How does PageSourceSearch know what outbreak.info is built with?

From the site's own source code. The crawler stores the exact bytes of its pages and first-party scripts; the libraries are recognised by fingerprinting that code against known releases, the identifiers are read out of the tag snippets, and the third-party hosts are the script, iframe and stylesheet sources in the HTML and the absolute URLs inside the scripts. Nothing is inferred from headers or guessed.

How far back does the history of outbreak.info go?

To the first crawl the timeline lists. Every crawl records what the site looked like; when a file's content changes, its earlier version stays viewable because the stored chunks are never deleted, only mapped. A crawl that finds a file unchanged adds no copy.

Can I see an older version of a script from outbreak.info?

Yes. In the stored files list, every date under a file opens the version that was live at that crawl, with the same viewer as the current one. The raw bytes can be downloaded from there.

Which other websites use the same tracking IDs as outbreak.info?

Each identifier links to its reverse lookup, the list of every site in the index whose source carries the same id: the sites one analytics property or tag manager container is shared across.

Site profile

outbreak.info

Built with bootstrap 4.3.1, jquery, gtag, popper.js 1.14.7, @wix/design-system 1.328.0, gather-vue 8.20.3, @uoguelph/web-components 2.1.2, element-plus 2.14.6, @commonlit/commonlit-frontend 0.1.0, @epigraph/configurator 2.7.0, mqtt 5.16.0, naive-ui 2.45.3 and more. 1 page and 154 stored files, last crawled 2026-10-02.

rank 500,115 24 libraries 0 identifiers 70 third-party hosts 1 crawl open the site

Technologies and libraries

Recognised by fingerprinting the stored files and bundles against known releases; a version is the release the bytes match.

Library	Version	Seen
bootstrap	4.3.1	2026-10-02
jquery		2026-10-02
gtag		2026-10-02
popper.js	1.14.7	2026-10-02
@wix/design-system	1.328.0	2026-10-02
gather-vue	8.20.3	2026-10-02
@uoguelph/web-components	2.1.2	2026-10-02
element-plus	2.14.6	2026-10-02
@commonlit/commonlit-frontend	0.1.0	2026-10-02
@epigraph/configurator	2.7.0	2026-10-02
mqtt	5.16.0	2026-10-02
naive-ui	2.45.3	2026-10-02
pixi.js-legacy	7.4.3	2026-10-02
billboard.js	4.1.0	2026-10-02
@cloudflare/realtimekit	2.0.2	2026-10-02
@prefecthq/prefab-ui	0.20.2	2026-10-02
@wavoip/wavoip-webphone	1.9.1	2026-10-02
@myparcel-dev/delivery-options	7.5.3	2026-10-02
@isle-project/dll	0.50.65	2026-10-02
@gradio/lite	5.45.0	2026-10-02
tify	0.36.2	2026-10-02
@pydantic/ai-chat-ui	2.3.0	2026-10-02
@marimo-team/frontend	0.25.0	2026-09-24
name-suggestion-index	8.0.20260918	2026-09-24

Tracking, tag and verification IDs

No analytics property, tag manager container, pixel or site-verification token was found in the stored source.

Third-party hosts

Hosts outside outbreak.info that its pages load scripts, frames or stylesheets from, and that its own scripts name in absolute URLs (connect). Each links to every site loading from the same host.

