What powers loader.io?
Last seen May 2026 · 31 technologies across 16 categories
Analytics
Chartbeat
since Jun 2018
Google Analytics
since Jun 2018
Hotjar
since Jun 2018
KISSmetrics
since Jun 2018
Segment
since Apr 2018
Caching
Varnish
since Jul 2022
CDN
Cloudflare
since Nov 2021
Fastly
since Jul 2022
Google Workspace
since Aug 2022
Sendgrid
since Aug 2022
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Atlassian Statuspage
since Jan 2023
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since Feb 2022
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Vizury
since Jul 2022
Miscellaneous
HTTP/3
since Jan 2026
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since Aug 2022
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since Jul 2022
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Envoy
since Jan 2026
Security
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since Nov 2021
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since Jan 2026
Tag managers
Google Tag Manager
since Apr 2018
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Play
since Nov 2021
Ruby on Rails
since Jun 2018
Web servers
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| sendgrid | #58 | 130 |
| loader | #5 | 21 |
| load testing | #27 | 11 |
| load testing software | #52 | 7 |
| sendgrid pricing | #70 | 6 |
| load testing service | #2 | 5 |
| load test website free | #3 | 4 |
| load testing website tools | #6 | 3 |
| load testing apis | #9 | 3 |
| free website stress testing | #3 | 3 |
| website stress test tools | #6 | 2 |
| website testing tools | #60 | 2 |
| application load balancer | #68 | 2 |
| online cpu stress test | #79 | 2 |
| load testing web apps | #9 | 2 |
| load testing software free | #6 | 2 |
| free load testing | #5 | 2 |
| free load test website | #5 | 2 |
| free load balancer | #88 | 2 |
| test api endpoint | #36 | 1 |
| the loader | #9 | 1 |
| the loader | #9 | 1 |
| web load | #53 | 1 |
| website stress test tools | #10 | 1 |
| website load testing tools | #11 | 1 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 82% desktop
- 18% phone
Bangladesh
Egypt
United States
India
Brazil
Indonesia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.60 / 10 · ranked #69,090 of all domains
266 referring domains · OpenPageRank
Search traffic
230 est. monthly organic visits (US)
148 keywords in Google's top 30
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| docs.loader.io | 15 |
| support.loader.io | 15 |
| loader.io | 13 |
| www.loader.io | 13 |
Full technology history →
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Recent changes
- dropped OpenResty Mar 2026