TeraCrawler Blog

May 25th, 2020

Yelp IP Blocked You Again? Here Is The Final Solution | Teracrawler

Yelp IP blocked you again? Here is the final solution

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May 25th, 2020

Will Your Web Scraper Perform Under These Conditions? Here Is a Checklist | Teracrawler

You will have problems handling large amounts of data. For example, you might be storing all your files in a single folder and, after a few weeks, might have millions of them making managing them a nightmare.

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May 25th, 2020

Will This Code Work? What's Wrong With Most Web Scraping Code | Teracrawler

You will need to handle the incoming data at large quantities, detect the finish of a job, send out alerts, and make data available for download or further consumption in various formats like XML, CSV, or JSON.

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May 25th, 2020

Why I Prefer Creating API Based SAAS | Teracrawler

As a developer, I use a lot of APIs and I dont mind paying for a few if it makes my life easier. Proxies API is a complete API base business, and Teracrawler comes close to one.

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May 25th, 2020

What's the difference between Scrapy, BeautifulSoup, and Selenium | Teracrawler

This should give enough perspective. Scrapy is a much larger system that helps you crawl, scrape, and manage data in various ways. Beautiful soup cannot crawl data. It can take your existing data and allow you to query it in various ways. For example, you can use CSS selectors to get at a particular piece of the HTML like a tag for article headlines. But then, Scrapy has inbuilt support for both CSS selectors and XPATH.

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May 25th, 2020

Web Scraping Don'ts | Teracrawler

DONT be too aggressive on a website. Check the response time of the website first. In fact, at crawltohell.com, our crawlers adjust their concurrency depending on the response time of the domain, so we dont burden their servers too muc

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May 25th, 2020

Web Crawling an Entire Blog | Teracrawler

When you run it now, it will save all the blog posts into a file folder. But if you look at it, there are more than 320 odd pages like this on CopyBlogger. We need a way to paginate through to them and fetch them all.

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May 25th, 2020

Wake Up. Your Web Crawler is Down | Teracrawler

I also had no way of knowing how many URLs I had finished crawling and whether they were successfully fetched and also if they were successfully scraped. I had no way to resume where I left off.

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May 25th, 2020

This Could Be The Most Practical Web Scraping Advice You Will Ever Hear | Teracrawler

Start with one of them. I see many web crawling projects that end up using our service; teracrawler.io makes the same mistake. Their projects hit the place of never-ending complexity because they started off wrong.

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May 25th, 2020

The Best Web Crawling Software: The Must-Have Features | Teracrawler

The crawler, while being intuitive, should be highly customizable as well. We should be able to set the crawl depth, outer limits on the number of pages, decide to crawl or not crawl certain types of pages and content, should be able to download images, pdfs, and other documents selectively.

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May 25th, 2020

TeraCrawler.io vs Scrapy: Which is Better for Web Scraping? | Teracrawler

TeraCrawler is ideal for developers who would like to have control over how they scrape the data but dont want to deal with the setting up and monitoring of resources and pitfalls of the crawling of the data. Scrapy is ideally developers and teams that want full control over everything. It's also useful for small projects which can be quickly set up on a PC and data extracted.

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May 26th, 2020

TeraCrawler.io vs. Scrapinghub: Which is Better for Web Scraping? | Teracrawler

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May 26th, 2020

TeraCrawler.io vs. Parsehub: Which is Better for Web Scraping? | Teracrawler

TeraCrawler is ideal for developers who would like to have control over how they scrape the data but dont want to deal with the setting up and monitoring of resources and pitfalls of the crawling of the data.

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May 26th, 2020

TeraCrawler.io vs. Import.io: Which is Better for Web Scraping? | Teracrawler

TeraCrawler is ideal when you just need to download a large amount of data regularly and be able to set rules like crawling depth, URL patterns to download or block, and the types of files/documents you need to download.

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May 26th, 2020

TeraCrawler.io vs. 80Legs: Which is Better for Web Scraping? | Teracrawler

TeraCrawler is in the business of crawling data efficiently, quickly, predictably and at scale for developers who deal with the problem of large scale web crawling. Its a fully automated SAAS offering for both mid-market to enterprise-grade customers.

