Public record
Software health reportschema 0.31.0 · metrics 2.10.0 · 2026-08-15 15:01 UTC

oddbird / popover-polyfill

Polyfills the HTML popover attribute and showPopover/hidePopover/togglePopover methods onto HTMLElement, as well as the popovertarget and popovertargetaction attributes on <button> elements.

TypeScript · HTML · CSSBSD-3-Clause★ 365 stars⑂ 17 forkssince Jul 2022View on GitHub ↗
KindLibraryNetwork servicehow this is determined
#css#polyfill

oddbird/popover-polyfill holds a health index of 91 out of 100, placing it in the Excellent band. It scores highest on Vitality (85/100) and lowest on AI Readiness (58/100). It was last updated 1 day ago. A single contributor accounts for most of its recent work.

91
overall / 100
Excellent

Software health index

Metrics are grouped into weighted categories on one standardized 1–100 scale. Overall starts as their weighted mean, calibrated against the distribution of the public record so bands carry percentile meaning; when public evidence triggers the High-Risk Jurisdiction Policy, the rating is adjusted and receives an At Risk ceiling of 34.

91
Exceptional93-100The record's top tier (≈ top 5%); essentially all checked criteria met
Excellent80-92Strong across the board; minor gaps
Good65-79Healthy; gaps are limited and manageable
Moderate50-64Acceptable with notable gaps; review recommended
Weak35-49Material weaknesses across several areas
At Risk20-34Significant weaknesses; adoption warrants caution
Critical1-19Severe problems (abandoned, single-maintainer, no hygiene)
VitalityCommunity &AdoptionSustainability &GovernanceEngineeringQualitySecurityAI Readiness

Score profile

Each axis is a category. The shape matters more than the average — a healthy subject fills the whole shape, while a spike-and-crater profile means strength in one dimension is masking risk in another.

The weighted overall 77 is calibrated to 91 on the published index scale (record calibration 2026-08-02).

Ownership

OddBirdOrganization
137 followers136 public repossince May 2011

This repository is backed by an organization — shared, accountable stewardship that can outlive any single maintainer.

Package ecosystems

RegistryPackageVersionDownloads / moVersionsLast publishTags
npm@oddbird/popover-polyfill0.7.1737,2503636 days agocsspolyfillpopover

Metrics by category

Vitality

Is the project alive — is code being written and are releases shipping?

85Excellent · 21% of overall

Development activity

80Excellent
How it's scored
36/36Push recency — last push 1 days ago
16.6/36Commit cadence — 24/52 weeks with commits
17.1/18Commit volume — 79 commits in the last year
10/10OpenSSF Scorecard: Maintained — 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
Inputs used
commits_last_year79
human_commit_share0.75
days_since_last_push1
active_weeks_last_year24

Release discipline

92Excellent
How it's scored
27/27Ships releases — 34 releases published
36/36Release recency — latest release 36 days ago
19.8/27Release cadence — a release every ~89.5 days
0/10OpenSSF Scorecard: Signed-Releases — no data
Inputs used
releases_count34
latest_release_tagv0.7.1
releases_from_tagsno
days_since_latest_release36
mean_days_between_releases89.5
Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.

Community & Adoption

Does the project have users, downloads, attention, and a welcoming setup for contributors?

79Good · 17% of overall

Popularity & adoption

56Moderate
How it's scored
41.5/60Stars — 365 stars
10/25Forks — 17 forks
4.3/15Watchers — 7 watchers
Inputs used
forks17
stars365
watchers7
growth_stateunverified
growth_factor_pct100
growth_unverified_reasonno_history

Community health

92Excellent
How it's scored
22.5/22.5README
22.5/22.5License — recognized license (BSD-3-Clause)
18/18CONTRIBUTING guide
13.5/13.5Code of conduct
0/7.2Issue template
6.3/6.3PR template
Inputs used
has_readmeyes
has_licenseyes
readme_badges2
has_contributingyes
has_issue_templateno
has_code_of_conductyes
readme_badge_servicesbadge.fury.io, github.com
has_pull_request_templateyes

Ecosystem adoption (downloads)

98Exceptional
How it's scored
78.2/80Monthly downloads — 737,250 downloads/month across npm
0/20Registry dependents — not reported by this ecosystem
Inputs used
packages@oddbird/popover-polyfill
dependents—
ecosystemsnpm
total_downloads—
monthly_downloads737,250
unverified_packages_excluded—
Excluded from scoring (no data or not applicable): Registry dependents. Remaining weights renormalized.

