Offline.js
JavaScript libraries
Visit github.hubspot.com
Offline.js is a library that automatically alerts users when they have lost internet connectivity.
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6.7k live Offline.js sites, ready to export.
That's how many Offline.js websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Offline.js companies in the United States
Every Offline.js 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 Offline.js sites by traffic
Start with the highest-traffic end of the dataset.
Sites on a .com domain
Limit results to Offline.js websites on .com domains.
Companies with phone numbers
Only sites where an organisation phone number was found.
Complementary Technologies
Offline.js Complementary Technologies
Technologies frequently found with Offline.js.
Most Frequent Complementary Tech
jQuery
6,746
PHP
6,727
MySQL
6,698
WordPress
6,698
Google Hosted Libraries
6,608
jQuery Migrate
6,513
Nginx
4,947
Google Analytics
3,762
WordPress Block Editor
2,832
Contact Form 7
2,331
Live Websites
Websites Using Offline.js
Live sites we caught running Offline.js in the wild, straight from the latest crawl.
| Domain | Server Location | ASN | Crawl Date |
|---|---|---|---|
| takarazuka.page | ๐ฏ๐ต Japan | GMO Internet Group, Inc. | July 27, 2026 |
| ukgwr.com | Unknown | Cloudflare, Inc. | July 27, 2026 |
| andrugby.com | ๐ฏ๐ต Japan | SAKURA Internet Inc. | July 27, 2026 |
| oshigoto.fan | ๐ฏ๐ต Japan | SAKURA Internet Inc. | July 27, 2026 |
| bring-consulting.co.jp | ๐ฏ๐ต Japan | GMO Internet Group, Inc. | July 26, 2026 |
| issin-estate.co.jp | ๐ฏ๐ต Japan | GMO Internet Group, Inc. | July 26, 2026 |
| jennyc.jp | ๐ฏ๐ต Japan | Amazon.com, Inc. | July 26, 2026 |
| mitsucari.com | ๐บ๐ธ United States | Amazon.com, Inc. | July 26, 2026 |
| sencomi.com | ๐ฏ๐ต Japan | GMO Internet Group, Inc. | July 26, 2026 |
| riferimenti.org | ๐ฏ๐ต Japan | Xserver Inc. | July 26, 2026 |
Identifiers
Top Offline.js Identifiers
Who is using Offline.js and where: top five by detected sites.
Technology
jQuery
6,746
PHP
6,727
MySQL
6,698
WordPress
6,698
Google Hosted Libraries
6,608
Language
Japanese
6,423
English
205
Chinese
49
Norwegian Nynorsk
18
Afrikaans
11
ASN
Xserver Inc.
3,392
GMO Internet Group, Inc.
2,077
SAKURA Internet Inc.
720
DigiRock, Inc.
141
Amazon.com, Inc.
122
TLD
com
4,386
jp
1,124
net
500
org
105
info
92
Country
Japan
6,565
United States
83
Unknown
69
Montenegro
17
Germany
8
Deep Dive
Most Frequent Offline.js Identifiers and Complementary Tech
Most frequently encountered identifiers for Offline.js and its complementary technologies.