Host	Loaded as	Found in
about.zenodo.org	connect	view source
andersen-lab.com	connect	view source
aquaria.app	connect	view source
assets.publishing.service.gov.uk	connect	view source
biothings.io	connect	view source
biotools.readthedocs.io	connect	view source
bit.ly	connect	view source
cdn.jsdelivr.net	script stylesheet	view source
cdnjs.cloudflare.com	stylesheet	view source
clinicaltrials.gov	connect	view source
code.jquery.com	script	view source
connect.biorxiv.org	connect	view source
cov-lineages.org	connect	view source
covid-19.bio.tools	connect	view source
covid19.figshare.com	connect	view source
covidtracking.com	connect	view source
creativecommons.org	connect	view source
ctsa.ncats.nih.gov	connect	view source
cvisb.org	connect	view source
d1bxh8uas1mnw7.cloudfront.net	connect	view source
data.cvisb.org	connect	view source
dataverse.harvard.edu	connect	view source
dataverse.org	connect	view source
discovery.biothings.io	connect	view source
dockstore.org	connect	view source
doi.org	connect	view source
dx.doi.org	connect	view source
fonts.googleapis.com	stylesheet	view source
github.com	connect	view source
globalhealth.scripps.edu	connect	view source
help.altmetric.com	connect	view source
i.postimg.cc	connect	view source
knowledge.figshare.com	connect	view source
outbreak.us6.list-manage.com	connect	view source
pubmed.ncbi.nlm.nih.gov	connect	view source
reporter.nih.gov	connect	view source
searchcovid.info	connect	view source
sulab.org	connect	view source
systems.jhu.edu	connect	view source
twitter.com	connect	view source
virological.org	connect	view source
vuejs.org	connect	view source
web.archive.org	connect	view source
wulab.io	connect	view source
www.biorxiv.org	connect	view source
www.cdc.gov	connect	view source
www.cebm.ox.ac.uk	connect	view source
www.census.gov	connect	view source
www.covid19lst.org	connect	view source
www.ecdc.europa.eu	connect	view source
www.facebook.com	connect	view source
www.gisaid.org	connect	view source
www.googletagmanager.com	connect	view source
www.gov.uk	connect	view source
www.immport.org	connect	view source
www.imperial.ac.uk	connect	view source
www.linkedin.com	connect	view source
www.medrxiv.org	connect	view source
www.naturalearthdata.com	connect	view source
www.nature.com	connect	view source
www.ncbi.nlm.nih.gov	connect	view source
www.niaid.nih.gov	connect	view source
www.pango.network	connect	view source
www.protocols.io	connect	view source
www.rcsb.org	connect	view source
www.reddit.com	connect	view source
www.scripps.edu	connect	view source
www.w3.org	connect	view source
www.who.int	connect	view source
zenodo.org	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 154) }. Versions are the crawls at which the file was new or its content changed; each opens the file as it was then, rebuilt from the same stored chunks.

