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://289657.mit-edu.top/post/4785302169

  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: "289657.mit-edu.top",cType: 'managed',cRay: '9110b8aa19965935',cH: '34VmkrjvyKt3svbOABrMHDKPcylI8nReeeMqJKRzWkU-1739406747-1.2.1.1-gwUMx8aIfg0u7BWh0GMvjbaKcQwWvc9ws1GKPdbF3LqyiajEzXytw2uMSD3VtbWT',cUPMDTk: "\/post\/4785302169?__cf_chl_tk=GZ4No0VVo8VQlAdnZI3fN33UGTvOgRUSIXGtHGBiVj8-1739406747-1.0.1.1-_aICM51nuXuXJPO4_8klmExtMF6OnM.ygA6.MWJI4ls",cFPWv: 'b',cITimeS: '1739406747',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/4785302169?__cf_chl_f_tk=GZ4No0VVo8VQlAdnZI3fN33UGTvOgRUSIXGtHGBiVj8-1739406747-1.0.1.1-_aICM51nuXuXJPO4_8klmExtMF6OnM.ygA6.MWJI4ls",md: "1.bxRkuvvfAa4wTkGovkE7MvsUoa6ubqiiFFYkEwLrU-1739406747-1.2.1.1-5Jov1Ni8L2ceLGv0kv9AJ64VeoH8GZNv5CHaA19UV_uBSfTQxc_r2Aa5PNl6ZKkpn_ZHwz4AIXyaGDBDfPabgO.VJVzOZS0QD8x34v64zB3JNBEDJWfDLQxyV2QnEdyrrOEugJ.vqtb8ucOI7sWBym0snWmjHeXeFv.Kw0FZn0Qa4RAFvGX0lW2QoQhBmhmvMqYPqWs8oYOmF8VtNvpge4Nrv26Ou5FcsvJCkD_ckSjEPPCdMmQP9oQCpxpXjeHj5EfAoM.f1ZABC0pHvwdVY.yIRi5CssnKuhqBNG3uVU6H8TftsKY6E9IYlxqE8Bmyuj34aefredEdlSorgNkW.mNalYyZFIlu6YHqpX81IN16lQA1wUzaZ_dUXOS7uxlSIkA15l0IhCBCfxyWkr9f5lPyt9hla9nbGrEx2z2NuTVNqOKcpJ8Y4Gbrb3Hr7wAchsksikRvakcvrC9fdJMzw3H1f9MQgG9BGLuOZKTSnz1lbTo3BQuyOnHnXS48zKzF_EfOgL0N6AuAHeJKWoxoqdUM7DW9i2l339WsCeHitmtlVls5Lw7h1.ydcxkSPCUMOHJuycIfWbfciUVA3ndkyhSfPLTWE34c67pZUEGh1QFSOitYYaU1A6EXI1rqjSYX3_j3TbiJEvZ0L4C6j9X1aV96cmWjdtxNFMmJU_7aVXCQSF_H5XOC2g6QmJgjPf4_CFsTBQesds4PK8CKIwmrtssVvgkeIBZMgpQcut1I64rXsE3KWWOFptdm01A0jksigt0sKJlMGQm3TRGmCMpfbWRDytoixx07gkGBm5y15_nl2ko7hG_9LFk6DPzycBp15AyAlyJpPG7eEIYKior7Ord4uIPB8c3dUHh3Z30waCBd4bRTisG6VqdtzlYAAqk6vxeDa3Gkm8AY93MhWh3ttztHmde4QRBfQXHNQJ6HrqImygp_0ycM3MjAr0uni5bmClrl2eU4JVNDP1wVJDHkGoGLa2PwbxJvvg.DaesdMJcCaFNKwQLfJcLaevE54y1ZSFi7SCYNi6x6is5muaCpBGPk2cIhGTsaO7_QQkRkgywEhBwnxKkDAzeBgvwD0KCnvKUGyeFR3xZxAoIZ3nYsMnlCG4_cHiaLtQnxu9.DN_kwDeHjQHRIFKq22WGBC.tLiZIUIhkaHQaXcLO9dE1t9gyCMEIFPB78SK1N9EyRgs9KLyej2rzwqSrvowB0U6tu0EVW65J4ReXgGS_z2yXO_SpkpgfMZ4EsroZH.p4lm2lJdTT8wF8X.vldp7gkPNej1zAobP8z16KLfNexR8S1oE7gtK5h8PLGScbNusYEu_KtCSqK3M_Hzz4.ILMqLsmCRNU73tjzMFWxL8Iesyt1NC8uIK8JasczqWk2gL2ovgtmcaT.dROxCZQcB7gSVohdbt8XdcQW4z.Z9i9im2wSD064GiRPqNO81ZEjrdIFkvwFOba9hlUE8PSD4UJ1bQdwd1omFxJpsQnZoUT678k9ya4WyMWxT_9CYwyTWp14o6Kk2ETxt2P47B9ZyYPQ577nIKnrQGcolUOZSscP09yna.7uZcVEuX1i65wfn.Etdt1UvwO9cWSZKGuftu0xg.tB9INPGNfMYqxgpeDpiBjvQi.YcoDgeZlJtLpXG6sDpcckGJJCA8XuoW6ziZ.ML0wQEdg2OV_VWFRvHhYCE7bTJHLmR7uXHE9eGVsP2xTZ7DAv7u64Zm6d.0D0ScsauOIlru1GhIk6zzquNsX.SeRzq5I6l68ImDfY3YQb1bwb_KBipMM5EdJ8dbFv4C7VhWGLFU7lHFsr9svJATfFHIx9mfxTkmaw6aGaZKtDGb.Ic5bZn0IBlvg9JzbCvPoLYtlVm1AQt5FJ.Kt_rWiPemk1Y46eYY9TV8kbRBEunl9144AhmMZxqjMLr9Sm8lUHnRhcSBkklv5Pu9sxZhnEdzGvrRi1FNkOhUDz.VXOjjNT3nmbqur0hSUKwoOJtnt_GTzNGMAjr9TfiHd_stJfP0sP3dCiCdtns76JYp.lbFAX6RxEYhBodEQJ8NtkLj4_x_VFQOHn2fjXWkc07jfHv8nweEwFO9_UB2BPmQ1XvecfxNd60kkWr1_KSCSPLKhlgWSEoLDnwKOiHmf.qX6Y7KlOfeL.wCV7Iart2D9iGyXSRaEBpIqVDShELpUD837.7rcUAIQnASAIvgLe5wifB9ELi0aUse.rGGePpQxw3IBsCes",mdrd: "1bk6.TDNkP7TYx465sC2qQm1z9hUGCxPg_CK15nVbvk-1739406747-1.2.1.1-Bb_tbuXXqIK3fejpF.8NWpkac28wPT0Z9eO6uvCJtDOAFa33pZRiS8UgbLnsj_zGf2.oZQ1QxbfnCt.qh1rev1qqgq7vAw1up9YtR08PZ5yk7yCnNEcUJAvaGxA7d50xbFFHwPZEmTdvRVY9vj2odw3qO0TVK4RYFWIqtyWrvm12yhalh1IinuCgMuxU5tulOdsJYIVKi5j_7Y1Nm9.F45XxFOTJPQ6aGFVXzR4Zv0WB0R8XCBzXgPjJRjxsTkG4UCI4UloFh6og6QHlRB_Q6CWmp01KnoEaHeu7jbRNZ68f64L5lJld_NtRuUiTC96JrXND5l2HeMgwjKIIz2xoG49DHkArq7qy6eie3_mZgymLYQKj_KFsI6wZGO4E4AFOxBgjnIRljATvPmfqI0US8lmp65d9dtxr9CmpsgiE9tFUqTuUnaHT0L7EKTK8GcjeyyW8wDiFh5NDifcM1hd4TshaX9buPOWy8qKRY.bU98tHXOkkNMy5gZFTo6seYpfch4M2d7kS575S2Mz_qeB4rAecmG4W5opXAZmxebRGtbcM6DeEKBKy6JwnphViTD0mgZ_139xuuq9pDMUsFl7E5qY050fGZyH8EWK_T1Bs9clQKGNqVFTYb7J09uc0ep6WKp5FF8rYl78IAAIRJCX1pr6akZgxTwH7SB3CukJAxj149gVVlZJfRhruWPVYsZfT5szMxl0k2CqqwBmIOUIYLPToOmBbl4cxLPYzp34gvALWw6f35u2OZsAB_7R20RcXh8GKcmNM8PO6A14VlgEy9eNu0r7bUdfO2fJ_YbKV8LQl2rwfAZWP8RsdDAJQ5SY8LOmmiQkWbyZqlgelqpGlMDnPcZ.VIktQuDnj3vmzzoqTyoiaeKbVrzqOhfYa0YCLh3IpdEjTCCdZyp.VIgAX3Pd3oLAlW.lCs.yiheP6Xe_49zH8J2l64rVLL5tAVYmJs_W7hyFqC4.IF2hYXwBqE3Fp8hwdkWgq6cXYA0zMeCMsHgwrbpR4eu.aCfUMDw_hjnd3UsCaC1iizwwy_4U95pB8I_hBg9PTepmcvxFmWWAXHMUscMmc3vK8qsdsFP2pG6qEUEgSrUsdM2x0UGjVR5FIGvXNgjnedRPoeS6AlvYFELXqsKlkyXJMBeTgKG8.DKd9UPPDa986sfdj38EhorOrf5LcPY8ZD2tR9j2l5BpYFfBiylTJCbgBsivWOb8J1m_K7wsv0o28KjbP_cG7O6s6CvEJ7Xx0K1xsC.gZ.AFi4jku.eNvnlPNFrB.tmCWW9DfOlzZ.x4R5Jecwbz6JfE0q8i5fCHQdxrv1vMKEpoVRKd9Zva4hOor9k9pfI1OSy7oiVKnSBX3YFrv8REDyhdZq7y.UKW90gJXK7LsxUB5uX5TmjfqPQZ8wgvNr2lZOs9jC3VXHyhwR3SvfTpFigdzhh3sgzwHD45HSrT98N6JUr5NfYsF6lSw911utkdakLvFp85MwtTxyZYyaDLCdW_S36M5wJr7IFYDaiITYha5V5pCnSkwKQCPEl5bEJj2uH01bO4WTKfIqIhYbkk.vMpaZHsy6755YGBQHoL6b4gCyxaYSM23BokXwEcq07e8q7t6KUFkQCMQqHftaRVQDQedyHB6EOGh_xEWSsRl1Xnc9Nfc.HoPgf_obu1tgVu79Epke4OdajurO7nqvir_yDs88Q0yzaJKaOdN41MtM52JeCLHnMjEsy0sHSxitlaY8LZxQJjIipCjhCvo2.v5kSNL6TGsco4k0cnaVYLyjZr7bkKrAKh5Yhab3AbV44Jv"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=9110b8aa19965935';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\/4785302169?__cf_chl_rt_tk=GZ4No0VVo8VQlAdnZI3fN33UGTvOgRUSIXGtHGBiVj8-1739406747-1.0.1.1-_aICM51nuXuXJPO4_8klmExtMF6OnM.ygA6.MWJI4ls" + 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