Keyword density is simply the number of times a keyword appears in a piece of content.
Previously, a significant proportion was required to achieve the top positions in organic search result pages. However, today's reality is very different, and keyword density is significantly lower. We don't have a specific number because Google never advised us of the best practice in this regard. In practice, however, up to 2% has produced positive results in our analyses.
It's important to remember that keeping track of how many times a keyword appears in the text helps you prevent a blackhat tactic known as Keyword Stuffing, which is the excessive and unnatural repetition of a term.
Concerned about this? Then sit back and relax because our keyword density checker will help you check just that. However, common sense plays a big role in not overusing them. For example, I reread the optimized texts I create numerous times to ensure that they are natural (this is usually an indication that the keyword density is okay).
Meta Tag Generator:
The metadata is specified via meta tags, which are coded information in the header of an HTML document. These are hidden from view on web pages. Meta tags can only be seen by user agents like browsers and search robots. These meta elements are used to provide additional information to a website in order to make it easier to analyze HTML documents and manage file content. The assignment of a defined element is followed by the content of the element in the meta tags of HTML pages. As a result, below is the metadata schema:
<meta name="New Element" content="This page is about cats. Have fun."/>
While HTML page information played a significant part in search engine optimization a few years ago, its impact on Google's ranking and that of its competitors has diminished significantly in recent years. Website managers, on the other hand, should preserve the information in the HTML headers and include all metadata there. They are, in fact, always significant for meta engines. Furthermore, meta tags are utilized to define instructions for controlling search robots.
There are numerous meta tag generators available on the Internet that allow website owners to rapidly and easily create meta tags. The one on the atozseotools.net website is quite useful. To do so, simply enter your information into the generator. The data is converted into source code by this generator. You can then insert them right into your Web page's HTML header.
What exactly is a backlink? A backlink is a link that, when clicked, redirects the user from one page on site A to another on-site B. The backlink connects one domain to another.
In a nutshell, a backlink is built when one website links to another. It is important to note that we are discussing linkages between websites. A and B are the two sites. When a piece of content or a page employs links to other pages within the same channel, the term used is internal links rather than backlinks.
It is a well-known fact that getting high-quality backlinks naturally is a huge time taking process and it might never happen too. If you don't have the time or patience to develop natural and high-quality backlinks, our backlink generator is a far better solution. It can instantly create thousands of high-quality backlinks that will help you to rank higher on Google.
Backlinks are SEO's lifeblood.
While the Google algorithm continues to evolve and today some think that it is less relevant than it was, backlinks, together with optimized content, remain the two key factors that will affect your rankings on almost any search engine on the planet.
Links suggest that your information deserves to be cited and linked to by search engines. This is precisely the reason why link-building campaigns are crucial to a website, while regular backlink audits are essential to maximize and improve search performance.
Google Search Console is the best backlink checker you'll ever find in my opinion.
The data originates from the search engine itself, so it is irrefutable and collects most of the links that you wish to find.
Google Search Console is open to every webmaster and will present a solid list of all your links and links that the search engine deems to be 'untrustworthy' for your rankings - those you simply ignore or disavow them.
Alternatively, you can use our backlink checker tool that will show you almost all the backlinks for your website.
WHOIS, derived from the English word "who is," is a process for registering domains, IP addresses, and autonomous systems on the Internet and identifying the site's owner. It is fed by hosting firms and collects all information about a website, including if it is tied to a CNPJ.
Technically, WHOIS is a TCP protocol that is used to query contact and DNS information. It often indicates three primary points of contact for a website owner: administrative, technical, and billing. Additionally, contact information such as phone numbers and physical locations are displayed.
By default, this information is open to the public. However, certain overseas organizations can provide a private WHOIS for a price, ensuring that the data is secure but not accessible to unauthorized parties.
To obtain a website's WHOIS information, simply navigate to a website that provides an online WHOIS query, such as (who. is). Typically, these services include additional useful data in the report in addition to what the protocol already provides, such as thumbnail photos and the servers on which the domain is hosted.
