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-531234170678.mit-edu.top/post/6813590742

  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-531234170678.mit-edu.top",cType: 'managed',cRay: '90f962fe3e7f2076',cH: 'd8hxRLFdDtQUuGnIHkEHMlu0iDAwToGbAgxe7Od4YE4-1739162065-1.2.1.1-wUj2da7Mzw3nlmv8OaLda740QdZrxS40hwEzZnaF2pKK8laXGJVNX9F.aI8FZnBH',cUPMDTk: "\/post\/6813590742?__cf_chl_tk=BTQTiMV58GYQfk2Eg.6VZrA37T86YwHy8EuXlzbra40-1739162065-1.0.1.1-pnUHg.0kr1Bv7x2.PWipIqfkHl3C4M017rOSDvbQ0CQ",cFPWv: 'g',cITimeS: '1739162065',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/6813590742?__cf_chl_f_tk=BTQTiMV58GYQfk2Eg.6VZrA37T86YwHy8EuXlzbra40-1739162065-1.0.1.1-pnUHg.0kr1Bv7x2.PWipIqfkHl3C4M017rOSDvbQ0CQ",md: "7Rvjk_SuLhu70jsd_nkFfMIjcXQrtVSLq5pr_ff8tds-1739162065-1.2.1.1-mtktM9Fv1vRzvye2ROVUMl_3P.v2Ydb_L3ikGKWZDdICHHGWg99GbFK_fJB4iv8VIZDERFxuwVb2s1.B6fNaH7qeg5iL_.HbByLTPnQ3fYYdOqtrFXnPBTRvwn3e21TDVwkE0i7O1Yi1rVggwv1OwyL.Y2WRzAGHMJvsHpDJI1smTy5cCb4WLJlKPMHG4gWDvG.M_R8l6oUW101c9Iq9MiRNHgzaQCi5c5YWcjEmzniBQ0JXPr9EfJKHzZTHE8ev6TzwuRDR3iCkIpEvUQmQ6l1BgffvXYHZtA0EWvoGLSfZsimjEp9w8y.OclKPOZnLBF9vPkiRZy6RBDr6NesVzxbZ2DEdnrnXIflRl9R_oKbzBuf8NKXBe5ZKVvGr_KF6B9zSZBtucS75klXF5h_QuO6HLl.4_yABGYn1q13jVnnW7P980mEMPA7j4F07pI5GlFIW0oRVdKp.uzFw8x.OtzbUKW5GzD37WMahTLMUO4ahVpBzcYwNiSO3zwBd9Mws10hCKAYHuCKQDdX3UwEDdkYFkp.xQpQa.5g04ift.Ww0q2xts5HK1emghfgtGPixpHvsYlp7J7Ltomlx_dvVeXOzk_3H.7CJUp7MuUGafseUcERfiTRV_.QdAjclKfcqguQ7dHR0qnSy.ecNCfc94nR5AP37pfgg2LR6AWgfVZSUOYWf8orHUOR7qX_dQb7QZ.NoB_uLKaUcMee7g.71AFc2SnY_CPZ.mXf1VTiC6ihwQjrhvfWr3l4Mdc8t9z5pBgH0RUbbi2EelAd9EBzYpsJuNfGA6mtv9PylFmOomQV5FogqzI7oyslfMyqfFefayxTEXpIBgolg6RdCkUUMiD_JzBqFrAYNvt9G7Kz6WxoWgvkmZvYDGTubD3SsmxM3nV3ETtSLxrPM2Yp4OwWNdznOj9CnkFraNLvSmqg9PvxxwcZQqfrPL1Ggkgo.ack9tgtOAvcdRCOgpxiKi0jbvgRdGZ42BzFwt62BeYF1rxfsydw7DjxVTKOJJ3Zr4ygcJjymSubVdBdF74WAb51qrqV0P8pZCRlCBDtp3z02nG4Xwtw2J4LnXYRgigZVYiJOZmmq6J3OWPAr18jFCKpC_iWBprBOYKSW39IbbYIKIZLv7RP4pI_JRLW1QdzkcqKizIi3xjLdi.okU7PA5j0QdzdxHFHVfctwO_q0vPtG9S_GB__Pc8CepcjlwsF9Gw4NIl5zuj153UqhAcE2rAkCK3uhDCfek6QV5bTR2QDnsnHONSDPc0iZE6_IxV6QkP15yuFstNiUrpxGlXz8yW5eodWt2indBsRtPYKhTJGWIV_XIElLgEo3nVHoWrm0uVVztAy3.9LvMwUzzadTkWWwqCDydBlclcqEThhK5Lyrzsgq3dMwco8plQ_OWDwtKlzdEJt_vlVjysUMqLz8qpwePpNDgeZ5WS3fip02nNrO3a1h52kjByG8Xg3ZM4DPTHfyPh9g9.FDD0j5vRg0bC.jhQU7WLSvxIP40PHzv6_N6dyP9Tp.MfHZUohJpfSlghBu4.RrLVlgmYb2xeDRqd6QhB3vIBnrsa5F6vYs2Z4BEN3BBX17yBniIGSKfbaaF.UQYXe.56Ko5aJ_EfU.q6lLZOpYNZZaBoUdrSKAVZep9QjiOo3tYM0yIPymAu21cKdHUCxbxjFGmJTA3HBLRgR77hujAwCSFI4CeDtf5FbJCzfFIajQl.vzHv1FUyVz86YnjL13LnVVZS9GJfge16dgXJFmjdf1CzWJsKmLhSuIDF6BAB978qdh8jE3baRBaVAwEH2F5bltRQfh_sugDtosSm1HzmEduj1d3DLu.Kw4RV2