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web crawler
What Is a Web Crawler and How Does It Work?

The internet or the World Wide Web is filled with limitless contents and websites. Whenever a user search for a particular term or phrase, the search engine provides a whole list of numerous websites and pages related to that particular keyword but how does a search engine know about the different contents in various different websites? How does it list the websites according to your needs or search queries? Well, this is where a ‘Web Crawler’ comes into action.

What is a Web Crawler?

A web crawler, also known as crawling agent, spider bot, web crawling software, website spider or search engine bot, is a digital bot or tool, which visits the various websites through out the world wide web and index the pages for the search engines. It is the function of the web crawler to learn about almost every content and information that is present on the world wide web so that it can be easily accessed whenever required.

Each search engine has its own version of a web crawler. A search algorithm is applied on the data collected by the web crawler through which search engines are able to provide you with the relevant information you are looking for. Various sources estimates that only 40 – 70% of the publicly available internet is indexed by web crawlers and that’s over billions of pages, so it can be said without a proper crawling application it would be very difficult for search engines to provide you with useful information.

To simplify the concept of web crawlers, let us compare the world wide web with a library. A web crawler is like someone who goes through an entire library and catalogues the books present in an orderly manner so that when readers visits the library, they can easily find what they are looking for.

Some well known examples of web crawlers are – Googlebot, Bingbot, Slurp Bot, DuckDuckBot, Baiduspider, Yandex Bot, Sogou Spider, Exabot and Alexa Crawler.

Read Also: What is Image SEO and How to Optimize Images for Search Engines?


How Does Web Crawlers Work?

The internet is continuously expanding and changing. More and more website are being created and contents are being added so it is not possible to get an exact number of how many websites and pages are available over the world wide web. Web crawlers start their procedure from a list of known URLs, also known as Seed URLs. They will crawl the pages available at those URLs first and then move on with the hyperlinks of other URLs present within those pages. As there are a vast number of web pages present over the internet, the procedure can go on indefinitely however crawlers follow some basic policies to make the procedure more selective.

Relative Importance of a Web page: Like mentioned earlier, crawlers do not exactly go through 100% of the entire publicly available internet. They crawl pages based on the number of other URLs linked to a page, the amount of visitors a page gets and other factors which indicates a page having useful information.

It is likely that a web page, which is being cited by many different pages and getting a lot of web traffic, contains high quality, informative content. So it is important for search engines to have it indexed.

Revisiting Web pages: Web contents are generally updated, removed or moved to new locations so it is important for web crawlers to revisit pages to make sure the new contents are properly indexed.

Robots.txt Protocols: Robots.txt, also known as robots exclusion protocol, is a text file that states the rules for any bot trying to access the hosted website. The rules specifies which pages to crawl and which links to follow. Web crawlers checks for such protocols before crawling any web page.

Read Also: 16 best off-page SEO techniques you must know

Web Crawlers and SEO

SEO or Search Engine Optimization is the process of promoting websites or pages in such ways that it gets indexed so that the pages can rank higher in SERP. For this to happen web crawlers need to crawl the pages so it is important that website owners do not block the crawling tools however, they can control the bots with protocols like Robots.txt  and specify which pages to crawl and which links to follow according to their needs.

image SEO
What is Image SEO and How to Optimize Images for Search Engines?

By now, we are all familiar with the term “website SEO”, as it increases the visibility of a website. You can generate sales, increase your customer base, build an online brand and more, with proper SEO optimization. In fact, to achieve success in this digital world, your business website has to be SEO-friendly. But alongside web content SEO, you also need to know about Image SEO. Therefore, in this article, let us discuss everything about Image SEO and how to optimize images for search engines.

What Is Image SEO?

Image SEO is a process of optimizing your images for search engines with the help of thoughtful captions, appropriate file dimensions, alternative text, and many more. This practice makes your images more visible to search engines. It will provide the SEO boost to make your content visible under relevant search results and increase the overall visibility of your website.

9 Effective Methods To Optimize Images For Search Engines :-

1. Resize The Image

Many people often think that file size and image size are the same. But in reality, there are very different from each other. For instance, image size refers to the resolution of the image and file size is the space required to store it on the hard disk. Generally, images with high resolution require more load time. But losing the quality might not work with your audience. So, you need to find a middle ground.

2. Optimize The Image Name

Selecting the right image name is extremely essential for your website’s SEO. It helps to achieve ranking among image search results. So, before uploading the image file, make sure to rename it with appropriate keywords. It will help to achieve SEO power. We suggest you include relevant keywords and separate them with hyphens.

