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-390388637598.mit-edu.top/post/2087345619

  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-390388637598.mit-edu.top",cType: 'managed',cRay: '90f4c1e1a80f07b0',cH: '_PvTAC3yN44J2M9xD07R_3L8ekhzAouUrQRbDaoTjbE-1739113523-1.2.1.1-C5PbN_G14h8wmH7w8_nOXqNaeFjNdIFr1TId4yxcaOphMa91C6C7oq2uJH7Fzckd',cUPMDTk: "\/post\/2087345619?__cf_chl_tk=6vZn4H2c_Hk4ofeHw5BB8YpQloxmyygX_yIz1uaP_B0-1739113523-1.0.1.1-OPCAEsFwouMrkRwrNrI_wivMOCJLinjIplk3.3KJjkc",cFPWv: 'g',cITimeS: '1739113523',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2087345619?__cf_chl_f_tk=6vZn4H2c_Hk4ofeHw5BB8YpQloxmyygX_yIz1uaP_B0-1739113523-1.0.1.1-OPCAEsFwouMrkRwrNrI_wivMOCJLinjIplk3.3KJjkc",md: "bP6XvxR6HKT_hORb8UbDZuCmDOdEiTElZGnIFFHUemc-1739113523-1.2.1.1-UWAvGa4eUQru2QDjbCYB_ugmWLGedNeebde4EDsT8VONCLD2SviipMumjowuXuB8796v6k1d70B472To1sxmDYlbH.mxS2VRdcllWNMFsthuI9UysXa0J9mjiMRQ1WK3ZwEitsPCWRU6uMR6BmiMH8RTEQXezstusgdF4W3tMNzYJ1ugw7hw4OtuO7lUHu.RkLCoOsEVy43b6FDp_5V..wSj2GMFMgu56FOCrxfzAcHXv_udxkdIcErmPmFWRw8mPCItr87XHpXMSNVvGr96jU_J5dp8vy3g03ZrdRFdcEo.kCVTASVM4o1T_AkFpNFLhedC44hmXGnTxBJD49kJnhakxVhRiGFXa1Y95MJO7Nqa.r2ElPnvnTXDPrUK7YzyA0DAxLWqFEIQFcBsa59_JAzvIaK83Ji.vAsfmSjCZFs4mSy4ebPBDK6VTf6UYZKYT24_1GyFiWU_TFSxWXE3MbfRn4P.wgmCh5y9Y9asBRSDDpmDGR3k.Ups_JvSHo4yTCjZr.Dorv_ZrJT0_AwqaKuckqeKBdaxol3Gqonix1YHxU7oI1aBSrhzxFt6Wd.AdC87D5a0Pz_oFp_Bea56Tlw3gD3YHN3JbCaw9dACL59dNNXsFdmNWTbSaq2IlFHvvQUR4kJpG_O7fQFWSniKj0ZKQPIQLkKhVXfcWQ20OzYIr3.kQSQsgnTsIzCVCbO4lZSq_F9LRdYT_H7t0nH06Sk952uXNQreZqrwBXwYBQDL3kTBdJfEG7Vfp041vxSin8aPT.zdpw08eDV6SEG6MbHVrFarhCkfhV2QfhR16Uz4Zt2LmVOHdDr6Wuqc33gboMLjASoIsHYvO1EDqzeibwfMHRsac.SfzYcEWtDHcNE7VSTk059l8F0FZ9JdeYOR8E3xwOd1AKiIcasrYOc0a_D7KbA5SLHavKQSKRENVOCA9rhlHyQjMMZQcYdbOD4Vo3xsheNbQCN2oq8ANY_SM1dFh3KF6bmXEmULEtjnG.h62WCr6Qfbxe6mq9Nf_9_Rp43nzwZ8JzTtPB2vjzkVuG.v8QrwOfF_DEPnqLEs8juvCYGv27vQXYrqtp3_LIoRzN_GVgp5kmH.uO0dvQishcvGnPkvMZRTYf_33FXBB0hTxzmpgrFHMHSGbG37BfuUlGDBcDjoGIgCbVsaP17IWQX2TolRA78VQ2okBOvJ6kzqrC4GYYminwHEfOeTP9S1A222iT8K_G13Mg46fux4wTZesy3JzZi5QeoPFJ9nFH9J9pDwKBBZD0oJxIO.whLuzGEYrfu3OgvFs.cL0apvxh6wgD91fRaF71y18ArRz_n_1CLh6gpzl21lYgdp8eYct5zOz8bo7y87D1J7yX7ltBiNUwVtRRRYnBJOg2U1qfW1UOMGftH_tds97X3bBnxvpyoEX5mg84PG1FZq1_plHAiinERDNhUPejyi710hctwNhL8D_5QgJK7RlYJ26GcXaJTdPv5.a2V8fCTDwuMT.6lR_Amm3F0Q7a_l9axpnxtCMI.P_BQpOZCD3UGnuTvlwQK1ZWn5DiyVOrRZxBAs7BlXkYP0VMNCrNy7CFKzeDkwsL_ZCXBsLI.Xw5vbup7mFPDlvQki500nQvx3Uh2dujrR6n2ZYp1vfxyL.duE_mwdlWBIqSFq0XPSxWV8dW7nTIj30j73Hvlz3326l_ApzO2Ci28QOkd9vRZHZ.KvHblgIVUDCNpEkFjX9uBvItduw6WWQi5pk58MRmR2FxMfA6be3iIXmgla.IvUtEbwDHotb56bquNiyprUmDC_uEhnSlAfU.sxB8PwT5nZru2PsXjCBENL_F0t9deed62c6g_