Friday, 22 October 2021

The method of outsourcing an enterprise's processing and storage capabilities to a service provider that provides its networking services in a utility model is cloud hosting.

The cloud vendor supervised the setup, cloud storage, protection and management, while customers will configure hardware and applications and scale servers online. Computing and storage services are dispersed in a cloud computing configuration through hundreds of virtual machines according to the load balance I / O demand.

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A cheaper alternative to the conventional dedicated server model that allows enterprises to develop and maintain their own data centers is the cloud storage model. Servers with dedicated hardware

and virtual infrastructure exist on-premises throughout the conventional model, which can be an expensive operational cost for organizations.

Cloud hosting benefits

Cloud infrastructure provides companies with substantial financial and operating benefits, so they don't have to invest a lot in the actual direct cost of capital associated with data center acquisition and maintenance. IT also has the potential to scale more quickly, using only the services they need and paying for them. Moreover, long-term data storage becomes a more streamlined process, avoiding the expensive storage of discs and tape systems.

Data security advantages such as fast performance and disaster recovery are gained by utilizing cloud hosting services. Many companies use a hybrid model that combines on-site processing and storage capabilities with computation and storage in a cloud service framework.

Flexible and more cost-efficient scalability in developing apps, websites and other resources is one of the key advantages of using cloud computing services. As consumers are able to scale as needed, they are only paid for the facilities they use and do not pay for any unused facility. This payment system makes the cloud hosting a comparatively inexpensive storage process.

Although there are many advantages, it has some limitations also. Cloud protection challenges have attracted more interest as the pace of cloud adoption has increased. With data escaping the business data center, companies run the risk of fraud and degradation of intellectual property, violations of enforcement, lack of control into rogue workers' activities, and confidentiality breaches.

High supply, recovery point objective and recovery time objective (RTO) are additional factors to consider.

Top vendors/providers

As a technology model, cloud computing systems have fuelled a growth in the infrastructure under which a third-party vendor, usually with a pay-per-use system, provides a customer with the hardware, applications, servers, storage and networking facilities.

Amazon Web Services , the Google Cloud Portal, IBM Cloud and Microsoft Azure are common providers who offer cloud hosting. AWS, which provides comprehensive storage facilities and more areas and zones than most cloud vendors, is the leading competitor in the market. In recent years, Azure and Google have gained momentum.

AWS, along with Amazon Easy Storage Solution and Amazon Glacier for servers, provides the Elastic Compute Cloud to handle computing resources. For the enterprise, Google has the Google Compute Engine and Google Cloud Storage. Azure Virtual Machines and Azure Virtual Machine Scale Sets are supported by Microsoft Azure, and blob, log, and queue data are included in its data. A common cloud service is Microsoft Office 365.

Wednesday, 20 October 2021

Magento: Magento is a powerful open-source e-commerce web application written in PHP. It was developed by Magento, inc 31 march 2008. Magento was built using Zend framework, it uses the entity attribute value(EAV) database model to store value and there is only free version available by the an Magento community edition. Magento provides the power to manage e-commerce stores by providing incorporate working with resources like categories, products, and sales orders. Magento is a highly flexible and customizable framework.

WordPress: WordPress is a free open-source framework developed by Matt Mullenweg 27 May 2003. It is based on a Content management system(CMS) written in PHP and created primarily in PHP MySQL, JavaScript. It is used for creating a dynamic website with the help of pre-installed plugins. WordPress has thousands of the plugin that is highly customizable and WordPress include PHP, MySQL, HTML, CSS, JavaScript for developing a website. WordPress core and plugin are written in PHP. MySQL Database is used for storing website information. HTML is used for building the basic structure of your website and CSS is used for the visual styling of the website. JavaScript is used for action and interactivity.

