Apache Bench (ab) is a popular HTTP load testing and performance benchmarking tool. It can be used to test the speed of a website’s server. The best way to use Apache Bench is to run it from your local machine, which makes it very easy for beginners or intermediate users who are looking for something …
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Layout refers to the geometrical position, size, and shape of the elements on a web page. The layout means that the web browser places the elements on a web page as size, position, and format. There is no difference between Layout and Reflow in terms of definition and function. The layout is used for Chrome, …
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In connection with websites and search engine optimization, the term pagination is used for content that is not completely displayed on one page. Pagination describes the distribution of content on more than one URL, whereby you can “scroll” to the following and previous URLs. Problems with duplicate content often result from paginated shop or directory pages, since pages …
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The Document Object Model is a specification of a programming interface which HTML – or XML – document as a tree structure represents in which each node an object is, which represents a part of the document, e.g. B. a paragraph, a heading, a video, or a table cell. The interface is platform and programming language independent and thus allows standardized changes to the structure and layout of a document. In the web browser, this forms …
The Domain Name System, or DNS for short, is also known as the “Internet phone book”. Similar to how you look for a name in a telephone directory to get the phone number, you look in the DNS for a computer name to get the associated IP address. The IP address is required to be able to …
What is the Domain Name System (DNS)? DNS Server Definition and Guideline Read More »
Nofollow tag is introduced in 2005 by Google to let webmasters to chose which links should be followed or not by Googlebot. To learn how to use Nofollow attribute and when to use it, you can read Nofollow Guideline.
Hreflang is an HTML meta element from RFC 8288 which works for differentiation of the same content for different languages and geography in a symmetric way. Hreflang is being used by webmasters and Search Engines for determining the target of content in terms of geography and language. Hreflang has a canonicalization effect for the URL. …
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County-code Top Level Domain (ccTLD) is a custom domain extension for a specific country, region, or language. ccTLDs are a type of Top-level Domain. Country-code Top Level Domains are sold to the end-user by different Network Information Center (NIC) for specific countries, languages, and regions through the relevant domain registrar organizations. ccTLD or Country-code Top-Level …
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An Internet address or domain name is the equivalent of your mailing address on the Internet. It’s how your contacts and customers will find your website on the web. A domain name is therefore essential when creating a website. An Internet address consists of a “www” (world wide web) prefix and a domain name. This domain name is itself composed of a character string …
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Load balancing is a commonly used term when it comes to hosting. A load balancer serves as a load distributor in server infrastructure. The response time and the load on individual servers are assessed and the performance of the servers is increased through a corresponding load distribution. The load balancer is connected upstream of the servers and …
Canonical tag (also known as “rel = canonical”) is a way of telling search engines that a particular URL is the main copy of a page. The use of the canonical tag prevents problems due to identical or “duplicate” content that appears on multiple URLs. In practical terms, the canonical tag tells search engines which version of …
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URL hijacking is the process of incorrectly removing a URL from the search engine index and replacing it with another. The new, wrong URL continues to link to the actual landing page, but not directly, but via a redirect. Since the wrong URL also takes over the ranking of the original page, URL hijacking can lead to a massive drop in visitors. The term URL …
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A video sitemap is a basis for providing Google with necessary information about video content. The video sitemap is an XML file and contains the metadata of a video, including the title, description, length, and source of your videos. But why is a video sitemap important? Video content can be recognized and indexed faster by Googlebot Video through a video sitemap. Google …
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Google Image Sitemaps provide Google with about the images contained on a website. Visitors can do an image search on Google. Using Google image extensions in Sitemaps provides the search engine with additional information about the images on the website. The inclusion of image and video content in an XML sitemap can also help Google find out that content that …
News Sitemap is an XML file prepared to convey the news that is up to date to Search Engines with news-specific features. The main ranking factors in News Search Results are the timeliness of the news, the degree of originality and richness of the content in terms of text and media, and the publisher’s popularity. …
The HTML sitemap is an HTML page that lists all the subpages of a website. It is usually linked in the footer of the website and is therefore visible to all visitors to the website. In contrast to the XML sitemap, HTML sitemaps are mainly created for the user, so that he gets an overview …
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Sitemap submit is the process of submitting a sitemap containing URLs that a website needs to be indexed to Search Engine Crawlers. After the Sitemap submits process, the Search Engine will scan all the URLs in Sitemap and put them into the crawl list. Assuming that a “recrawl” request has been made for each URL, …
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A sitemap contains all the sub-pages of your website that are to be indexed by Google. Since it is written in a standardized XML format, it is also called an XML sitemap. With a sitemap, you help Google crawl your website. It is usually located in the main directory of a domain and can be called up there. If …
What is XML Sitemap? How to Create a Sitemap for SEO? Read More »