| Technology | Sites |
|---|---|
jQuery | 6,746 |
PHP | 6,727 |
MySQL | 6,698 |
WordPress | 6,698 |
Google Hosted Libraries | 6,608 |
|
jQuery Migrate | 6,513 |
Nginx | 4,947 |
Google Analytics | 3,762 |
|
WordPress Block Editor | 2,832 |
Contact Form 7 | 2,331 |
Google AdSense | 2,293 |
Swiper | 1,789 |
Twitter | 1,663 |
Gravatar | 1,661 |
Site Kit | 1,568 |
reCAPTCHA | 1,460 |
All in One SEO | 903 |
Apache HTTP Server | 894 |
LiteSpeed | 892 |
Google Tag Manager | 767 |
|
All in One SEO Pack | 745 |
Akismet | 742 |
YouTube | 741 |
AMP | 739 |
EWWW Image Optimizer | 618 |
| Language | Sites |
|---|---|
| Japanese | 6,423 |
| English | 205 |
| Chinese | 49 |
| Norwegian Nynorsk | 18 |
| Afrikaans | 11 |
| German | 9 |
| French | 9 |
| Spanish | 7 |
| Latin | 5 |
| Malay | 5 |
| Portuguese | 5 |
| Welsh | 4 |
| Danish | 3 |
| Korean | 3 |
| Lithuanian | 3 |
| Polish | 3 |
| Russian | 3 |
| Thai | 3 |
| Esperanto | 2 |
| Indonesian | 2 |
| Dutch | 2 |
| Romanian | 2 |
| Tsonga | 2 |
| Vietnamese | 2 |
| Yoruba | 2 |
| Arabic | 1 |
| Bosnian | 1 |
| Hebrew | 1 |
| Mฤori | 1 |
| Norwegian Bokmรฅl | 1 |
| Slovak | 1 |
| Shona | 1 |
| Southern Sotho | 1 |
| Swedish | 1 |
| Tagalog | 1 |
| Tswana | 1 |
| Turkish | 1 |
| Urdu | 1 |
| Xhosa | 1 |
| ASN | Sites |
|---|---|
| Xserver Inc. | 3,392 |
| GMO Internet Group, Inc. | 2,077 |
| SAKURA Internet Inc. | 720 |
| DigiRock, Inc. | 141 |
| Amazon.com, Inc. | 122 |
| Cloudflare, Inc. | 75 |
| Oracle Corporation | 37 |
| GMO GlobalSign Holdings K.K. | 27 |
| KAGOYA JAPAN Inc. | 26 |
| IDC Frontier Inc. | 22 |
| Google LLC | 13 |
| KDDI Web Communications Inc. | 13 |
| NTT PC Communications, Inc. | 11 |
| ARTERIA Networks Corporation | 9 |
| NTT DOCOMO BUSINESS,Inc. | 9 |
| Future Spirits Co.,Ltd. | 6 |
| Alibaba US Technology Co., Ltd. | 5 |
| B2 Net Solutions Inc. | 5 |
| DigitalOcean, LLC | 5 |
| Akamai Connected Cloud | 4 |
| Hostinger International Limited | 4 |
| New Dream Network, LLC | 4 |
| OVH SAS | 4 |
| Hetzner Online GmbH | 3 |
| Microsoft Corporation | 3 |
| BroadBand Tower, Inc. | 2 |
| Cloudflare London, LLC | 2 |
| Enterprise Cloud Ltd. | 2 |
| InMotion Hosting, Inc. | 2 |
| Internap Holding LLC | 2 |
| Internet Vikings International AB | 2 |
| LLP Kompaniya Hoster.KZ | 2 |
| OPTAGE Inc. | 2 |
| Sony Network Communications Inc. | 2 |
| TOKAI Communications Corporation | 2 |
| The Constant Company, LLC | 2 |
| A2 Hosting, Inc. | 1 |
| AS for DATAHOTEL, which is one of iDC in Japan | 1 |
| BEKKOAME INTERNET INC. | 1 |
| BIGLOBE Inc. | 1 |
| Canon IT Solutions Inc. | 1 |
| Contabo GmbH | 1 |
| Datacruz, Inc. | 1 |
| FPT Telecom Company | 1 |
| FRT Inc. | 1 |
| Fastly, Inc. | 1 |
| Free SAS | 1 |
| GoDaddy.com, LLC | 1 |
| Hokuden Information System Service Co.,Ltd. | 1 |
