| Web technologies detected on this domain | 68 technologies |
| Web technologies detected across all harpercollins.com subdomains | 129 technologies |
| Website rank | 6,621 |
| Website Location |  United States |
| Language | English |
| Last technology update | April, 2024 |
| Added technologies in the last 3 months | 6 |
| Dropped technologies in the last 3 months | 2 |
| Total harpercollins.com subdomain count | 19 subdomains |
| Top ranking subdomain | |
| IP Address | 104.18.7.213 |
| IP Lookup | 21 websites share 104.18.7.213 IP address. |
| Autonomous System Number (ASN) | AS13335 (CLOUDFLARENET) |
| Total linking domains | 2,421 domains |
| Total linking IP | 1,125 IPs |
| Certificate Issuer | DigiCert Inc |
| Certificate Expiration Date | November, 2024 (Valid ) |
| Tag Ids | GTM-5J46CG3 |
April, 2024
Facebook: https://www.facebook.com/HarperCollins
Twitter: https://twitter.com/HarperCollins
Instagram: https://www.instagram.com/harpercollins/
| Technology | Technology Type | Version | First detected | |
|---|---|---|---|---|
 Amazon Advertising | Advertising Networks | December, 2023 | ||
| | Social login | December, 2023 | ||
 Boomerang | JavaScript Libraries | December, 2023 | ||
 Bootstrap | UI Frameworks | December, 2023 | ||
 Cart Functionality | Ecommerce | December, 2023 | ||
 cdnjs | Content Delivery Networks | December, 2023 | ||
 Cloudflare | Content Delivery Networks | December, 2023 | ||
| Cloudflare Insights | Real user monitoring | December, 2023 | ||
| Cloudflare Server | Web Servers | December, 2023 | ||
 Crazy Egg | A/B Testing | December, 2023 |
| Technology | Technology Type | Version | Change | Date |
|---|---|---|---|---|
| @popperjs/core | JavaScript Libraries | Dropped | Apr, 2024 | |
 Font Awesome | Font Scripts | Upgrade from 4.4 to 'unknown' | Mar, 2024 | |
 Moment.js | JavaScript Libraries | Added | Mar, 2024 | |
 Offer Schema | Schema | Added | Mar, 2024 | |
| Product Schema | Schema | Added | Mar, 2024 | |
| Loyalty and Rewards | Added | Mar, 2024 |
| Header | Value |
|---|---|
| CF-Cache-Status | DYNAMIC |
| CF-RAY | 86eddb5b4e0208ca-LAX |
| NEL | {"success_fraction":0.01,"report_to":"cf-nel","max_age":604800} |
| powered-by | Shopify |
| Referrer-Policy | origin-when-cross-origin |
| Report-To | {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=wwTlFJrFy%2BNoQIUiaFL3GTwR7%2Bfbw9o1gM9YKKEuBDDrzSYYAuWayKt9%2BEH9vsjGc%2Fj7%2FXN3TtHkgGDnQi8N1eK5DABREBVKaMloK3gxXg4KS3Ouyi2bDlljfEubfCI5V0OmXSkz2A%3D%3D"}],"group":"cf-nel","max_age":604 |
| Server | cloudflare |
| Server-Timing | processing;dur=95 |
| X-Cache | hit, server |
| X-Dc | gcp-us-west2,gcp-us-east1 |
| X-Download-Options | noopen |
| x-envoy-upstream-service-time | 97 |
| x-liquid-rendered-at | 2024-04-04T02:27:00.423693899Z |
| X-Permitted-Cross-Domain-Policies | none |
| X-Request-Id | 9404e7a0-544a-43f6-abee-badf7c0245fc-1712197621 |
| x-robots-tag | none |
| X-ShardId | 33 |
| X-ShopId | 28528214050 |
| x-shopify-checkout-version | checkout-classic |
| X-Shopify-Stage | production |
| X-Sorting-Hat-PodId | 33 |
| X-Sorting-Hat-ShopId | 28528214050 |
| X-Storefront-Renderer-Rendered | 1 |