You can use our Whois Checker to get complete details of who owns a domain. However, we can only show you data that is publicly available.
Domain Age Checker:
In many SEO forums, it is often asked whether the domain age is a decisive ranking factor. The background to this assumption is that websites that are well-known, large, and have been accessible on the net for a long time are considered reputable and trustworthy by a search engine (keyword: "TrustRank").
Opinions on this topic differ. On the one hand, it is quite understandable that an old domain can be considered "constant" and therefore trustworthy by a search engine. On the other hand, there are millions of domains that are old but have never had content on them and have been parked for years.
In 2005, Google filed a patent. It was about "information retrieval based on historical data". The patent confirms that Google looks at the domain age of a website, namely the original registration date and the respective update date of the domain.
It is likely that a search engine such as Google takes into account several factors when evaluating websites. Thus, the domain age is also a ranking factor, which does not bring too much (but something and that is that the domain already has trust if it has not been abused for spam purposes), but can not hurt either.
You can use our free domain age checker tool to know the accurate age of a domain in seconds.
Online MD5 Generator:
MD5 is an abbreviation for Message-Digest Algorithm 5, which is a cryptographic algorithm that generates a hash value from any message or character string. The function, unlike encryption, is not reversible and prevents the original character string from being derived from the hash result.
In 1991, Ronald L. Rivest developed MD5 at the Massachusetts Institute of Technology as a successor function to MD4, which was deemed insecure. The Message-Digest Algorithm 5 is commonly used for verifying download files and storing passwords. MD5 is no longer regarded as adequately secure. There are several attack methods, such as collision attacks, that allow output strings matching a given hash value to be created with acceptable effort.
Basic MD5 hash function requirements
As with other hash functions, the MD5 hash function has various prerequisites. For example, the same string must always provide the same hash value. Furthermore, it must be avoided that the original character string can be deduced from a hash value. The hash value generated by different character strings must not be the same. MD5 cannot meet all needs completely. It is well known, for example, that distinct strings can generate the same hash value. This is known as a collision. Compliance with the standards has a direct impact on the security of MD5 applications, such as encryption or authentication.
Though we don’t recommend using MD5 hashing you can use our online md5 generator if you really want one.
Reverse IP Domain Checker:
What exactly is Reverse DNS?
Reverse DNS (rDNS) or Reverse DNS Lookup is a DNS query that can be used to get the IP address associated with a specific domain name or hostname. The prerequisite is that the Internet address to be queried has a so-called PTR record ("pointer" entry) that relates to the name and so permits such a "reverse" inquiry in the Domain Name System. These entries, which are placed in their own namespace, are organized by the numerous ISPs (domain). Changes to this pointer are thus always feasible only in cooperation with the supplier.
When and why would a Reverse DNS Lookup be useful?
Reverse DNS, like regular lookups, returns not just the required name or IP address, but also some additional information. A lookup thus offers, in addition to the required hostname, a geographical assignment of the IP as well as information on the responsible Internet service provider. This information, however, is not very useful for evaluating private users because the automatically produced plain names behind the user IPs do not allow for any personal identification that would be significant for marketing purposes. However, user localization data may undoubtedly be effectively employed, as it permits conclusions to be established regarding target markets to aim for.
The information from Reverse DNS Lookups is even more relevant for B2B marketing: because most businesses have their own IP address, you can often readily reconstruct when a specific company utilizes your web product.
You can use our Reverse Domain IP checker to find a domain by only giving its IP address. Our tool will return multiple domains if many websites are hosted on the same server.
Class C IP Checker:
When the Internet protocol IPv4 was designed, regulations were established to allow for the creation of networks of various sizes. They were classified into what is known as address classes, and depending on the address class, it is possible to build networks of varying sizes. The first block of integers (octet) in an IP address identifies the address class. For each address class, a standard subnet mask has been provided. As a result, the networks have a varied amount of IP addresses. The classes are arranged alphabetically from A to E.