File	Kind	Size	Collected	Versions
https://cdn.jsdelivr.net/clipboard.js/1.5.12/clipboard.min.js	js library	not fetched	2026-10-02	current
https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.min.js	js library	not fetched	2026-10-02	current
https://cdn.jsdelivr.net/npm/[email protected]/dist/umd/popper.min.js	js library	not fetched	2026-10-02	current
https://code.jquery.com/jquery-3.3.1.slim.min.js	js library	not fetched	2026-10-02	current
https://outbreak.info/assets/Home-f8d6aa1d.js	js	8.3 KB	2026-10-02	current
https://outbreak.info/assets/_Set-2bd381b7.js	js library	3.8 KB	2026-10-02	current
https://outbreak.info/assets/_Uint8Array-e6f792a7.js	js library	5.1 KB	2026-10-02	current
https://outbreak.info/assets/_baseGetTag-445d73c8.js	js	684 B	2026-10-02	current
https://outbreak.info/assets/_baseIteratee-08baebd1.js	js library	2.7 KB	2026-10-02	current
https://outbreak.info/assets/_baseUniq-725117aa.js	js library	1 KB	2026-10-02	current
https://outbreak.info/assets/_getMatchData-fea78af2.js	js library	4.2 KB	2026-10-02	current
https://outbreak.info/assets/_plugin-vue_export-helper-c27b6911.js	js	91 B	2026-10-02	current
https://outbreak.info/assets/_setToArray-44e801b3.js	js	502 B	2026-10-02	current
https://outbreak.info/assets/axios-c1aed293.js	js	47.3 KB	2026-10-02	current
https://outbreak.info/assets/bin-6a2e0f7b.js	js	1.8 KB	2026-10-02	current
https://outbreak.info/assets/biothings-856465c4.js	js	8.2 KB	2026-10-02	current
https://outbreak.info/assets/bisect-57b0da89.js	js	685 B	2026-10-02	current
https://outbreak.info/assets/colors-98f238a0.js	js	109 B	2026-10-02	current
https://outbreak.info/assets/colorsStore-f359b6c3.js	js	1.3 KB	2026-10-02	current
https://outbreak.info/assets/curated_lineages-33a37531.js	js	612.4 KB	2026-10-02	current
https://outbreak.info/assets/defaultLocale-6801ffd9.js	js	4.6 KB	2026-10-02	current
https://outbreak.info/assets/defaultLocale-a60b609e.js	js library	11.4 KB	2026-10-02	current
https://outbreak.info/assets/epi-traces-d7fa6200.js	js	5.5 KB	2026-10-02	current
https://outbreak.info/assets/extent-4cf1c809.js	js	245 B	2026-10-02	current
https://outbreak.info/assets/finalize-19ebaffe.js	js	364 B	2026-10-02	current
https://outbreak.info/assets/forkJoin-177439fd.js	js	880 B	2026-10-02	current
https://outbreak.info/assets/genomics-dcc25fd8.js	js	43.1 KB	2026-10-02	current
https://outbreak.info/assets/genomics_examples-de7be013.js	js	558 B	2026-10-02	current
https://outbreak.info/assets/geoStore-ba44e993.js	js	1.1 KB	2026-10-02	current
https://outbreak.info/assets/gisaid-f31ad859.js	js	4.7 KB	2026-10-02	current
https://outbreak.info/assets/index-168b6c61.js	js	34.3 KB	2026-10-02	current
https://outbreak.info/assets/init-a5b10ee5.js	js library	377 B	2026-10-02	current
https://outbreak.info/assets/isObject-f34bc055.js	js	98 B	2026-10-02	current
https://outbreak.info/assets/isObjectLike-d188d688.js	js	68 B	2026-10-02	current
https://outbreak.info/assets/isSymbol-8fec4ee0.js	js	204 B	2026-10-02	current
https://outbreak.info/assets/max-adfc8a60.js	js	200 B	2026-10-02	current
https://outbreak.info/assets/mergeMap-104c6c6e.js	js	1.5 KB	2026-10-02	current
https://outbreak.info/assets/min-7292b72b.js	js	200 B	2026-10-02	current
https://outbreak.info/assets/number-82d293db.js	js library	283 B	2026-10-02	current
https://outbreak.info/assets/of-d7a5b5c7.js	js	293 B	2026-10-02	current
https://outbreak.info/assets/ordinal-74808f44.js	js library	1.2 KB	2026-10-02	current
https://outbreak.info/assets/pluck-992d8d65.js	js	13.7 KB	2026-10-02	current
https://outbreak.info/assets/quantile-5e51837d.js	js library	1.4 KB	2026-10-02	current
https://outbreak.info/assets/ramp-140fb9f0.js	js	84 B	2026-10-02	current
https://outbreak.info/assets/range-6bc2a9a0.js	js library	180 B	2026-10-02	current
https://outbreak.info/assets/resources_examples-2103c087.js	js	243 B	2026-10-02	current
https://outbreak.info/assets/sarscov2_NC045512_genes_nt-013be2af.js	js	470 B	2026-10-02	current
https://outbreak.info/assets/set-42fb42d8.js	js	2.1 KB	2026-10-02	current
https://outbreak.info/assets/sum-2c3bc3a6.js	js	146 B	2026-10-02	current
https://outbreak.info/assets/ticks-fa462bd2.js	js library	906 B	2026-10-02	current
https://outbreak.info/assets/uniq-cc912567.js	js	170 B	2026-10-02	current