Magento Hosting,  WordPress Hosting, Web Hosting, Compare Web Hosting, Web Hosting Reviews

Difference Between Magento and WordPress:

Magento WordPress 
Magneto is developed for creating online-commerce stores. WordPress is used to create blogs, business websites and simple online stores using third-party plugins.
Magento has a more complex installation process.  WordPress is easy to install and easy to use as CMS.
Magneto has advanced data protection. WordPress has Basic data protection. 
In Magento, build-in tools for basic and advanced SEO optimization.  In WordPress, for SEO use a third-party plugin.
Magento is larges comprised of CMS pages. It is created from posts and pages.
It is more secure as compared to WordPress. It is less secure as compared to Magento.
It Includes Marketing, Promotions, Search Engine Optimization (SEO), Site Management, Catalog Management, Catalog Browsing, Product Browsing, Checkout, Payment, Shipping, and Order Management. It Includes Simplicity, Flexibility, Publish with Ease, Publishing Tools, User Management, Media Management, Full Standards Compliance, Easy Theme System.

Monday, 18 October 2021

Web Servers Work, Web Hosting Review, Web Hosting, Compare Web Hosting, Server Hosting


The Internet acts as a source of plethora of information to us and all we need to do, if we want any information is to just query the internet and then we will get the desired response.

But who provides this information to us and how? All this is facilitated by what is called as the Web Server. Along with it there are browsers as applications which we use such as Internet Explorer, Mozilla Firefox, Chrome, Safari etc to interact with the web and browse & retrieve the files on web server known as Web Clients.

Web Servers are basically simple computer programs that dispense the web page when they are requested using the web client. The machines on which this program run are usually called as a server, with both the names web server and server almost used interchangeably.

Generally, many people, when they think of web servers, they think of them being some high-powered computers, while this is correct to some extent, as some high-powered computers are also called as web servers, but these computers are built with the purpose of web hosting . In web hosting, the web servers enable the hosting providers to handle multiple domains (or multiple websites) on a single server. But, normally, when someone refers to a web server, it means the piece of software that can be downloaded on the computer system.

When is web server required?

Generally, web servers are used by web hosting companies and professional web app developers. But, actually anyone who satisfies one of the below category can use it-

◉ One who owns a website (to make the local copy on their system resemble what is on internet).

◉ One who wants to use server-side technologies, such as, PHP or ColdFusion, can also use the web server.

How Web servers work?

A page on internet can be viewed, when the browser requests it from the web server and the web server responds with that page. A simple diagrammatic representation of this is as given below in the figure:

Web Servers Work, Web Hosting Review, Web Hosting, Compare Web Hosting, Server Hosting

Simple process consists of 4 steps, they are:

1. Obtaining the IP Address from domain name: Our web browser first obtains the IP address the domain name (for e.g., for this page the domain name is www.geeksforgeeks.org) resolves to. It can obtain the IP address in 2 ways-

◉ By searching in its cache.
◉ By requesting one or more DNS (Domain Name System) Servers.

Note: Any website is assigned an IP address when it is first created on web server.

2. Browser requests the full URL: After knowing the IP Address, the browser now demands a full URL from the web server.

3. Web server responds to request: The web server responds to the browser by sending the desired pages, and in case, the pages do not exist or some other error occurs, it will send the appropriate error message.

For example:

You may have seen Error 404, while trying to open a webpage, which is the message sent by the server when the page does not exist.

Another common one is Error 401 when access is denied to us due to incorrect credentials, like username or password, provided by us.

4. Browser displays the web page: The Browser finally gets the webpages and displays it, or displays the error message.

Popular Web Servers


There are quite a few web servers available, like, Apache, Microsoft IIS, Nginx Web Server, LightSpeed Web Server. But, the two most popular ones are-

1. Apache HTTP Server: It is the most popular web server available and is widely used. It is developed and maintained by Apache Software Foundation. The Software is produced under the Apache Licence, which makes it free and open source.

It is available for a variety of operating Systems- Windows, Mac OS X, Unix, Linux, Solaris, Novell Netware and FreeBSD.

2. Microsoft Internet Information Service: Microsoft IIS (Internet Information Service) is the second most popularly used web server, and its market share is increasing quite rapidly with each passing day and is likely to overhaul Apache in the upcoming years.

IIS server has all the features just like Apache, but it is not open source. It is developed, and maintained by Microsoft, thus it works with all the Windows operating system platforms.

Summarizing it all, web servers can be used by an individual or by web hosting provider companies. In case an individual does so, he will be locally hosting the website only on his own system (i.e., the contents of the website can be accessed only on the local system and not on any other system), whereas when hosting provider companies hosts them, the website can be viewed by anyone across the globe. An individual can also host his website publicly with his web server, but for that one must have leased line internet connection (to get a dedicated IP address) and a DNS server to connect it with the domain of website (generally not preferred due to security reasons).

