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eventsource

npm · v5.1.3 · MIT

WhatWG/W3C compliant EventSource client for Node.js and browsers

Not filed under any category yet: no assignment reached confidence 0.5.

Install

npm install eventsource

Adoption

Downloads (30 days)
251.5M
Observeddownloads / 30 days
Popularity
Top 10% on npm
Derived97th percentile within npm
Dependents
1.6K
Observedpackages that depend on it
Maintenance
0.75
DerivedRelease cadence and recency, 0 to 1
Releases per year
3.6
53 versions over its life

Growth by period

Derived by Crest of Tech from two observations of npm’s own figure, a period apart. Nothing is stored or estimated: without an observation near the period’s start, the period is still collecting.

7 days
Collectinghistory
Collecting
30 days
+7.8% · 30d
Derived+18.2M downloads / 30 days, SEP 24 → OCT 24
90 days
+40.8% · 90d
Derived+72.9M downloads / 30 days, JUL 26 → OCT 24
1 year
+386.9% · 1y
Derived+199.8M downloads / 30 days, NOV 3 → OCT 24

Adoption historydownloads / 30 days · 111 observations

NOV 3, 2025: 51,640,052 downloads / 30 daysNOV 10, 2025: 52,648,633 downloads / 30 daysNOV 17, 2025: 53,303,756 downloads / 30 daysNOV 24, 2025: 53,921,179 downloads / 30 daysDEC 1, 2025: 56,136,227 downloads / 30 daysDEC 8, 2025: 58,825,702 downloads / 30 daysDEC 15, 2025: 60,379,526 downloads / 30 daysDEC 22, 2025: 59,512,679 downloads / 30 daysDEC 29, 2025: 53,623,629 downloads / 30 daysJAN 5, 2026: 47,406,889 downloads / 30 daysJAN 12, 2026: 46,831,733 downloads / 30 daysJAN 19, 2026: 48,540,910 downloads / 30 daysJAN 26, 2026: 56,714,824 downloads / 30 daysFEB 2, 2026: 66,204,152 downloads / 30 daysFEB 9, 2026: 70,634,152 downloads / 30 daysFEB 16, 2026: 74,016,742 downloads / 30 daysFEB 23, 2026: 77,728,261 downloads / 30 daysMAR 2, 2026: 82,410,132 downloads / 30 daysMAR 9, 2026: 88,507,276 downloads / 30 daysMAR 16, 2026: 95,595,860 downloads / 30 daysMAR 23, 2026: 103,945,959 downloads / 30 daysMAR 30, 2026: 110,516,077 downloads / 30 daysAPR 6, 2026: 113,372,562 downloads / 30 daysAPR 13, 2026: 117,676,393 downloads / 30 daysAPR 20, 2026: 120,981,549 downloads / 30 daysAPR 27, 2026: 125,552,461 downloads / 30 daysMAY 4, 2026: 130,432,160 downloads / 30 daysMAY 11, 2026: 136,339,319 downloads / 30 daysMAY 18, 2026: 141,620,677 downloads / 30 daysMAY 25, 2026: 145,271,228 downloads / 30 daysJUN 1, 2026: 149,021,769 downloads / 30 daysJUN 8, 2026: 146,977,716 downloads / 30 daysJUN 15, 2026: 151,446,352 downloads / 30 daysJUN 22, 2026: 155,550,790 downloads / 30 daysJUN 29, 2026: 159,818,819 downloads / 30 daysJUL 6, 2026: 167,841,658 downloads / 30 daysJUL 13, 2026: 169,451,973 downloads / 30 daysJUL 20, 2026: 175,547,509 downloads / 30 daysJUL 26, 2026: 178,531,109 downloads / 30 daysJUL 27, 2026: 183,592,150 downloads / 30 daysJUL 28, 2026: 189,253,260 downloads / 30 daysJUL 29, 2026: 190,996,171 downloads / 30 daysJUL 30, 2026: 192,698,246 downloads / 30 daysJUL 31, 2026: 193,488,731 downloads / 30 daysAUG 1, 2026: 190,637,527 downloads / 30 daysAUG 2, 2026: 189,197,740 downloads / 30 daysAUG 3, 2026: 194,558,642 downloads / 30 daysAUG 4, 2026: 200,587,921 downloads / 30 daysAUG 5, 2026: 202,794,596 downloads / 30 daysAUG 6, 2026: 202,540,092 downloads / 30 daysAUG 7, 2026: 203,248,111 downloads / 30 daysAUG 8, 2026: 200,119,886 downloads / 30 daysAUG 9, 2026: 197,526,133 downloads / 30 daysAUG 10, 2026: 202,502,056 downloads / 30 daysAUG 11, 2026: 211,595,513 downloads / 30 daysAUG 12, 2026: 213,054,527 downloads / 30 daysAUG 13, 2026: 214,238,188 downloads / 30 daysAUG 14, 2026: 206,418,393 downloads / 30 daysAUG 15, 2026: 203,093,267 downloads / 30 daysAUG 16, 2026: 200,297,584 downloads / 30 daysAUG 17, 2026: 204,567,522 downloads / 30 daysAUG 18, 2026: 210,201,453 downloads / 30 daysAUG 19, 2026: 212,063,690 downloads / 30 daysAUG 20, 2026: 212,848,857 downloads / 30 daysAUG 21, 2026: 212,892,605 downloads / 30 daysAUG 22, 2026: 209,187,783 downloads / 30 daysAUG 23, 2026: 206,349,351 downloads / 30 daysAUG 24, 2026: 211,634,222 downloads / 30 daysAUG 25, 2026: 217,560,820 downloads / 30 daysAUG 26, 2026: 219,095,127 downloads / 30 daysAUG 27, 2026: 220,080,770 downloads / 30 daysAUG 28, 2026: 220,345,793 downloads / 30 daysAUG 29, 2026: 216,408,659 downloads / 30 daysAUG 30, 2026: 213,575,242 downloads / 30 daysAUG 31, 2026: 218,652,890 downloads / 30 daysSEP 1, 2026: 225,028,582 downloads / 30 daysSEP 2, 2026: 227,561,831 downloads / 30 daysSEP 3, 2026: 218,486,346 downloads / 30 daysSEP 4, 2026: 219,171,653 downloads / 30 daysSEP 5, 2026: 217,452,798 downloads / 30 daysSEP 6, 2026: 214,504,553 downloads / 30 daysSEP 7, 2026: 210,265,618 downloads / 30 daysSEP 8, 2026: 205,941,928 downloads / 30 daysSEP 9, 2026: 208,361,727 downloads / 30 daysSEP 10, 2026: 210,279,576 downloads / 30 daysSEP 11, 2026: 211,156,659 downloads / 30 daysSEP 12, 2026: 207,221,542 downloads / 30 daysSEP 13, 2026: 212,423,294 downloads / 30 daysSEP 14, 2026: 218,683,237 downloads / 30 daysSEP 15, 2026: 214,317,749 downloads / 30 daysSEP 16, 2026: 217,106,831 downloads / 30 daysSEP 17, 2026: 218,609,313 downloads / 30 daysSEP 18, 2026: 219,494,071 downloads / 30 daysSEP 19, 2026: 216,192,961 downloads / 30 daysSEP 20, 2026: 214,294,120 downloads / 30 daysSEP 21, 2026: 220,957,090 downloads / 30 daysSEP 22, 2026: 227,960,323 downloads / 30 daysSEP 23, 2026: 230,998,143 downloads / 30 daysSEP 24, 2026: 233,224,217 downloads / 30 daysSEP 25, 2026: 234,536,699 downloads / 30 daysSEP 26, 2026: 231,001,377 downloads / 30 daysSEP 27, 2026: 228,729,151 downloads / 30 daysSEP 28, 2026: 236,909,111 downloads / 30 daysSEP 29, 2026: 245,465,314 downloads / 30 daysSEP 30, 2026: 249,313,321 downloads / 30 daysOCT 1, 2026: 252,259,913 downloads / 30 daysOCT 2, 2026: 253,355,957 downloads / 30 daysOCT 3, 2026: 260,355,627 downloads / 30 daysOCT 4, 2026: 257,559,714 downloads / 30 daysOCT 5, 2026: 257,559,714 downloads / 30 daysOCT 24, 2026: 251,454,510 downloads / 30 days
Table of observations (112)
Daydownloads / 30 daysDependents
OCT 24, 2026251,454,5101,649
OCT 5, 2026257,559,714Not observed
OCT 4, 2026257,559,714Not observed
OCT 3, 2026260,355,627Not observed
OCT 2, 2026253,355,957Not observed
OCT 1, 2026252,259,913Not observed
SEP 30, 2026249,313,321Not observed
SEP 29, 2026245,465,314Not observed
SEP 28, 2026236,909,111Not observed
SEP 27, 2026228,729,151Not observed
SEP 26, 2026231,001,377Not observed
SEP 25, 2026234,536,699Not observed
SEP 24, 2026233,224,217Not observed
SEP 23, 2026230,998,143Not observed
SEP 22, 2026227,960,323Not observed
SEP 21, 2026220,957,090Not observed
SEP 20, 2026214,294,120Not observed
SEP 19, 2026216,192,961Not observed
SEP 18, 2026219,494,071Not observed
SEP 17, 2026218,609,313Not observed
SEP 16, 2026217,106,831Not observed
SEP 15, 2026214,317,749Not observed
SEP 14, 2026218,683,237Not observed
SEP 13, 2026212,423,294Not observed
SEP 12, 2026207,221,542Not observed
SEP 11, 2026211,156,659Not observed
SEP 10, 2026210,279,576Not observed
SEP 9, 2026208,361,727Not observed
