# What does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals use? eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals (esky.com) shows public evidence of 47 tools, according to runsonwhat (last checked 2026-11-08). - Industry: Leisure, Travel & Tourism - Size: 201–1,000 employees - Based in: Katowice, Poland - Founded: 2004 - LinkedIn: https://www.linkedin.com/company/esky-pl-sa ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain, DNS records | 2018-09 | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [GrowthBook](https://www.runsonwhat.com/reverse/growthbook) | Flags & Experiments | Website code | | | [SpeedCurve](https://www.runsonwhat.com/reverse/speedcurve) | Monitoring | Website code | | | [PagerDuty](https://www.runsonwhat.com/reverse/pagerduty) | Monitoring | Custom domain | 2025-01 | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | DNS verification records | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Google Ad Manager](https://www.runsonwhat.com/reverse/google-ad-manager) | Ads & Pixels | Website code, Website config | | | [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website config | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Google AdSense](https://www.runsonwhat.com/reverse/google-adsense) | Ads & Pixels | Website code | | | [Criteo](https://www.runsonwhat.com/reverse/criteo) | Ads & Pixels | Website config | | | [Magnite](https://www.runsonwhat.com/reverse/magnite) | Ads & Pixels | Website config | | | [PubMatic](https://www.runsonwhat.com/reverse/pubmatic) | Ads & Pixels | Website config | | | [OpenX](https://www.runsonwhat.com/reverse/openx) | Ads & Pixels | Website config | | | [Amazon Publisher Services](https://www.runsonwhat.com/reverse/amazon-publisher-services) | Ads & Pixels | Website config | | | [Index Exchange](https://www.runsonwhat.com/reverse/index-exchange) | Ads & Pixels | Website config | | | [Sovrn](https://www.runsonwhat.com/reverse/sovrn) | Ads & Pixels | Website config | | | [TripleLift](https://www.runsonwhat.com/reverse/triplelift) | Ads & Pixels | Website config | | | [Sharethrough](https://www.runsonwhat.com/reverse/sharethrough) | Ads & Pixels | Website config | | | [Taboola](https://www.runsonwhat.com/reverse/taboola) | Ads & Pixels | Website config | | | [Teads](https://www.runsonwhat.com/reverse/teads) | Ads & Pixels | Website config | | | [Outbrain](https://www.runsonwhat.com/reverse/outbrain) | Ads & Pixels | Website config | | | [Kit](https://www.runsonwhat.com/reverse/convertkit) | Marketing | Website code | | | [Ada](https://www.runsonwhat.com/reverse/ada) | Support & Docs | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [reCAPTCHA](https://www.runsonwhat.com/reverse/recaptcha) | Security & Compliance | Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | Email records | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records | | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Usercentrics](https://www.runsonwhat.com/reverse/usercentrics) | Security & Compliance | Website code | | | [Notion](https://www.runsonwhat.com/reverse/notion) | Collaboration | DNS verification records | | | [Docker](https://www.runsonwhat.com/reverse/docker) | Dev Tools | DNS verification records | | | [CERT Polska](https://www.runsonwhat.com/reverse/cert-polska) | Security & Compliance | DNS verification records | | ## FAQ ### What tools does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals use? As of November 2026, runsonwhat has found 47 tools at eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals (esky.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Akamai. Application: React, Tailwind CSS and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked November 8, 2026. ### What cloud does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals run on? eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on esky.com. Amazon Web Services is used by 147,453 companies runsonwhat tracks. ### What email provider does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals use? eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 734,122 companies runsonwhat tracks. ### What does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals use for customer support? eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals uses Ada for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Ada through Ada code on esky.com. Ada is used by 258 companies runsonwhat tracks. ### What analytics tools does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals use? eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on esky.com. Google Analytics is used by 903,928 companies runsonwhat tracks. ### What marketing software does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals use? eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals uses Kit for marketing, according to runsonwhat (November 2026). runsonwhat found Kit through Kit code on esky.com. Kit is used by 4,193 companies runsonwhat tracks. ### How long has eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals used Akamai? eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals has used Akamai since at least September 2018, going by the first public certificate of the esky.com subdomain that points at Akamai. Other long-running tools at eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals include PagerDuty (since January 2025). ### Does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals use Cloudflare? Yes. runsonwhat found Cloudflare at eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals through Cloudflare code on esky.com. Cloudflare is a CDN & Edge tool used by 733,149 companies runsonwhat tracks. ### Does eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals use AI tools? Yes. runsonwhat has found Anthropic at eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals may use more AI tools than these. ### Which companies have a tech stack similar to eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals's? The companies with the stacks most like eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals' are eSky.ro - eSky.ro - Bilete de avion, City Break, Vacanţe, eSky.md - eSky.md - Bilete de Avion, Hoteluri, Închiriere mașini, Asigurări, Thomas Cook Tourism (UK) Company and eSky.pl, according to runsonwhat (November 2026). Each shares 26 to 41 tools with eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals uses? runsonwhat reads public records only. Of the 47 tools at eSky.com - eSky.com - Flights, Air Tickets, Flight Search, Deals, 20 were found through code on esky.com, 13 through website configuration files, 8 through DNS records, 4 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and esky.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/esky.com (updated November 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.