{"slug":"mobx","name":"MobX","vendor_name":"MobX Project","is_countable":true,"categories":[{"slug":"web-engineering","label":"Web Engineering","level":0},{"slug":"javascript-libraries","label":"JavaScript Libraries","level":1},{"slug":"javascript-libraries/general-javascript-utilities","label":"General JavaScript utilities","level":2}],"adoption":{"live_companies":669370,"live_hosts":1114902,"share_of_index":"1.2%","share_of_hosts":"0.58%"},"index":{"companies":54527857,"hosts":191809695,"landing_date":"2026-09-12"},"trend":[{"month":"2021-01","live_companies":28786,"panel_companies":1962,"live_hosts":183040,"adds":6,"removals":0,"share_of_dimension":0.00026539,"share_in_subcategory":0.00182563,"suppressed":false},{"month":"2021-02","live_companies":28789,"panel_companies":1962,"live_hosts":183040,"adds":6,"removals":0,"share_of_dimension":0.00026542,"share_in_subcategory":0.00182581,"suppressed":false},{"month":"2021-03","live_companies":28791,"panel_companies":1962,"live_hosts":183040,"adds":5,"removals":0,"share_of_dimension":0.00026544,"share_in_subcategory":0.00182593,"suppressed":false},{"month":"2021-04","live_companies":28793,"panel_companies":1962,"live_hosts":183040,"adds":4,"removals":0,"share_of_dimension":0.00026546,"share_in_subcategory":0.00182606,"suppressed":false},{"month":"2021-05","live_companies":28794,"panel_companies":1962,"live_hosts":183040,"adds":4,"removals":0,"share_of_dimension":0.00026547,"share_in_subcategory":0.00182611,"suppressed":false},{"month":"2021-06","live_companies":28796,"panel_companies":1962,"live_hosts":183040,"adds":5,"removals":0,"share_of_dimension":0.00026548,"share_in_subcategory":0.00182623,"suppressed":false},{"month":"2021-07","live_companies":28798,"panel_companies":1962,"live_hosts":183042,"adds":5,"removals":0,"share_of_dimension":0.0002655,"share_in_subcategory":0.00182635,"suppressed":false},{"month":"2021-08","live_companies":28837,"panel_companies":1965,"live_hosts":183055,"adds":38,"removals":9,"share_of_dimension":0.00026586,"share_in_subcategory":0.0018286,"suppressed":false},{"month":"2021-09","live_companies":28866,"panel_companies":1967,"live_hosts":183067,"adds":38,"removals":9,"share_of_dimension":0.00026613,"share_in_subcategory":0.00183032,"suppressed":false},{"month":"2021-10","live_companies":28893,"panel_companies":1969,"live_hosts":183078,"adds":36,"removals":9,"share_of_dimension":0.00026638,"share_in_subcategory":0.00183192,"suppressed":false},{"month":"2021-11","live_companies":28924,"panel_companies":1971,"live_hosts":183094,"adds":40,"removals":11,"share_of_dimension":0.00026667,"share_in_subcategory":0.00183378,"suppressed":false},{"month":"2021-12","live_companies":28958,"panel_companies":1973,"live_hosts":183121,"adds":45,"removals":12,"share_of_dimension":0.00026698,"share_in_subcategory":0.0018358,"suppressed":false},{"month":"2022-01","live_companies":28990,"panel_companies":1975,"live_hosts":183148,"adds":45,"removals":12,"share_of_dimension":0.00026728,"share_in_subcategory":0.00183772,"suppressed":false},{"month":"2022-02","live_companies":29022,"panel_companies":1978,"live_hosts":183174,"adds":44,"removals":12,"share_of_dimension":0.00026758,"share_in_subcategory":0.00183964,"suppressed":false},{"month":"2022-03","live_companies":29054,"panel_companies":1980,"live_hosts":183206,"adds":44,"removals":12,"share_of_dimension":0.00026787,"share_in_subcategory":0.00184154,"suppressed":false},{"month":"2022-04","live