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-339645888043.mit-edu.top/post/4260197583

  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-339645888043.mit-edu.top",cType: 'managed',cRay: '90f434d149cb062c',cH: 'L3LFpycxpZAUBbvCOrxCkdf8K2_xtSfXRXacjOkWa3U-1739107745-1.2.1.1-NZHrsJf5snyDnfcN08iyB87ij29lL2sTnluSeDL4ooAY5thq6kpeyAqWj.mDu.5d',cUPMDTk: "\/post\/4260197583?__cf_chl_tk=0z71wZ0R5YgET_lfXydl5Aln2Xp0ZgycE7.JYB_PEos-1739107745-1.0.1.1-Ykvf_bQ_9.l0Q6kVYQY1WZh7Vw4ysOlJ5RA6tFZVVHU",cFPWv: 'g',cITimeS: '1739107745',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4260197583?__cf_chl_f_tk=0z71wZ0R5YgET_lfXydl5Aln2Xp0ZgycE7.JYB_PEos-1739107745-1.0.1.1-Ykvf_bQ_9.l0Q6kVYQY1WZh7Vw4ysOlJ5RA6tFZVVHU",md: "0xVWJel7lx3R5RE4IlXKIDVvLj_QRy87UabMxLwDiG4-1739107745-1.2.1.1-yDozs8aRQdvA7MttuPcpXu6.tEH_4GEAJv3ror1oR4SlcrmxAR0qIyC4hsj_eoNfaaUNWLyVbT6192zQL8pifG1ZsY5D3D7XQ8qrPgkRkphVTJmGUXZIM6bn3ZecdkeiUAzNTe7eK98aVtlaUzmMCk7XuhE59txDp1zczLyrkAZlv91mCbF_RQgoOBpZ92g08Q7UTMa.Ki.p4fOcpUzkQsEXwADbhn8B9xW_EcFM1CxYvtWyPA7_7Yoxa_YyrdEQPCrwHUfQxgOaiGqTJN3jSYRambfc2R6PQlYukeR4YKi6f5AGFNLHVrEnWCPM63mATOx.bhZ8tSx98P5NTj_4hve.PuJlhL4TN5bn_d.YUfj9by2gxcYbpZgp6LBSYK1qc9znPDpkCPFLhQbKiapFqiR2cKPIrUNZlT3FUf6r61l9poxCIAJ0dn8oOF5owRdPqa8ZxtX1DC2dm.67oT1RLhrCbrVG06SqWM3Js506HSJNjtprsnwn9V8QKKX.nOMgv0XCl9rKWArVJl3mJaA91qEoum3CSlpMO4wlC_dFjGZudMs4XZUHiYNM1fhphDAXwRY8hP4SzXVA2Jkp8XhQqyyeLUMqgDPf_B_cNWCDe5Rs7l0V0WfpYrUb5hWgJXupCOOLlwTEU74EeDb5OYhXdNqK.9RFgyl3aX0SsPmQL7v1uGfBZ2ovDHwn8i.Rs7ZtcsIPr.C21Bs4TPcB7q57dBgyWU6kcYzjOCY3Ven7jm8LkiOLJwAcFihfrrCtAk7yuRBM6fiGGocH0ItxfFO8L.Y14Fewht.UPY6Hz_fDTSEzGH3DtWvQM6od6fi62UIjmtdlDeFhF4CyC.EOCx6ZKO.mihOIrKyrJqJbonAIJ6z04lWv274sA1LGvfp4u51BSRGIe5f0Zx7TYA9e6TlcFzJ6SSvbHu2r9oPcmwcgBCXx5GX12beZGrp2ICT4SFeFfbUhL03GuyDSAskVyGWkz0miFTgLMiUplPbADB8xqS3486PuIzBEQgQ5Nexv3LeZHbLOYpPFsEwnOuGph6tIPY6HJYrpUnDpG1P.3xFqqQaD4nOkJo7yiKxOKJj_BOlJpzb5vMHhg2BYa6sU4ct2GoJSiwT8GHnNZLwPeYavD4WX1p8_QPoPG_rz_wzarUFKJpxm48yPp8rGKX9Xe579xvz6RWZ7AWBAH3veR_m2pLlxYCUnPPXZ0BSWwFtdmtUEKKInpn57xBm_qCmYPELjVce_v4WsgltIAxDhWhE2Bf0IbEgizsIFSvAALSZcYWvkjIgHyr8FL9i.lDzAGtOf8Xq6XPvCJ3HGIki75_ElIU.DIdHYE7Rwft3z0a.HGh5ZJsG7JJO5Zp_cPSSzMdza3ptPFsths33Ontj1fCWYl8f4IR7_7ASsyycMdBx0bpG3qPrWKQQsMRlkZGsCHQStBccbgj6mCqmeDyi.Rvaqrgx10pHz5p4ZBCUkAOiOv8UR7pCBTN8kp5LNooZgJZXjrvx_3.StyiBnsuXz7cdC_P9bC0A1uM45W0VN.dG4JvV7Ejri9z3eo_6c.izNZdWCDTWDkuKNS9eyIUfToKRpC.nFO0KSl9NT3LHUTe0dAms_FIoZ_zTvlDk8y2J.mel407cZlz23d5r0Nk7Xc5cTxCWLGJtZkW0jpjsEhc57xCBUuW6jhkgo.e0b9n0pYjjWmQoQ7w_HyJbwJEFnDXFlIuvRKZQbYi6ND5x3BU0d9tjC6LGxOXRhIi6FV6B5gEcUnSB1fo7h9S6B.TNbpjZSHcXxXWAP.PO0kgb.tjCW6bD708SOicHQ461ot3jRDGgHbDYAakf5ygelmhK2MzEXmqz6tpqEXYZ2OoDu9iKO91LL.b2AqucqXLQEAbNN20rHzzDPPuRsl3FrNstYnET44pX9_9wmdMX1NDlRl.82ExHRiEgHG1.30DW0g91MqGeBSCT5F2PXhvzuuZ5_JH2oGyHGTotTHOTwl7sr3MfMb_O4rjjsSi_5YMqCrRPDpOBmt5irBQg6_a2cuyLQrr4BFWMkeDvYjv5tAqS.vK4DKpVIrYLu5xAd24WSakNEYSsTRAJKOdwS7NJijdNPA_55Gcd.9nIaR2hFxrihFdVdl438wgfeR5PX9btRfU1gUjSko2KE3h3HEoLIrn4Lmp_iQvDlT3DY4ntt2F8YnUYv3ce_tQiGdraqr4FcMG9Z17g5alMXUUmi73s0k2KexBpYm9DBJaYtsnxNDn9b.SPmK4zC",mdrd: "hMQw53aqwFcHI4cRuZy2nnzbhI.k.KZ31XmB3sFRpDY-1739107745-1.2.1.1-YhHzDlqKcGohPBZsraAgQRK0bTAVXAJZTfn8r9.14usL9nlg4_EyqYjQ2BSdfulj4Og1T4LPLIuAHYIyCvVZJB.gGFmj_Xix4LbQz3Aip8R9uOgbjf8fkH.oBdaOvT1y_gH_xwqdrzoCN6jSWnh5teHU6GvEJlSzzSk9BNydfaKarrdnNf..6W4NymFuGgMNOSvsmb0SSyZHCbkrnHWj3JabQ0DPlAMN0EK8hxs2fBy7p3pf7oscCy3Sztb5qwiOvzTnsXGRoIbNrUyqVeJoB0MsJN0QKtauiXWq9iU3pgyyOr8d2JN.zlqqKkYmyJ3U7wBkCBqM0pgs4MLhae_UiqVSJjeOTQ6Yc3FRIxEJCID2ljam_kyPdnN2wD2Yd.5_faPeDu0IMP0ekHXkysU7wr8fkkJMJ0jRjs0xeC4d7XT8t3s6g.vCQ.RsKP9LO5L7Bid1unVFaCYCUvlIC66WFz.lxa_5cswI5g1ICfQT24pA1YY07psDiF6z2ygnwsV7UIHRu5cy4XmrY1xcvbJSH8bCnbXjUZiMdAnl4CQIRF6ffQrFbmJUx0Un0Df1YFS4.lgCDsy2ykLj77y0l5skcwLoKZXrMDFmvRbNM1pwEaIgxK7qnKjpACiw2PQ2KKXemRQNEtueAIniDM3tubygHpJRYjupqKWYWV1hL002YsoJGR5._w_o6KfslrsoqNotnJqIeaGe2DA1.XxP3ZVk70y_Oux9TliUGg4nSwm.YgsN.RqmoLTIF_RqNEb.xbkQ7M6FB.U5ptzEt0VyO_Ni.lAJ6qMIt8vmzSNdAJGz85.Q.4z_jyN_6AS9DYciCXLd8yk2a7pstMSg1bxgEoR4cq_.Yuogbf1oBf8uXKsQ.mjy.HY2wz.tTFnpVVRUl6ugElF3_3OiRcW7R5pgNzJbaQMrWeRqCDzhORA4.xTGNbm_e0GgsthkCeTiai5pJf2pdOFO9qcLv0gTxObuWfEanl614E94PSbksk24CYXAMZXDeiu60GroGghMY4b1SRw8SYnO19NfNm5K50SjCc5Wrm_wqghGYNVt74PNsNklizhK7qtn4qxRsASESLbxJ7Pn7DGv..ZoXqBvJNaeKZxCbeNsEuUA3L.jl.4r2QsRPYKHfET3lGPiMteLTo_h5QzeE4saZJM1B9kH5x6HI16Kr3rHng.2OlKPLj3lWkVW9cEtHbwcNhWhMOFDGcbaB1XrfgLlSAuMEvTGj9j.xZc6giO4emal23hHJPzDaDp1tQE5LJ.Oh8umGIMmFYc40q.UgX6djL620k0DIG1iSl7AH755GXJTzRXj73Qda8d5pB30oZWrSpJ3KaS8Vnh9SGmFXXhIcypvLFukr9IFtj19K64Hl5eaXSxDgnDssMpclxXB.XISPrjDZ4XyzebHwiBB6mkRTBDDeTabox1XpL6F4.FANZz1sM.WDPwthkbn4fRwz46yHfj2R_xC13.9wEhIyMQk2e8TS9O8GzIThLGhOE4Gx8WIqrKzl.9V4VTnNZpaSdOIU9mThCUQVYA2anR9Y_dDq0yeiJSDp80PYtvvs76tC070C3I_p0zsIguWqvLzILo8att7jA4U2HDsXtAuadrjOslLWSTSSXeyBtaP9dXDKQFvn_3pDJTjGPl6GbWkSjcVdtLwEpjaBLB_W40RaPPmuQ0NXi7rgVtwBkx0fkH.Q6XKAqv3NIdduTy6EEVpdjAKQwy4uG7ULk3eh3yr1ulKlB_kHWwAYi153SLQ3lk58SUxcrsDF7NglfPcV.Efkj8N8SGGfviYTi7RxwNB5EQwAAuTjAI8UMBVyP_thmQHHA2mYekizYcyb_yGE7E"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f434d149cb062c';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\/4260197583?__cf_chl_rt_tk=0z71wZ0R5YgET_lfXydl5Aln2Xp0ZgycE7.JYB_PEos-1739107745-1.0.1.1-Ykvf_bQ_9.l0Q6kVYQY1WZh7Vw4ysOlJ5RA6tFZVVHU" + 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