How does PageSourceSearch know what opinvisindi.is 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 opinvisindi.is 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 opinvisindi.is?

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 opinvisindi.is?

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

opinvisindi.is

Built with mathjax 4.1.3, @pine-ds/core 4.0.0, fomantic-ui 2.9.4, angular 15.2.10, swagger-ui-dist 5.33.0, klaro 0.7.21, google-analytics, recaptcha, kore-web-sdk 11.28.1, jquery-ui-dist 1.13.3, reverie-stt-sdk 0.24.0, dygraphs 2.2.2 and more. 7 pages and 172 stored files, last crawled 2026-10-02.

rank 452,239 38 libraries 0 identifiers 13 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
mathjax	4.1.3	2026-10-02
@pine-ds/core	4.0.0	2026-10-02
fomantic-ui	2.9.4	2026-10-02
angular	15.2.10	2026-10-02
swagger-ui-dist	5.33.0	2026-10-02
klaro	0.7.21	2026-10-02
google-analytics		2026-10-02
recaptcha		2026-10-02
kore-web-sdk	11.28.1	2026-10-02
jquery-ui-dist	1.13.3	2026-10-02
reverie-stt-sdk	0.24.0	2026-10-02
dygraphs	2.2.2	2026-10-02
jsonld	9.0.0	2026-10-02
@stlite/mountable	0.75.0	2026-10-02
@jupyter-widgets/html-manager	1.0.15	2026-10-02
webex	3.12.0	2026-10-02
vditor	4.0.0	2026-10-02
tdesign-react	1.18.3	2026-10-02
jquery-ui-bundle	1.12.1-migrate	2026-10-02
@recogito/annotorious	2.7.14	2026-10-02
javascript-obfuscator	5.8.0	2026-10-02
@figmania/loader	3.3.10	2026-10-02
h5p-standalone	3.8.2	2026-10-02
@widgetti/solara-vuetify-app	10.1.1	2026-10-02
@stytch/vanilla-js	6.3.0	2026-10-02
bulma-calendar	7.1.1	2026-10-02
@everymatrix/player-profile-dashboard	1.21.0	2026-10-02
@formbird/angular-elements	8.5.10	2026-10-02
wonder-image	2.1.2-alpha.4	2026-10-02
@limetech/lime-elements	40.5.1	2026-10-02
@progress/kendo-date-math	1.5.17	2026-10-02
alist-web	3.55.0	2026-10-02
@mathjax/mathjax-asana-font	4.1.3	2026-10-02
mealz-components	3.2.8	2026-09-24
bitmovin-player	8.277.0	2026-09-24
typesense-instantsearch-adapter	3.0.2	2026-09-24
@mathjax/mathjax-tex-font	4.1.3	2026-09-24
tdesign-vue-next	1.20.8	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 opinvisindi.is 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
github.com	connect	view source
kiprotect.com	connect	view source
lykilskra.landsbokasafn.is	connect	view source
ngrx.io	connect	view source
openaccess.is	connect	view source
orcid.org	connect	view source
t.landsbokasafn.is	script	view source
wiki.lyrasis.org	connect	view source
www.google-analytics.com	connect	view source
www.google.com	connect	view source
www.googletagmanager.com	connect	view source
www.ibm.com	connect	view source
www.w3.org	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 172) }. 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://www.google-analytics.com/analytics.js	js library	not fetched	2026-10-02	current
https://www.google.com/recaptcha/api.js	js library	not fetched	2026-10-02	current
https://opinvisindi.is/9979.d8d3d4c6e2fd7e2b.js	js	1.8 KB	2026-10-02	current
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https://opinvisindi.is/main.0fe69e0de1ff9daa.js	js	2.6 MB	2026-10-02	current
https://opinvisindi.is/scripts.1e0c0eb208ba0a1c.js	js	339.6 KB	2026-10-02	current
https://opinvisindi.is/polyfills.0988d7b3c57d02e6.js	js	207.7 KB	2026-10-02	current
https://opinvisindi.is/runtime.f8bb66bf65240fb0.js	js	6.9 KB	2026-10-02	current
https://opinvisindi.is/register	html	898 B	2026-10-02	2026-10-02
https://opinvisindi.is/community-list	html	898 B	2026-10-02	current
https://opinvisindi.is/home	html	485.7 KB	2026-10-02	2026-10-02
https://opinvisindi.is/items/5b47c114-e4cc-45e4-b607-f20a489175ea	html	423.8 KB	2026-10-02	2026-10-02
https://opinvisindi.is/	html	493.4 KB	2026-10-02	2026-10-02
https://opinvisindi.is/server/opensearch/search?format=atom&query=*	html	22 KB	2026-09-24	current
https://opinvisindi.is/items/0724ae03-174d-40d3-bc95-182cb81e0116	html	417.7 KB	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

5 pages, 170 files, 9.8 MB; 33 libraries, 0 identifiers, 13 third-party hosts
33 libraries added
- angular 15.2.10
- @formbird/angular-elements 8.5.10
- @everymatrix/player-profile-dashboard 1.21.0
- @recogito/annotorious 2.7.14
- jsonld 9.0.0
- h5p-standalone 3.8.2
- fomantic-ui 2.9.4
- reverie-stt-sdk 0.24.0
- kore-web-sdk 11.28.1
- jquery-ui-dist 1.13.3
- dygraphs 2.2.2
- jquery-ui-bundle 1.12.1-migrate
- and 21 more
13 third-party hosts added
- t.landsbokasafn.is
- github.com
- lykilskra.landsbokasafn.is
- www.google.com
- wiki.lyrasis.org
- orcid.org
- openaccess.is
- www.googletagmanager.com
- www.google-analytics.com
- www.w3.org
- ngrx.io
- www.ibm.com
- and 1 more
170 files added

Questions about opinvisindi.is

How does PageSourceSearch know what opinvisindi.is 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 opinvisindi.is 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 opinvisindi.is?: 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 opinvisindi.is?: 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.