With the increase in big data, there has also been a significant increase in the demand for large-scale web scraping. The fact is that earlier, the art of data scraping was a manual process.
Manual data scraping processes are now obsolete as they are a daunting and time-consuming activity. Since websites have thousands of pages, manually scraping becomes an impossible job.
Many organizations see the immense business value in extracting data from several sources. With its power, they can unlock opportunities and discover new avenues of growing the business.
What are the web scraping challenges?
But this also gives rise to numerous challenges, such as blocking mechanisms. These obstacles drastically increase the web scraping challenges, which can cause major impediments to the people who are getting the data.
Therefore, today we will focus on several challenges in web scraping in detail. So without any further delay, let's start with the article.
- Getting banned
This happens in a case where a normal web scraper bot will continuously send numerous parallel requests per second.
Getting banned might also occur when with an extremely high number of requests because there are chances you might cross over the fine line of ethical and unethical scraping. This will cause a red flag on your request, and ultimately it will get banned.
You can avoid this if the web scraper is smart and has enough resources. Then they can easily handle the countermeasures and always stay on the right side of the law and get what they came for.
- Changing the structure frequently
Websites generally undergo several regular and proper changes to ensure they are up-to-date with the advancements in the UI/UX. They do this to add some improvements made along the way.
While the web scrapers are made, they are not always made to stay updated with the frequent changes. This is a new data scraping challenge, and web scraper faces a difficult time managing the results.
Although not every change affects the scraper design, any substantial change will result in immediate data loss. Hence, professionals suggest keeping a tab on changes.
- CAPTCHA
Completely Automated Public Turing tests to tell Computers and Humans Apart (CAPTCHA) is mainly used by professionals to separate humans from robots by showing images or problems.
For humans, those obstacles are easy to solve. Whereas for web scrapers, these are almost impossible to solve. Several CAPTCHA solvers have found a way to implement bots to ensure non-stopping scrapes.
However, the ways that can overcome the CAPTCHA can also be used to get continuous data. They slow down the scrapping processes by a bit.
- Slow loading speed
Slowing down or long load time is the ultimate result of a website receiving too many access requests at once. This occurs when bots send access requests to the website.
However, humans will generally reload the page and give the website time to recover. Slow load speed is a result because the scrapping is broken, and the scrapper is unaware of how to deal in an emergency.
Several solutions help set up auto-retry options in times of these emergencies to helping solve the issue. These solutions can even execute a custom workflow under preset conditions.
- Real-time data scraping
A business knows the importance of real-time data scraping when it comes to making some important decisions. The ever-changing rates of the stocks and the product prices in the ecommerce section is the main reason for gains or loss for a business.
A more important task is deciding which task is more important. Hence, the scrapper should always inspect the websites and scrape data whenever possible.
This also causes a delay in requesting and delivering the data. Getting hold of such huge data is also a task that is a big obstacle in itself.
- Requiring log in
Some several websites and data need the user to log in first and then access the data. Once the user submits the appropriate log in credentials, the browser will automatically append the cookie value to several user requests on most sites.
This helps the website confirm that you’re the actual user who logged in earlier. Hence, when you’re scraping for data, ensure that the cookies have been previously sent with the necessary requests.
This saves a lot of time, and also, the browser will know for sure that you’re the genuine user with the credentials requesting access to the data.
- Bots
The websites have the complete authority to choose whether or not they will allow web scrapers bots on their websites to scrape the data. Several websites do not allow the bots to scrape the data automatically.
The reason being, most of the time, bots scrape the data with an ulterior motive of getting the data to get competitive gain. They also drain the website's server resources from which they are scraping the data during the process.
This drawing of their sources has a severe effect on the performance and the ability of the website to perform properly.
- Honeypot traps
Honeypot traps are mainly traps set up by the website holder to catch these web scrapers. They achieve this by adding links on their websites that are invisible to the naked eyes but are visible to the scrappers.
Once the scrappers fall prey to the links, the website will utilize the information it receives from the scraper, such as the IP address, and use the information to block it. The websites use several honeypot traps to ensure their data is safe and secured.
- IP Blocking
IP blocking is probably the most common and well-known method that stops web pages from accessing the data from the website. The process is very simple. If a website gets requests from the same IP address multiple times, the IP is then blocked.
Usually, the website blocks the IP, while some websites also restrict the access to break down the scraping process.
Websites use several well-known IP proxy services, such as the Luminati. These proxy services have integrated automated scrappers that save the website and block the IP of such scrapers.
- Dynamic content
Due to the recent advancements, several websites have been applying AJAX that helps in updating the dynamic web content. For example, lazy loading images, infinite scrolling, and getting more information with a click of a button via AJAX calls.