IThVlXg9rtPwIK2kAvCKzh85ziObw9Me5kZLsdnPp0Zrp7akDU8qLniCvVWj1O.D_AIY.NPhTSw_2ugrj0h8HHpiqBzuEwhvR6J3jUFQELdJqbHorRODROTHqwi.5yKljFPoyKTnG58zgqXVVbMZXAgPA.Fff_0kkQ9SgqSk1EhkeDR0LZsqqyEs3GuPU3VNvNKLaffeJNhNzsA43XOTMS1B22wf7ZA6bnTWOaqn3psAiafc49jkpdgQ4JimSI1Lo1pFHW7FFCnEUXqW3bJLl7F3J0H0E2I5vmRJEAcsOcfGusBf.4wq04MCDLsZ.cgjbevAwpJ1inwHnapjHexxpSpx97uFz8Ju9BsuyZMZFwzNzlroeXN_Zgn2w2cYXHTuId0LhW2j4jj.kD2LpAbw8",mdrd: "Tnapa4Xhz7V4HKZXxGpXL9fRsJHuQjcx_E8k.x3p2es-1739113523-1.2.1.1-o1Ot._AzSrcNMrZOdPIRKWf4WQwyjKVaG9wWM2Sq7QRnitX.TuZ6s1ZMp3x0iN49Sp_mC5w06HBMf4in9jgJSQToWNSZf5C_pmNiSHWRzWMQKD_E8ERfvQONmcZEmGooWZsPaVJsy52sIQWmKi6GTJtSN151zbqXl.RvIk11NmyNcR6ffGpJfh71nhTcp4Jg4MyOGvXnm58rzNNqFNkEEuMjOPDGW0Qxmu9VAnNpXfQXTwMe2K.sGg2pnD5AdZml9G..yjjWG9P6B.vDb88UKpudLSKY5l_RSIv5IW6yOdIiYrFiQdn5jnHtBg7jjuUD.no2JypqwKGPHip8KfMsVPt8RCJ2lXW26gEC125B3.bjqMOBfj_HB.0Icvq1Km9J5ocpHRk2e5IBMdcP_vamwI7xpfT_sNeNRPoNgqMRr6gGBJI9UtJ00fWIWydopvwGUSLfZRp6cVCXjhxHbeUtrCmPJeZpElbZUbb8v7773M1GnwboRir7QbyFMxy9GnMF3CLYUQLgWo.1ziqy5VOa9atcyKvHtPOJ83OkAk9BIx1oDAVBsYG1vGdZWcTN8PCXYqa30xDf43XdWkAcmuOxEmfQbzQJ49rjLhUahkgaKb._UXSOP2LHTPcWGb_nulrVy215KHaz5i_4.xMQECbqT2rZpTx0C90oGlpa76QkKptz1dOSoG2JIq0vqgRRxHe4yL8ZfGx2X0TFab0XrdyIsRM1RdAMFthQnEoUg8PlQEXnANwfWDrxn2nXTq01Iqf9QlIMEOlKU32dBJxAX3_hmkrl3bWV3V8DlTDuZ9AR91IJoVxvtQUYIKsylCpzh3iN2R4aflN5v_y1eEvw72.vibT2A7Dx7aS_9MnynQxe.SO9F17D.vS1vbyOTo7iEo4lUATyxxjkshaxrYGaxgbqqTYU_F3vqFcpKi9NkBX0iHeyvZHinxsQhZRhuyXCMryp5p_QFXPDp34fWPeJjQ_RkdG2C3Z9iZmWZduRV5Qec0m3S_GU4egC0YUXBvyLAfR56a7rOsu.lJQcuuUZaAkuHLJUF_lOOTfPAP5yZS5o6a70PAEcHpIyjZGlFsftXcZc7XqayzSVOoS2dNVMGyd.h6OXf406zVOjc4fCuBKHC2eKzo52Y3Y5NXZ31mo6VTfSceJ6d_PHK2YqTmu_tir6em3aCZGm0hHfxBNzgMF30CD2qsFtDgEloOFC8wxcQa4ZkriQgKuJa8f3PWtIWY9xxZ1oZ_yaO57kUXTB7YCNNO1ssNMH18wJCF.0qRlaKGQTvnebs.WbR_1ndowufucgTBp4tCmStoIF6ibfxhDwJJP5frdxVIBybqIFpBs2ZU4xo6ar4gxssWXWXov5wZQVXcR8GgrVj331SiDToKsAHtILP4GXM6BCrEnZFStVDVPwgA_Vvcwf4SIl0oW4HJNGVcJgLjRBpkFezSg9JeGEpTM5Q1_4yRb1.HTwP32xAENPk1BngWU_6IY2YeEpMXcnggPFn.l8LeB7l8FJfbC7FQlNCfDbmPq_JJx2Z9uzfz5vniWzcXCSr0r5ffz7YEQG7QondBkJczrd2qxg.4YGGVO8Pw2yvWtk64KRR1VbwDkHwk7GkGjf23WXkXUUef0fkPbEGpgh5vKvOXbFXqk9o5znn5GpQIyaPwYEkTTUVVw2BAlNPbdsoDvhDqK2H1xq76C.iQP7xEzZn5oP7BvnMnw73lv1Gh34mhLAF3WBw051Funib3JS9IYRHeALI2IxSwhCH6Pj9KorspAY7ft6uX6uEQOpqS9ge1z4RH0n9kLv5Mxh5Fn8CodjIXG_DlhC_j5gkJNZ8k9BP6m0H48X.J0"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4c1e1a80f07b0';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\/2087345619?__cf_chl_rt_tk=6vZn4H2c_Hk4ofeHw5BB8YpQloxmyygX_yIz1uaP_B0-1739113523-1.0.1.1-OPCAEsFwouMrkRwrNrI_wivMOCJLinjIplk3.3KJjkc" + 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