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-affqsqou7.mit-edu.top/post/0856172943

  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-affqsqou7.mit-edu.top",cType: 'managed',cRay: '90fce5725e61c946',cH: 'aa1JWF.TFv3E1Y.LcLLUgOA4hlo3KEMCitN6GhqnJhM-1739198866-1.2.1.1-Cp.qyGIPa0luGvbcbtI5bHjxdVcLLFst7ym9dKVezzZCQpu3OgXwKZ4lwdpiXqdS',cUPMDTk: "\/post\/0856172943?__cf_chl_tk=FdQSiv7z0vQ.N9VCbiQ2ZCAP42vXUyuinUld76Br3_M-1739198866-1.0.1.1-Srm1gZPyYxvUAj97EsPexwEepKdAkvNvwen6ImcYnv0",cFPWv: 'g',cITimeS: '1739198866',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0856172943?__cf_chl_f_tk=FdQSiv7z0vQ.N9VCbiQ2ZCAP42vXUyuinUld76Br3_M-1739198866-1.0.1.1-Srm1gZPyYxvUAj97EsPexwEepKdAkvNvwen6ImcYnv0",md: "iEFXQ6e8ZsPFfScN.RYoUqbA3Z0DWRGNG41q9BZZ90s-1739198866-1.2.1.1-HQmT0xhefjBeKBenJKmMafh0HPFzOFT1s_J5crSjnb3p9shFzDZj20mdhVSg6zNHjqzb9wqWFEQk9QoACxCXrMY5v7KtWwXvNE8UcAbWMhqd7WF57E2XVhkI7MjtMrj10BZ1cxcbVzIr4WZjhmvp35xrz6MiU_fhpBcPf97dBfEg5DvQLq3tTKcLDlxoOUNaGtpMEn3wAwDJrqrf92OlvGOKz0WzPoc4U7ZYChfhDmpG3xNbZt4vgW_WzazrtC9774jLVhOF0jsSef0JK_itI7TINshBttu_8AqJhpPCAW5.l3JGlrgSh3yKrzq08CjyxFWdBdgAlgoo6e6AM.s97AaQ_2AX.yjqiM6o_uLG9bQhl.FHfSFrJuLZcBqemg_baWNZYswPeMQo64rWwn8qNOn9u8U1JdgjPvap_XOiSWDroLhU5HycGDHwKjhLA0cxzdwfb8Of3Dci4QPGcIsWmhsx3Fjbb0yo6gni4lSFAvWqPlHeBoWpTe30clgVb5YzvJ4iQXV662ySfZj5jE43jtxCVpQFLe50uJHAg75LOHDBUjPeFZEM_MKxfEBInfdyQUCFfP8SBlRHU6YDw8Ow4pM7IJiYKNmiQKOP9Fg1u4gfbO8iK_texwT0w1ISQB5udBapa8tvxIFkIO5OXYHJAeEiWGVCqa0rIFiyIZFtdm1JoxloLi9v4Xd260RGxTHUr4tvb7rEWdNlbQIk3LueXi5Tb7gu867d550VnjEjFLaM.40V4Z5EDYFXdMilN0Pr1.KeM.6cH1ffvi0nwV_18lMs1ZF15yf0cbHV1qeOWpCzPWyIlxL12hxOw2ttBRd1pBCPsow_W.UE.GZJUER3Swg2XCxd0pJvXeHsfj1SsvmngZ96GvyETJc6DlbB7JnPNeG76f6CiZYR5CMnqrcQtxSViNgoZBsirfthIXFFvuI.jPXuuC1oh_APs8b7zLk4jHJxKegdG5drJRPNIIOy4SahpveySKVeoPexmMgcxlLtYfw4DSKSHLHQtvdIPvNl6.v43GvbzqjeTHB0uIFMzgSPAGHXiTSg_ma_TXo7nzYHRruI_jLPTwmr9ZOnUGdoI5ut333fuf9jT2tEKwZTWy3E9vc4.1B5fV.lubyMb3l3FmehztEfXROjMc6uZuxAwD1IkBQEj4oUunXLF.XkEyHUJqBAQlO0nJfHLtriqheMmRIB.EqLfWQ.7.c0X.S1qCYfE2zkbjjQVHME62V8Om6m3TWpVx8k1qToOjAgmO_SxSuTbUv2fbefWV6PavoNUGUGZmzN9WxRfbab2PLR52My66ATDUkflJ9ralSbFOOSSeY0AG05adT3Dc2TOLdq3BSmqEAUN3.cxeI_at7VtLMuLRs1kQaRVXhXWXhJTKLEf9cYWN2h0mqx70Lw3SQFFBTLgBFVeSAq2y9chjG3lEuJfomYUBQiUuIJgRPKg8lRVow2ucvCML5soJdKbl47fk.UeueMBqIksjElY2k1lVD.qgIAQSI7MEZwsiuv9EneVxKGfPF_aKVjgIHb45CiaC0BQ72NYrbx4t.KefTaMHeyuasD9sRWMXxxygG3N.qrBOSwWhvGzJ9izgnoyzBJm7alv75yVs5BWyGEwqpigke_B69OWl07kinVTNT7m5ZPAl3MROaHeJOY5T70KFSPBYJJ6l3cEm0ywTsZQRhtEXoym5WH.jJmSpS3J6nIR4ybaMwvwwrvLNwxe_mTQPrHP8lOYfSn_t1MS7t5_08Zhr2gmF9QtFWSwmNucFP6iRrkYapOl4M8ICbRQcAJajmftYvd7XxfgHq9zFlL_WPJjD4isgH8kolbSsvPUmqLGRDnOo0vXDv3vREMsMEl9PEMqZxOf1wBYq7C1i5.7p6EBlGiuNYy2KalJL1UtIbJQ59GrBXo6uAu_Luu1G.ZcOXJ1NEcTytQvelf3xbPG37z.IEGIFYAlPBWmS39u4xG6rNAdQNeTvOXj9G5fy.qbI3hBfyY4GOwnV7bDasetW2CirE2yRTE7ihKsA8O3swQRDNYHnOg_BpYzSmAVIBpc7oxejvi51pqC.RLNZcQAISbAV4A1AERpw2.GIb2_zj0omxaoLqAvpp9XG0aK3ntM2Ay2.FS22SxfqAm7UuPRYokscKWurj03npvT0tAaQxd2f8NCrAi5darPJAQOt5blORyeHzCjN7_Z79s8QG7_3ySr6tTMnK1XCpMhaQ5r4SQt23QP.a8dWuT_ZZqsRrakW7z",mdrd: "6IhLcYpk9ss34vahnyEXZWVlZAbY6JGpa4igny35scw-1739198866-1.2.1.1-MKaUKIwfD8SuUtl12mtYLKpOOQc9.ae0Q7SSULiRPzrtkK41J0GBcIJyXaN1m9eoEOMCH_IbYtYxt11iHWB80Cn6nDXcrM0NhO9P0nNqH4X.b_EsneAzWl1gX5yVzgKFcI9Xj7t.GISU5X4kxiD3b4kOVuzFUkwoX93LPzO2Ic.ujlTyJ6IAyQndOERvCMRvE4vQ4ClDwnqMVBXDUq6OGT3T9lPs17Xi2Vd4hzLTNm3_o.0pGED5ZLHsVkpDkpU2fOj._QLwmz9fMjMgdb.FJbXKV8So3s6kAlrNd5oGSXqjLlPs58hG5uXn7FT7sINkpAhHGNFKNUUyGq3rOBpHQNpE8nKlgd3iqBQbg76wJEY5t4xausl74qvRswTPVZasxnKL4Dnh1IWRq6EkONsLAGMFoUWYN6qhAKCq4xtV9LunTdk9Cr.aVJbGNFG57tvd_cEF1BfXVA5qMpoHBJqj_Al7kK9H0w5_JwlwjSqx13XaOuvdLIPiUwdGcdGyhS_zU3eF5bNgU9zZu4OIL5Nc9slM_E_PVqCkvB1nSQZpzsktiLHRNalyd0D.J1sie_WHLhL.QOumZvgm4BtvM3mQzsEc0t7Nq_P3Eey47tQp.9u9RbYpuQcfnkAxY6PBKaMpNPefMnf1o2oPxPhXehHYoOjA91CzpQA7XlUxO2iabx_AgVsQnXBgJMAYjy5lgROG9y5nkpX895.I2k6mJ9Y1eLLVp3iGCAtv._6gJX.qoduBJg0b77xAanJAlCFSD.FIWpqg6l9S80eeI1JY152EfYQghUvOwmulHQIbL.4_3YNNh7u0O7LfQurRF8PqtxDA8xzAEhLoQYF32N9UdXBlURfvxKVU8smULAC0nSTcBI6mEAGZyYLYZ2PQaby0vqd4KxCjrkOMySlU4vrOH5CYthEWcqqOv._EjCJo9fcjOxOcXNOeIEyZjZ_PjtaEAxg28ZhBzG9mPao.ZEL_cW9waZGAbAH4rMxkZKPOsXrLo0QP6L5GmX607Guy6Y6R77aLHDRppvYdMUCK8wbfXdNhBIRTjBKleoIvisWKPqvBLU4x2H.Jap.2EdzGfVJxzonj81DtTw_xExJ9OaTNUdIrNRST7y5SvEvN3sh1DZOl1JvOcbk0mnCpTzsZsAmUupaQvhVNbm_WNyFt8YA0mFh5hnvUEQ599TsW9Gx9FclSvwjmONJkVbMU_cQz7WoCYRFjqAVU5MJcPBfsxytHqudia1aTYb3zcdtlA7ISkhddgf3ggOBsmi_8XRs1Y5lsVcv1TRS72uJ00Xo8n.hlW0UWCtu2nLKGqEVhAyPyvXpoYv388860uaRFkCkwMtysAL0p3nQ175te2E7TBv7jMo9vF1bBEeZm5uN6goVa6knBzJxBJ3w0D4Gl52w3ibXawzSIquDT5hWfUKap46dwG_mJZgdpRE2.WS6wlSNXe6.qcAxXAFD1FR2gC.eDn3w3k3353zoB1NNm.PCXavadPoGpnsc_X4SeEUvnYpXFjUFdYeTfkPOYQR53H1F5tdjZHVm3r7.6LtXxWKvrGpqSnYQBwtgdbqguincoQiwqNMcEYRbplFoABYjAN4RWktZuS9nccjak5FIhBID1txghhsVvH7wllFhp255PrS4e0GC36sHnm.MLT41HB7FoN1cZSECVAHy0RpDUEwXrKaR6ELU.sg3tRU9c71qeF45u1y9y.ss_o4UUJSc98QaWsANBQvqaaPcDORgFu3DplZKpgY05Hd7dY2yNcC41VfENDSVkAYjBJ.43olvyjk5Hv7RCpnBUwxMz0B9QGVPzHtR3jG961g"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90fce5725e61c946';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\/0856172943?__cf_chl_rt_tk=FdQSiv7z0vQ.N9VCbiQ2ZCAP42vXUyuinUld76Br3_M-1739198866-1.0.1.1-Srm1gZPyYxvUAj97EsPexwEepKdAkvNvwen6ImcYnv0" + 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