Importance Of One Way Links

2010 January 1

One way links will benefit your site the most, but they are difficult to come by. Links from search engines or directories are a form of a non-reciprocal linking. In most cases, inclusion in directories will increase your rank as you get high quality links to your site. Directories are not search engines.

Another way to earn more trusted links from web directories is to utilize a web directory where a fee must be paid to use it. Link Directories or web directories are sites that are divided into categories, each category will have many different sites with links and descriptions, this makes it easier for internet users to find what they are looking for. Major search engines such as Google, AltaVista and. Incoming links from web directories are more beneficial than link exchanges.

Link building is basically getting links to your sites from other sites and a diverse link building strategy should be a part of your Search Engine Optimization efforts because Google says that in order to gain Page Rank you need to have high quality sites linking to yours. One way links are most powerful, because you do not have to give a link back to the site that is linking to yours and usually one-way links are given more power by the search engines, including the all mighty Google.

A one-way link is a link pointing to your website from someone else’s web page with nothing in return. Sometimes the webmasters can agree to exchange the links between their websites; those links are called reciprocal. One-way links are more valuable for the website link popularity.

The main advantage of one-way links is that you don’t have to worry about linking back to a “bad neighborhood”. If you exchange links with the sites that serve as “link farms” or “free-for-all” sites, you may not gain, and even lose the page rank. These sites tend to have links to and from all different sorts of sites. Google and other search engines guess that those sites serve the only purpose: artificially increase the number of links pointing to your site, so they give no value to these links.

Email marketing is one source. You can generate a certain amount of traffic to your website by offering opt-in email newsletters and e-zines. Sending newsletters to your contacts will help keep your website in their mind and keep them returning.

Search engines are a major player in internet traffic and sent around 60% of overall traffic to those websites that are successful. The best thing about this method is that it is free and lasts, but you need to be indexed highly for relevant search terms by the search engine to get any traffic.

Reciprocal linking is basically a link exchange between two websites. Website one places a link to website two, and vice versa, and can consist of a text link or image ad between each website. However in recent months these types of links are being considered less valuable than a one way link by search engines. You might be asking yourself, “Why bother then?”, and of course that is a great question that deserves an answer.

In the past a reciprocal link was simply counted as a link by search engines no matter what, so what began to happen over time was that totally unrelated websites exchanged links to manipulate search engine results. For example, a website about exotic cars was exchanging links with a website about house painting just to gain a link.

Read about Manual directory submissions also read Get one way links and Directory submissions.

SEO Website Content Enhancement

2010 January 1

Content is the main resource in a website through which the viewers will get all required information about your business. Hence, well-written content is a vital feature in a website. To improve your online presence, your site should have well-researched and engaging content. It should be free from plagiarism and developed on the basis of website goals and the target audience.

Your readers will not be pleased if the written article contains insufficient or confusing information about your products and business. Keyword rich write-ups with appropriate headlines and sub-titles can attain better rankings in the search engines.

You have probably heard the saying “Content is King” on the internet. And it’s true. If the content on your website isn’t engaging and interesting to the reader, they will simply leave. If your website is selling a product or service, and your website content is not persuasive enough to convince the visitors to buy, then you do not make any money - plain and simple.

Good content is gold. It brings visitors back again and again. People link to it. People talk about it. That’s where traffic comes from. And we all know traffic equals money. There are quite a few ways you can go about finding a good writer for your website. The problem you may run into, however, is that most writers simply can’t create informative and entertaining content. It is a talent that many claim to have, but very few possess.

Content is extremely important when it comes to building a worthwhile website. Great website content can launch a new internet business higher than you may believe is possible. You just have to know a few tricks to making written copy even easier to create.

The primary goal of all advertising, including website content is to be remembered. No matter what other marketing goal you want to achieve, if your audience doesn’t remember your presentation, it is a wasted effort and lost opportunity. All the money spent on attracting people to your website goes right down the drain if your content is instantly forgettable. With that in mind it is hard to believe how little thought is put into creating content that people will remember.

You want a website, and you want one you can make changes to at your own convenience, without the hassle, lack of control and cost of passing it on to others.

And it is a good habit to constantly make changes to your website, as it keeps visitors interested and up to date, and enhances your Google rankings.