Source: geeksforgeeks.org

Friday, 15 October 2021

1. Web Scraping :

Web Scraping is a technique used to extract a large amount of data from websites and then saving it to the local machine in the form of XML, excel or SQL. The tools used for web scraping are known as web scrapers. On the basis of the requirements given, they can extract the data from any website in a fraction of time. This automation of tasks is very helpful for developing data for machine learning and other purpose. They work in four steps: 

1. Sending the request to the target page.

2. Getting response from the target page.

3. Parsing and extracting the response.

4. Download the data. 

Some of the popular web scraping tools are ProWebScraper, Webscraper.io, etc. 

2. Web Crawling :

Web Crawling is analogous to a spider crawling but the place of crawling here is the web!. It basically visits a website and read web pages for the purpose of building entries for search engine index. The tools that are used for web crawling are known as web crawlers or spiders. A series of web pages are analyzed and links to the pages on them are then followed for even more links thus it does a deep search for extracting of information. Famous search engines such as Google, Yahoo and Bing do web crawling and use this information for indexing web pages. Examples are Scrapy and Apache nut. 

Web Scraping, Web Crawling, Web Hosting, Web Hosting Reviews, Compare Web Hosting

Difference between Web Scraping and Web Crawling: 

Web Scraping Web Crawling 
The tool used is Web Scraper.  The tool used Web Crawler or Spiders.
It is used for downloading information  It is used for indexing of Web pages 
It need not visit all the pages of website for information.  It visits each and every page, until the last line for information. 
A Web Scraper doesn’t obey robots.txt in most of cases.  Not all web crawlers obey robots.txt. 
It is done on both small and large scale.  It is mostly employed in large scale. 
Application areas include Retail Marketing, Equity search, and Machine learning.  Used in search engines to give search results to the user. 
Data de-duplication is not necessarily a part of Web Scraping.  Data de-duplication is and integral part of Web Scraping. 
This needs crawl agent and a parser for parsing the response.  This only needs only crawl agent. 
ProWebScraper, Web Scraper.io are the examples  Google, Yahoo or Bing do Web Crawling 

Source: geeksforgeeks.org

Friday, 1 October 2021

Web Server: Web Server, as the name suggests, is a server software where web content is stored and uses HTTP protocol and other protocols to respond to user requests that is being made over WWW. Its main function is to display the content of the website through storing, processing, and delivering webpages within the website to users.  

Example: Apache, NGINX, Microsoft Internet Information Services (IIS), etc. 

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Mail Server:
Mail Server, similar to the post office, is a computer system program responsible for receiving, routing, delivering e-mail. It is also known as MTA (Mail Transfer Agent) and store incoming mail for distribution to users and deliver e-mail to client computers.  

Example: Yahoo!, Gmail incoming mail server, Gmail outgoing mail server, etc.  

Web Server vs Mail Server

Web Server Mail Server 
Web servers basically handle, manage, and run one or more websites.   Mail Servers basically handle, manage, and delivers e-mail over the internet.
It delivers content for website to user or visitor that wants it same as a web browser.   It delivers and receive email messages same as post office. 
Its main objective is to display website content through storing, processing and delivering web pages to users or visitors.   Its main objective is to act as virtual post office and make communication possible between various employees of organization or business or company. 
It is important for users to view website because without web server, users won’t be able to have access to content of websites at all. It is important for users to store their documents, files and videos in cloud storage. 
Types of web servers include Apache HTTP server, Jigsaw server, LiteSpeed Web server, etc.  Types of mail server include POP3 mail server, IMAP mail server, SMTP mail server, etc. 
Its main function is to host website and distribute web pages as they are requisitioned.  Its supports e-communication, content and file sharing, etc. 
It follows a network protocol known as HTTP (Hyper Text Transfer Protocol).  It follows SMTP (Simple Mail Transfer Protocol).

Source: geeksforgeeks.org

Wednesday, 29 September 2021

Native Apps: Native apps are installed onto the device itself and are developed especially for a particular mobile operating system. These apps are available on app stores such as Apple App Store, Google Play Store, etc.