_companies":29085,"panel_companies":1982,"live_hosts":183237,"adds":44,"removals":12,"share_of_dimension":0.00026816,"share_in_subcategory":0.00184338,"suppressed":false},{"month":"2022-05","live_companies":29117,"panel_companies":1984,"live_hosts":183269,"adds":44,"removals":12,"share_of_dimension":0.00026846,"share_in_subcategory":0.00184529,"suppressed":false},{"month":"2022-06","live_companies":29151,"panel_companies":1986,"live_hosts":183301,"adds":46,"removals":14,"share_of_dimension":0.00026877,"share_in_subcategory":0.00184732,"suppressed":false},{"month":"2022-07","live_companies":29182,"panel_companies":1989,"live_hosts":183333,"adds":45,"removals":14,"share_of_dimension":0.00026906,"share_in_subcategory":0.00184916,"suppressed":false},{"month":"2022-08","live_companies":29214,"panel_companies":1991,"live_hosts":183363,"adds":45,"removals":14,"share_of_dimension":0.00026935,"share_in_subcategory":0.00185107,"suppressed":false},{"month":"2022-09","live_companies":29225,"panel_companies":1991,"live_hosts":183439,"adds":25,"removals":7,"share_of_dimension":0.00026946,"share_in_subcategory":0.00185181,"suppressed":false},{"month":"2022-10","live_companies":29243,"panel_companies":1993,"live_hosts":183508,"adds":25,"removals":7,"share_of_dimension":0.00026962,"share_in_subcategory":0.00185293,"suppressed":false},{"month":"2022-11","live_companies":29261,"panel_companies":1994,"live_hosts":183578,"adds":25,"removals":7,"share_of_dimension":0.00026979,"share_in_subcategory":0.00185403,"suppressed":false},{"month":"2022-12","live_companies":29276,"panel_companies":1995,"live_hosts":183647,"adds":21,"removals":5,"share_of_dimension":0.00026993,"share_in_subcategory":0.00185494,"suppressed":false},{"month":"2023-01","live_companies":29288,"panel_companies":1996,"live_hosts":183711,"adds":17,"removals":3,"share_of_dimension":0.00027004,"share_in_subcategory":0.00185569,"suppressed":false},{"month":"2023-02","live_companies":29302,"panel_companies":1997,"live_hosts":183776,"adds":17,"removals":3,"share_of_dimension":0.00027017,"share_in_subcategory":0.00185654,"suppressed":false},{"month":"2023-03","live_companies":29318,"panel_companies":1998,"live_hosts":183845,"adds":19,"removals":3,"share_of_dimension":0.00027032,"share_in_subcategory":0.00185751,"suppressed":false},{"month":"2023-04","live_companies":92668,"panel_companies":6315,"live_hosts":280809,"adds":63354,"removals":13896,"share_of_dimension":0.0008526,"share_in_subcategory":0.00554365,"suppressed":false},{"month":"2023-05","live_companies":142126,"panel_companies":9685,"live_hosts":355921,"adds":63354,"removals":13896,"share_of_dimension":0.00130576,"share_in_subcategory":0.00820239,"suppressed":false},{"month":"2023-06","live_companies":191584,"panel_companies":13055,"live_hosts":431032,"adds":63354,"removals":13896,"share_of_dimension":0.00175761,"share_in_subcategory":0.01067993,"suppressed":false},{"month":"2023-07","live_companies":241039,"panel_companies":16425,"live_hosts":506142,"adds":63352,"removals":13895,"share_of_dimension":0.00220814,"share_in_subcategory":0.01299407,"suppressed":false},{"month":"2023-08","live_companies":290496,"panel_companies":19795,"live_hosts":581253,"adds":63352,"removals":13895,"share_of_dimension":0.00265739,"share_in_subcategory":0.01516065,"suppressed":false},{"month":"2023-09","live_companies":339952,"panel_companies":23165,"live_hosts":656364,"adds":63352,"removals":13895,"share_of_dimension":