What powers main.jp?
Last seen Sep 2026 · 410 technologies across 58 categories
A/B Testing
Convert
since Dec 2024
Google Optimize
since Jun 2021
Advertising
Amazon Advertising
since Jun 2021
AppNexus
since Oct 2018
Criteo
since Aug 2018
DoubleClick Ad Exchange (AdX)
since Aug 2018
DoubleClick for Publishers (DFP)
since Apr 2020
Geniee
since Mar 2026
Google Ads
since Dec 2022
Google AdSense
since Aug 2018
Google Publisher Tag
since Nov 2022
i-mobile
since Mar 2022
ID5
since Jun 2024
Microsoft Advertising
since Sep 2025
PubMatic
since Mar 2019
Rubicon Project
since Feb 2023
TripleLift
since Apr 2023
Twitter Ads
since May 2021
Yahoo Advertising
since May 2022
Advertising Networks
AdRoll
since Jun 2018
Affiliate programs
A8.net
since Jun 2021
AccessTrade
since Sep 2021
Affiliate B
since Dec 2021
Amazon Associates
since Jun 2021
Impact
since Mar 2026
Moshimo
since Sep 2022
ValueCommerce
since Feb 2021
Analytics
Appsflyer
since Mar 2026
Burst
since Feb 2024
Crazy Egg
since Mar 2026
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jun 2018
Hotjar
since Jun 2022
Microsoft Clarity
since May 2021
MoEngage
since Mar 2026
Mouse Flow
since Feb 2025
Quantcast Measure
since Feb 2022
Snowplow Analytics
since Sep 2022
Statcounter
since May 2023
TikTok Pixel
since Sep 2024
VWO
since Mar 2026
Authentication
Facebook Login
since Jun 2021
Google Sign-in
since Feb 2021
LINE Login
since Apr 2022
Linkedin Sign-in
since May 2026
Caching
Super Page Cache
since Jul 2026
WordPress Super Cache
since Aug 2018
WP Rocket
since Apr 2024
wpCache
since Sep 2025
CDN
Alibaba Cloud CDN
since Feb 2025
Amazon CloudFront
since Jan 2023
Bunny
since Aug 2023
cdnjs
since Oct 2021
Cloudflare
since Mar 2022
Cloudinary
since Jul 2024
Google Cloud CDN
since Aug 2023
Google Hosted Libraries
since Feb 2022
ImageKit
since May 2025
jQuery CDN
since Feb 2022
jsDelivr
since Jul 2020
Microsoft Ajax Content Delivery Network
since May 2022
Unpkg
since Jul 2021
CMS
Adobe Experience Manager
since Mar 2024
Jimdo
since May 2019
Joomla
since Dec 2022
Movable Type
since Aug 2018
Squarespace
since Jul 2024
Wix
since Jan 2019
XOOPS
since Aug 2018
Comment Systems
Cookie compliance
Funding Choices
since Dec 2022
Customer data platform
Insider
since Mar 2026
Databases
Documentation
Doxygen
since Nov 2024
Ecommerce
Cart Functionality
since Aug 2020
ColorMeShop
since Oct 2021
EC-CUBE
since Aug 2018
MakeShop
since Sep 2022
Shopify
since Oct 2020
Squarespace Commerce
since Jul 2024
Editors
Font scripts
Cufon
since May 2019
Font Awesome
since Aug 2018
Glyphicons
since Jan 2019
Google Font API
since Aug 2018
Ionicons
since Jan 2021
Twitter Emoji (Twemoji)
since Aug 2018
Typekit
since Mar 2021
Geolocation
ipify
since Oct 2021
Hosting
Sakura Internet
since May 2023
Xserver
since Aug 2022
Hosting panels
Plesk
since Feb 2023
IaaS
Google Cloud
since Aug 2023
Issue trackers
JavaScript Frameworks
JavaScript graphics
JavaScript Libraries
AOS
since Jul 2021
basket.js
since Sep 2020
Boomerang
since Mar 2022
Choices
since Feb 2021
Clipboard.js
since Jun 2019
Closure Library
since Nov 2024
Day.js
since Jun 2021
Flickity
since Aug 2018
Glide.js
since Sep 2026
HeadJS
since Aug 2018
Highlight.js
since May 2022
Instant.Page
since Jun 2024
Isotope
since Jun 2021
Lazy.js
since Sep 2019
LazySizes
since Feb 2022
LazySizes unveilhooks plugin
since Nov 2022
Lightbox
since May 2017
lite-youtube-embed
since Sep 2023
Lozad.js
since May 2022
MobX
since Apr 2020
OWL Carousel
since Dec 2018
Preact
since Mar 2026
prettyPhoto
since May 2019
scrollreveal
since Jan 2020
Select2
since Nov 2021
Selectize
since Nov 2022
Slick
since Jun 2018