Sustainability & Governance

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?

76Good · 23% of overall

Maintainer resilience (bus factor)

43Weak
How it's scored
9/54Bus factor — 1 contributor(s) cover half of all commits
10.1/22.5Commit distribution — top contributor authored 55% of commits
13.5/13.5Contributor breadth — 24 contributors
10/10OpenSSF Scorecard: Contributors — project has 21 contributing companies or organizations
Inputs used
bus_factor1
contributors_sampled24
top_contributor_share0.551

Issue & PR responsiveness

83Excellent
How it's scored
36.7/42Issue resolution — 87% of issues closed
27.6/30PR acceptance — 217/236 decided PRs merged
0/13Newcomer PR acceptance — no first-time contributor's PR decided in 30d
7.5/15OpenSSF Scorecard: Code-Review — Found 4/7 approved changesets -- score normalized to 5
Inputs used
merged_prs217
open_issues7
closed_issues48
prs_merged_7d1
prs_decided_7d1
prs_merged_30d1
prs_decided_30d1
issue_closed_ratio0.873
closed_unmerged_prs19
first_time_authors_30d0
first_time_prs_merged_30d0
first_time_prs_decided_30d0
Excluded from scoring (no data or not applicable): Newcomer PR acceptance. Remaining weights renormalized.

Ownership & stewardship

88Excellent
How it's scored
30/30Ownership backing — organization-owned
0/20Verified domain — verified-domain status not read for this organization
15.4/25Owner reach — 137 followers of oddbird
25/25Track record — 136 public repos, account ~15 yr old
Inputs used
followers137
owner_typeOrganization
is_verified—
owner_loginoddbird
public_repos136
account_age_days5,575
Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.

Package maintenance

100Exceptional
How it's scored
25/25Published & resolvable — 1 package(s) on npm
35/35Publish recency — latest publish 36 days ago
20/20Version history — 36 published versions
20/20Not deprecated — active, not deprecated or yanked
Inputs used
packages@oddbird/popover-polyfill
ecosystemsnpm
any_deprecatedno
min_days_since_publish36

Engineering Quality

Are baseline engineering and documentation practices in place?

73Good · 19% of overall

Engineering practices

78Good
How it's scored
24/24CI workflows — 1 workflow(s)
24/24Tests present
16/16Linter config — eslint.config.js
0/9.6Pre-commit hooks
0/6.4.editorconfig
14/20OpenSSF Scorecard: CI-Tests — 6 out of 8 merged PRs checked by a CI test -- score normalized to 7
Inputs used
has_ciyes
has_testsyes
has_editorconfigno
has_linter_configyes
has_precommit_configno

Documentation

65Good
How it's scored
30/30README
0/25Documentation directory
15/15Documentation / homepage site — https://popover.oddbird.net
10/10Repository description
10/10Topics — 2 topics
0/10Wiki
Inputs used
topicscss, polyfill
has_wikino
homepagehttps://popover.oddbird.net
docs_sitehttps://popover.oddbird.net
has_readmeyes
has_docs_dirno
has_descriptionyes

Security

Are visible security and supply-chain practices strong, without unresolved high-risk jurisdiction exposure?

74Good · 16% of overall

Security posture

67Good
How it's scored
7.5/7.5Binary-Artifacts — no binaries found in the repo
0/7.5Branch-Protection — no data
1.8/2.5CI-Tests — 6 out of 8 merged PRs checked by a CI test -- score normalized to 7
0/2.5CII-Best-Practices — no effort to earn an OpenSSF best practices badge detected
3.8/7.5Code-Review — Found 4/7 approved changesets -- score normalized to 5
2.5/2.5Contributors — project has 21 contributing companies or organizations
10/10Dangerous-Workflow — no dangerous workflow patterns detected
7.5/7.5Dependency-Update-Tool — update tool detected
0/5Fuzzing — project is not fuzzed
2.5/2.5License — license file detected
7.5/7.5Maintained — 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
0/5Packaging — no data
0/5Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
1.5/5SAST — SAST tool is not run on all commits -- score normalized to 3
5/5Security-Policy — security policy file detected
0/7.5Signed-Releases — no data
0/7.5Token-Permissions — detected GitHub workflow tokens with excessive permissions
7.5/7.5Vulnerabilities — 0 existing vulnerabilities detected
Inputs used
sourceopenssf_scorecard
checks_evaluated15
scorecard_versionv5.5.0
checks_inconclusive3
scorecard_aggregate6.7
Excluded from scoring (no data or not applicable): Branch-Protection, Packaging, Signed-Releases. Remaining weights renormalized.