0.00310535,"share_in_subcategory":0.01719322,"suppressed":false},{"month":"2023-10","live_companies":389395,"panel_companies":26534,"live_hosts":731418,"adds":63338,"removals":13893,"share_of_dimension":0.00355191,"share_in_subcategory":0.01910355,"suppressed":false},{"month":"2023-11","live_companies":438841,"panel_companies":29904,"live_hosts":806479,"adds":63338,"removals":13893,"share_of_dimension":0.00399721,"share_in_subcategory":0.02090266,"suppressed":false},{"month":"2023-12","live_companies":488286,"panel_companies":33273,"live_hosts":881541,"adds":63338,"removals":13893,"share_of_dimension":0.00444124,"share_in_subcategory":0.02259994,"suppressed":false},{"month":"2024-01","live_companies":537731,"panel_companies":36642,"live_hosts":956599,"adds":63338,"removals":13893,"share_of_dimension":0.004884,"share_in_subcategory":0.02420386,"suppressed":false},{"month":"2024-02","live_companies":587181,"panel_companies":40012,"live_hosts":1031653,"adds":63343,"removals":13894,"share_of_dimension":0.00532555,"share_in_subcategory":0.02572171,"suppressed":false},{"month":"2024-03","live_companies":665989,"panel_companies":45382,"live_hosts":1143800,"adds":92702,"removals":17883,"share_of_dimension":0.00602531,"share_in_subcategory":0.02791531,"suppressed":false},{"month":"2024-04","live_companies":740806,"panel_companies":50480,"live_hosts":1250134,"adds":92700,"removals":17883,"share_of_dimension":0.00668646,"share_in_subcategory":0.02984579,"suppressed":false},{"month":"2024-05","live_companies":752288,"panel_companies":51262,"live_hosts":1259568,"adds":29365,"removals":3991,"share_of_dimension":0.0067883,"share_in_subcategory":0.03027023,"suppressed":false},{"month":"2024-06","live_companies":777914,"panel_companies":53009,"live_hosts":1291298,"adds":29617,"removals":4033,"share_of_dimension":0.00701286,"share_in_subcategory":0.03085715,"suppressed":false},{"month":"2024-07","live_companies":803497,"panel_companies":54752,"live_hosts":1322938,"adds":29617,"removals":4033,"share_of_dimension":0.00723663,"share_in_subcategory":0.03142695,"suppressed":false},{"month":"2024-08","live_companies":829908,"panel_companies":56552,"live_hosts":1355614,"adds":30444,"removals":4145,"share_of_dimension":0.00746685,"share_in_subcategory":0.03198587,"suppressed":false},{"month":"2024-09","live_companies":871603,"panel_companies":59393,"live_hosts":1408115,"adds":45840,"removals":7413,"share_of_dimension":0.00782333,"share_in_subcategory":0.032647,"suppressed":false},{"month":"2024-10","live_companies":924698,"panel_companies":63011,"live_hosts":1473849,"adds":60508,"removals":14987,"share_of_dimension":0.00827801,"share_in_subcategory":0.03301766,"suppressed":false},{"month":"2024-11","live_companies":978350,"panel_companies":66667,"live_hosts":1535034,"adds":68639,"removals":17410,"share_of_dimension":0.00873252,"share_in_subcategory":0.0331373,"suppressed":false},{"month":"2024-12","live_companies":1029596,"panel_companies":70159,"live_hosts":1593211,"adds":68656,"removals":17430,"share_of_dimension":0.00916309,"share_in_subcategory":0.03320895,"suppressed":false},{"month":"2025-01","live_companies":1091990,"panel_companies":74411,"live_hosts":1664820,"adds":79824,"removals":28972,"share_of_dimension":0.00968758,"share_in_subcategory":0.03339173,"suppressed":false},{"month":"2025-02","live_companies":1142842,"panel_companies":77876,"live_hosts":1721744,"adds":79824,"removals":28972,"share_of_dimension":0.