Slimbox 2
since Jan 2019
Splide
since May 2025
Swiper
since Sep 2022
Tippy.js
since Aug 2022
web-vitals
since Feb 2025
Live chat
WhatsApp Business Chat
since Jun 2022
Load balancers
Amazon ALB
since Sep 2021
Maps
Google Maps
since Aug 2018
Leaflet
since Sep 2019
Marketing automation
Miscellaneous
Babel
since Mar 2020
Gravatar
since Aug 2018
HTTP/3
since Apr 2023
Open Graph
since Sep 2022
parcel
since Jul 2019
Popper
since Feb 2021
Prism
since Mar 2020
PWA
since Aug 2022
RSS
since Dec 2022
SWC
since Mar 2026
SWFObject
since Aug 2018
Swiper Slider
since Mar 2020
SyntaxHighlighter
since Sep 2020
Vite
since Mar 2023
Webpack
since Aug 2019
Mobile frameworks
jQuery Mobile
since Aug 2018
Operating Systems
CentOS
since Jun 2018
PaaS
Amazon Web Services
since Sep 2021
Page builders
Payment processors
Performance
Priority Hints
since Aug 2022
Photo galleries
Imagely NextGEN Gallery
since Aug 2022
PhotoSwipe
since Sep 2022
Programming languages
Adobe Flash
since Jul 2021
C
since Feb 2023
Java
since Oct 2021
Ruby
since Nov 2019
TypeScript
since Dec 2022
Retargeting
Google Remarketing Tag
since Jul 2021
Reviews
Trustindex
since Aug 2024
Rich text editors
RUM
Search engines
Security
Cloudflare Bot Management
since May 2022
Cloudflare Turnstile
since Feb 2026
HSTS
since Sep 2022
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Jan 2019
Segmentation
Adobe Audience Manager
since Sep 2024
SEO
The SEO Framework
since May 2025
Static site generator
Tag managers
Google Tag Manager
since Jun 2018
UI frameworks
Animate.css
since Aug 2018
Pure CSS
since Jul 2019
Tailwind CSS
since Apr 2022
UIKit
since Oct 2024
ZURB Foundation
since Aug 2018
Video players
Web Frameworks
CakePHP
since Sep 2021
CodeIgniter
since Sep 2021
Material Design Lite
since Jun 2018
Microsoft ASP.NET
since Dec 2023
Ruby on Rails
since Nov 2019
Web Server Extensions
Web servers
Webmail
Google Workspace
since Aug 2022
Widgets
AddThis
since Aug 2018
AddToAny
since Aug 2018
Facebook
since Jun 2018
FlexSlider
since Dec 2018
Google Plus
since Aug 2018
Linkedin
since Jul 2019
Patreon
since Sep 2025
Pocket
since Feb 2023
POWR
since Aug 2022
Shareaholic
since Jan 2023
ShareThis
since Apr 2020
SnapWidget
since Feb 2022
SoundCloud
since Sep 2024
Spotify Widgets
since Dec 2024
Tripadviser.Widget
since Jun 2022
Twitter
since Jun 2018
Wheelio
since Sep 2021
WP Live Visitor Counter
since Nov 2024
Wikis
DokuWiki
since Oct 2022
WordPress plugins
Autoptimize
since Jan 2023
Creativ.eMail
since Nov 2022
Elementor Header & Footer Builder
since Apr 2023
Essential Addons for Elementor
since Jun 2024
Essential Blocks
since Dec 2025
EWWW Image Optimizer
since Feb 2022
GoDaddy CoBlocks
since Mar 2022
GTranslate
since Feb 2022
Gutenberg
since Feb 2022
Jetpack
since Feb 2022
Jetpack Boost
since Jun 2023
Kadence WP Blocks
since Mar 2023
Litespeed Cache
since May 2022
MetaSlider
since Feb 2022
OrbitFox
since Aug 2022
Photo Gallery
since Feb 2022
Polylang
since Oct 2022
Popup Maker
since Mar 2023
RankMath SEO
since Oct 2024
Rich Plugins Reviews
since Apr 2024
SeedProd Coming Soon
since Jul 2026
Shortcodes Ultimate
since Feb 2022
SiteOrigin Page Builder
since Feb 2022
SiteOrigin Widgets Bundle
since Feb 2022
Slim SEO
since Aug 2024
Smart Slider 3
since Feb 2022
Smash Balloon Instagram Feed
since Feb 2022
SuperPWA
since Sep 2025
TablePress
since Feb 2022
The Events Calendar
since Feb 2022
ThemeIsle Menu Icons
since Feb 2022
UltimatelySocial
since Sep 2024
W3 Total Cache
since Aug 2018
Welcart
since Jul 2020
WP Fastest Cache
since Jun 2022
WP Featherlight
since Apr 2023
WP-Optimize
since Dec 2022
WP-PageNavi
since Feb 2022