3. Importance Of Alt Tags

Most viewers don’t need a reference to understand the context of the image. But search engines are no humans. It is not possible for search engines to accurately index the file image without alternative text. Therefore, if you use alt tags, it will provide proper context to your image. In addition, with alternative texts, your image can get a ranking among search results.

4. Image Title Optimization

While working on word press, you’ll notice that the image title is the same as the file name. So, you don’t need to put any extra effort to change. However, in case you’re are not working on word press, or the title fails to explain the file, you need to change it. Replace it with relevant keywords to get effective results.

5. Use Captions

Using captions might not have a direct impact on your website SEO. But unlike alt text and file names, captions are visible on your webpage. So, it helps to enhance the overall user experience. Most internet users often get attracted to an image because of its captions. In fact, image captions can reduce the bounce rate of your website.

6. Images Should Be Unique

If you use stock images, it won’t have a substantial impact on your website search ranking. This happens due to other websites also uses the same images. To put it in simple words, just like your website content, you should also have uniqueness.

7. The Text Should Complement Your Image

This has got to be one of the most integral parts of image optimization. Most businesses upload images with proper text complements. It can have an adverse effect on user experience. So, don’t forget to add relevant text that describes the image perfectly.

8. Include Image Structured Data

If you add structured data to your web pages, the search engines display your image as rich results. In case you don’t know, Google encourages and supports structured data for all kinds of images, recipes, and videos. For more information, you can check out Google Structured Data Guidelines.

9. Include Site Maps

Site maps basically contain the entire map of your web page’s content. So, they are essential for your SEO as they share all the information about the website with search engines. For image mapping, make sure to add URL location, caption, license information, description, title, etc.

Final Words

Image optimization is an integral part of the SEO of your website. It will help you to attract new customers, increase web traffic, and build your online brand. So, while you start the image your image optimization, make sure to keep the above points in mind.

Read Also:- 16 best off-page SEO techniques you must know

The Role of Digital Marketing in Business Development

Nowadays, we are all familiar with the term Digital Marketing. It uses digital platforms such as mobiles, pop-up ads, and many more to market products and services. With affordable internet plans and devices, digital platforms are becoming one of the effective ways to promote products for companies.

In fact, many experts suggest that digital marketing is more effective than traditional marketing methods. Some of the most common methods of digital marketing are email marketing, SEO, influencer marketing, social media, content marketing, and many more. So, in this blog, let us discuss the role of digital marketing in business development.

Return on Investment

The return on investment from traditional methods of advertising such as billboards, TV ads, and newsletters is a bit ambiguous. Fetching accurate data is one of the biggest problems with traditional methods of advertising. But with digital marketing, you will have various tools to measure the progress of your advertisement campaigns. For example, tools like Google analytics can give the data to measure your expenditures and the total revenue collected. So, it helps you to structure the ad campaigns to increase the return on investment.

Gives Your Audience a Benefit

Nowadays, if you want your company to flourish, you need to build an online brand. Several studies show that most customers go through in-depth research before they any products or services. Therefore, with digital marketing, you can reach your target audience and create a personalized connection with them. For example, social media platforms such as Twitter and Facebook can help you build your online brand and increase the sales figure.

Conversion Rates

With any form of marketing, the success story lies in its conversion rates. Since you are spending an amount of money, you want to boost your sales figure through the leads. As we all know, digital marketing strategy is all about analyzing your target audience and structuring the ad campaigns around it. So, when your campaigns are directed towards your target audience only, the possibility of boosting the sales figure also increases. In fact, through digital marketing, you can create a loyal audience base for your products and services.

Budget-Friendly

One of the main advantages of using digital marketing is that you can customize it according to your budget. For example, if a small business decides to spend money on online ads, it has to be structured in a cost-effective way. But don’t worry; it can still produce good results and boost the sales figure. However, with traditional marketing methods, they can be quite expensive for a startup. The digital space gives the companies full freedom to customize and structure their marketing strategies according to their budget.

Market Presence

The whole concept of marketing is to expand your audience base and increase your market presence. Basically, the equation is simple the more market presence you have, the chances of conversion through promotion become higher. Right now, when it comes to creating market presence, digital marketing is best the option to do that. Digital marketing is much more customizable, so companies can use it according to their plan. In addition, you need to work on your online brand in order to create a market presence in today’s market.

Conclusion

Since we are wrapping off, we would like to say that digital marketing is the future of marketing. Therefore, businesses need to acknowledge its power and use it to expand their horizon. So, while you are on it, this article will surely guide you around.

ALSO READ:- Different Types of Digital Marketing Techniques and Their Uses


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