01010684,"share_in_subcategory":0.03332412,"suppressed":false},{"month":"2025-03","live_companies":1193689,"panel_companies":81340,"live_hosts":1778665,"adds":79818,"removals":28971,"share_of_dimension":0.01052344,"share_in_subcategory":0.03326276,"suppressed":false},{"month":"2025-04","live_companies":1219502,"panel_companies":83099,"live_hosts":1803610,"adds":54785,"removals":69627,"share_of_dimension":0.01072815,"share_in_subcategory":0.03284703,"suppressed":false},{"month":"2025-05","live_companies":1204660,"panel_companies":82088,"live_hosts":1780155,"adds":54785,"removals":69627,"share_of_dimension":0.01057393,"share_in_subcategory":0.03143846,"suppressed":false},{"month":"2025-06","live_companies":1191763,"panel_companies":81209,"live_hosts":1759091,"adds":56730,"removals":75565,"share_of_dimension":0.01043693,"share_in_subcategory":0.03009348,"suppressed":false},{"month":"2025-07","live_companies":1172985,"panel_companies":79930,"live_hosts":1730900,"adds":56787,"removals":77829,"share_of_dimension":0.01024942,"share_in_subcategory":0.02872138,"suppressed":false},{"month":"2025-08","live_companies":1153139,"panel_companies":78577,"live_hosts":1701540,"adds":57983,"removals":85790,"share_of_dimension":0.01005322,"share_in_subcategory":0.02740053,"suppressed":false},{"month":"2025-09","live_companies":1124514,"panel_companies":76627,"live_hosts":1661650,"adds":57166,"removals":85709,"share_of_dimension":0.0097862,"share_in_subcategory":0.02621703,"suppressed":false},{"month":"2025-10","live_companies":1080575,"panel_companies":73633,"live_hosts":1601897,"adds":41770,"removals":82441,"share_of_dimension":0.0093995,"share_in_subcategory":0.02494106,"suppressed":false},{"month":"2025-11","live_companies":1025236,"panel_companies":69862,"live_hosts":1528912,"adds":27102,"removals":74867,"share_of_dimension":0.00891631,"share_in_subcategory":0.0237317,"suppressed":false},{"month":"2025-12","live_companies":969340,"panel_companies":66053,"live_hosts":1460476,"adds":18971,"removals":72444,"share_of_dimension":0.00843107,"share_in_subcategory":0.02261247,"suppressed":false},{"month":"2026-01","live_companies":916097,"panel_companies":62425,"live_hosts":1395589,"adds":19201,"removals":73077,"share_of_dimension":0.00796844,"share_in_subcategory":0.02151423,"suppressed":false},{"month":"2026-02","live_companies":857552,"panel_companies":58435,"live_hosts":1328006,"adds":14532,"removals":61854,"share_of_dimension":0.00745401,"share_in_subcategory":0.02027189,"suppressed":false},{"month":"2026-03","live_companies":812287,"panel_companies":55351,"live_hosts":1278261,"adds":16589,"removals":61908,"share_of_dimension":0.00705144,"share_in_subcategory":0.01924678,"suppressed":false},{"month":"2026-04","live_companies":768874,"panel_companies":52393,"live_hosts":1226457,"adds":17971,"removals":67067,"share_of_dimension":0.00667421,"share_in_subcategory":0.01829852,"suppressed":false},{"month":"2026-05","live_companies":712455,"panel_companies":48548,"live_hosts":1159186,"adds":14492,"removals":20401,"share_of_dimension":0.00618431,"share_in_subcategory":0.01707651,"suppressed":false},{"month":"2026-06","live_companies":702792,"panel_companies":47890,"live_hosts":1148933,"adds":15942,"removals":22441,"share_of_dimension":0.00610011,"share_in_subcategory":0.01692923,"suppressed":false},{"month":"2026-07","live_companies":688171,"panel_companies":46893,"live_hosts":1132949,"adds":14903,"removals":16358,"share_of