SEP 8, 2026205,941,928Not observed
SEP 7, 2026210,265,618Not observed
SEP 6, 2026214,504,553Not observed
SEP 5, 2026217,452,798Not observed
SEP 4, 2026219,171,653Not observed
SEP 3, 2026218,486,346Not observed
SEP 2, 2026227,561,831Not observed
SEP 1, 2026225,028,582Not observed
AUG 31, 2026218,652,890Not observed
AUG 30, 2026213,575,242Not observed
AUG 29, 2026216,408,659Not observed
AUG 28, 2026220,345,793Not observed
AUG 27, 2026220,080,770Not observed
AUG 26, 2026219,095,127Not observed
AUG 25, 2026217,560,820Not observed
AUG 24, 2026211,634,222Not observed
AUG 23, 2026206,349,351Not observed
AUG 22, 2026209,187,783Not observed
AUG 21, 2026212,892,605Not observed
AUG 20, 2026212,848,857Not observed
AUG 19, 2026212,063,690Not observed
AUG 18, 2026210,201,453Not observed
AUG 17, 2026204,567,522Not observed
AUG 16, 2026200,297,584Not observed
AUG 15, 2026203,093,267Not observed
AUG 14, 2026206,418,393Not observed
AUG 13, 2026214,238,188Not observed
AUG 12, 2026213,054,527Not observed
AUG 11, 2026211,595,513Not observed
AUG 10, 2026202,502,056Not observed
AUG 9, 2026197,526,133Not observed
AUG 8, 2026200,119,886Not observed
AUG 7, 2026203,248,111Not observed
AUG 6, 2026202,540,092Not observed
AUG 5, 2026202,794,596Not observed
AUG 4, 2026200,587,921Not observed
AUG 3, 2026194,558,642Not observed
AUG 2, 2026189,197,740Not observed
AUG 1, 2026190,637,527Not observed
JUL 31, 2026193,488,731Not observed
JUL 30, 2026192,698,246Not observed
JUL 29, 2026190,996,171Not observed
JUL 28, 2026189,253,260Not observed
JUL 27, 2026183,592,150Not observed
JUL 26, 2026178,531,109Not observed
JUL 20, 2026175,547,509Not observed
JUL 13, 2026169,451,973Not observed
JUL 6, 2026167,841,658Not observed
JUN 29, 2026159,818,819Not observed
JUN 22, 2026155,550,790Not observed
JUN 15, 2026151,446,352Not observed
JUN 8, 2026146,977,716Not observed
JUN 1, 2026149,021,769Not observed
MAY 25, 2026145,271,228Not observed
MAY 18, 2026141,620,677Not observed
MAY 11, 2026136,339,319Not observed
MAY 4, 2026130,432,160Not observed
APR 27, 2026125,552,461Not observed
APR 20, 2026120,981,549Not observed
APR 13, 2026117,676,393Not observed
APR 6, 2026113,372,562Not observed
MAR 30, 2026110,516,077Not observed
MAR 23, 2026103,945,959Not observed
MAR 16, 202695,595,860Not observed
MAR 9, 202688,507,276Not observed
MAR 2, 202682,410,132Not observed
FEB 23, 202677,728,261Not observed
FEB 16, 202674,016,742Not observed
FEB 9, 202670,634,152Not observed
FEB 2, 202666,204,152Not observed
JAN 26, 202656,714,824Not observed
JAN 19, 202648,540,910Not observed
JAN 12, 202646,831,733Not observed
JAN 5, 202647,406,889Not observed
DEC 29, 202553,623,629Not observed
DEC 22, 202559,512,679Not observed
DEC 15, 202560,379,526Not observed
DEC 8, 202558,825,702Not observed
DEC 1, 202556,136,227Not observed
NOV 24, 202553,921,179Not observed
NOV 17, 202553,303,756Not observed
NOV 10, 202552,648,633Not observed
NOV 3, 202551,640,052Not observed
OCT 27, 2025Not observedNot observed

Facts from the registry

Latest version
v5.1.3
53 versions
First published
FEB 8, 2012
Last release
OCT 14, 2026
10d ago
Licence
MIT
Links
npm page
Homepage · github.com
Source · github.com

Repository

No repository is linked to this package. Its registry lists the source at github.com, which is not matched to a repository Crest tracks.

Dependencies latest version · v5.1.3

Runtime 1

  • eventsource-parser^4.1.2

Related packages

No related package is in the catalog yet.

Related news

No published news event mentions this package or its repository yet.