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May 26th, 2020

Systematic Web Scraping | Teracrawler

We can see the whole crawling process as a workflow with multiple possible points of failure. in fact, any place where the scraper is dependant on external resources is a place it could and will fail. So 90% of the time spent by the developer is in fixing in bit and pieces these inevitable issues.

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May 26th, 2020

Scraping Wayfair Products with Python and Beautiful Soup | Teracrawler

You will see the whole HTML page. Now, let's use CSS selectors to get to the data we want... To do that, let's go back to Chrome and open the inspect tool.

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May 26th, 2020

Scraping MercadoLibre with Python and Beautiful Soup | Teracrawler

You will see the whole HTML page. Now, let's use CSS selectors to get to the data we want... To do that, let's go back to Chrome and open the inspect tool. We now need to get to all the articles. We notice that the with the class '.results-item.' holds all the individual product details together.

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May 26th, 2020

Scraping Meetup Events with Python and Beautiful Soup | Teracrawler

We notice that all the individual product data are contained in a with the class 'event-listing'. We can extract this with the CSS selector '.event-listing.' easily. So here is how the code looks then.

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May 26th, 2020

Scraping Houzz product images with Python and Beautiful Soup | TeraCrawler

Learn how we can scrape Houzz data using Python and BeautifulSoup in a simple and elegant manner.

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May 26th, 2020

Scraping H

Learn how we can scrape H

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May 26th, 2020

Scraping Groupon with Python and Beautiful Soup | TeraCrawler

Learn how we can scrape Groupon deal information using Python and BeautifulSoup in a simple and elegant manner.

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May 26th, 2020

Scraping Flipkart product data with Python and Beautiful Soup | TeraCrawler

Learn how we can scrape Flipkart data using Python and BeautifulSoup in a simple and elegant manner.

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May 26th, 2020

Scraping Etsy data with Python and Beautiful Soup | TeraCrawler

Learn how we can scrape Etsy data using Python and BeautifulSoup in a simple and elegant manner.

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May 26th, 2020

Scraping Corona Virus data with Python and Beautiful Soup | TeraCrawler

Learn how we can scrape Corona Virus data using Python and BeautifulSoup in a simple manner.

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May 26th, 2020

Scraping Cars.com Product Details with Python and Beautiful Soup | TeraCrawler

Learn how we can scrape Cars.com product details using Python and BeautifulSoup in a simple and elegant manner.

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May 26th, 2020

Scraping Amazon Best-Seller lists with Python and Beautiful Soup | TeraCrawler

Learn how we can scrape Amazon Best Seller Products using Python and BeautifulSoup in a simple and elegant manner.

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May 26th, 2020

Scraping Alibaba data with Python and Beautiful Soup | TeraCrawler

Learn how we can scrape Alibaba data using Python and BeautifulSoup in a simple and elegant manner.

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May 26th, 2020

New to web scraping? Here is a challenge for you | TeraCrawler

Are you new to web scraping? If you want to be a pro then accept the challenge and get started.

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May 26th, 2020

Live your Business Model | TeraCrawler

Live your business model every single day. Here are the business models we have to live from day one.

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May 26th, 2020

List of Free Proxy IP Listing Resources That Do Not Work | Teracrawler

We will ourselves lay the red carpet for you to get into this territory and we will be waiting patiently on the other end once you get it out of your system. We dont mind. We are developers. We know the feeling.

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May 26th, 2020

Lead Generation Through Web Scraping | Teracrawler

We are also passing the user agent headers to simulate a browser call, so we dont get blocked. Now let's analyse the Yellow pages search results. This is how it looks.

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May 26th, 2020

In Defence of The Freemium Model | Teracrawler

For the regular SAAS products, let's say Drift, the usage is pretty much the same, all things being equal, month on month. There are no special months that have dramatically higher or lower traffic that results in fewer or more chats. So it makes sense to go the free trial model for a month and then simply charge.