_dimension":0.00597324,"share_in_subcategory":0.01673338,"suppressed":false},{"month":"2026-08","live_companies":679042,"panel_companies":46271,"live_hosts":1123829,"adds":16264,"removals":14653,"share_of_dimension":0.00589399,"share_in_subcategory":0.01668122,"suppressed":false},{"month":"2026-09","live_companies":669370,"panel_companies":45612,"live_hosts":1114444,"adds":16367,"removals":1962,"share_of_dimension":0.00581025,"share_in_subcategory":0.01666821,"suppressed":false}],"profile":{"tech_id":"vt_thltll7sz3","name":"MobX","slug":"mobx","detection_name":"mobx","aliases":[],"status":"active","merged_into":null,"in_taxonomy":true,"kind":"library","is_countable":true,"ai_flag":false,"categories":[{"slug":"web-engineering","label":"Web Engineering","level":0},{"slug":"javascript-libraries","label":"JavaScript Libraries","level":1},{"slug":"javascript-libraries/general-javascript-utilities","label":"General JavaScript utilities","level":2}],"parent_tech_id":null,"platform_tech_id":null,"vendor":{"org_id":null,"name":"MobX Project","domain":"mobx.js.org"},"description_short":"An open-source JavaScript state management library for managing observable application state.","description_long":"MobX enables reactive state management in JavaScript and TypeScript applications using observables and reactions. It is maintained by the open-source community and used by frontend developers to structure app state.","pricing_model":["free"],"is_paid":"no","price_band":"none","deployment":"self_hosted","is_open_source":true,"relationship_type":null,"confidence":0.95,"evidence_channels":["wappalyzer"],"edges":{"implies":[],"requires":[],"excludes":[]},"adoption":{"scope":"sample","sample_multiplier":1,"live_companies":669370,"live_hosts":1114902,"all_hosts":1689988,"live_companies_estimate":669370,"live_hosts_estimate":1114902,"first_discovered":"2019-10-24","last_discovered":"2026-09-10","trend":"declining","adds_12m":179884,"removals_12m":662983,"panel":{"anchor":"2020-12-31","companies":45612,"scale_factor":14.675212818601503,"sufficient":true},"share_in_subcategory":0.0366,"by_country":[{"value":"us","companies":227273},{"value":"br","companies":65371},{"value":"mx","companies":52322},{"value":"gb","companies":50739},{"value":"de","companies":42773},{"value":"in","companies":38711},{"value":"es","companies":22923},{"value":"fr","companies":17013},{"value":"au","companies":13264},{"value":"ca","companies":13113}],"by_naics2":[{"value":"54","companies":86920,"label":"Professional, Scientific, and Technical Services"},{"value":"45","companies":80177,"label":"Retail Trade"},{"value":"81","companies":66630,"label":"Other Services (except Public Administration)"},{"value":"23","companies":54583,"label":"Construction"},{"value":"62","companies":50363,"label":"Health Care and Social Assistance"},{"value":"56","companies":45739,"label":"Administrative and Support and Waste Management and Remediation Services"},{"value":"61","companies":38841,"label":"Educational Services"},{"value":"72","companies":36005,"label":"Accommodation and Food Services"},{"value":"44","companies":29550,"label":"Retail Trade"},{"value":"71","companies":26956,"label":"Arts, Entertainment, and