Dependency advisories

100Exceptional
How it's scored
35/35Direct dependencies free of known advisories — no direct dependency carries a known advisory
0/25Indirect dependencies free of known advisories — transitive set not separable from development and test dependencies in this scope
0/40No advisories left outstanding — no advisory carries a publication date
Inputs used
sourceosv
advisories0
affected_packages0
assessed_packages303
unassessed_packages0
affected_by_severitynone
direct_affected_packages0
Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 303 resolved dependencies against OSV. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.

AI Readiness

How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight (4%): agent tooling is a real maintenance signal, but a repository with none can still reach 100/100.

58Moderate · 4% of overall

Agent context & guidance

31At Risk
How it's scored
0/45Agent instructions — no CLAUDE.md / AGENTS.md / editor rules
0/15Machine-readable docs (llms.txt)
30.6/40Legible commit history — 43 of 75 human commits state their intent (structured subject or explanatory body)
Inputs used
has_llms_txtno
llms_txt_url—
legible_history_share0.573
agent_instruction_files—
agent_instruction_max_bytes—

Verify loop (build / test / typecheck)

62Moderate
How it's scored
0/18One-command bootstrap
22/22Automated tests
11/11Lint / format config — eslint.config.js
11/11Static type checking — tsconfig.json
10/10Reproducible environment — lockfile
0/10Demonstrated agent practice — no agent-authored commits among the last 100
8/8Automated maintenance — 25 of the last 100 commits are automated dependency updates
0/10OpenSSF Scorecard: Pinned-Dependencies — dependency not pinned by hash detected -- score normalized to 0
Inputs used
has_nixno
has_testsyes
lockfilespackage-lock.json
has_dockerfileno
typed_languageyes
bootstrap_files—
has_devcontainerno
has_linter_configyes
typecheck_configstsconfig.json
agent_commit_share0
toolchain_manifests—
dependency_bot_commit_share0.25

Code legibility for models

100Exceptional
How it's scored
45/45Type-checkable code — TypeScript (statically typed)
55/55Manageable file sizes — 0/15 source files over 60KB
Inputs used
primary_languageTypeScript
largest_source_bytes18,525
source_files_sampled15
oversized_source_files0

Key facts

365GitHub stars
24contributors
79commits, last 12 months
1days since last push
34releases
1bus factor
7open issues
npmpackage ecosystems

Data collection warnings

  • Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token

More detail

Star and fork history 0 ★ / 17 ⇿
0Stars
17Forks
32Releases

When each star and fork was added, collected from GitHub and bucketed by day. Cumulative growth sits directly above the daily additions it is made of, so the two read against each other: steady organic accretion looks nothing like an abrupt, short-lived burst. Where that difference is measurable, it is reported as growth authenticity.

0481216201722022-082024-072026-06
Major 0Minor 6Patch 26

Each point covers 4 days.

OpenSSF Scorecard 6.7 / 10
6.7aggregate

Independent, tool-agnostic security assessment from the open-source OpenSSF Scorecard. Each check rewards a security practice, not a specific vendor's tool. Checks Scorecard could not determine are marked n/a and excluded from the security score (never counted as zero).Scorecard v5.5.0 · 2026-08-15 15:00 UTC

10Binary-Artifactsno binaries found in the repo
n/aBranch-Protectioninternal error: error during branchesHandler.setup: internal error: some github tokens can't read classic branch protection rules: https://github.com/ossf/scorecard-action/blob/main/docs/authentication/fine-grained-auth-token.md
7CI-Tests6 out of 8 merged PRs checked by a CI test -- score normalized to 7
0CII-Best-Practicesno effort to earn an OpenSSF best practices badge detected
5Code-ReviewFound 4/7 approved changesets -- score normalized to 5
10Contributorsproject has 21 contributing companies or organizations
10Dangerous-Workflowno dangerous workflow patterns detected
10Dependency-Update-Toolupdate tool detected
0Fuzzingproject is not fuzzed
10Licenselicense file detected
10Maintained30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10
n/aPackagingpackaging workflow not detected
0Pinned-Dependenciesdependency not pinned by hash detected -- score normalized to 0
3SASTSAST tool is not run on all commits -- score normalized to 3
10Security-Policysecurity policy file detected
n/aSigned-Releasesno releases found
0Token-Permissionsdetected GitHub workflow tokens with excessive permissions
10Vulnerabilities0 existing vulnerabilities detected
All dependencies 303