https://www.googletagmanager.com/gtag/js?id=G-H3QB0DV85N&l=dataLayer	js library	not fetched	2026-10-02	current
https://outbreak.info/assets/SlopeComparison-4a7d971e.js	js	4 KB	2026-10-02	current
https://outbreak.info/assets/SituationReportDefinitions-9bc4cb37.js	js	7 KB	2026-10-02	current
https://outbreak.info/assets/SituationReportComponent-bf1849ea.js	js	33.9 KB	2026-10-02	current
https://outbreak.info/assets/ShareReport-e85ccf81.js	js	2 KB	2026-10-02	current
https://outbreak.info/assets/SearchLink-432d3dcf.js	js	1.1 KB	2026-10-02	current
https://outbreak.info/assets/SequencingHistogram-ec44a1fb.js	js	7 KB	2026-10-02	current
https://outbreak.info/assets/SearchBar-7582b0a5.js	js	2.9 KB	2026-10-02	current
https://outbreak.info/assets/SARSMutationMap-c5933841.js	js	15 KB	2026-10-02	current
https://outbreak.info/assets/ResourceTimeline-3a354445.js	js	3.4 KB	2026-10-02	current
https://outbreak.info/assets/ResourceSidebar-3374a651.js	js	7.2 KB	2026-10-02	current
https://outbreak.info/assets/ResourceDescription-e0d978bf.js	js	11.4 KB	2026-10-02	current
https://outbreak.info/assets/ResourceCitation-800d72b4.js	js	2.9 KB	2026-10-02	current
https://outbreak.info/assets/ReportSummary-4a4cdb7d.js	js	5.8 KB	2026-10-02	current
https://outbreak.info/assets/ReportSublineagePercentage-e69792ed.js	js	8 KB	2026-10-02	current
https://outbreak.info/assets/ReportStackedBarGraph-d7c5a18d.js	js	5 KB	2026-10-02	current
https://outbreak.info/assets/ReportResources-5732317e.js	js	4.3 KB	2026-10-02	current
https://outbreak.info/assets/ReportPrevalenceOverlay-cc3dc741.js	js	20.2 KB	2026-10-02	current
https://outbreak.info/assets/ReportPrevalence-f6e5653b.js	js	13.6 KB	2026-10-02	current
https://outbreak.info/assets/ReportPrevalenceByLocation-eca4f479.js	js	14.5 KB	2026-10-02	current
https://outbreak.info/assets/ReportMethodology-c483c246.js	js	8.2 KB	2026-10-02	current
https://outbreak.info/assets/ReportLogos-8d327574.js	js	1.6 KB	2026-10-02	current
https://outbreak.info/assets/ReportCard-4de97c0a.js	js	685 B	2026-10-02	current
https://outbreak.info/assets/ReportAcknowledgements-e1811d0a.js	js	1.8 KB	2026-10-02	current
https://outbreak.info/assets/RecoveredBar-2d4e1315.js	js	1.2 KB	2026-10-02	current
https://outbreak.info/assets/OverlayLineagePrevalence-9b247486.js	js	4 KB	2026-10-02	current
https://outbreak.info/assets/NewResources-e6aaa748.js	js	1.9 KB	2026-10-02	current
https://outbreak.info/assets/NewList-4b64f455.js	js	1.2 KB	2026-10-02	current
https://outbreak.info/assets/MutationsByLineage-ca31781a.js	js	8.4 KB	2026-10-02	current
https://outbreak.info/assets/MutationTable-3937b304.js	js	1.3 KB	2026-10-02	current
https://outbreak.info/assets/MutationHeatmap-25726a7a.js	js	13.6 KB	2026-10-02	current
https://outbreak.info/assets/MiniLocation-ff8b8deb.js	js	32.6 KB	2026-10-02	current
https://outbreak.info/assets/Logos-e40cfd62.js	js	7.8 KB	2026-10-02	current
https://outbreak.info/assets/LocationTable-ee1385c8.js	js	4.8 KB	2026-10-02	current
https://outbreak.info/assets/LocationReportComponent-dab38702.js	js	31.4 KB	2026-10-02	current
https://outbreak.info/assets/LineagesByLocation-4d8220a4.js	js	14.2 KB	2026-10-02	current
https://outbreak.info/assets/LineageComparisonComponent-3ee14cd8.js	js	27 KB	2026-10-02	current
https://outbreak.info/assets/LineComparison-f03e065d.js	js	5.3 KB	2026-10-02	current
https://outbreak.info/assets/Jobs-aaf533d8.js	js	3.1 KB	2026-10-02	current
https://outbreak.info/assets/HorizontalCategoricalLegend-4f012dc0.js	js	1.5 KB	2026-10-02	current
https://outbreak.info/assets/HorizontalBargraph-53354ccf.js	js	2 KB	2026-10-02	current
https://outbreak.info/assets/HistogramLegend-cc987422.js	js	7.2 KB	2026-10-02	current
https://outbreak.info/assets/Histogram-a09be194.js	js	3.6 KB	2026-10-02	current
https://outbreak.info/assets/GradientLegend-897a4499.js	js	1.4 KB	2026-10-02	current
https://outbreak.info/assets/GrYAxis-d3b31ece.js	js	1.1 KB	2026-10-02	current
https://outbreak.info/assets/GrXAxis-5dcd2b0f.js	js	899 B	2026-10-02	current
https://outbreak.info/assets/GrWarning-b5157583.js	js	927 B	2026-10-02	current
https://outbreak.info/assets/GrVisualizations-80d9aa13.js	js	14.6 KB	2026-10-02	current
https://outbreak.info/assets/GrVisInfo-4e47ed46.js	js	1.4 KB	2026-10-02	current
https://outbreak.info/assets/GrVisHeader-8ac98807.js	js	629 B	2026-10-02	current