The term crawl budget describes the resources that the search engine Google invests in order to record and index the content of a specific website. The collection and indexing of websites are known as crawling. Thus, the crawl budget is the maximum number of pages that can be searched by a particular website. The fact that Google cannot …
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With the help of a log file analysis, statistics about page access or key figures about the use of a website or a web server can be collected. The so-called log files, which are read out, serve as the basis for the log file analysis. Today, page tagging used by analysis tools has replaced traditional log file analysis in …
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Log files, which are also called event log files, are ordinary text files. It contains all processes that have been defined as relevant by the programmer of the respective application. In the case of a database log file, for example, these are all changes to correctly completed transactions. Are parts of the database deleted, e.g. In the event of …
The response or status codes of HTTP directly determine the meaning of the response to an HTTP request. They are always transmitted in the form of the first line of the response (= server response), which consists of a three-digit number and a brief description. The status codes are divided into groups of different meanings …
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Cookies are short texts that are exchanged between the server and the browser. In this way, websites store relevant information in the researcher’s internet browser, which can then be called up again at a later time. Cookies do not have a good reputation among Internet users: they save the data required for various functions on …
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A user agent is a client-side application for using a network service. The user agent forms the interface to the user, which represents the content of the service and receives commands from the user. Examples of user agents are web browsers, e-mail programs, news readers or IRC clients. Many user agents transfer their name and …
The robots.txt file is a text file in which it can be determined which areas of a domain may and may not be crawled by a web crawler. With robots.txt, individual files in a directory, complete directories, subdirectories or entire domains can be excluded from crawling. The robots.txt file is stored in the root of the domain. It …
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Redirect or redirection (short form for “redirection”) is a server or client-side and automatic redirection of a URL to another URL. Redirects are used for various purposes such as moving a website to a new domain or server maintenance. With a 301 redirect, for example, duplicate content can be avoided. A redirect is usually always …
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The IP address is used for machine-readable identification of network nodes on the Internet. Via the Domain Name System (DNS) it can be linked to domain names on the Internet that are easier to read and remember for people. In simple terms, the DNS represents the “phone book” of the Internet, since each domain is …
DNS lookup describes the process of querying a record from a domain name system server. The DNS record can be used to find IP addresses for a specific domain name and vice versa, and to find out more information. There are various programs and online tools for performing lookups. The process gives people, computers, or …
A proxy server is a computer that acts as an interface between two computers or networks. The proxy server works as an intermediary and communication interface and can be used to hide your own IP address. Different types can be distinguished: If a proxy server is used as part of a network, one speaks of …
You will inevitably come across the term Googlebot if you are concerned with SEO (Search Engine Optimization) for your website. Google is the most important address with a market share of over 90%. The process of so-called crawling by Googlebots is crucial for indexing your page on Google. Related articles for deeper information. How to …
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The cache is a buffer memory that enables access to a background medium, for example, an image stored in the background. This means that data is cached there for faster access. This can be made even clearer by means of a very simplified comparison: in a cupboard, you put forward those things that you often …
The Hypertext Markup Language (HTML, English for hypertext markup language) is a text-based markup language for structuring electronic documents such as texts with hyperlinks, images, and other content. HTML documents are the basis of the World Wide Web and are displayed by web browsers. In addition to the content displayed by the browser, HTML files …
The question “What is JavaScript?” Can be answered with “One programming language”. We explain to you where JavaScript comes from, what it does, and why you should sometimes block JavaScript. JavaScript is a scripting language that is usually used in websites and is then executed by the visitor’s browser. Originally, in 1995, JavaScript was still …
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When it comes to web design, the term “CSS” is often used. We’ll tell you what the abbreviation stands for and what CSS actually is. CSS stands for Cascading Style Sheets and is a way for HTML documents to decouple the content of a page from the design instructions of the individual elements, such as …
GIFs consist of a series of frames that follow each other, creating an animation without sound that repeats in a loop in 5 to 10 seconds (with exceptions). These have a maximum of 256 colors, so they are lighter than videos but more dynamic than conventional images, taking the best of both formats. The word …
In the 1990s, several new image formats such as JPG and PNG were developed, all of which have their differences. We’ll tell you exactly what the strengths and weaknesses of the two formats are. Related Articles: Difference between JPG and JPEG What are the GIFs? Image format JPG and PNG: Advantages and Disadvantages JPG or …
JPG is the abbreviation of JPEG; reduced to three letters, as is common for filename extensions. JPEG (Joint Photographic Experts Group) is an association of companies and research institutes that set this standard for storing digital images in 1992. Related Articles for the subject: What are GIFs and why are they important? What is the …
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