Class C IP Address
A class C network's first number block can have values ranging from 192 to 223. The remaining octets can be chosen at random. The subnet mask is 255.255.255.0, which indicates that the first three octets of the IP address represent the network portion, while the final octet represents the host portion.
As a result, there are around 2 million class C networks in the world, each of which can support 254 hosts. This number is useful, maybe handled by broadcasts, and is widely utilized in this manner.
Because (like with all other classes) the 0 as host part would be the network identification and if the host part is filled with 255, this would be the broadcast address, only 254 hosts are available in class C networks instead of 256. These two integers are incompatible. This leaves 254 IP addresses available per network.
You can use our Class C IP Checker to know the Class C IP of a domain.
What is the MozRank algorithm?
MozRank is a replacement for Google PageRank and is used as a Key Performance Indicator (KPI) to track a website's performance. MozRank is largely used to determine a website's link popularity. The MozRank encapsulates this in a numeric value ranging from 0 to 10. On the basis of this straightforward metric, it is feasible to compare the link popularity of various websites. This key performance indicator, as well as its name, originates with the software business MOZ.
A summary and some general information
Essentially, MozRank is used to determine the popularity of links. To do this, the MozRank algorithm first determines the number of incoming links to a website. Following that, these are appraised. A distinction is established in this context between the Moz Domain Rank and the Moz Subdomain Rank. The Moz Domain Rank calculates a key figure for an entire domain, but the Moz Subdomain Rank only considers particular subpages of domains. This algorithm produces a value between 0 and 10, with 0 being the worst and 10 being the best.
With our free MozRank Checker tool you can calculate MozRank of any of the web pages or domains.
The term broken links refer to references on the Internet that lead to a destination that can no longer be reached. Usually, after clicking on a link, the user is redirected either to a web page or to a file. In the case of a broken link, on the other hand, a web page refers to a file that no longer exists or to a sub-page that can no longer be found. Broken links have a negative impact on the usability and user experience of the website. Therefore they have a negative influence on the ranking. Especially if you have a lot of broken links on your website. For the Off-Page SEO of a website, it is therefore important to detect and repair dead links. Thereby you improve your backlink building, your link juice, your TrustRank. The search engines thank you. Especially Google, because the Google crawler no longer runs into dead ends.
If you click on a broken link, you will always get an error message on your screen. Browsers like Google Chrome or Mozilla Firefox have a standard form that is displayed to the user when clicking on a broken link. Usually, the error message for broken links is "404 Not Found". A 404 error means that the requested resource could not be found on the server. It may also happen that after clicking on a dead link, instead of the "404 Not Found" error message, the "410 Gone" error occurs. This error message appears when the requested resource does not exist at all. Every website operator has the possibility to configure the error message displayed in case of a 404 error.
You can use our Broken Links Finder to find any broken links on your website. We will crawl your website and find the broken links for you.
Google Index Checker:
In fact, you don't look up the Internet at all when you search Google, but merely the Google index. This is a database that includes all indexed pages that may be viewed in a Google search query worldwide.
Google works like a regular library. If you wish to find a certain book in a library, you are looking for it in the database or in the online library. If the book doesn't appear in the database, you won't find it. The Google index works in the same way.
Google is not a static but dynamic database
Google's robots (also known as 'spiders' or 'crawlers') crawling over the web every day by clicking on links to check where they lead. The process of crawling starts with huge online sites like Wikipedia or Yahoo. The robots then roll through the whole domain and click on all the links to other websites. The whole process is then repeated and continued until every website containing a connection to another website has likely been investigated. As the crawlers explore slowly through the web, information is continually returned to Google. For example, this information shows the content of a webpage and the keywords utilized. This information regarding the website is stored in the Google index. Now when users use Google Search, the Google algorithm filters and rank the best results from its index – from search results number one to hundred.
You can use our Google Index Checker to find if your target URL is indexed or not.