https://outbreak.info/assets/GrTooltip-5b841f79.js	js	2.7 KB	2026-10-02	current
https://outbreak.info/assets/GrTableLegend-9900a05a.js	js	1.8 KB	2026-10-02	current
https://outbreak.info/assets/GrSuggestedLineages-04ced8c0.js	js	1.7 KB	2026-10-02	current
https://outbreak.info/assets/GrStripeCell-8c5f66ac.js	js	1 KB	2026-10-02	current
https://outbreak.info/assets/GrOverview-fd39edcf.js	js	2.3 KB	2026-10-02	current
https://outbreak.info/assets/GrScatterplot-61364264.js	js	3.5 KB	2026-10-02	current
https://outbreak.info/assets/GrNotes-62c4c941.js	js	4.2 KB	2026-10-02	current
https://outbreak.info/assets/GrLineChart-c276d290.js	js	3.7 KB	2026-10-02	current
https://outbreak.info/assets/GrLineCell-95c9cb5a.js	js	1.8 KB	2026-10-02	current
https://outbreak.info/assets/GrLegendWithPointer-0c9dba69.js	js	3 KB	2026-10-02	current
https://outbreak.info/assets/GrLegend-9e87b393.js	js	1.9 KB	2026-10-02	current
https://outbreak.info/assets/GrIntro-4d6efa89.js	js	829 B	2026-10-02	current
https://outbreak.info/assets/GrImage-2bd9e11b.js	js	763 B	2026-10-02	current
https://outbreak.info/assets/GrHeader-1f2018a5.js	js	2.2 KB	2026-10-02	current
https://outbreak.info/assets/GrForm-c00751fc.js	js	137.4 KB	2026-10-02	current
https://outbreak.info/assets/GrCellAxis-e4470485.js	js	858 B	2026-10-02	current
https://outbreak.info/assets/GrCI95Top-bc258f21.js	js	1 KB	2026-10-02	current
https://outbreak.info/assets/GrCI95Bottom-b80657b4.js	js	1 KB	2026-10-02	current
https://outbreak.info/assets/GrCI95-0fb1e67d.js	js	887 B	2026-10-02	current
https://outbreak.info/assets/GrAnnotations-9d430da9.js	js	1 KB	2026-10-02	current
https://outbreak.info/assets/GrAcknowledgements-df6746e5.js	js	1.6 KB	2026-10-02	current
https://outbreak.info/assets/GlanceSummary-741cfa76.js	js	6.8 KB	2026-10-02	current
https://outbreak.info/assets/GenomicsCitation-65f7492b.js	js	991 B	2026-10-02	current
https://outbreak.info/assets/GapOverTime-e092523c.js	js	3.4 KB	2026-10-02	current
https://outbreak.info/assets/EpiTable-e0d71f94.js	js	8.7 KB	2026-10-02	current
https://outbreak.info/assets/EpiStacked-e57a25c1.js	js	4.8 KB	2026-10-02	current
https://outbreak.info/assets/EpiCurve-e8fa1d83.js	js	13.5 KB	2026-10-02	current
https://outbreak.info/assets/EmailSubscription-493898eb.js	js	1.1 KB	2026-10-02	current
https://outbreak.info/assets/DownloadReportData-c4fc4929.js	js	1.6 KB	2026-10-02	current
https://outbreak.info/assets/DownloadData-683b29fb.js	js	7.5 KB	2026-10-02	current
https://outbreak.info/assets/DotPlot-d68fa52e.js	js	7.3 KB	2026-10-02	current
https://outbreak.info/assets/Donut-72ce76de.js	js	6.6 KB	2026-10-02	current
https://outbreak.info/assets/DateSlider-92478782.js	js	4.1 KB	2026-10-02	current
https://outbreak.info/assets/DateHistogram-efbe1aee.js	js	5 KB	2026-10-02	current
https://outbreak.info/assets/DataUsage-fdcc2e2d.js	js	1.9 KB	2026-10-02	current
https://outbreak.info/assets/DataUpdated-571c80d5.js	js	695 B	2026-10-02	current
https://outbreak.info/assets/DataSource-90e5489d.js	js	2.3 KB	2026-10-02	current
https://outbreak.info/assets/CustomReportForm-0d7f9435.js	js	1.4 KB	2026-10-02	current
https://outbreak.info/assets/CustomLocationForm-d77e0d54.js	js	3.4 KB	2026-10-02	current
https://outbreak.info/assets/CountryMap-fab62fe4.js	js	373.5 KB	2026-10-02	current
https://outbreak.info/assets/CountryBarGraph-1bc5a84e.js	js	6.5 KB	2026-10-02	current
https://outbreak.info/assets/ClinicalTrialSummary-34d91025.js	js	918 B	2026-10-02	current
https://outbreak.info/assets/ClinicalTrialDescription-2a1ee30c.js	js	3.2 KB	2026-10-02	current
https://outbreak.info/assets/ClassedLegend-182100ca.js	js	3.9 KB	2026-10-02	current
https://outbreak.info/assets/CiteUs-5658a628.js	js	3.7 KB	2026-10-02	current
https://outbreak.info/assets/CirclePacking-cf342683.js	js	10.3 KB	2026-10-02	current
https://outbreak.info/assets/Choropleth-4400ac23.js	js	10.2 KB	2026-10-02	current
https://outbreak.info/assets/CharacteristicMutations-76a523cc.js	js	5.8 KB	2026-10-02	current
https://outbreak.info/assets/Bargraph-54f136bb.js	js	563.1 KB	2026-10-02	current
https://outbreak.info/assets/Autocomplete-30eef8e6.js	js	3.7 KB	2026-10-02	current
https://outbreak.info/assets/index-1ad9b78e.js	js	447.4 KB	2026-10-02	current
https://outbreak.info/	html	2.2 KB	2026-10-02	current
https://outbreak.info/assets/ReportChoropleth-5ab96a7b.js	js	3.3 MB	2026-09-24	current