Understanding the significance of good content in every top listing web page, experienced and talented content writing professionals utilize their conceptual and technological skills to write well-organized web content. To ensure high rankings on Google, MSN, Yahoo and Alta Vista for targeted search terms, they optimize the website content with the most popular keywords and back linking. Within the content, they use the targeted keyword effectively. In addition, they write unique content by

• Analyzing your target market

• Conducting in-depth research about your competitors

• Following a style of consistency throughout the page

• Defining your business goals and your company’s position in the market

Read about Directory submissions also read Search engine submission and Get one way links.

SEO and PPC

2009 December 30

There are numerous methods available to websites as to how they wish to improve their traffic and promote their online business. Search engine optimization (SEO) along with pay-per-click (PPC) campaigns such as e-mail marketing & banners etc are some of the most common and effective methods along non-web based marketing.

SEO and PPC campaigns (like Google Ads etc) are two methods however, that are best-known and highly result oriented. Both SEO and PPC based web-marketing have their own advantages, however, this article is meant to explain the difference between these methods in the perspective of a website and to provide an insight to website owners as to which way to choose for a particular website and the circumstances that surround its business. In this article are also listed some reasons as to why SEO (’white-hat’, not ‘black-hat’) is a preferable option in many ways to PPC both in the long term and with respect to cost effectiveness.

Most analytics packages allow you to segregate organic traffic from PPC traffic. This is important, because you’ll want to see if one is performing better than the other, and why. What’s most important is that you also have established some “Goals” in your analytics service that allow you to track conversion rates (a conversion takes place when a goal is reached). If you’re not tracking conversions, then it will be very difficult to determine the “value” of traffic. If you haven’t setup goals, then set them up now. You can even define funneled goals, which allow you to see how traffic progresses from landing pages to final action pages (eg. each step through a shopping cart).

Once you’ve got all of that set up, I highly recommend analyzing the goal conversion rates on at least the top referring keywords, for both organic SEO traffic and PPC traffic. However, take a look at the organic keywords first.

This is the correct way of looking at this debatable argument as it is much more accurate when measuring ROI than to measure which works best. Let’s say for example you run a PPC campaign and get 200 clicks at $1.00 per click. That will be a total cost of $200 for the PPC campaign. With a 2% conversion rate on the site that would work out to 4 sales. Now let’s say we run a SEO campaign on the same budget. For argument sake we will say that it will cost you $1000 to get a fully optimized website setup for you.

Now when it comes to SEO time is the biggest factor as it can take anywhere from 2 weeks to 2 years top get listed in the search engines. However for this example let us say that you get listed within 2 weeks. Now this will be measured over a 12 month time frame. The PPC campaign is a monthly cost so it works out to $200 x 12 months = $2400 per year. You make 4 sales per month so 4 x 12 = 48 sales per year. Lets say your product makes you $50 per sale. This will equal 48 x $50 = $2400 per year. Your ROI is then 0% as you did not lose money or gain a profit.

The 2 major Search Engine marketing strategies that exist today are SEO (search engine optimization) and PPC (pay-per-click). You should know and understand that these two methods are very different from one another. This will help you to be better enabled to decide which one is right for you and your web site. Of course, part of this decision will depend upon what your web site is like.
One of the main reasons why it is difficult to decide which of these 2 strategies is best for your site lies in understanding why you cannot use both of these methods. In reality, there really is no reason why you cannot use both of these methods. In fact, it is encouraged to use both strategies because PPC can work well with any SEO plan.

By using PPC you can help users become more familiar with your web site. Once these users become use to seeing your web site they will stick around. Plus, the more often that visitors come to your site, the better the Search Engines will like your site. This is one of the many reasons why it is so important to try to get as many people as possible to visit your site.

Read about Directory submissions also read Search engine submissions and Get one way links.

Black Hat seo

2009 December 30

Search engines are not infallible. We have all, at some point in our searching lives, found a link on the web that seemed interesting or helpful but when clicked were disappointed to find that the destination page was rubbish. Not only is it frustrating but a complete waste of time.

To receive a good ranking, some web page designers use spamdexing or as we like to call it black hat seo. Spamdexing or black hat seo techniques are the use of various methods to deliberately manipulate HTML pages to artificially increase their positioning on the search engines results page.

Black hat is a common term known to search engine optimisers, it is considered as unethical techniques used to get websites increased exposure in search engines.Search engines such as Google, Yahoo! and MSN wants to ensure they are showing relevant results to their end users. For those who employ successful “Black hat” or “Unethical” techniques to get their sites to show up in the search results pages, more often than not, will not give you the information you were looking for.