RiZONZH928CA7pGk5tz3HcZoFBIbzvD9gxBj_3sll9pKgXvUm7HxPa.F5ARV0ymrPkYedBJUuZnvMeZExLFu4kbLhdaON1lpeSCXZwviMGZvpLi6tZCC5C1MXLYVjPXZcXUPpJpB.zdQXD0JOZwB8FJrD5wb7TujGfslncN9ttmRCNIz8uZUFwMO1dOn1PkmyT4L4bpyup2OJipcESr9wW6kOP5IQJKIFI1kU90Qzx4_Othv5oNfBguWSnu8g5qGcZAJJyXOGZLYopUrmAIPSPA..vYllCN5e66xOQU_UEkIoAm4Yi3TxHbaTnv40xtXZ0oe87saKfIiqAVok47IAX6Mki0GzKzdjW7EJK23SorGclayGvRWeBPB0WCBIrUAyh4IQVpd.VWOH0UpzCkQY",mdrd: "dlurOp6Q3OotGOOXHDd9vhqt.aPjApNB88EuhRYg4W4-1739162065-1.2.1.1-.7YK46rNxLLTaHRyxqgCcaSt3Oq2B9OszDsr1HNrFihNCez.I_dxE8vu_8.02o3k6xXEn0tL.XSL4vJs0nldxtH8isrWvZI1PbdaECDlamQw0BYkuBycmuaYS_2DT0BGpQd7jpkRKS4g7LHs28oUTsgTvVUe5.aI5_1VybUXN00BIzuPANiXmDL2P053B2CInMlKnHdgBsVOU6XoaF.yfLgrND5AgoArgqySo_DwlZ17AtBA8Y1V8EiMIvdr3uRJJIU.6BUdzH9YSM2LA1_sW0_DrU0x09PqBWdmcGS.m2822nKlyEJV0W0BJFwSEmMdfHvfq0RdG87YTkNMiqZ1Ab8mRTGUunbcwWCTkP4HtD.2uYaQ7CaZXCuzfRagpamUNOqiKh5ARvD5CgwLL6.llafcS8VF_yyJMj.BKEhX5v9sZIa39nykIz0H5yztLwxli7DYD5myZ79xmaTzz0Us0Bf6T_OsBv5AWwqeYDQrn0BlgzkrXTF4x3tKi2n0iyA22dB71jl7ZLj92pN8RQ3IbdRnvR1jDigadBVSlgWudhg5pVSsKBGHNC.SON2l.fqie4OeZw2KZRRzozOyVQotkQXnNQHwivP.Dfmu7Vj.bjDUvr7XN16JnHyV5qVpNiEdMvpHNgjPVYK6Bi9sgzZZqmtx_oVfaXmCrTh6O_lXJARYuHIbe3fwT3MIoxkkvGGSr1vDbOWUYRlMug5fA9hOLRB.0hKONK6ztiVq5HGI3a0_ayAWZ6cDl0ydKXs2Vo9ZsV9tQF9VrbY5r35_B5PU3dcQ1qRfEXfaQnPbt8r5GEFEkMrHhahJHQqXazBmf9vl7XaVyqn0qwCXLS_2YNI_Vexf6Asqt1I7VNvEnmFlgzP_pLNZT.KjbBPnyZKQmSrXsw_7ta8vq8gdiwfn7GNwNamQUtcDQVR9h6ESo8O1VuaImIKz6lgI1cK76wNxTwgGh1ZOcLBhxTtjD5CjQ2MWw0EW2vlrymx9qZlMpRglZpOJlmWYp9itOZVRPNPu4yq8nfmoEqYeAFbZr7soI9gB9MDo5.lxhZbjLWpWcqD3RuyZ_x057s5sqRoHw8WQHzksXwRKJstOsqwwBuF.GlDN0J1VWy098N5jUuM.M9UBwhsbbmBNllE482dmhqXp1S2T1VZZlFg4ORv.7uYQ2vpb.rgGBpSrxb5xLBYLxha_nMKkMR7rOy7iZyUQeuMGL1TRfqJi0vfD4zBe9v9Wte8vdt2048ZFVXC12Eo7rlWb4TAlQDuf30cahR0qWJYG4PNgT0TiEa2b1tWsbxpCW2muSssWFXBFKIUBDC30KrFINxSvUAkhHWfKdrepLqWyoa8xlnH_OILXfkLJh3oecaK3TvlVjkd.qWOhd5wCF4sUd7lysjdZxiWILt_nk2EnalOODkYmwoPbuseCfZIqVduXHduPMYqm74YPrETHi9cx2P6dW.nD1fYRgomnXMqm8qcVs30f9tAV86Rz6JkUrPU8JNp88oT8cHXD36FFRJj6PakdYMFsRrKbAGWxinXMokEd5FiDjzw6VWT9m4j_vzsrXb56iVo_sYJx2.61H5fsdxlTGZEfnWgf80vGntNPOb32tu9fPxsUzdQTfqjaLhjMvLy2t.Xduj8xtAL.oD7MzyGUWPPCLVSNGasbKojm2g0XEX1w672fUrNzwILHbCG7YHc4uD0wYA2li3kfWbNSuz.Isg46S0t3muQGp3DSrbRdx6nqWofk1SHVIj9BUXF_37T8pL9vHVvkDjnbDcrDqbjK7JqanNZrTl93HSQa9.kJPtSgIgLZR0vVFObD_SJWqM4jLQ_5Cb_hzLePD2jFWc4"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f962fe3e7f2076';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\/6813590742?__cf_chl_rt_tk=BTQTiMV58GYQfk2Eg.6VZrA37T86YwHy8EuXlzbra40-1739162065-1.0.1.1-pnUHg.0kr1Bv7x2.PWipIqfkHl3C4M017rOSDvbQ0CQ" + 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