Speculative Loading 1.x icon

Speculative Loading 1.x

WordPress plugins Performance Visit wordpress.org

Performance plugin from the WordPress Performance Team, which adds support for the Speculation Rules API, by which certain URLs are dynamically prefetched or prerendered based on user interaction.

Lead List Exporter

37.3k live Speculative Loading 1.x sites, ready to export.

That's how many Speculative Loading 1.x websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

Open the Lead List Exporter
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Speculative Loading 1.x companies in the United States

Every Speculative Loading 1.x website we detected in the US.

Companies with personnel emails

Only sites where a personal, company-hosted email was found.

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 Speculative Loading 1.x sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to Speculative Loading 1.x websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

Create your own
Complementary Technologies

Speculative Loading 1.x Complementary Technologies

Technologies frequently found with Speculative Loading 1.x.

Speculative Loading 1.x Versions
VersionSites
1.6.032,176
1.5.02,674
1.4.0636
1.3.089
1.1.032
1.2.013
Most Frequent Complementary Tech
WordPress 37,241
PHP 37,239
MySQL 37,201
jQuery 29,650
Performance Lab 25,240
jQuery Migrate 24,042
Modern Image Formats 22,178
Image Placeholders 19,920
Optimization Detective 19,355
Google Analytics 19,099
Live Websites

Websites Using Speculative Loading 1.x

Live sites we caught running Speculative Loading 1.x in the wild, straight from the latest crawl.

DomainServer LocationASNCrawl Date
car4ar.org๐Ÿ‡บ๐Ÿ‡ธ United StatesThe Constant Company, LLCJuly 28, 2026
4idiotz.com UnknownCloudflare, Inc.July 28, 2026
haug-schoettle.de๐Ÿ‡ฉ๐Ÿ‡ช GermanyStrato GmbHJuly 28, 2026
textual.cl๐Ÿ‡ฉ๐Ÿ‡ช GermanyHostinger International LimitedJuly 28, 2026
fitocose.it๐Ÿ‡ฎ๐Ÿ‡น ItalyCloudflare, Inc.July 28, 2026
hgh.bar UnknownCloudflare, Inc.July 28, 2026
crafthealth.com๐Ÿ‡บ๐Ÿ‡ธ United StatesOracle CorporationJuly 28, 2026
mboahits.com๐Ÿ‡บ๐Ÿ‡ธ United StatesOracle CorporationJuly 28, 2026
repcourier.com UnknownCloudflare, Inc.July 28, 2026
spotlergroup.com UnknownCloudflare, Inc.July 28, 2026
Identifiers

Top Speculative Loading 1.x Identifiers

Who is using Speculative Loading 1.x and where: top five by detected sites.

Technology
WordPress 37,241
PHP 37,239
MySQL 37,201
jQuery 29,650
Performance Lab 25,240
Language
English 18,706
German 2,885
French 2,720
Spanish 1,856
Portuguese 1,329
ASN
Cloudflare, Inc. 6,248
Hostinger International Limited 3,654
DigitalOcean, LLC 1,802
The Constant Company, LLC 1,706
IONOS SE 1,465
TLD
com 17,907
de 2,012
org 1,415
fr 1,295
uk 1,211
Country
United States 7,138
Unknown 6,164
Germany 3,401
France 2,492
United Kingdom 1,802
Deep Dive

Most Frequent Speculative Loading 1.x Identifiers and Complementary Tech

Most frequently encountered identifiers for Speculative Loading 1.x and its complementary technologies.

TechnologySites
WordPress37,241
PHP37,239
MySQL37,201
jQuery29,650
Performance Lab25,240
jQuery Migrate24,042
Modern Image Formats22,178
Image Placeholders19,920
Optimization Detective19,355
Google Analytics19,099
Embed Optimizer17,779
Site Kit17,399
Enhanced Responsive Images16,411
Image Prioritizer16,341
HTTP/315,934
Yoast SEO15,759
WordPress Block Editor13,909
Performant Translations13,525
Elementor11,974
Apache HTTP Server11,928
LiteSpeed9,804
Google Tag Manager9,625
Cloudflare8,956
Nginx7,714
Web Worker Offloading7,508