Applying AJAX becomes very convenient for the users, as it helps view more data on the websites. But the only matter is that it is visible for the user and not the scrapers.
Legal risks of web data scraping
If you intend to scrape enormous numbers of data, we must warn you that it is illegal. If you’re requesting data at a normal rate or intervals, it does not bring you any legal issues.
But if your requests rates are more per second, then the high crawl rates will harm the website's servers. In a court of law, such incidents can be misconstrued as a DDoS attack.
However, there is no legal limit on the number of requests per second. But if the number of requests overloads the server, the user responsible for the request will be prosecuted under the law.
Anonymization Deficit
When the user is scraping a considerable amount of data, anonymization will help protect your interest. However, you can also be doing competitor monitoring covering several hundreds of ecommerce websites.
During this time, you'll be needing an infrastructure capable of handling this robust proxy management.
If you have been working with a provider who has a habit of handling the information at a small scale, they might not be able to accommodate the resources that are needed for your size.
In such cases, you cannot have a deficit in your anonymization capabilities. If you do have deficits, then you’re yourself exposing yourselves to several lawsuits.
Wrapping up
These were a few challenges in web scraping faced by organizations. If your business wants to overcome these challenges, then you can explore the potential of custom data scraping solutions offered by us at Wersel. Our data extraction capabilities help you gain crucial insights and achieve a competitive advantage. Connect with us today to know more about our competencies on enterprise and web data scraping.
Website analytics provide insights and data which can be used to create a better user experience for your website visitors.
This measures and analyse data to make a better understanding of user behaviour across various web pages.
Understanding customer behaviour is also key to optimize your website for key conversion metrics.For example, web analytics will show you the most popular pages on your website and the most popular paths to purchase for whoever visits your website and for your customers as well.
It also measures a user’s activity and behaviour on a website, like, how many users visit, how long they stay, how many pages they visit, which pages they visit, and whether they came on your website by clicking on a link or not.
It can also track the effectiveness of your online marketing campaigns to help you provide information about the working of your current and future efforts.
Because of artificial intelligence and machine learning, modern web analytics tools are able to let businesses automate the analysis process with auto-generated and on-demand insights.What is web analytics?Web analytics is the collection, reporting and analysis of website data through server logs or code embedded on webpages.
Data they capture could also include webpage clicks, the device user accessed, geographic location of the visitor and more.Processing data into informationThis step involves transforming data into metrics by making ratios from counts that you obtained during the first step.
Even if this metric is vital for understanding the success of the webpage, it has to be combined with other metrics and information to make actionable insights to develop a marketing or business strategy.
Continuous analytics enables companies to test results of their strategies and make changes accordingly.
For example, A/B testing is used commonly to improve conversions by testing two different designs for a page.What is the source data for web analytics?The power of any analytics product is limited by the quality as well as the diversity of its data sources.
Web analytics usually depends on the following data sources:Visitor dataData captured through javascript code snippets or cookiesDirect HTTP request data: Data sent by a web client (browser) to request a resource such as an image on a webpage.Application-level data sent with HTTP requests: This data is produced and processed by applications like JavaScript, PHP and ASP.Net and includes how a visitor interacts with the web page.
Web analytics tool is the software to improve web site and add more significant options in it.
Whenever a visitor visits the site, web analytics software starts to gather information from visitor’s action.
Web analytics tool can store data according to consumer’s selection history, choices, visit timing and exit timing as well.
These analytic tools are helping website’s owner to optimize the best consumer experience.
A visitor search according to requirement and keywords can eventually lead them to the related site.
A catchy phrase or a simple word related to service and product would be a keyword which helps to increase traffic on site.Monitor Consumer’s Behavior- A consumer’s interest is displayed by the time they spend over the site.
