The digital era has ensured that everyone who works within the bounds of the digital marketing world is familiar with SEO to a certain extent. Its rising popularity has helped SEO gain recognition throughout the online marketing world.
Web Crawler is one of the foremost tools that facilitate the exceptional performance of search engines, which in turn benefits the websites owners and other entrepreneurs. Web Crawler is the backbone of search engines such as Google, Bing, Yahoo, and Baidu. It allows the website to perform at its best. As a user looking for answers on Google, we only see search engines from one perspective, remaining unaware of the workings of how Google presents us with the answers to all our questions with a list of results.
As SEO experts in India, we have created this beginner’s guide to help you understand the basics of web crawlers. Once you have understood it, we can go into detail and see how the web crawlers exactly work.
Web Crawler is known in the SEO industry by many names. It has been called a web spider, the automatic indexer, and web root. It indexes the websites that have allowed crawling and indexing of their websites. Web crawler collects script data on that website and send it to search engines. Google categorises this data, ensuring that users get accurate search results.
Web crawler updates web indices by adding information about other websites’ content. It copies the data about websites’ visited pages so that search engines can process it. The search engine indexes the downloaded pages to facilitate quick search results. Furthermore, it also takes on tasks such as validating the site’s HTML code and checking its links.
Listed below are some of the top crawler-based search engines, along with their respective Web crawling bots.
Web scraping is extracting data from websites. Once collected, the data is exported into a format better understandable to the user. A simple example would be extracting a product list and its prices from online retail software such as Flipkart and Amazon and exporting it into a spreadsheet program such as Microsoft Excel or LibreOffice’s calc.
Instead of manually exporting the data, users prefer to utilize the web scraper tools that perform the extraction for them. These web scrapers are available in various formats. It can be installed on your computer or used online as a browser extension.
Unlike web crawlers, web scraping has nothing to do with SEO. It is basically a data extraction process. These can be used for scraping stock prices, sports stats, store locators, etc.
Further reading: 110+ Actionable SEO Steps To Success
It is a programming script developed by vendors such as Google. The purpose of these crawlers is to collect data and send it to Google. The name crawler comes from the nature of this programming script.
Suppose the web spider is crawling a website, and it comes across a link. In such instances,
This creates a virtual web, aptly describing the workings of a web crawler.
It conducts an inspection of sorts, collects the data, and forwards it to Google. Google top results include the best results from all this collected data. Think of it as a shelf. On the top section of these shelves, Google puts the best books, while the bottom ones are reserved for less relevant results. In order to rank your website on Google, your content has to answer the questions people have. When you satisfy a user, they are bound to return to the website for more information.
Let’s summarise it in simple steps:
Web crawlers are not web scrapers! Web crawling tools incorporate web crawler bots. These tools analyse and audit one or many websites providing a detailed analysis on those websites. We have listed a few things that effective web-crawling tools will help you with:
Digital Marketing enterprises have to always remain on top of the trends, designing landing pages essential for marketing or branding campaigns. These campaign web pages are an example of web pages that don’t have to be crawled.
If you allow the web crawlers to crawl these pages, they can gain access to your campaign strategies. So it is necessary to block crawlers from pages that contain sensitive information. Blocking the web crawlers on some pages will improve the overall web crawling experience by blocking irrelevant and redundant pages.
The no index tag sends web crawlers the message that they are not to include the page in search results. To simply exclude your page from search results, do the following:
For more information on how to effectively block web crawlers, refer to the handy Web crawler blocking guide.
We are going to list some of the industry’s top web crawling tools preferred by SEO experts.
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