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-021504555983.mit-edu.top/post/8273650941

  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-021504555983.mit-edu.top",cType: 'managed',cRay: '9107b7419fb605dd',cH: 'njqkzq5nY4ef.iTP..eqWHFVpHBWnd862AbfhYKaDCw-1739312317-1.2.1.1-GBWfyOPLUrYX3ERezktALGp6Yx9qRj55e6PsmgqWOAKSe45jkAXTkX9KCZ_deZhD',cUPMDTk: "\/post\/8273650941?__cf_chl_tk=5MM1alpGFHa_BB8QPpSITulzaLKE6b9ZS9qtYbvcM7g-1739312317-1.0.1.1-qNJ3We2x2h1hiJHa1FO9hsXwR3Fbg_4jz87xJzlwnD0",cFPWv: 'g',cITimeS: '1739312317',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/8273650941?__cf_chl_f_tk=5MM1alpGFHa_BB8QPpSITulzaLKE6b9ZS9qtYbvcM7g-1739312317-1.0.1.1-qNJ3We2x2h1hiJHa1FO9hsXwR3Fbg_4jz87xJzlwnD0",md: "6zx.Cyec0MhFDSB7GvcMDuo6Kg07EQclZZVyxRZPjac-1739312317-1.2.1.1-UlxsUuQFQ9OS72qxKO5zEoJQ9ZTnt3jkNlCjP7a8JwsYta9HqIwOy6nSlnBouJtBXc0P739mYyeGU28ZhEWPCEmd_Y_NwUBh.fkLqmrmjFFqD7Gc6qaozgKHMHHorkt7LmRVZn1lOSugCjlV_mJRsORodTLvzIUSA1YXVsj_zP3siLQN9MFaMaj_UsPfqJQYr8I9c0QqzGnyoCb62Xj9y5obW6QxowNLrJrPYKJMPc6v57BWDX7.5ld4curaA1YlhsjS71mFsJYzPyB07DmlNm95kh8OzmCZVtp0Bb3P04AH9p2Kd99Avtku5Ca3_QXsVjWO3ySNMUHIfZbcBY6jINJIPbrH9JSWKPelSqYmezR4SaD0reDkBxyrQihAUmt_21KTgudgZ2buE1BlNdy963aP4RmtgOZRgyW56e4OEo3ceaioeKeNqxw9oNAh23n5X0OIS9iCVLcXroqNzOEHsdqYVQIGGQpB52KChkfNAvt.zxPgfVikxBW.6n3cSk2tUBXv9e3FgrBt3YUkfYEarLDOZdauSfnzFHw3tA2HzePWhGnNPGfuEqhZLZ8neXO99M1oUO2ol8Nv6abw53El9F7Qrm4s00n8LXRNvKVd3GisZyGc8f1YjSIVVdhyWro1PPmFjq9K1GQdW4gUIWKEarI8nCRXv821TsdQqsfi5bPoDngpMDsGwg8XLyjvBh03OMOIorW3B96xD7SXML83C7p.WvT1U2QOtpTDlhIYu4L2HHUNFM0h1iTSuCRn3Vb7LnI.34ShMh33FGvVxY7kuGKeZm1zR7DmQLJu1YCu8fdx0jSoJ.frqMO8p0xdG0_ZkL_8.92iTqMJpWq85LN9zLpkzedNzxbJyCYONGIqdlAeqSHw4ZnSOEy3O09epwc_IDrJwwC0_OecKXIZJg_cgH6exy01SWlcX1_eOtbkMzul3cRL6RtcLpuODIxzoy6s9AOew1P4QUvI10ZVcMc2qCzN4wR8o1T7XkjXbgHr_OJ_du.ncAfDLmH4KDrg1DJIhmtFHfPwPZYmOgP5sNzCrnUBK3.BeNSZcE_XaiC1JDguJxtbFv_nbBFpsYBf5k8D0fUD184GkJ0LKQMJEgIRAt3YEtvnp_001cKNIywVTd6tk0Vh0RNt8qmoui.42caKsYWdTTeyIUtqv.PCNwylImxBz3yteGQ_KaVDm9BQbRhHARG07h4SABFQIaVDG7qfkC18OjvQexvV4YRaYvvR6613Vi73Hu8.425P8gVEjUJ1hj.a6cauT6PXmupWDcFEPDmu_ISR6vpV69A7p4YD8XfGQOY791MbdOCGCrTwfe9uiCHxPWjd1r33fnrMRTwlHmSeDIO8HnufKSEpibNAgyWGbWR2v9Rxcm1GlcHVz8oQmnuiStHwjQb1ZkIMTYtafWebEHdIMVFxwBX5W4aka36.O5k1RAaAjBfQVHB.nxk8F24lxLjmDfJ9x.055wOrDTx94cD.6NrAw._EXA2TS5b3J.I.Z8YBNklVcnnnsmgFZ.P0NMKdES572kKzPy7Gblwv8En12Xsxo5v6od4uMV4yLMaJqPcj3DLogov6s2DhjYJ41H7jqHTZzGSve0QZzMpzHUdZB5Atmj3PYJ2VOjCnUJKMjdL9f8lCvhH7pHLQ8GHxytodnmKKlsN8Bvt5qqN1pX.27hrQfrTOLum_6AdBZGh3QxqGw6OiqDcv3FMXntOn6iUtdhFbFrA5OrxN46p0aQXWQa24TcGqpAF3dxqCCYXLSKDzxZIE9B.H0aUgnzCEf4fi1kjOvP1KgqarQn7aJsU.c73V_l.uJMRG4ND5MkQoHIhEqDz3bFER_R4KW25NWixXCRVBjY5PZ2ynWYMc3k350EzF.lt9iEKdr0fXGGKsKHr2YDO_cXmz.iWRpZjRxpz9aybI94dut2hwyX3.iRVOCaoh6xz8qVo5FN4aCDslFq3CRHohmea0a7Nl2Syi9L3I6Y1stQoln7CEzBRY3DV1lqzZvENg6B5Vlq5g3Q1btrL8GqZuo7rN3h_VskXEZmJRxsX9ee3sK43RDCBJOtlsB9zlLjm4WA6CrCppg9R_Xd7saV9ajiuLuYpUv.K2GPuebckpvbdDNCOpfeRmjj4Yxl4POcvxAK_PKmq39fA5raxjdlRcQQ8ScO1xeN1fBhLr4inNiSZvNolVs_sXsJoNiN1iG0co3_B8YOt3YO5XnnFARO_nAyXFApYBK6IjEPNZoVrPxcf59Zux",mdrd: "z4EpxA3t3YzZBFNSg.x3g9Vta6HAoOyx1OF0urFn9oo-1739312317-1.2.1.1-VZtj4McMpbYObtzFSA8nwVDEgB.T0rcghO55mJraHcm5o4rNQgHyaKJEqMeBRmxAG8KCfP3zxehOLbIRJNZQSWtAQG4RKcCLEDYJCubCC.AJvjAjdcBnaZ2VKgpMUx5PGayZfvEJFZfu40hW2AIx_QD8InIlqBMpPPM2S6xx2fwATEWgtUu0siDYZFjx7iEoZTvRYvRi0LZ2B298BqYQGPwn3QaQ2cALjM0E2vaXdK0tW1V3JVLxb3_89gXmrwhbJAmcdj7aX79VvKkYc3Lekf21XpnmpBavjVrcvWoK8kxWkzWFhkiCRhD_GLV.21JuI2NiUBE9_19GEmU9SRuJ9gJj3NSdC1CupSyUflV4jXJFNouXY_v8whjczLq6lH.yVDquR9c45Qc_RFbpSHR4RT_S7oJeZDdkqHhQF0jqAfiOAnjhtORhkCHo.pYckC_k13bnWinyuKzY_LM3tpkUn9ZGryGuL9PSWP8.4PS6b8oLrSrWI_XvG3DQsB5oBnY44DDCh8_bU_h1GYZVOrdVLCF16bwnD6MoaiMQMR2QDw3R3oDpyodbX1LK7mJOgYKRJHf4nqwFMSbboKWKh0Vs.BwV87PaGzy48V2jsz0RQRRHZOOtRKbPRLtulcAMgoVqeAeZYJllSexjN97k1wPtuw3iXcK5KVz1lb4i8H066ogWARyk7VEEAKn1IS1CKwGsKJOoo84oiMz7qwvSYZ.fj_cdk_Jpezk5rZm.u579c1slvyVAvagijyPjX8eUscYsYvd8K3wIFeS.7P..Vei3QkjtBs6Hwo_OMQwoBVwH6LJRO1DK4xZmrrSNrR_w2knZqorfyyaIvnpTwPdxCc5QrpvG2iFNThKndIwcqXhFoknTs4ACqp0Q7O00_ymGyVjhiweAS.qtUDpxhaPCaA.h1jZT5EPg5fAdFMntG5whO_aMV7vn3_QC5VNGDKQ3gtVfB9M3YPwBOSr5a786qs4X2LiPqwaxCeKm6fwWJsPmHbY2b_Id1JVyQqskQid96.o.Bx_mGpfHmxW5TlM8Npc5TDS.JJOzKY5LTja6OE2C7t3B.HGI82hkJJBw0QqdH.0MNZ.V9spGXLz7fLVE1sIwqw4QOU_lC8QhBh5iAdbR2uzsy6eBavyUuJfDqBMO8kYxSvrsrxqIDPmtFmYmw677JbwducMlizG9Z.9HjcvxKtpjOVuA2_ZM8gxuKToFuW_NNgyTnMAH9Ov8uKLedX8yBYxu5V8Wm0y5i93K433XKOwZnoFtX3cHa102sVPMAF1f6Anu1A9b5zCFOTJdAHtOcr9WkrXlNgVO2NxoTf0xj1_cRkppBIyF3nKuvTQSpu2d3aoEfgnw_bd.8G5bnv_6bU1NRsuJgws7eDXBJb.sg4nbM8BbqYRgGYbNc.M1p4gsZA9Amcbr8qhQUX.UEXhqpme0eznxyhxmHabbwl5hadVfbDDgTpR94.C6KVzKE1xdvjFLoJJPIz16XRyclWLCkwhez0lzkw7rxI.jCLoHUdfufa.s1W.5O3z_s4t1Bdrsm4RVM57vsekctdElA6_9b5MosSGs2jSxXcv72Xfcdf8JjVPqOA1x0g106_90Agl8cq9PDbufrp9gmjWbRJ1VbGPyJ9oimG6ZxM99lzLE7bSVZPMK4gvYT685sWiUqll39pFkWkNRUIwiLqhlED1T8.BHV_t_I7kJ.3JxhyjkzeJR_IZwt1wzktlrU6CTnvskhow4BgtmCtj9gOsRlvLD39Kc0emp4t1IxQlkTnSQpu5KaTmgx2YaWITS1927lgqTXuwNT6EtTT5pfrBMT7.DDKatlXHsIQeZtXab7sTA.x__CQAmxBYXMRLTc7CuV7Ey"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=9107b7419fb605dd';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\/8273650941?__cf_chl_rt_tk=5MM1alpGFHa_BB8QPpSITulzaLKE6b9ZS9qtYbvcM7g-1739312317-1.0.1.1-qNJ3We2x2h1hiJHa1FO9hsXwR3Fbg_4jz87xJzlwnD0" + 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