Timeline

One entry per crawl, newest first, with what changed since the crawl before: libraries, identifiers, third-party hosts and files. Historical versions stay viewable because the stored chunks are shared between versions, never copied.

2026-10-02 first crawl

1 page, 153 files, 2.8 MB; 22 libraries, 0 identifiers, 70 third-party hosts
22 libraries added
- gather-vue 8.20.3
- @myparcel-dev/delivery-options 7.5.3
- tify 0.36.2
- @uoguelph/web-components 2.1.2
- @isle-project/dll 0.50.65
- @wix/design-system 1.328.0
- billboard.js 4.1.0
- @gradio/lite 5.45.0
- pixi.js-legacy 7.4.3
- mqtt 5.16.0
- @cloudflare/realtimekit 2.0.2
- naive-ui 2.45.3
- and 10 more
71 third-party hosts added
- code.jquery.com
- cdn.jsdelivr.net
- fonts.googleapis.com
- cdn.jsdelivr.net
- cdnjs.cloudflare.com
- vuejs.org
- www.w3.org
- www.googletagmanager.com
- i.postimg.cc
- github.com
- doi.org
- www.nature.com
- and 59 more
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Questions about outbreak.info

How does PageSourceSearch know what outbreak.info is built with?: From the site's own source code. The crawler stores the exact bytes of its pages and first-party scripts; the libraries are recognised by fingerprinting that code against known releases, the identifiers are read out of the tag snippets, and the third-party hosts are the script, iframe and stylesheet sources in the HTML and the absolute URLs inside the scripts. Nothing is inferred from headers or guessed.
How far back does the history of outbreak.info go?: To the first crawl the timeline lists. Every crawl records what the site looked like; when a file's content changes, its earlier version stays viewable because the stored chunks are never deleted, only mapped. A crawl that finds a file unchanged adds no copy.
Can I see an older version of a script from outbreak.info?: Yes. In the stored files list, every date under a file opens the version that was live at that crawl, with the same viewer as the current one. The raw bytes can be downloaded from there.
Which other websites use the same tracking IDs as outbreak.info?: Each identifier links to its reverse lookup, the list of every site in the index whose source carries the same id: the sites one analytics property or tag manager container is shared across.

Look up another site, browse sites by tracking ID, third-party host or technology. Site owners: see the crawler page for how stored pages are removed.