Recreation"}],"by_employee_band":[{"value":"1-10","companies":592008},{"value":"10-100","companies":59391},{"value":"100-1000","companies":2322},{"value":"1000+","companies":206}],"by_revenue_band":[{"value":"under_1m","companies":534655},{"value":"1m_10m","companies":108444},{"value":"10m_100m","companies":6833},{"value":"100m_1b","companies":602},{"value":"1b_plus","companies":43}]},"trend_12m":[{"month":"2025-10","live_companies":832468,"panel_companies":56726,"live_hosts":null,"adds":14459,"removals":113066,"share_of_dimension":0.0072367,"share_in_subcategory":null,"suppressed":false},{"month":"2025-11","live_companies":808784,"panel_companies":55112,"live_hosts":null,"adds":12652,"removals":98933,"share_of_dimension":0.0070339,"share_in_subcategory":null,"suppressed":false},{"month":"2025-12","live_companies":790363,"panel_companies":53857,"live_hosts":null,"adds":11246,"removals":87940,"share_of_dimension":0.00687604,"share_in_subcategory":null,"suppressed":false},{"month":"2026-01","live_companies":775947,"panel_companies":52875,"live_hosts":null,"adds":10443,"removals":79995,"share_of_dimension":0.0067522,"share_in_subcategory":null,"suppressed":false},{"month":"2026-02","live_companies":771062,"panel_companies":52542,"live_hosts":null,"adds":17174,"removals":73100,"share_of_dimension":0.00670298,"share_in_subcategory":null,"suppressed":false},{"month":"2026-03","live_companies":768874,"panel_companies":52393,"live_hosts":null,"adds":17971,"removals":67067,"share_of_dimension":0.00667421,"share_in_subcategory":null,"suppressed":false},{"month":"2026-04","live_companies":768874,"panel_companies":52393,"live_hosts":null,"adds":17971,"removals":67067,"share_of_dimension":0.00667421,"share_in_subcategory":null,"suppressed":false},{"month":"2026-05","live_companies":712455,"panel_companies":48548,"live_hosts":null,"adds":14492,"removals":20401,"share_of_dimension":0.00618431,"share_in_subcategory":null,"suppressed":false},{"month":"2026-06","live_companies":702792,"panel_companies":47890,"live_hosts":null,"adds":15942,"removals":22441,"share_of_dimension":0.00610011,"share_in_subcategory":null,"suppressed":false},{"month":"2026-07","live_companies":688171,"panel_companies":46893,"live_hosts":null,"adds":14903,"removals":16358,"share_of_dimension":0.00597324,"share_in_subcategory":null,"suppressed":false},{"month":"2026-08","live_companies":679042,"panel_companies":46271,"live_hosts":null,"adds":16264,"removals":14653,"share_of_dimension":0.00589399,"share_in_subcategory":null,"suppressed":false},{"month":"2026-09","live_companies":669370,"panel_companies":45612,"live_hosts":null,"adds":16367,"removals":1962,"share_of_dimension":0.00581025,"share_in_subcategory":null,"suppressed":false}],"competitors":[{"tech_id":"vt_akzskyyafw","name":"Lodash","slug":"lodash","live_companies":8182059},{"tech_id":"vt_khyqciyk7q","name":"Nunjucks","slug":"nunjucks","live_companies":4245833},{"tech_id":"vt_gw73cj4d3s","name":"LazySizes","slug":"lazysizes","live_companies":2085530},{"tech_id":"vt_tysmalgyxq","name":"YUI","slug":"yui","live_companies":1971294},{"tech_id":"vt_w5uqcy6d7b","name":"Yahoo User Interface","slug":"yahoo-user-interface","live_companies":1942036},{"tech_id":"vt_x6utqiqief","name":"lit-html","slug":"lit-html","live_companies":1812309},{"tech_id":"vt_ftuuxer2fn","name":"Moment.js","slug":"moment-js","live_companies":1033313},{"tech_id":"vt_xblymbpsdo","name":"Mustache","slug":"mustache","live_companies":739257}],"subcategory":{"slug":"javascript-libraries/general-javascript-utilities","label":"General JavaScript