it’s Yoli Chisholm andwelcome to the Yoli Chisholm show whereI talk about marketing past and presentand tools tactics and technology thatI’m excited about and today I want totalk about direct traffic let’s talkabout it[Music]hey so before we get to the show I dowant to mention that if you’d ratherlisten to me on a podcast as younavigate your way through your dayplease do you can reach me at podcastsYoli Chisholm comm and I’m available oniTunes and Spotify look for YoliChisholm so let’s talk about directtraffic before we can go there what weneed to talk about are the threedifferent types of social the first isOpenSocial that is the environment thatwe typically share our content inpublicly when we share on platforms likeFacebook LinkedIn Twitter etc when youshare a link in that environment andsomebody clicks on that link and landson your website typically in your webanalytics it will show as a socialreferral the second type of social isclosed social now clues social typicallyrefers to the environment like FacebookMessenger or whatsapp or an email if youclick a share button and share in any ofthose environments hey New York themetadata is preserved and in your GoogleAnalytics you will be able to see thatthat traffic that was clicked throughthat link even though we’re sharing anemail or shared in a closed socialenvironment is attributed to social thethird area is called dark social now thereason why dark social is so importantfor you seasoned marketers you’re not inyour head you know exactly where I’mgoing with this but for those of you whomight be novice is or who might not beaware of this with dark social which isactually where moof the sharing happens over 80% of allthe social media sharing of our contenthappens in the dark social environmentthis is when you copy and paste a linkand paste it in your in a text and atext message or you paste it in an emailthis is typically when somebody clickson that link and lands on your websiteyour web analytics tool is not able toachieve it it to social so how do youtrack your dark social traffic wellhere’s a tip I’m gonna give you so forthose of you who look at your websiteanalytics on a regular basis you willsee that typically the way it’scategorized whether it’s in GoogleAnalytics or any other analyticsplatform is that you see your directtraffic you see your traffic that camethrough search you see your traffic thatcame through social and other referringlinks direct has typically been definedas the the traffic that came throughpeople just literally typing in yourwebsite URL and typically that has kindof been a a measurement of how well yourbrand is in terms of how you’re growingsort of your brand awareness and yourbrand equity etc if people are able tosort of just know your brand and typedirectly your website directly sometimespeople use that direct traffic metric asa measurement of how well they’re brandawareness is growing the challenge withthat is that actually this is where yourdark social traffic shows up you’llnotice if you click into the directtraffic link in your analytics tool youwill see that indeed there’s sometraffic attributed to your initialdomain so your homepage but you willalso seeif you have been doing inbound marketingand if you have been improving sort ofyour social and gaming engagement withyour content you will see other URLsthat people landed on directly and thisis typically what you would have beenable to attribute to dark social becausewhat it means that is somebody hadessentially shared the link shared thecontent but the metadata that shouldhave attributed it to social did not getpreserved and so the web analytics toolis achieving it to direct and so I don’twant you thinking that your directtraffic is is has that narrow definitionnow you should really and why this isimportant is you know as we do moresocial and as we have to justify doinginbound marketing this is yet anotherway you can sort of make the businesscase and have some semblance of ROI ofyour social and inbound marketinginvestments because you are actuallygetting traffic from social more thanwhat your typical analytics – isactually showing you if you do not knowthis particular nuance about open socialclose social and dark social and it’sconnection to your direct traffic so Ijust wanted to make sure that you aresavvy marketers and you are able to be alittle bit more precise about your youranalytics and your website analytics andthe ROI on the social and contentactivity that you’re doing so I hopethat was helpful I’d love to hear fromsome of you give me a comment and ifthere’s any other nuance that you wantto share withthe rest of the folks please do so I dowant to give you a little bit ofanecdote the folks the that kind ofhelped me to this notion of dark socialwere probably first probably around 2012and I was working with an ad platformthat had this unique technology wherethey were able to target the share graphI won’t mention the ad platform becausethey’ve since rebranded and there weresome shenanigans but their technologywas quite innovative and they had somethey actually have a patent on thistechnology that allows you to retargetthe people who you shared your contentwith who actually clicked through thatcontent because the click and thesharing implies intent and interestright and so they are so not only do youare you able to target the people whosaw your car your addition dishinitially targeted the content too butthey actually those who they then sharedthat content with and ultimately clickedon that contentessentially what they defined is yourshare graph which is the broader yourfriends friends and that’s and and so itwas very interesting so though thatorganization hipped me to this notion ofdark social and I always have to kind ofremind myself of the connection betweena dark social and direct traffic andmake sure that I’m not a over sort ofattributing direct traffic to the workthat we’re doing on the brand side ofthings which has oh you know there’s allkinds of factors that affect your directtraffic growth but I want yoube aware of this one which really shouldbe parsed when you do your analytics andattributed to social I hope that washelpful and if you want to keeplistening to content like this pleasemake sure you connect with me you canlisten to my podcast I’ll put the linkhere or you can listen to me on youtubeyoutube / yoli’s Chisholm or yoliChisholm comm or at Yoli Chisholm on allof your favorite social media networkslet’s talk to you soon[Music]Work with YoliAs the Marketer and Speaker - Yoli is available for Keynotes, panel discussions, podcasts, interviews, guest appearances and more on Modern Marketing, Digital Transformation and the impact of technology in marketing performance management.As the Author - Yoli talks to women, young people and professionals about navigating the corporate world with intention.As the Advisor - Yoli is interested in Advisory roles for Technology businesses BtoC and BtoB where she can provide guidance on growth and go to market strategies.For more, Visit Us: http://www.yolichisholm.com
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