w3c/network-error-logging

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Network Error Logging

Stars: 91
Forks: 22
Open beginner issues: 0
Indexed issues: 38

Dominant language: Bikeshed
License: No license data
Last GitHub push: Apr 15, 2026
Latest indexed: Sep 21, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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38 open issues indexed

Proposal: Introduce Fine-Grained Sampling Controls for 4xx HTTP Status Codes in NEL Open

w3c/network-error-logging#208 · 2 reactions · 1 assignee · Opened Jun 4, 2026
Question on CR Timeline Open

w3c/network-error-logging#207 · 1 comment · 1 assignee · Opened Apr 21, 2026
Clarify NEL's purpose, and a question Open

w3c/network-error-logging#192 · 4 comments · 1 assignee · Opened Oct 22, 2025
HTTP error responses implementations inconsistent with spec Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#191 · Opened Aug 28, 2025
Deal with fetchParams Open

w3c/network-error-logging#188 · 1 assignee · Opened Feb 17, 2025
Should some Predefined network error types map directly to fetch error states? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

w3c/network-error-logging#185 · Opened Feb 7, 2025
Map NEL phases to fetch Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

w3c/network-error-logging#184 · 1 comment · Opened Feb 7, 2025
Redefine report delivery in terms of Fetch Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#183 · 1 comment · Opened Feb 7, 2025
Network failures after connection establishment Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#176 · 1 comment · Opened Jul 20, 2024
"Happy Eyeballs" failure reporting Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

w3c/network-error-logging#175 · 6 comments · Opened Jul 20, 2024
Distribute NEL policies with DNS Open

privacy-tracker

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#173 · 7 comments · 2 reactions · Opened Dec 4, 2023
WebSocket support Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/network-error-logging#172 · 9 comments · Opened Dec 4, 2023
Only Fetch? Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#170 · 3 comments · Opened Oct 20, 2023
Clarify client flexibility Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

w3c/network-error-logging#168 · 1 comment · Opened Oct 4, 2023
Rebase NEL on top of Fetch Open

w3c/network-error-logging#166 · 1 comment · 2 assignees · Opened Sep 29, 2023
Report-To header no longer defined Open

w3c/network-error-logging#159 · 4 comments · 1 assignee · Opened Sep 16, 2023
JSON validation schema Open

w3c/network-error-logging#156 · 1 comment · 1 assignee · Opened Sep 12, 2023
Allow limiting information in URLs exposed in NEL Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/network-error-logging#151 · 3 comments · 2 reactions · Opened Jun 28, 2023
Ensure that NEL does not report on requests that users do not make voluntarily. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#150 · 14 comments · 2 reactions · Opened Jun 28, 2023
Better HTTP/2 and HTTP/3 errors Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#134 · 9 comments · 3 reactions · Opened Apr 4, 2023
Proposal: Control delivery of network error types on client side Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#133 · 12 comments · Opened Apr 4, 2023
Proposal: Convey Extended DNS Errors Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#129 · 10 comments · 2 reactions · Opened Mar 16, 2021
Proposal: Include certificate fingerprint(s) in NEL reports Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#127 · 7 comments · Opened May 15, 2020
Event severity and alerting Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/network-error-logging#125 · 5 comments · 1 reaction · Opened Apr 23, 2020
Path-based sampling Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

w3c/network-error-logging#124 · 6 comments · Opened Apr 23, 2020
server_ip is likely not defined correctly. Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/network-error-logging#120 · 1 comment · 1 reaction · Opened Nov 26, 2019
Define HTTP/3 Error Type Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

w3c/network-error-logging#119 · 1 reaction · Opened Nov 8, 2019
Disambiguate definitions Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

w3c/network-error-logging#115 · 3 comments · Opened Jul 3, 2019
NEL header injection attack allows stealing HttpOnly cookies Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#112 · 1 comment · 4 reactions · Opened Apr 9, 2019
`request_headers` may send SameSite cookies cross-site Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

w3c/network-error-logging#111 · 2 comments · 1 reaction · Opened Apr 9, 2019
Are user initiated aborts a network failure? Open

needs-tests

Difficulty 4/5 3-5 days Newbie friendliness 25/100

w3c/network-error-logging#108 · 25 comments · Opened Feb 15, 2019
Disallow "hop-by-hop" headers in `request_headers` and `response_headers` Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

w3c/network-error-logging#107 · Opened Feb 14, 2019
Spec exceeds the scope of network error logging. Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

w3c/network-error-logging#101 · 1 comment · Opened Jan 14, 2019
Signed Exchange Reporting Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#99 · 21 comments · 4 reactions · Opened Dec 6, 2018
Handle type mismatches in NEL header more gracefully Open

backwards-compatible

Difficulty 4/5 3-5 days Newbie friendliness 35/100

w3c/network-error-logging#85 · 4 comments · Opened Jun 28, 2018
Make `report_to` field optional Open

backwards-compatible

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

w3c/network-error-logging#84 · Opened Jun 28, 2018
Investigate report-uri management workflows Open

v2

Difficulty 5/5 Over a week Newbie friendliness 25/100

w3c/network-error-logging#32 · Opened Feb 26, 2015
error codes should ideally link to definitions Open

backwards-compatible enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

w3c/network-error-logging#27 · 1 reaction · Opened Feb 6, 2015

w3c/network-error-logging

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