Figure Intelligent Crawler|Dynamic Web Depth Extraction Tool

When crawlers hit dynamic web pages, is your IP okay?

Engaged in data crawling understand, encounter dynamically loaded web pages is like a gopher - clearly see the data in front of the eyes, just want to grab disappeared without a trace. Worse still, the anti-climbing mechanism of the website is getting more and more ruthless, the ordinary crawler just started half an hour, the IP address will be put into a small black room. If you don't have a little skill at this time, the data project is basically yellow.

Dynamic web page three big kill crack

Against dynamically loaded web pages, relying on traditional crawlers can not be enough. Here are three tips for you:
The first trick: JS rendering simulation--Disguise a real person's actions with a headless browser so that the web page mistakenly thinks you're accessing it with a real browser
Tip #2: Interface Reverse Engineering--Directly call the website's hidden API interface, skipping the page rendering session
Tip #3: Traffic Behavior Disguise--Randomly generate mouse trajectories with intervals that incorporate human error.

But no matter which trick you use, IP blocking is an obstacle that you can't get around. At this time, we have to call out our savior--Proxy IP ServiceThe

Proxy IP's Eighteen Wonders

Take the ipipgo home service, they play with proxy IPs with these doors:

To cite a real case: an e-commerce price comparison team with ipipgo's dynamic residential IP, successfully breaking through the anti-climbing system of a platform. The original single IP can only pick 50 pages of data, and now with the IP pool rotation, the amount of daily data picked more than 20 times.

Three Axes of Tool Practice

Here's a recommended self-research tool combo:
1. Data collection layer: Puppeteer+Playwright dual-engine drive
2. IP scheduling layer: connect to ipipgo's API to get fresh IP in real time.
3. Data processing layer: XPath + regular expression hybrid extraction

Watch out for this pitfall when configuring proxies:Don't use free proxies for cheapThe IPs have long been blacked out by major websites. These IPs have long been blacked out by major websites, and using them is tantamount to shooting oneself in the foot. ipipgo's exclusive IP pools are all live residential IPs, and websites simply can't tell if they're being accessed by users or collected by machines.

QA First Aid Kit

Q: Why am I still blocked after changing my IP?
A: 80% of the IP quality is problematic, or the switching frequency is too regular. Try ipipgo's smart IP fusion function, which can automatically identify abnormal traffic switching lines.

Q: Do I need to maintain my own IP pool?
A: Use ipipgo's hosting service on the line, their IP pool is automatically updated every day 15% IP, than their own maintenance is much more worrying.

Q: What should I do if the data of dynamic web page is not loaded completely?
A: First use the browser developer tool to catch the network request and find the real data interface. With ipipgo's request header camouflage function, the success rate can be more than 90%.

Choosing the right tool takes ten years off the road

At the end of the day, dynamic web page collection is a game of offense and defense. The anti-climbing mechanism is upgrading, and our tools must keep up with the times. ipipgo has just recently launched theIntelligent Traffic Obfuscation ModeThe crawler can disguise crawler requests as normal user browsing trajectories, and is pro-tested to work stably under harsh anti-crawler systems.

Finally, a reminder to newcomers: do not just focus on how to write the code, IP resources and collection strategy is the core. This is like going to the river to fish, the mesh is more dense than the fish gathered in the right waters. Use a good proxy IP this tool, data collection this matter will be half.