As long as Search Engines are around, people have made every effort to get their website on top of the results. The race of being number one on google is still on and now known under the name - Search Engine Optimisation (SEO). But as much as we want to know how to get there - the more Search Engine developers try to hide the big secrets. It has become a real “cat & mouse” hunt.
Here are some of the most commonly used Black Hat SEO tactics:

Link Farming - Link farming happens when a group of websites all hyperlink to one another, with no regard for relevancy. This can be done manually, but is most often accomplished through software designed for the purpose. This also happens with blogs, which is called blog farming.

Invisible text - invisible text is meant only to be read by search engine spiders. It’s often white text on a white background, stuffed with keywords.

Keyword Stuffing - Keyword stuffing occurs when a block of text is filled only with keywords, and little else. Whenever an SEO company creates copy for your website, take a look at the keyword density. Your copy should be natural and comfortable to read, not full of awkwardly phrased keywords.

Fake Pages (Doorway Pages) - Doorway pages exist only for search engine spiders. They are never meant to be seen by the site’s user. They are often fake articles, filled with nonsense text.

People have tried many things to win this game. Some of them “good” - some “bad”. Hang on, you may think, if there is a way to get my business up to the top and increase my sales - I don’t care how I get there! NO - that’s a very plain and shortsighted assumption and would only work for a short time, if at all! The consequences are disastrous. The following Search Engine Strategies can and will put you on the search engine’s “blacklists” which in simple terms mean - you are out! Banned from Google, Yahoo… and such like.

Known as Black Hat SEO, these methods include adding hidden texts, creating doorway pages (or, as Google defined them “pages created just for search engines”), key word stuffing (i.e., bombarding your content with too much keywords and phrases), using popular but irrelevant keywords and participating in link farms.

Read about Manual directory submissions also read Get one way links and Directory submissions.

Make Money With Product Lunching

2009 December 24

In order to stay on top of your competition, it is extremely important to keep coming up with innovative ideas every now and then. In this era of marketing, no business can survive with the same old ideas and ways. In today’s world, change is the only constant; you need to re-invent your business and also to introduce new products to complement the existing ones or at times, even invest in a whole new range of product line.

This is the only way to compete with your competitors and retain your market share. New product creation is a long process and involves a lot of tactic and skill, for a successful product, you need to first asses the market need and demand of your product. Once this has been established, and you are done with the product creation part, you now need to plan a successful launch of your new product.

Product launching is more than creating or purchasing a product, setting up a website, then sitting by the computer waiting for orders to come in. It’s a method of strategic planning for lucrative product launching that will promote your product successfully.
The creation of a new product can become successful in the market only with the right launch of the product. This is why it is important to have a profitable product launching where the new product has to reach as many hands as possible.

The secret to a profitable product launching depends on your perspective and methods of the product launch. You have to first set a date for the launch of your product, and introduce the product when the public will most likely need and accept it. It is important to stick to the date to gain the customers’ confidence in you.

Use the internet for promoting the product by having a sales page created and have traffic sent to it through an auto responder and payment link on the internet. Keep this sales page running and make sure you deliver your goods as soon as they are released. Inform existing customers, affiliates and your existing lists of guests about the launch of the product.
When it comes to the launch of a product, it is bound to take a lot of time and effort no matter what the profile of the company you work in might be. Every launch of a product brings with it whole new possibilities of making more money. But this is not always that easy. You need to take all the right steps at the right time.

The best internet marketing program is going to make you money without requiring your to go out and find more NEW customers.  It is a well know fact in online or offline sales that the easiest sale is to someone who is already your customer yet most web-based marketing programs focus on how to continually drive new traffic to your site.  This article explains why I recommend The Launch Tree to make more money with less selling.

If you have a product that is not pulling in the revenue you want and you want to make more money with less selling then you need to check out the Launch Tree.  The guys behind it are both internet millionaires who understand the wants and needs of the average customer.  Right now they are running a pre-launch and giving away a ton of free information which you can learn a lot from.  It is truly the best internet marketing program from two of the best in the business.

Read about Search engine submissions also read Directory submissions and Get one way links.

