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-aff2yy4uh.mit-edu.top/post/0894517362

  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-aff2yy4uh.mit-edu.top",cType: 'managed',cRay: '91079bbedc14c964',cH: 'pr6nstyD486tKW5s4A.YA2HVX_loVDbVLPx_yjyA9PU-1739311190-1.2.1.1-IV8CxcskjsC7TYnUSP.ycB2RpstIfCAZ5XUVHYtKUFZ5QMCANl0mPSvhiEsYHkPU',cUPMDTk: "\/post\/0894517362?__cf_chl_tk=ZJhgXrcfMFshXigAQ2rl0hxGBwRHf4GnL8lyPB7_K9E-1739311190-1.0.1.1-HZFFu92HzNbyFHsjC0.bDZsKhK_x8HZI6N4wZ37N2X8",cFPWv: 'g',cITimeS: '1739311190',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/0894517362?__cf_chl_f_tk=ZJhgXrcfMFshXigAQ2rl0hxGBwRHf4GnL8lyPB7_K9E-1739311190-1.0.1.1-HZFFu92HzNbyFHsjC0.bDZsKhK_x8HZI6N4wZ37N2X8",md: "tULHE6uQmYoID_CUZOAeKjYLaEk7J6dBnKJj_MyUXC8-1739311190-1.2.1.1-f3llz8n8nCPmVvIETSQMKFKRTObjyVbFxP50OyPQMNqqZJSu97f_CSv51S1Yvt6d6UNQ0iVC1A3_wTpdsEmMh6Jsss4wdKhb6xQ2prebvOSyAlT2JfWS8T5Ps8EOenQQbYSo9B8g4VSMQYa_N1SGDf.ZU9pRb3R2forV4Nk_HSiDCi.svXiD_v5sZwlVeUPCV263SoCHvE9goLbfOIhsyQ5bX_WRyXU71l9E0HbAJFmsBnTP7MBcsUqm_Pt3Tp8mdL1OpWukClFq3AqIsPl2n4yTV.pu7XUZTCvikKUXmGdXibgU03tE7D.Hq4rGS2CCu7_WW4XnpXGGhvJVpZ8m..DmOYDmIYVjKOznc.QlL4P9t.yxfe.GLHmVhgsSxq3XcD_3dnURVVljxvwaV6z1S6GP0KwpY70dxKt0D20h99nHLDDjhS0sthqmtUEVaXHYhm4YlZqFyatm9H.VwXl9bxCJYRg9x0CI6198i_vtRjcFgBSzqYIQXOoLVW.zk74AZJUEoIPJ575Cc0aFLcWVrLzxLjWprVpO8.9SqnQqIiHNgBWHe616TpeAi58H3pZFGE8n_.d5oGfHrcEIKHEMTl6.hR0724uIS7pd0vX32x1G_QRNXot01gJZGMAUOUjYwqEIcuNrQKStRTzAfpMaZ_DRrd0gdw4NCzvjW_55VKRN4ZG8YC.Ienr7apG7E.UyufqLZT8UIeUcFFyeeRuU8eu4Oeb_nxY5v3irqptzIBTo49vR3fmp6yZ.kFaGgdGjv0EjqlO6exIpjJDfouf8chTeDSVFvtmkMGvKpYBv08fQXRscz.rOlO3l2_oIFCgTWlJxdnStPJu.Vy7xzAeMsa_bxr2zL5N0jyTsk1wa68aSj_XoasH7n.JYjUzJV9k.76l2flubm.uBhR8vWBaroGuWQ2NzTTiKgTFad5bQGVaPPRlpq7N.0YhhFR3rA7Bp4uGy.b6mGvxiWWMGMNiloMdIs6VezChYL4zfU0IxuQociNYeikbhdx6mh1MmBtHcQaEGc5WM5NETQJ_c7ecTlelbMSyEednjVDZbcuBExLIHuenpvck2UQLxNkJ1y_09F.IjjE_Erd4M3klTgU1edVIsVuja294kfNzJ.9wFAHxGDcJsJf9dwiLgrThGdg7bGvSw6ioT8lltfxWR.jHw6cSmx5wkbi55KLoA3D_PWL8nza9Anj4oPc1Loqi94N6H9Uvgw5pSARrLJc6SHu5S3o__dBgOpwWMvl9K7Fp66NydHj6zid92PrUla275p1TkfBBevAWba0L_6.FMs.5Q5OKCxCAji8rlrd5hS4wt7L2ybF7QHNZKLR5HZcSovUcOJg.oOEVVuMCDSUepcUdtsdPQwQK48l_Dx37x.smgNbDmI2Pv8FUQIUDfxeW.8jd5m0QwSttyyKnJXfvmhvBRkkYoTs_hhxPKvjqEpqfjiF47N1LLFUid2ltx.MJ96jWJz5SfM30aUYfBZCLzVkOMpUAGlZSjGF4656_cEb83zm2iDWOs90sSX9GrvmN0MRCcxkAX6ntJTDZA1AUaor1upNvCQViSxvD1I34uoD4m8baY3q7w_lsPH0Md50u5wy5ZJxHzzNBYLD.SkZzDxze8e_LyyQC0Otfk316xGWccuuLWXlmqMgadtZY1RzpYjtlVGct.gysSd0jhwDMG6GArWCuXLDDWgKy.NyqpWGlAv3_K61CKcNh0AIUabt1UOPc8Csmfwy.v3YNtQDb0VWJRkhqFQuIM8bXco8kazduRaphomtbRDIQoMpFXYNQvKJZtpo2UDjmatY6gY3POF7LC5IcFsS4FeC7uqPZ3XVK6wkUIpcuWz9baEKRMVe