utilities","technologies_total":87,"rank":9,"companies_with_any":18294596,"companies_with_any_est":18294596,"detections_sample":28032213,"technologies":[{"tech_id":"vt_akzskyyafw","name":"Lodash","slug":"lodash","vendor_name":"Lodash","rank":1,"companies_sample":8182059,"companies_est":8182059,"share_of_category":0.2919,"share_of_companies":0.4472,"suppressed_share":false},{"tech_id":"vt_khyqciyk7q","name":"Nunjucks","slug":"nunjucks","vendor_name":"Mozilla","rank":2,"companies_sample":4245833,"companies_est":4245833,"share_of_category":0.1515,"share_of_companies":0.2321,"suppressed_share":false},{"tech_id":"vt_gw73cj4d3s","name":"LazySizes","slug":"lazysizes","vendor_name":"Alexander Farkas","rank":3,"companies_sample":2085530,"companies_est":2085530,"share_of_category":0.0744,"share_of_companies":0.114,"suppressed_share":false},{"tech_id":"vt_tysmalgyxq","name":"YUI","slug":"yui","vendor_name":"Yahoo","rank":4,"companies_sample":1971294,"companies_est":1971294,"share_of_category":0.0703,"share_of_companies":0.1078,"suppressed_share":false},{"tech_id":"vt_w5uqcy6d7b","name":"Yahoo User Interface","slug":"yahoo-user-interface","vendor_name":"Yahoo Inc.","rank":5,"companies_sample":1942036,"companies_est":1942036,"share_of_category":0.0693,"share_of_companies":0.1062,"suppressed_share":false},{"tech_id":"vt_x6utqiqief","name":"lit-html","slug":"lit-html","vendor_name":"Lit project","rank":6,"companies_sample":1812309,"companies_est":1812309,"share_of_category":0.0647,"share_of_companies":0.0991,"suppressed_share":false},{"tech_id":"vt_ftuuxer2fn","name":"Moment.js","slug":"moment-js","vendor_name":"Moment.js Project","rank":7,"companies_sample":1033313,"companies_est":1033313,"share_of_category":0.0369,"share_of_companies":0.0565,"suppressed_share":false},{"tech_id":"vt_xblymbpsdo","name":"Mustache","slug":"mustache","vendor_name":"Mustache project","rank":8,"companies_sample":739257,"companies_est":739257,"share_of_category":0.0264,"share_of_companies":0.0404,"suppressed_share":false},{"tech_id":"vt_thltll7sz3","name":"MobX","slug":"mobx","vendor_name":"MobX Project","rank":9,"companies_sample":669370,"companies_est":669370,"share_of_category":0.0239,"share_of_companies":0.0366,"suppressed_share":false},{"tech_id":"vt_td4bwpxf7l","name":"jQuery Throttle Debounce","slug":"jquery-throttle-debounce","vendor_name":"Ben Alman","rank":10,"companies_sample":551565,"companies_est":551565,"share_of_category":0.0197,"share_of_companies":0.0301,"suppressed_share":false},{"tech_id":"vt_c4yx3m4kti","name":"Lazy Load","slug":"lazy-load","vendor_name":"Mika Tuupola","rank":11,"companies_sample":399635,"companies_est":399635,"share_of_category":0.0143,"share_of_companies":0.0218,"suppressed_share":false},{"tech_id":"vt_v4fb2nvlr4","name":"Underscore.js","slug":"underscore-js","vendor_name":"Underscore.js Project","rank":12,"companies_sample":388673,"companies_est":388673,"share_of_category":0.0139,"share_of_companies":0.0212,"suppressed_share":false},{"tech_id":"vt_vtl6qezqrp","name":"punycode","slug":"punycode","vendor_name":"Mathias Bynens","rank":13,"companies_sample":327894,"companies_est":327894,"share_of_category":0.0117,"share_of_companies":0.0179,"suppressed_share":false},{"tech_id":"vt_mnjsnxcflo","name":"Axios","slug":"axios","vendor_name":"Axios","rank":14,"companies_sample":303872,"companies_est":303872,"share_of_category":0.0108,"share_of_companies":0.0166,"suppressed_share":false},{"tech_id":"vt_f5tl2wj4rk","name":"Prototype","slug":"prototype","vendor_name":"Prototype.js