WPForms
since Jun 2023
WordPress themes
AndersNoren Baskerville
since Feb 2022
aThemes Astrid
since Aug 2022
aThemes Sydney
since Feb 2022
Colorlib Sparkling
since Feb 2022
Colorlib Travelify
since Jun 2022
CyberChimps Responsive
since Nov 2022
ExtendThemes Mesmerize
since Apr 2023
FameThemes OnePress
since Jan 2023
Kaira Vogue
since Aug 2022
LyraThemes Kale
since Aug 2022
Theme Freesia Edge
since Sep 2024
Theme Horse Attitude
since Feb 2022
Theme4Press Evolve
since Aug 2022
Themeansar Newsberg
since Jul 2023
Themegraphy Graphy
since Apr 2023
ThemeGrill Cenote
since Nov 2025
ThemeGrill Flash
since Dec 2024
ThemeGrill Radiate
since Mar 2024
ThemeGrill Spacious
since Feb 2025
Themonic Iconic One
since Dec 2022
Think Up Themes Minamaze
since Jun 2023
Twenty Eleven
since Feb 2022
Twenty Fifteen
since Aug 2022
Twenty Fourteen
since Feb 2022
Twenty Seventeen
since Feb 2022
Twenty Sixteen
since Feb 2022
Twenty Ten
since Jun 2022
Twenty Thirteen
since Sep 2022
Twenty Twelve
since Feb 2022
Twenty Twenty
since Feb 2022
Twenty Twenty-Five
since Dec 2025
Twenty Twenty-One
since Aug 2022
WP-Royal Ashe
since Jul 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
- Aug 2026 *: Restricted (was Allowed)
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 99% desktop
- 1% phone
Japan
Indonesia
United States
China
South Korea
Thailand
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.64 / 10 · ranked #1,423 of all domains
8,061 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.5 MB · 22 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
- xsrv.jp 83 shared
- moo.jp 53 shared
altervista.org 121 sharedsakura.ne.jp 100 shared
- ciao.jp 51 shared
- sch.gr 99 shared
- jpn.org 56 shared
- sub.jp 48 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Infrastructure
- Hosted on GMO Internet (150.95.250.159)
- DNS: Lolipop
- Email: no MX record returned
- Email security: DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 5,190, 11,639 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| fps.main.jp | 35 |
| helpdesk.main.jp | 31 |
| tazawasou.main.jp | 30 |
| hanna.main.jp | 29 |
| hitsugi-books.main.jp | 29 |
| lsu-eng-hokudai.main.jp | 29 |
| photowise.main.jp | 29 |
| 377626c23b3acd23.main.jp | 28 |
| coachingplatform.main.jp | 28 |
| ctr.main.jp | 28 |
| digital.main.jp | 28 |
| ehonmura.main.jp | 28 |
| flat7-fukuoka.main.jp | 28 |
| jieikai.main.jp | 28 |
| zaru.main.jp | 28 |
| ad-agency.main.jp | 27 |
| algo6le.main.jp | 27 |
| datdevelopment.main.jp | 27 |
| figaro.main.jp | 27 |
| makaigames.main.jp | 27 |
| nva-japan.main.jp | 27 |
| pensionuni.main.jp | 27 |
| bariten.main.jp | 26 |
| bondskate.main.jp | 26 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Forms Sep 2026
- detected UltimatelySocial Aug 2026
- dropped WPMU DEV Smush Aug 2026
- detected Super Page Cache Jul 2026
- dropped JW Player Jun 2026
- dropped SoundManager Jun 2026
- dropped Twitch Player Jun 2026
- dropped UltimatelySocial Jun 2026
- detected WPMU DEV Smush Jun 2026
- dropped DataDome Apr 2026
- detected Emotion Apr 2026
- dropped ExtendThemes Highlight Apr 2026
- dropped Pattern by Etsy Apr 2026
- dropped Transcend Apr 2026
- detected Appsflyer Mar 2026
- detected Crazy Egg Mar 2026
- detected Geniee Mar 2026
- detected Impact Mar 2026
- detected Insider Mar 2026
- detected MoEngage Mar 2026
- detected parcel Mar 2026
- detected SWC Mar 2026
- detected VWO Mar 2026
- detected Cloudflare Turnstile Feb 2026
- detected LottieFiles Jan 2026
- dropped Glider.js Dec 2025
- dropped PDF.js Dec 2025
- dropped Plyr Dec 2025
- detected Candid Themes Fairy Nov 2025