Native apps work in specific mobile operating systems such as Apple iOS or Android OS. If an app made for Android OS then it will not work on Apple iOS or Windows OS. We have to build separate apps for each operating system if we want to work our app across all major operating systems. This means we have to spend more money and more effort (time, resources).

Advantages of Native Apps:

◉ Native apps are faster than web apps.

◉ Native apps can access system/device resources such as a GPS or camera.

◉ These apps can work without an internet connection.

◉ These apps have more safety and security than web apps, as native apps must be approved by the App Store.

◉ These apps are easier to develop due to the availability of developer tools, interface elements, and SDKs.

Disadvantages of Native Apps:

◉ These apps are more expensive to develop as compared to web apps.

◉ Designing and building the app for different platforms such as iOS and Android, is costly and time taking.

◉ Maintaining and consistently update of native apps cause more cost.

◉ It is difficult to have a native mobile app approved by the App Store.

Web Apps: Web Apps can be accessed through the mobile device’s Web browser, Web Apps are based on internet-enabled applications. In order to access we don’t need to download and install the app onto a mobile device.

The app is developed as web pages in HTML and CSS, interactive parts are developed in JQuery, JavaScript, or similar language. The single web app can be used on most devices capable of surfing the web, it does not depend upon the operating system they use.

Advantages of Web Apps:

◉ Web apps function in-browser, so we do not need to be installed or downloaded.

◉ Web apps are easy to maintain, as they have a common codebase regardless of the operating system.

◉ These apps can be set to update themselves or automatically.

◉ Web Apps easier and faster to build than native mobile apps.

◉ In Web Apps App store approval is not required, so web apps can be launched easily.

Disadvantages of web apps:

◉ Web Apps do not work without an internet connection.

◉ Web apps work slower than mobile apps.

◉ It is difficult to discover web apps since they aren’t hosted in a specific database like an app store.

◉ Web apps have higher risks and poor quality, and there is no guarantee of security since web apps don’t need to be approved by the app stores.

Native Apps and Web Apps, Web Hosting, Web Hosting Reviews, Compare Web Hosting

Difference Between Native Apps and Web Apps: The designs are similar and follow the same color scheme and fonts, but these are essentially two different products. 

Native Apps Web Apps 
Mobile apps are developed for a specific platform, such as iOS for the Apple iPhone or Android  On the other hand, Web Apps are accessed via the internet browser and will function according to the device you’re viewing them on
They are downloaded and installed via an app store such as Google Play Store and Apple Store and have access to system resources, such as GPS and the camera of the device.  Web apps are not native to a particular system and there is no need to be downloaded or installed. 
Mobile apps may work offline. 

In order to run web apps need an active internet connection.

Native Apps are comparatively faster. 

Web Apps are comparatively slower. 

It is difficult to have a native mobile app approved by the App Store.  In Web Apps App store approval is not required, so web apps can be launched easily. 
Native apps have more safety and security.  Web apps have comparatively low security. 
Maintaining and consistently update of native apps cause more cost.  These apps can be set to update themselves or automatically. 

Friday, 24 September 2021

There is a popular phrase which many of us hear frequently, “Old is Gold”.  The Internet has evolved so much from waiting minutes to connect to the Internet using a DialUp modem to downloading megabytes of information at the same time. In a similar way, handing and managing content on the website also changed. We have moved from HTML and CSS in the 1990s to Content Management systems in the 2000s like WordPress. Even now WordPress is popular but developers are moving to a new stack called JAMStack. This article helps you choose a JAMStack provider according to your project needs.

Jamstack or Static Site Hosting, Web Hosting, Web Hosting Review, Compare Web Hosting

What is JAMStack?


If you are trying to choose a better hosting provider you might be already aware of what JAMStack is, even if not here is a basic introduction of JAMStack. JAM stands for JavaScript APIs and Markup. JAM stack is a modern website architecture based on Client-Side JavaScript, reusable APIs, and prebuilt Markup. JavaScript along with APIs provides Dynamic content for the website. Markup helps to generate a website from source files such as markdown files, HTML templates, and CSS using a Static Site Generator like Jekyll, Gatsby, Hugo, and more. The most popular reasons for the adaptation of JAMstack by developers are: Faster performance because there is no server-side rendering and most of the HTML already pre-built, Webpages load faster using CDN. Since there is no server to process it itself makes webpages less prone to server-side attacks and database vulnerabilities. Less expensive than normal website hosting. Scalability is easy because all it needs is to upgrade the bandwidth we are paying.