Project","rank":15,"companies_sample":301100,"companies_est":301100,"share_of_category":0.0107,"share_of_companies":0.0165,"suppressed_share":false},{"tech_id":"vt_vh2vqbnjx7","name":"Typed.js","slug":"typed-js","vendor_name":"Matt Boldt","rank":16,"companies_sample":269270,"companies_est":269270,"share_of_category":0.0096,"share_of_companies":0.0147,"suppressed_share":false},{"tech_id":"vt_mrxjpus7ck","name":"Infinite Scroll","slug":"infinite-scroll","vendor_name":"Metafizzy","rank":17,"companies_sample":257050,"companies_est":257050,"share_of_category":0.0092,"share_of_companies":0.0141,"suppressed_share":false},{"tech_id":"vt_6ffaoqbo7d","name":"MooTools","slug":"mootools","vendor_name":"MooTools Project","rank":18,"companies_sample":225215,"companies_est":225215,"share_of_category":0.008,"share_of_companies":0.0123,"suppressed_share":false},{"tech_id":"vt_3srkbi7vqp","name":"Handlebars","slug":"handlebars","vendor_name":"Handlebars.js project","rank":19,"companies_sample":220734,"companies_est":220734,"share_of_category":0.0079,"share_of_companies":0.0121,"suppressed_share":false},{"tech_id":"vt_zuuygifqsh","name":"Closure Library","slug":"closure-library","vendor_name":"Google","rank":20,"companies_sample":198514,"companies_est":198514,"share_of_category":0.0071,"share_of_companies":0.0109,"suppressed_share":false},{"tech_id":"vt_4mtipmlsl4","name":"Zone.js","slug":"zone-js","vendor_name":"Angular","rank":21,"companies_sample":168097,"companies_est":168097,"share_of_category":0.006,"share_of_companies":0.0092,"suppressed_share":false},{"tech_id":"vt_tswsu5rybr","name":"Chosen","slug":"chosen","vendor_name":"Harvest","rank":22,"companies_sample":167976,"companies_est":167976,"share_of_category":0.006,"share_of_companies":0.0092,"suppressed_share":false},{"tech_id":"vt_z54qulllkv","name":"URI.js","slug":"uri-js","vendor_name":"Medialize","rank":23,"companies_sample":139533,"companies_est":139533,"share_of_category":0.005,"share_of_companies":0.0076,"suppressed_share":false},{"tech_id":"vt_doekbpmfmw","name":"Layzr.js","slug":"layzr-js","vendor_name":"callmecavs","rank":24,"companies_sample":121597,"companies_est":121597,"share_of_category":0.0043,"share_of_companies":0.0066,"suppressed_share":false},{"tech_id":"vt_gogw6hjh4i","name":"web-vitals","slug":"web-vitals","vendor_name":"Google","rank":25,"companies_sample":107342,"companies_est":107342,"share_of_category":0.0038,"share_of_companies":0.0059,"suppressed_share":false}],"note":"The subcategory ranking is read from the catalog counts, not from the category page: share_of_category is the technology over the sum of the subcategory counts, share_of_companies is the technology over the companies running anything in the subcategory. It carries no 12 month change; GET /v1/trends/categories/{l1}/{l2} has that."},"category":{"slug":"javascript-libraries","label":"JavaScript Libraries","technologies_total":416,"companies_with_any":40118208,"companies_with_any_est":40118208},"meta":{"verified_at":"2026-09-10T00:00:00.000Z","freshness":"fresh","taxonomy_release":"tax-2026.10","request_id":"e8b8c494-1812-4d2a-8cc6-b763ce0737f8","scope":"universe","sample_multiplier":1,"history_claim":"verified since 2020","attribution":"Data by Veridion","credits_spent":0}},"figure":{"id":"companies.mobx","value":669370,"unit":"companies run MobX","denominator":"54,527,857 companies in the index (1.2%)","date":"12 Sept 2026","dateLabel":"landing","method":"companies-live"},"canonical":"https://stacklookup.ai/tech/mobx"}