkbROwDuLX72hJSGWS6kxJmmaxdcGUfOVX8GvLEr_cc6._GlduWUDnmh63ga5GQb2U6V3hIReZTssOMF25BcJndbq4HfjTRSzsvlwJo7QJ24VE2IKIdD7ICNJvRtjQE42JtUG_dCw2hXYQ0GJ7tvrv6dGgSt7o1iutE32iECCXmn4R1HDcOE0aXQOPCJuRTwf3afKuTLjhNqjCusK48JhLSpoDD764dFQFCKip5vw8_8mEdgN5C3M7XXFmHntd60RRpkSTqvuI7ehPm3PEMoHmpzl.W5cOCiUvv8ay67WaUdsDFGCmJ7s2OrR7nimxzkcZ0CHVBcgzT9b_zkFAuhTJapoXMNdFKJWMZEbxxyihgWYZId7KdkwYgqShtvSlw_vMCNkRejrfbRY0oWiiZPskfNFiqrg20CAXPC8BV9098jBYX4167dt7ickh2VMEs0A2BCsy8I6iu.0BPFn1OIDBKMUBw6em5ad.ranJk1AS7R2By20gJuOPDTLPBVXMErbFW1kohXtleP845k.tN8_iB94PaICTo9MmNOHDyMq2JyeqtZNYW1vYjPRy5o3KcR1FEUQYOphv0AS39920aafN57UOByugEhv0LZYg_jXrWHqWroF1xSOTR25hiY0QICntXEmOiaVoaOQssgxrj8bgVNTJYPj9CsVxoVljJ0hWC4uITJFZeBt3JxmwC4hZp0W37IpLk7F7wD_nrgKNsggcdHwNHqJ0SylZKh4xp7.cAGMU.o.JGMQIX8nh9QGoKsF4we7bauHW9Be0c60iOlkFY7yQxwwkVPQQ35EarJIdzSPOx0OSt_mt1aqa9m6WlAwM_CBs04rvsbK5nYXwaFMhquOkTwk7nWyittlujhuy7h8i0FnpO_vQr.YC.cfiwD5sb8fUsBBQvtPmPKCsX46Qrq3R1yTYoFeKJxYQ5yYIFHGkSr5ESWxwu2k2uvSuKHOn5ZZIjkEWaTNazNbMo6xs0y2QVxIluHZ08NA2uoYqhHQ47d2XCDDpe3941FkP9pPrDrtdeMBWRs2rMHT9pUU8xd7UNbC0tKDcMqTVlJu6uYkXISMg0YrPpt_xXPKBMd2KE0AnNSpBD0pJNRdZNMMlxU155AO6Teyme9r8kBBlT7PUWO5t3Tyvz83SgGsY.yBMZZu.BHJNbbi8lVtMKWgWaXARH_r.Uo9zED2RCnrNWx8Laebn0O7SE7aTg.nkpoVJKCXANOthxF.vpwAWozDWknWEboQ8pOK4bUvWw2ZqTa1.B5ZLrFvNloEupU8g6lfeqvJmYn7CnqTpxM2yTkWL.H1wdSmelQaZbiD8KL7gcCc6gJ2sMc8xYvFOXcNFWSFLROCdyiiOVQNeJpZOR6nTt2ej3O1Hc2TyideDShqwo36zrvGilgd9ryuYpbJzJo76JeAQr9pltBuxPYsXTtcmxWXOCuBoPUXeWE6jeYWUufKEtLcALiGf3aWcTwUGyPuUuBSTzEmL0BpLshdfAt3z6HqTYs2QKDwLW.Vc9GKNNty0YRS3eoQJiWDlUR8xzLUrianPwnvnK0q6UCZdU0csQYImXZo3Rr.L5nhS8NqwZ_bOtxXM5_m.zcitfU4BVvh0EGylDM0yREui0ywYVOTfexAi8jkD6.zpWMZd0o.WG1Jlt2J_sMQoWci8PODTi0JWf9cXif0cZ_uuw516eYz5WUzoK5PH5.W5tg.vGv1Zb504LTYI.BBG42zouHLr3jI.YQ6y5CK_YvfTcIjtpp02bVGTjbKvp0sODoHpByBuyiHnB5aWyf2OiMLJfrFQnBoZq2M1DRsCynZo2giGOtDKWBOj4Ncqt0XlnFGOVpt2nfLmgwRlEq0VttEE9tP8Y0Sl7E.ILiGuotIl2K1UneUnMzVfzxzOBpwJaNagNQCN2gJqiTidckmtzbYq6.way.XpcTbZFD7r9P5trCfj_isMBl_MA1MLHb5wbATn0PKDRtaQlEt5pSF3V1Zll_Mvx7qcLY55q1XLUoiyMGjnozU8h",mdrd: "8e7jyHwXgjYYGlZx78po9..7usqnq4jBBNHUND5AeTE-1739177419-1.2.1.1-YAWovbpUS7WWaNNSJOeVzWk3qWOUJX7zCDU0KeOCQ72__wPXOA7QjzssJn5.HBbqneoJlgfoRC3vV0ZoKhF2IXQvLDhbP6xm46EqtqXeuRyA19bvc1rBKjmIl0IADyvfJ1i2.dpeEPCytEaEilY.WIydpfwEUTsbrR7IKWrQqw1Y2DpFqq1xd6UeEiuzSXz4BykOx1F9zWb8uEsZgx5XEaaaZxp8kARSCl9.y7r5HdzZefFqwgpbIeeGt3RODCx6veA.Q0narsybOkBpfCmxd5AfdgvcFU9IBuwem1ssMoZCwYbwRJqlt2PG7h1S5UISvkUK3s0do.Bxute5oMMVmOpt_ax1JS6K_WwY2sEHPg1X.iJbdH84xGsRryRz3E7ZegcpRDprtKgbvVgR0hUSNrheQHE_.lkyHPP_0ConVRGFQnRp9UoWzWZn1fnbMJJ_JWglgrLfVr3UiGGzx_3SMCnSb_0o.sc3Np5eDfMElJxRPU0pBh.EOk.POhrK46F0C4LBpOgJlL0oR3yW0cObmCs4cWxk8I0Yux5B20abEHCOQl_3mWNUWD8JbnagdMeI8Rw.cV8JuvCKG5tecTXJt3Lh0WpUz_zXSOYozJ9uR9aw6pA_lgNwQkDz3IyrOjZ4b6klGYYIL5LevNUirIGa0bnNORLuwymeOgknXG1edFKWsBIPJu7_x8PRwB3fOXlRClFa.Z2qptGPyrhvIJ3YzCLC0zXdbGqRBSekGEq6v_t1KAFzRjrdyuzdUXE3S4L6uA5heQj.B3pXyJMIqnMJLfDYsEeo1_xwS6eo6r0oxfaZ2zCCG7U2XiptZInlfE_CvxNz8R9kPYzoCQtXzEdlz2vqr7ntxdKngkPEJxxlx4thue18A4uTMrTK.9qPM5J51MH8t4pF8YhAnBpSOV0vN7YhUmxoXcxOuqqFUw2yIW9lPIB8ymxwJZtczM4GaSVVPtHOJQrIpSoz_3IELkotDEGnTbCsc2VCjQDJPdoUu9yr8krb7EfdZmmWB2968L1JHjrRErePskKbGKOiV.iMX6yF23f.0oDBhw4lQ.YKyAkm0rnnylFgZhAptW1cHVeRTJavNbry3fwQFpZ7H0UdsnCqTLHN1BB_.MySX3rymbpLYFpC5wAsY_Y1U3TRZSpmRv1ZSV2QK30ZAip3z78KCRmsiNFqPujzmiOPxYeeHCwkF18LB2AVVyCDAQ6Z1wygb3cSri8NL7LFJ6ldOznX9OyoMhWMshGaLq7Y88idSOp5Jvwt0NeD9nbbuplrHHqX_u8FvfjOFdSstj5vyf2nbrKvK09q1s7BaFWmogx1I0gqdwHML_hST2oR_FaoOqPI4QQWJ_dCvu6vgoEZF.fPvnp712pnvDUOVEZbsXUOmW0V27xnF9emaucwMeYIF0qDtsYFvhikbES7S5bIEMIxS325219Jhv5OMRbFL4vlKVhuuVCA59TovbxSYGlZxm0S.QP9euVUW3PCuzEUc1mdLvKOznkvGZYRo48m49E5uKQ.eNWrjYsyIzcNUi.7r4OvsAvZ.UhFkuP7TLlprOTokKnTbDZM43aUCmnqbucMAl.20zs0HFfGW0lV1IAEezlv_oTGIJKSlqHMcQS9X52oAa_huLN68psUTyMaf4wnntyMfwWPjRcreE0iY0GWbPDCDI_RHWTeXAbhvSXSA5j24_C07zRvo1VleqIf6djNOq0ANHDtPmcDhuC1pDwzk_I2924Ay2zVPVwncKW9kX2lx_upkmZ7p9bp2UTq_DamPBwZC1u1L5AFw24oCm0S8UfWBRgFZOEFajW94rPV5Wr9jQ"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fad9d5c9c1398b';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\/0862359714?__cf_chl_rt_tk=IuSmMs8QLY9bY53jzoYJSF5tJPP_u5HLMe_Doay8Txo-1739177419-1.0.1.1-SN7DsXXSdOnV_..kJc35XmeYpdbMF9Tk.DAFqgJvjcM" + 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