| HostPapa | 1 |
| IONOS SE | 1 |
| Incapsula Inc | 1 |
| Infomaniak Network SA | 1 |
| JSC IOT | 1 |
| KDDI CORPORATION | 1 |
| LG DACOM Corporation | 1 |
| LiquidNet US LLC | 1 |
| Mittwald CM Service GmbH & Co. KG | 1 |
| NETWORK TRANSIT HOLDINGS LLC | 1 |
| NTT SmartConnect Corporation | 1 |
| Namecheap, Inc. | 1 |
| NetActuate, Inc | 1 |
| Neue Medien Muennich GmbH | 1 |
| Otsuka Corp. | 1 |
| Pacific Software Publishing, Inc. | 1 |
| Render | 1 |
| SUPERDATA | 1 |
| SYNAPSE Co.,Ltd. | 1 |
| Signet B.V. | 1 |
| SoftBank Corp. | 1 |
| Sucuri | 1 |
| WHG Hosting Services Ltd | 1 |
| Wow Internet Indonesia | 1 |
| YOTTA NETWORK SERVICES PRIVATE LIMITED | 1 |
| comtrance service GmbH | 1 |
| TLD | Sites |
|---|---|
| com | 4,386 |
| jp | 1,124 |
| net | 500 |
| org | 105 |
| info | 92 |
| tokyo | 68 |
| blog | 65 |
| site | 55 |
| biz | 39 |
| work | 33 |
| xyz | 32 |
| online | 25 |
| cx | 20 |
| club | 17 |
| me | 17 |
| life | 16 |
| fun | 12 |
| space | 9 |
| shop | 7 |
| ac | 6 |
| link | 6 |
| media | 6 |
| website | 6 |
| cc | 5 |
| okinawa | 5 |
| style | 5 |
| tech | 5 |
| br | 4 |
| click | 4 |
| co | 4 |
| de | 4 |
| top | 4 |
| tv | 4 |
| app | 3 |
| design | 3 |
| in | 3 |
| kz | 3 |
| love | 3 |
| ltd | 3 |
| news | 3 |
| pl | 3 |
| pro | 3 |
| salon | 3 |
| world | 3 |
| art | 2 |
| asia | 2 |
| at | 2 |
| ca | 2 |
| company | 2 |
| dev | 2 |
| earth | 2 |
| icu | 2 |
| io | 2 |
| nagoya | 2 |
| nl | 2 |
| one | 2 |
| red | 2 |
| social | 2 |
| studio | 2 |
| works | 2 |
| yoga | 2 |
| ai | 1 |
| ar | 1 |
| bar | 1 |
| be | 1 |
| cafe | 1 |
| clinic | 1 |
| cloud | 1 |
| college | 1 |
| cz | 1 |
| eu | 1 |
| events | 1 |
| fan | 1 |
| fr | 1 |
| gallery | 1 |
| games | 1 |
| guide | 1 |
| help | 1 |
| id | 1 |
| llc | 1 |
| lt | 1 |
| mg | 1 |
| mobi | 1 |
| moe | 1 |
| movie | 1 |
| page | 1 |
| pink | 1 |
| pk | 1 |
| press | 1 |
| promo | 1 |
| pw | 1 |
| recipes | 1 |
| review | 1 |
| ru | 1 |
| ryukyu | 1 |
| so | 1 |
| tw | 1 |
| us | 1 |
| vc | 1 |
| vn | 1 |
| wiki | 1 |
| yokohama | 1 |
| Country | Sites |
|---|---|
| ๐ฏ๐ต Japan | 6,565 |
| ๐บ๐ธ United States | 83 |
| Unknown | 69 |
| ๐ฒ๐ช Montenegro | 17 |
| ๐ฉ๐ช Germany | 8 |
| ๐ง๐ท Brazil | 4 |
| ๐จ๐ด Colombia | 4 |
| ๐ซ๐ท France | 4 |
| ๐ญ๐ฐ Hong Kong | 4 |
| ๐ฐ๐ฟ Kazakhstan | 4 |
| ๐ธ๐ฌ Singapore | 4 |
| ๐น๐ป Tuvalu | 4 |
| ๐ฎ๐ณ India | 3 |
| ๐ฆ๐น Austria | 2 |
| ๐จ๐ฆ Canada | 2 |
| ๐ฎ๐ฉ Indonesia | 2 |
| ๐ฎ๐ช Ireland | 2 |
| ๐ฎ๐ด British Indian Ocean Territory | 2 |
| ๐ณ๐ฑ Netherlands | 2 |
| ๐ป๐ณ Vietnam | 2 |
| ๐ฆ๐ฎ Anguilla | 1 |
| ๐ฆ๐ท Argentina | 1 |
| ๐ฆ๐บ Australia | 1 |
| ๐ง๐ช Belgium | 1 |
| ๐จ๐ญ Switzerland | 1 |
| ๐ฌ๐ง United Kingdom | 1 |
| ๐ฐ๐ท South Korea | 1 |
| ๐ต๐ฐ Pakistan | 1 |
| ๐ท๐บ Russia | 1 |
| ๐ธ๐ช Sweden | 1 |
| ๐น๐ผ Taiwan | 1 |