{"meta":{"dataMonth":"2026-09","source":{"traffic":"traffic.cv panel estimates, month 2026-09, 12-month history","companies":"yc-oss API mirror of the public YC directory, fetched 2026-10-22","press_and_founders":"YC public company pages via YC Mode, crawled 2026-07","brand_search":"DawnTrend brand-search collection (Google monthly search volume for the company name, bucketed), Sep 2025 to Aug 2026, collected 2026-09-30","logos":"YC public company logos"},"method":"attention minutes = monthly visits x average visit seconds / 60. mindshare = a company's attention minutes / sum over the index. change3 = visits in 2026-09 vs 2026-06. Visits are rounded to 3 significant figures."},"company":{"visitsAligned":null,"slug":"openseo","name":"OpenSEO","domain":"openseo.so","batch":"Fall 2026","year":2026,"status":"Active","industry":"B2B","category":"Marketing","tags":["Open Source","Marketing","SEO"],"stage":"Early","teamSize":2,"isHiring":false,"location":"Boston, MA, USA","oneLiner":"Open source alternative to Semrush and Ahrefs","ycUrl":"https://www.ycombinator.com/companies/openseo","logo":"/logos/openseo.png","visits":433000,"last3":[139000,264000,433000],"jun":21000,"change3":null,"changeMonth":64,"avgVisitSec":138,"bounce":39.1,"pagesPerVisit":4.66,"globalRank":91293,"attentionMin":996000,"history":[{"m":"2025-12","v":0},{"m":"2026-01","v":0},{"m":"2026-02","v":0},{"m":"2026-03","v":1370},{"m":"2026-04","v":7300},{"m":"2026-05","v":19400},{"m":"2026-06","v":21000},{"m":"2026-07","v":139000},{"m":"2026-08","v":264000},{"m":"2026-09","v":433000}],"keywords":[{"name":"openseo","volume":136050,"cpc":3.16},{"name":"open seo","volume":39400,"cpc":0.66},{"name":"openseo github","volume":15090,"cpc":0},{"name":"backlink checker","volume":293450,"cpc":0},{"name":"open seo github","volume":10630,"cpc":0}],"founders":[],"news":[],"rank":319,"mindshare":0.0031,"industryRank":158,"industryRankOf":1206,"categoryRank":14,"categoryRankOf":62,"batchRank":3,"batchRankOf":46,"percentile":87,"industryMedianVisitSec":68,"cautions":[{"k":"spike","t":"Spike","d":"Latest month is 21.4x its median of the previous six. A launch, campaign, outage or bot traffic can cause that."}],"brandedShare":41,"lens":["Ranks #158 of 1206 in B2B, ahead of 87% of its peers.","People stay 2:18 a visit, 2.0x the B2B median of 1:08. Strong engagement.","Too small or too new for a reliable 3 month trend (needs 50K visits in both June and September).","Holds 0.0031% of all attention minutes in the index.","41% of its tracked search volume is its own name."],"search":null,"peers":["dropbox","substack","prolific","meesho","supabase"],"industrySeries":[100,95.3,98.1,108.3,101.4,114.7,113.3,114.4,112.2,115.9,116.9,118.3]}}