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May 26th, 2020

Did the IP block Again? Here Is The Final Solution | Teracrawler

They go ahead and implement it. It will probably take a month to do this properly and correctly, especially if you are a novice in web scraping. Then everything goes swimmingly well for a few days or weeks, and as it invariably happens, you get IP blocked!!

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May 27th, 2020

I Could Have Sold TeraCrawler.io To Larry Page | Teracrawler

It's humbling to see him ask some of the most fundamental questions in web crawling.fundamental and innocent with no sign of the potent tech giant that was to be born from this. Imagine being Joseph Millar, the person who answered this simple question.

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May 27th, 2020

How to Scrape Businesses’ Info with Python and Beautiful Soup | Teracrawler

That's, a devastatingly good looking piece of code and we, went through several hoops to get here. Saving it as scrapeNCS.py, we run it.

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May 27th, 2020

How to Scrape HTML Tables into Excel | Teracrawler

You will see the whole HTML page. Now, let's use CSS selectors to get to the data we want... To do that, let's go back to Chrome and open the inspect tool. We now need to get to all the table details. We notice that with the class 'wikitable' holds all the individual table details together.

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May 27th, 2020

How to Run Scrapy as a Stand-Alone Script | Teracrawler

As you can see, we are starting the crawler inside Python code and are passing arguments that we would normally pass from the command line like external filenames and user-agent strings. Let's take a simple scrapy crawler that crawls quotes and see if we can make it run standalone…

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May 27th, 2020

How to Rotate Proxies in Scrapy | Teracrawler

That's it! Now all your requests will automatically be routed randomly between the proxies. You will have to take care of refurbishing proxies that dont work though because the middleware automatically stops using proxies that dont work.

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May 27th, 2020

Get Out of IP Blocks Without Changing Your Code | Teracrawler

It's free forever for up to 1000 requests per month. Enough for small projects, and you get them working reliably fairly quickly. You will need an AuthKey, which you can get at Proxiesapi.com by registering for free. Proxies API is a rotating proxy api.

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May 27th, 2020

Fix Your Web Scrapers with This 15 Point Checklist | Teracrawler

We at Proxies API always say if you want to understand the internet build a web crawler.web scraping tools, web scraping, web scraping api, best web scraping tools, web scraping tools open source

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May 27th, 2020

Facing the Fear That Coronavirus Brings | TeraCrawler

Even if it is not really the truth can we go to the worst-case just as an experiment?

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May 27th, 2020

Do you want to understand the Internet? Build a web crawler | TeraCrawler

One of the web ways to understand how the web works are to try and crawl it. It's no wonder that Google rules the web space.

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May 27th, 2020

Do You Make These 9 Mistakes While Web Crawling? | TeraCrawler

Being smart about web crawling is realizing that it's not about the code. In our experience at Teracrawler developing cloud-based web crawlers at scale, most of the web crawling and web scraping is about controlling these variables.

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May 27th, 2020

Create Web Crawlers That Dont Die on You | TeraCrawler

De-couple the web crawling and the web scraping process. This is because you can then measure and speed up the performance of each of these processes separately.

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May 27th, 2020

Answer to Last Week's Web Scraping Challenge | TeraCrawler

So last week we posted a web scraping coding challenge to see if some of you wanted to test yourself against a real-world web scraping problem. Here is our answer to that problem in a step by step manner.

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May 27th, 2020

An Evolution of a Programmer New to Web Scraping | TeraCrawler

Programmers new to web crawling have a typical progression of maturity that we wanted to document. We did this, our developer friends have done it, our new hires get bullied into not doing it.

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May 27th, 2020

5 Important HTTP Headers You Are Not Parsing While Web Crawling | TeraCrawler

A large part of web crawling is pretending to be human. Humans use web browsers like Chrome and Firefox to browse websites so a large part of web crawling is pretending to be a browser.

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May 27th, 2020

10 Reasons You Dont Think You Need a Rotating Proxy Service | TeraCrawler

Here are some of the thinking patterns we find developers and teams have to fight against and eventually overcome before they come crawling (pun intended) to a third party PAID rotating proxy service.

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