LJ

Download websites that use Lozad.js

1,266 live sites using Lozad.js right now

JavaScript libraries · since 2017 · open source

1K sites Dataset updated · 2026-10-03
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All figures here come from one snapshot of the webatla database, taken on this date (UTC). We usually refresh it every day.
1,266 Sites detected
0.0% Of all websites

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Lozad.js detection is a value inside the Technologies column. Two datasets carry it, switch between them to compare what's included.

webatla-technologies-lozad-js-2026-10-03.jsonl.zst · 1,266 rows · 14 columns Daily fresh export
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zoonovosib.rururuICANNHTTP 20077.222.54.253RU{"vk":["https://vk.com/novosibirsk_zoo"],"telegram":["https://t.me/nsk_zoo"]}2026-09-24Google Analytics UA UA-110966240-1, PHP, Nginx, HTTP/2, Favicon, Lozad.js, 1C-Bitrix, GlobalSign, Google Maps, Google Font API0.000000060929714,110,2662009-10-142026-10-14
ultra-ic.comcomcomICANNHTTP 200104.21.54.12US{"facebook":["https://facebook.com/profile.php?id=61555544767546"],"linkedin":["https://linkedin.com/company/ultra-intelligence-communications"],"instagram":["https://instagram.com/ultra_ic"]}2026-09-20Google Ads AW-401716916, Google Analytics G-HE8ZLKJVLP, Google Tag Manager GTM-KM35T4L4, HSTS, HTTP/3, Favicon, KnowBe4, Umbraco, Lozad.js, hreflang0.000000060798413,865,9342023-05-032027-05-03
ultra-pcs.comcomcomICANNHTTP 20054.76.46.209IE{"linkedin":["https://linkedin.com/company/ultra-pcs"]}2026-09-20Google Analytics UA UA-243081714-1, HSTS, HTTP/2, Favicon, Mailjet, Postman, Typekit, Umbraco, Lozad.js, hreflang0.000000045276912,422,2362016-09-162027-09-16
wakanna.comcomcomICANNHTTP 200216.59.41.29US{"youtube":["https://youtube.com/@akannaglobal"],"facebook":["https://facebook.com/akannaglobal"],"instagram":["https://instagram.com/akannaglobal"],"x-twitter":["https://twitter.com/akannaglobal"]}2026-09-22IIS 10.0, HSTS, HTTP/2, Swiper, Favicon, Lozad.js, jsDelivr, Bootstrap 3.0.3, Microsoft 365, Priority Hints0.00000004133113,439,6042019-01-242027-01-24
……………………………………
DomainTLD suffixTLDDomain typeHTTP statusIP addressCountry by IPSocial networksTechnologies last data checkedTechnologiesDNS last data checkedDNS StatusDNS recordsPR valueHarmonic valueRDAP/WHOIS last data checkedRDAP/WHOIS methodDomain creation dateDomain expiration dateDomain last changedRegistrarRDAP/WHOIS RecordResponse Status RDAP/WHOIS
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Showing 5 of 1,266 rows · Technologies · Full website tech stack per site: CMS, payments, analytics, frameworks.

The Lozad.js dataset

Every site we've detected as running Lozad.js, with version, hosting, country, TLD and traffic rank.

Lozad.js lives inside 2 datasets

Lozad.js detection is part of Technologies (€159/mo) and All data (€599/mo). Buy either to filter the full 1,266-site list, or grab a free preview first.

Your Lozad.js downloads

The datasets you own, sliced to Lozad.js. Every button streams the latest daily export directly.

Format: JSONL (zstd) Dataset updated: 2026-10-03

API, columns & recipes → /account/api

About Lozad.js

Lazy loading is now a browser feature, which makes a dedicated lazy-loading library an interesting thing to find on a site. Lozad.js predates the point at which the native attribute became dependable, and a page still carrying the library is usually a page whose front end was assembled when reaching for a script was the sensible answer, and has not been rebuilt since.

As of October 2026 we record Lozad.js on 1,266 sites in the JavaScript libraries category. The library is tiny, has no dependencies and is published under the MIT licence, so nothing about its presence implies a budget, a vendor or a support contract. What the presence implies is a decision: somebody measured a page, cared that off-screen images were being fetched anyway, and reached for a tool instead of ignoring the problem.

Detection of a JavaScript library this small is the weakest part of the picture, and pretending otherwise would be dishonest. A file under a kilobyte is routinely concatenated into an application bundle, minified past recognition and served from a hashed filename, at which point nothing recognisable is left to match. We find the copies loaded from public CDNs and shipped as identifiable files, and we miss an unknown share of the rest. The count is a floor, and it skews towards simpler builds.

Available since 2017, the library also works as a dating signal for the code around it. Front ends are rarely modernised in isolation, so a site still using a viewport observer wrapper for images is likely carrying a build pipeline, a framework generation and an image workflow from the same period. For anyone selling image optimisation, delivery or performance tooling, the interesting rows are not the sites that already solved the problem well but the ones that solved it once, long ago, and then stopped. A domain-by-domain check cannot separate those two groups. A full export, joined against whatever else each row is running, can.

Frequently asked questions

How many websites use Lozad.js?

webatla detects Lozad.js on 1K websites, refreshed daily, each with its domain, DNS, WHOIS, IP, country and ranking.

Can I download the list of websites using Lozad.js?

Yes, as structured JSONL. Grab a free sample first.

What's included for each site, and how fresh is it?

Domain, DNS, RDAP/WHOIS, the full technology stack, IP & country, PageRank and Harmonic, re-detected and re-exported daily.

How do I find the websites using Lozad.js?

Buy the technology dataset, then download the complete list of domains we detect using Lozad.js, re-exported every day.

What else is in the Lozad.js technology data?

Each row places Lozad.js next to the other technology on the same site, plus DNS, WHOIS, IP, country and ranking.

Can I download just the sites using Lozad.js, or the whole database?

Both. Every site running Lozad.js comes in the Technologies dataset, one downloadable file. Or buy All data for the entire database: technologies plus identity, ranking, DNS and RDAP/WHOIS for every domain, combined in one file. Daily fresh export.

How do I download the list of websites using Lozad.js?

Three steps: (1) grab the free 10,000-row sample to inspect the schema, (2) buy the Technologies dataset, (3) download the full list of every domain we detect running Lozad.js as a JSON Lines file. It is re-exported daily, so you can re-download the freshest list any time inside your access window. Each row carries the domain plus DNS, WHOIS, IP, hosting country and rank.

Get the full list of websites using Lozad.js

Pick the dataset that covers what you need. Each one includes Lozad.js and downloads as JSONL, rebuilt daily.

Technologies 14 columns

Full website tech stack per site: CMS, payments, analytics, frameworks.

€159 / mo
Buy and download Download preview dataset
All data 23 columns

Everything we have, in a single package. The full webatla universe.

€599 / mo
Buy and download Download preview dataset

Want to compare every dataset side by side? Visit the pricing page