Full resolved dependency set from the GitHub dependency graph: 0 direct and 303 indirect (transitive) packages. The transitive closure is complete when the repository commits a lockfile.

RegistryPackageVersionRelation
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npmprelude-ls1.2.1indirect
npmprettier3.9.6indirect
npmpunycode2.3.1indirect
npmread-pkg3.0.0indirect
npmreflect.getprototypeof1.0.10indirect
npmregexp.prototype.flags1.5.4indirect
npmresolve1.22.12indirect
npmresolve-pkg-maps1.0.0indirect
npmsafe-array-concat1.1.4indirect
npmsafe-push-apply1.0.0indirect
npmsafe-regex-test1.1.0indirect
npmsemver5.7.2indirect
npmsemver7.8.5indirect
npmset-function-length1.2.2indirect
npmset-function-name2.0.2indirect
npmset-proto1.0.0indirect
npmshebang-command1.2.0indirect
npmshebang-command2.0.0indirect
npmshebang-regex1.0.0indirect
npmshebang-regex3.0.0indirect
npmshell-quote1.10.0indirect
npmside-channel1.1.1indirect
npmside-channel-list1.0.1indirect
npmside-channel-map1.0.1indirect
npmside-channel-weakmap1.0.2indirect
npmspdx-correct3.2.0indirect
npmspdx-exceptions2.5.0indirect
npmspdx-expression-parse3.0.1indirect
npmspdx-license-ids3.0.23indirect
npmstable-hash-x0.2.0indirect
npmstop-iteration-iterator1.1.0indirect
npmstring-argv0.3.2indirect
npmstring.prototype.padend3.1.6indirect
npmstring.prototype.trim1.2.11indirect
npmstring.prototype.trimend1.0.10indirect
npmstring.prototype.trimstart1.0.8indirect
npmstrip-bom3.0.0indirect
npmsupports-color5.5.0indirect
npmsupports-preserve-symlinks-flag1.0.0indirect
npmtinyexec1.3.0indirect
npmtinyglobby0.2.17indirect
npmts-api-utils2.5.0indirect
npmtslib2.8.1indirect
npmtype-check0.4.0indirect
npmtyped-array-buffer1.0.3indirect
npmtyped-array-byte-length1.0.3indirect
npmtyped-array-byte-offset1.0.4indirect
npmtyped-array-length1.0.8indirect
npmtypescript6.0.3indirect
npmtypescript-eslint8.65.0indirect
npmunbox-primitive1.1.0indirect
npmundici-types8.3.0indirect
npmunrs-resolver1.12.2indirect
npmuri-js4.4.1indirect
npmvalidate-npm-package-license3.0.4indirect
npmwhich1.3.1indirect
npmwhich2.0.2indirect
npmwhich-boxed-primitive1.1.1indirect
npmwhich-builtin-type1.2.1indirect
npmwhich-collection1.0.2indirect
npmwhich-typed-array1.1.22indirect
npmword-wrap1.2.5indirect
npmyaml2.9.0indirect
npmyocto-queue0.1.0indirect
Dependency advisories 0

This repository publishes no package the index resolves, so its own dependency graph was assessed — 303 packages, which also include development and test pins that never ship: 0 carry known advisories, of which 0 are direct.

No known advisories affect the assessed dependencies.

An advisory means the version recorded in the dependency graph falls inside an advisory’s affected range. Reachability is not analysed, and the graph includes development and test pins — a finding may concern tooling rather than shipped software.

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Scores are signals, not warranties. They reflect publicly visible practices on GitHub — not a code audit, and not a security guarantee.

Missing data is excluded and weights renormalized, never scored as zero. Methodology is versioned and open: metrics v2.10.0, schema v0.31.0 — full methodology · metrics wiki.

How one result sits in the wider record: aggregate statistics — npm.