5_LyToPAmA2FpzGd_WfSTbzYjk_vceg_Gv.MjZaz8NQrlMwe4ihCbdRwJVtLY9euyhOxZjz511ZR.hjFfUScrxYV8u3NQbtKktfHH.g.D3LJ8G2qHhUkff4nvsVv0u8ACGkOv0BGi8VEVwYdmgKkTAPIPDT00SSWGw82cr1zVwfYdt361pHjuSOI5Sg1EhmBW7877BQNeLsHGu8HYcnJhkd.EG5smrMcffrsFwQ83VOWEiMVsuoTk_ZCQq6zxmzb5l81tx349ka4WBwvO7sr6uSQfZbUbwc2HdEYvf2bWsCw58nf71zU9YDG3ibWo66F._L3DOPpGSZyyMDgKKHM9rdl_iNtm4lR.s8rs94mdtVJA0Gh6CoGkkjXGKN1jV.4OkCGWN",mdrd: "7oPFC0CT0gB9oik8Pxz8ezRTGQ9MPKAh6h7F_LlJSJ0-1739311190-1.2.1.1-FB_2DEyq1kKHwwRqV9YWSVYvOCzt_VTSAAi7Fo5sEslK1K6.3478.X7uUPUFzhVQ0LWcywyNeRH6fgcpRiDFDI.EXqiuGvy_jF7dkrdpjuuHvDfwbKrLq1ZyKv6ve7wTPL_19FWZG2B7m5cC4E_WDZkyKiTBBbMRP2_OlpEHh0WgA7O.hgjiQT1golxw_co3s4mg1OjnbYsHQLlWHKrXfXYZfEslxDe._rBSrkhLwlNQQxS8CU4RwTJmr8Vu5W19MRvOk5pcpzXeP8R5QcJIFaWd9NlvbM_ohoe4ACzpudJ58VSSpFxR4WJ1x9ykCaTYZzYEHTGxPOEh9lSiasATtQwybjEHNm7okcZ1eo3xEECzfBp7nCQ3HVifBoXzR0f.Ui.v3P55WO17qxOrbgUIdv_nWpUi8QU9LfcaTKNpKDywNoC8Q5oRUu62IkKoFSemkSgr7hnS1nXBQfsvX962Dy_COpqkuq.tby8byTc_f0edlmpnTdWmgVc06btIXF6QSIcSmozkZALsE4oQLFq_Xbi3sVr8zGIX4br3HQ0mfaQCdPX2HIoHVyfCOyGIfSQyBs.uRo4FX6jiZy75O._MTn7aX4x6Y019SqPxx4hrb4R05DR9HU2CiqyL0ojgo3fPQyf2qjNhBXrOkd37Pu_O9NMM_eQsQU8rdUpvlGPxJfJADnAGa2dBSTypmAZTL1ZrVmbmFPa8VXLMV_hsiE7MFyeEGTUwwYpXzz0756P._K6F10LIlSHJdTeMOK350tJAhnw9y6tlGRwlEjneNkt6icdcm.gwQA6DUTHe9LRYmsXPiq63gFJQkwGYaIPfF7FQDE9l7grmf.EE8a8pFVFVY5wZpdr3WjHAThxOzUbsSxfIMrK8i55W2aO53GSJMgpkKFTFuuxnGoOIZjTaxspMRbsgRQJb_eX1v4FIswqNDA6Ea_yQHsREDUK6YbhHE5dx9MiDqfnP5TZjCEUXCZlG6s2EMtr_8pejDAkNCPVuM045NRQCgCrB5bKIuZZL151KPwqkgEar3GBwwkjxciUXqugdeb.Wy8yVSKczk08YWzkz4umQEuQRlolfpoPyHB5coalfAkpxQ0x31gpDnDkUBDMHKIBKJBa4DGUSzfmwtbC0VopN75bE3vqddl2Z7arocLKv078RNCHWWokdGKLvXKvnnFuPs6OhwjmruTxTIskXfZdwsxSiTnarWr.K5hoOWnt7WzZttc350i3kZ8Xt5dINsMWkDEh2fbwOc73Qzd17YJxDWWz5nXJiqOyUzyHX.Ex4mKmQ28IIgr0OEtdRcXjDY0jx0GS3rvTqkhZ2ENYZ5lXe88_82NfcTR2SNxjw_Sqiale0J2R1NzVyjYHQzFqNr2y6vKLhGHWEKOJ5LzmRElhoSNhsZaxahAF10xZsApaL1U4Qf6COvYWWpTnfhIESK86SB1i3r6Lqcyenqg1AMomWrLxPIMBswhlr6G3ZcT9ByG6FQ2Fcc7TJB.bdVGEAaR2E2cXVMF5DFx.FmmPCQCqrsPgM3BDYwDs0QLm65mmmiIQowlelRK7_Zj5zBQfx5_uqZFxRWgGePT2wHKhOOLTu5kTfWVZZe2mig.9Hte.PtfCMn6xZuzND1Aw3jSdwRhUcclrm_fqDlYYM0WyT3O3ATDKs5nfhiLdoWhaapfRNyp5BPY0.hM7b0f.B9OGpGUj2tHvzqThB.rR25hcHtEIZfg5T7xe4WGGNk3TTqjWwJSaGtXeMlKHc0qKwmHkBL5KZnFKbwE93fqophYfhTtHO_MlnPiFs.DxSDUWH578j1fTpVoPIr2x6uiGPjNcgjx_pQD62376nve6HGauBjTTVmDgYWH8ZuxdVQUzo"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=91079bbedc14c964';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\/0894517362?__cf_chl_rt_tk=ZJhgXrcfMFshXigAQ2rl0hxGBwRHf4GnL8lyPB7_K9E-1739311190-1.0.1.1-HZFFu92HzNbyFHsjC0.bDZsKhK_x8HZI6N4wZ37N2X8" + 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