GET eso.org HTTP 200221 ms19.3 KB$0.000304 captured Aug 7, 2026
eso.org, as data
One API turns any eso.org page into markdown, structured JSON, its link graph or a screenshot, and crawls the whole site the same way. The panel shows the real response we captured.
- Render mode
- Plain HTTP, no browser needed
- Response
- HTTP 200 in 221 ms
- Page size
- 19.3 KB of markdown, 290 lines
- Fields
- Business Name, Address, Phone, Category and 2 more
- Captured
- Aug 7, 2026
Free balance on signup, no card. This eso.org page cost $0.000304 to fetch.
European Southern ObservatoryTemporary cookie to check if a visitor’s browser supports cookies (set in Internet Explorer only).Temporary cookie that expires almost immediately after being set.Additional Third-party cookies on ESO websites: some of our pages display content from external providers, e.g. YouTube.YouTube: Some videos on the ESO website are embedded from ESO’s official YouTube channel. We have enabled YouTube’s privacy-enhanced mode, meaning that no cookies are set unless the user actively clicks on the video to play it. Additionally, in this mode, YouTube does not store any personally identifiable cookie data for embedded video playbacks. For more details, please refer to YouTube’s embedding videos information page.Cookies can also be classified based on the following elements.Regarding the domain, there are:* First-party cookies, set by the website you are currently visiting. They are stored by the same domain that you are browsing and are used to enhance your experience on that site;* Third-party cookies, set by a domain other than the one you are currently visiting.As for their duration, cookies can be:* Browser-session cookies, which are deleted when the user closes the browser;* Stored cookies, which stay on the user's device for a predetermined period of time.## How to manage cookiesIn your browser: If you wish to delete cookies or instruct your browser to delete or block cookies by default, please visit the help pages of your browser:* [Firefox](<https://support.mozilla.org/en-US/kb/Blocking cookies>)Please be aware that if you delete or decline cookies, certain functionalities of our website may be not be available and your browsing experience may be affected.What Spider does on eso.org
Same key, five endpoints. The numbers under a cell were measured on this page.
Page to markdown
Clean text for RAG and LLM context, boilerplate removed. The lane that runs without a key.
221 ms · $0.000304Page to JSON
Spider reads the page and names the fields. Pass your own schema when you need exact keys.
Rendered capture
Real Chromium, full-page PNG. The same call also returns the rendered HTML.
The call behind the panel
This request produced the response above. Paste it with your key and you get the same bytes.
curl -X POST https://api.spider.cloud/scrape \
-H "Authorization: Bearer $SPIDER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"url": "https://eso.org/", "return_format": "markdown"}'from spider import Spider
app = Spider()
params = {"return_format": "markdown"}
page = app.scrape_url("https://eso.org/", params=params)
print(page[0]["content"])import { Spider } from "@spider-cloud/spider-client";
const app = new Spider();
const [page] = await app.scrapeUrl("https://eso.org/", {
return_format: "markdown",
});
console.log(page.content);What eso.org costs
Multiplied from the measured 19.3 KB page. Estimates round to the cent.
1 GB of transfer costs $1, plus $0.001 per CPU minute, and failed requests cost $0. Crawling daily? The Unlimited plan is a flat monthly rate.
Point this at the rest of eso.org.
The capture above took 221 ms and cost $0.000304. The same call takes any URL on eso.org.