Technology report · JavaScript library
Lazysizes usage report
Lazysizes, a JavaScript library, was found on 1,353 of the 66,086 websites scanned as of 2026-10-28, a share of 2.0%. Sites that use it lean heavily toward jQuery, PHP and WordPress, and news and media is the largest industry among those with a known sector.
- 1,353websites using it
- 2%of 66,086 scanned websites with a detected technology
- 2026-10-28data date
Among the 361 Lazysizes sites whose industry is known, news and media leads with 66 sites, or 18.3%. E-commerce and retail follows with 37 sites (10.2%), then software and SaaS with 27 sites (7.5%), education with 23 sites (6.4%) and travel and hospitality with 21 sites (5.8%). Examples of sites running it include cyclist.co.uk, marines.co.jp, lilletourism.com, levelset.com and vzaar.com.
The companion technologies are mostly classic web stack components. jQuery appears on 1,031 sites (76.2%), PHP on 946 (69.9%) and WordPress on 865 (63.9%). Cloudflare is present on 657 sites (48.6%) and Google Tag Manager on 645 (47.7%). Yoast SEO shows up on 523 sites (38.7%), which fits the WordPress pattern seen here.
Google Fonts appears on 486 Lazysizes sites (35.9%) and Google Analytics on 476 (35.2%). No version data was collected for this library: the number of sites with a detected version is 0, so this page cannot say which releases are in use.
Industries using Lazysizes
| Industry | Websites | Share of 361 classified |
|---|---|---|
| News and media | 66 | 18.3% |
| E-commerce and retail | 37 | 10.2% |
| Software and SaaS | 27 | 7.5% |
| Education | 23 | 6.4% |
| Travel and hospitality | 21 | 5.8% |
Technologies used together with Lazysizes
| Technology | Websites | Share of Lazysizes sites |
|---|---|---|
| jQuery | 1,031 | 76.2% |
| PHP | 946 | 69.9% |
| WordPress | 865 | 63.9% |
| Cloudflare | 657 | 48.6% |
| Google Tag Manager | 645 | 47.7% |
| Yoast SEO | 523 | 38.7% |
| Google Fonts | 486 | 35.9% |
| Google Analytics | 476 | 35.2% |
Example company websites
cyclist.co.uk, marines.co.jp, lilletourism.com, levelset.com, vzaar.com
FAQ
- How many websites use Lazysizes?
- Lazysizes was detected on 1,353 of the 66,086 websites scanned, which is a 2.0% share. The data is dated 2026-10-28.
- Which industries use Lazysizes most?
- Among 361 sites with a known industry, news and media is largest with 66 sites (18.3%). E-commerce and retail has 37 sites, software and SaaS 27, education 23, and travel and hospitality 21.
- What technologies are commonly used alongside Lazysizes?
- The most common companions are jQuery on 76.2% of Lazysizes sites, PHP on 69.9% and WordPress on 63.9%. Cloudflare (48.6%) and Google Tag Manager (47.7%) are also frequent.
- Which versions of Lazysizes are most common?
- This page has no version breakdown. Versions were detected on 0 sites, so it does not show which releases of Lazysizes are in use.
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