URL Encoder Decoder:
An Internet address (also known as a URL or URI) is used to access a web page. So, what happens next? It's a request for an Internet page to be returned from a server (i.e., a distant computer connected to the Internet). Here's an example:
When you use a browser (such as Firefox or Internet Explorer) to visit this location, a file with the extension "HTML" is downloaded and shown in the browser, which is most lovely and colorful :-) Today's servers are capable of understanding, even more, commands: You can transmit variables to them. When looking for locations on the weather website, for example:
So far, everything has gone well. But what if you want to look for "Munich" (as in "ü")? Worse, you might wish to transmit the question mark ("?") as a variable value to the server. However, because the server already recognizes the question mark as a special instruction character, adding another question mark would be confusing. Special characters, such as the "ü," were unknown in the early days of the Internet.
Even if it appears complicated, the solution is straightforward: You reshape characters that aren't allowed such that they're no longer prohibited. As an example, consider the following substitutions:
⦁ ? ==> %3F
⦁ [ ==> %5B
⦁ ] ==> %5D
The whole thing appears to be a little obscure at this point, but the server understands exactly what to do with it. The following is a search for the Cyrillic spelling of Moscow (i.e. осквa):
You can send characters to a server that would normally be forbidden in URLs by encrypting sections of the URL. URL encoding replaces nearly all non-letter and non-numerical characters with new strings (hexadecimal numbers) that start with a percent sign. Different procedures are used in part. This can be seen in the varied encodings of the space character, which is sometimes encoded with a "+" and other times with "percent 20." The former is carried out in accordance with an outdated specification. The second conforms to the format of the newer "RFC 3986" specification.
The decoder uses the same symbols to decode encoded URLs. You can use our encoder-decoder tool from our website for free.
Webpage Screen Resolution Simulator:
People who are interested in technology frequently come across the term screen resolution while discussing televisions or other display devices. The resolution of a television or a display is sometimes referred to as "TV resolution" or "display resolution." This is used by manufacturers to show how big or small individual pixels are, as well as how many of them are next to each other on the display. This is the most crucial characteristic that has a significant impact on picture quality, aside from the screen size.
Screen resolutions that are most important
CRT televisions have a low resolution due to the fact that each pixel is made up of three pixels in the hues red, green, and blue. The resolution of the so-called standard definition (SD) is 720x576 pixels. HD Ready, often known as Half HD, is the next highest display resolution. It boasts approximately one million pixels, more than twice as many as SD, at 1280x720 pixels. In the US, public television stations are now broadcasting in this resolution. With this screen resolution, you can receive an excellent picture from a sitting distance of more than two meters with TVs up to 37 inches in size. The resolution of Full HD is 1920x1080 pixels. That's exactly four times as many as SD, resulting in a significantly more detailed and crisper TV picture. Most private broadcasters and streaming services that produce their signal in this resolution use Full HD. Blu-ray discs typically feature a 1920x1080 pixel resolution.
Our Webpage Screen Resolution Simulator lets you simulate your new webpage in almost any of the famous resolutions.
Server Status Checker:
The five different kinds of HTTP status codes are as follows. The three-digit code's first digit denotes the class to which it belongs. As a result, HTTP status code 200 belongs to the 2xx class. The 404 code belongs to the 4xx class of codes. The meaning and function of the status codes are used to classify them. There is a distinction between the following classes:
Class 1xx - Informative: When an HTTP status code of type 1xx is sent, the server informs the client that the current request is still in progress. This class contains a list of codes that give processing information and are delivered as part of a request.
Class 2xx - Success: A 2xx code indicates that an operation was completed successfully. If a 2xx code is sent, the server has received, understood, and accepted the client's request. As a result, the server frequently sends 2xx codes together with the requested web page data. In most cases, the user merely sees the requested web page.
Class 3xx - Redirection: A 3xx code indicates that the server has received the request. However, the customer must take additional actions to guarantee that the transaction is completed successfully. Redirection and forwardings are the most common uses of 3xx codes.