Best JAMStack/Static Site hosting providers


The growth of JAMStack has exploded a number of options for developers to choose from with some big players also joining the game.

1. Netlify

Netlify is often regarded to be the pioneer of JAMstack. Netlify has easy to board in the process. Netlify pulls the content from your GitHub repository and according to your build settings builds the site and deploys it to their CDN. Netlify also has a wide range of features like Analytics, identify management, custom headers, custom domains with free SSL, Serverless functions. They also have a generous free plan with 100GB bandwidth and 300 build minutes can be upgraded according to needs. It’s the ideal choice for beginners.

Features:

◉ Free Plan available
◉ Deploy previews
◉ Instant rollbacks
◉ Identity management
◉ Analytics
◉ Custom Domain with Free SSL
◉ Sitewide Password Protection
◉ Serverless Functions
◉ Up-to-date notifications on Email, Slack, GitHub Pull requests

2. Vercel

Vercel (is also known as Zeit) is one of the biggest competitors to Netlify. They also provide similar features to Netlify like deploy previews, pulling content from GitHub repository, custom domains with SSL, serverless functions, and analytics. Vercel also has a free plan with 100GB bandwidth with 500 builds that also can be upgraded.

Features:

◉ Free Plan available
◉ Deploy previews
◉ Instant rollbacks
◉ Analytics
◉ Custom Domain with Free SSL
◉ Sitewide Password Protection
◉ Serverless Functions

3. GitHub Pages/GitLab Pages

GitHub Pages is a product of GitHub and GitLab Pages is a product of GitLab. Both are similar in working and limits. GitHub Pages are free without any plans to upgrade and have hard limits on bandwidth (100GB) with a single custom domain with free SSL. They don’t provide extra benefits like Analytics, Serverless functions, and more. They are tailored towards developers rather than the business. They are as popular among developers like Netlify.

Features:

◉ Free Only, so you won’t be billed
◉ Directly from your repository
◉ Custom Domain with Free SSL

4. Cloudflare Pages

Cloudflare is very well-known among web hosting, Network Infrastructure companies for providing website security, DNS hosting, Web App firewalls, and more. Cloudflare has its own data centers around the world, they are the domain registrar and have their own serverless functions (Netlify/Vercel depend on upstream providers for these). They are also known for privacy-first initiatives. Like others, they also provide analytics, GitHub pulls, Identify management using Cloudflare access, Custom domains with SSL. Their free plan has unlimited bandwidth (if used according to their AUP) with 500 builds and can be upgraded.

Features:

◉ Free Plan available
◉ Deploy previews
◉ Access Policies
◉ Analytics
◉ Custom Domain with Free SSL
◉ Serverless Functions
◉ Other Cloudflare services like SSL, CDN, WAF, DNS, and more

5. Azure Static Web Apps

As a part of Azure services, Microsoft also started their own JAMStack hosting Azure Static Web Apps which became generally available recently. They might be new but they have one of the most reliable infrastructures. They do have a free plan with 100GB bandwidth along with their own serverless offering Azure Functions that can be upgraded. It might not be ideal for beginners but if you have existing Azure infrastructure you can try it easily.

Features:

◉ Free plan available
◉ Custom domain with free SSL
◉ Serverless functions
◉ Authentication and Authorization using AAD, GitHub, Google, Twitter
◉ Backed by Azure Infrastructure

6. S3 + Cloudfront (Amazon Web Services)

This is not a direct offering of JAMStack hosting but quite popular practice by many AWS fans. They also don’t have any free plan but their Pay-as-you-go model is relatively cheap. If you are an AWS fan you can try it on.

Features:

S3+Cloudfront isn’t a direct AWS offering so most of the features are either of S3 (or) Cloudfront’s and might incur charges

◉ Pay-as-you-go Plan available Free plan is available for first 12 months)
◉ Custom domain and SSL via Cloudfront
◉ Edge functions via Lambda@edge and Serverless function via Lambda function
◉ Access control available through Cloudfront
◉ Backed by AWS Infrastructure

Source: geeksforgeeks.org

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