Client error: A client error has occurred when a 4xx code is played. The most common cause is an improper request. An automatically generated HTML page usually informs Internet users of the error.
Class 5xx - Server Error: A 5xx code indicates that an error has occurred in the server's domain of responsibility. Such server error codes indicate that the requested action is momentarily unavailable or even impossible. An HTML error page is frequently generated here as well.
You can check the response codes returned by any server in the world with our free Server Status Checker.
Find DNS Records:
What is DNS?
The Domain Name System application-level usually resolves natural language hostnames and delivers a corresponding IP address. Therefore, end-users simply need to know the phrase www.vogel.de to visit a 126.96.36.199 available server. By the way, the reverse search also reverses: IP addresses are then solved into names.
Thanks to DNS, not just human end-users can more readily recall their most prominent representative addresses in IP networks generally and the Internet. The DNS also enables IP addresses on servers with relatively little risk to be changed: When users only handle the DNS name, changes to the corresponding IP address are often undetected. One such request is to replace traditional IP addresses with IPv6. Additionally, individual DNS names can also be assigned to various IP addresses - a load balance using DNS would then be easy.
A blacklist is a list of websites or IP addresses that have received notice owing to serious breaches of Internet rules. This can include bulk spamming, but also stuff that is detrimental to children, for example. The search engines keep the blacklists. They remove the indexed pages from their database so that the associated page does not appear in search queries anymore. Rarely can this process be reversed?
Blacklists are used anywhere unwanted content has to be screened out on the internet. This is the case, for example, with spam filters. You utilize blacklists of senders whose emails are usually regarded as spam. Blacklists can also be used for censorship if a government, for example, does not wish to view some content on the Internet.
How is a website blacklisted?
Every search engine has its own blacklist and works with country-specific listings, with varying legal restrictions. No user complaints are needed to end up on a blacklist - search engines operate on their own automatically. Corresponding pages will be banned from the index once a search engine finds its guidelines infringed. If your own website is on the blacklist, a simple search on the desired search engine can reveal if your website is blacklisted. Google contacts the site administrator - if feasible - to alert them. Contact normally occurs through Google Webmaster Tools.
Since 2009, Google has encouraged webmasters around the world, regardless of Google's own products and services, to think about the PageSpeed of their websites. In 2010, PageSpeed was announced to be one of over 200 ranking variables now.
Even if Google states that just 1 percent of worldwide search queries were influenced by the PageSpeed ranking factor at that time, webmasters should pay attention to the fast delivery of their websites and optimize the load time for their own website, in particular in the interests of their users.
Google has stated in late 2020 that page experience signals are included in Google's search rankings, with the so-called "Page Experience" update. These signals analyze how visitors perceive website engagement and aid the search engine to ensure people use the website
Google combines existing user experience variables on mobile devices, safety problems, HTTPS, and ad user experience with new Core Web Vitals PageSpeed measurements.
With that being said it is pretty evident that you need to keep an eye on your PageSpeed Insights score and for that, you can use our free Pagespeed Checker.
Here are some e-mail privacy tips so that you remain safe online:
Don't open suspicious emails
A. mails are frequently used for spamming and virus propagation. Simple behavior guidelines may help safeguard oneself. "Do not open unsolicited e-mails about which the sender is unaware. Don't open attachments from which you don't know the origin – particularly packaged archives like.zip or.rar files.
Select a safe password
However, it is even more essential to choose a safe password. The inbox for email is the heart of digital life and is somewhat everyone has. When a hacker gets access to the inbox, Amazon, Paypal or Facebook accounts also have a short journey. Safe passwords include 8 to 12 characters, capital and lowercase letters, digits, and special characters, according to the German Federal Office for Information Security. Family names and other easy-to-understand combinations are fabulous. Regular visits to the Identity Leak Checker of Hasso Plattner Institute or to the website haveibeenpwned.com show if your personal access data has previously been cracked.
You can use our e-mail privacy tool to check if your e-mail is really safe.
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