Blog Promotion

2009 December 24

You have got your blog up and running on the internet. The next obvious thing to take care of will be to devise promotional strategies that will make your blog visible to others. This requires a certain extent of planning on what kind of tools that you want to apply to the formation of promotional strategies for your blog. These strategies should be given a fair amount of consideration before applying them.

If you ask bloggers what they would want the most chances are you would probably get the same answer, more readers. It should not come as a surprise, without readers your blog just sits among the other millions of blogs that don’t produce any subscribers, customers, or new business partners. This is why next to high quality content the most important thing you can do for a blog is promotion. Although many people have come up with various ways of promoting a blog most of these methods either don’t work or they even have the opposite effect and do damage to your blog by turning off readers and generating a bad reputation for your blog.
Setting up a blog is easy, even choosing the niche market is easy, however that leaves blog promotion! That my friend is where many people fail, they have trouble developing a good readership, therefore sustaining the blog. Eventually they become tired and without any income, they ask why is it worth it? It is possible to however promote a blog by engaging in a number of tactics.

Blogs are widely read by people, many companies mobile application creator companies promote their different applications and solutions by providing review of different phones. As an instance, if a company is developing application for android phones, it can promote its business by offering information on several android mobile phones; thus, the company would be providing information as well as promoting its product.

Networking with other bloggers can provide you a path to some of there readers and maybe a link on there blog. A good friend who is a blogger will have no problem mentioning your blog in one of there posts and you should do the same back but getting a stranger to do this is no easy task. Compliment a blog writer if you enjoyed his or her article it will go a long way towards establishing a new relationship. Be sincere in wanting to network with other bloggers dont go at it with a bad attitude. Bloggers come in many shapes and sizes it is a mosh pit of ranters and professionals with many in betweens. You need to juggle all the different types of bloggers out there in the blog world to achieve networking greatness. A few good loyal blogging friends is better than zero blogging friends.

There are many SEO (search engine optimization) specialists and professional blogging experts whose services can be availed to boost online presence. Professional blogging can be outsourced to the experts who can help any business to identify global online communities by blogging so that it will substantially increase the web based traffic and generate business enquiries. Highly popular social networking websites like Myspace.com and YouTube.com are also used by the professional search engine marketing companies to promote a client’s business.

One of the significant aspects of blogging is that with a good network of friends and other bloggers it makes one proactive and increases the chances of long term business success besides opening the door for partnerships with others in the field. However one must remember that with regards to traffic, it is the quality of traffic that is more important than the quantity of incoming traffic. With good and useful content being posted on the blog it will surely bring in more and more people to enter the blog. This kind of growth however may be slow and take its own time.

Read about Directory submissions also read Get one way links and Manual directory submissions.

Pay Per Click Advertising

2009 December 21

Pay per click advertising is one of the fastest growing sources of online advertising on the Internet today. Pay per click advertising is very cost effective and the traffic you will receive is all targeted to you products or services using keyword search technology. There are many different pay per click advertising services to choose from search the net and find the right company for you. I’ll show you what to look for in a pay per click search engine advertising company and how they work.

PPC or pay per click is a service wherein an advertiser selects precise keywords or phrases and then creates a listing that will show up when someone searches for that phrase. The advertiser decides the amount he is ready to spend on each click for their listing which results in a visit to their site - thus the term “pay per click”. Normally, Content sites charge a fixed price per click rather than use a bidding system. But when other advertisers have opted for the same keyword or phrase, whoever is willing to spend the most shows up first and the others following in order. It’s a competitive marketplace - the higher you bid, the higher your advertisement will be displayed in the list.

Pay per click advertising programs are an excellent way to promote your website and in many cases help you to take advantage of search engine traffic without needing to worry too much about search engine optimization. In this article we will be looking at how Pay per click advertising such as Google Adwords can benefit your website promotion efforts and increase the results you get when you promote your website. Pay per click is one of the most popular and expanding forms of business promotion today in internet marketing. It’s popular, because you can literally sign up for a campaign, get your ads running, and start bringing in traffic to your site within 10-15 minutes.

Pay-per-click advertising is a popular and modern form of advertising used on websites, online ad networks, and search engines.
You, as an advertiser bid on “keywords” relating to your industry that you feel potential customers will type into the search bar when they are looking for a product or service. Pay-per-click advertising, like any other form of advertising, can be highly competitive. The best keywords will be sought out by your competitors, who will attempt to deny you the ability to make use of them. In turn, you will be attempting to do the same to them to ensure that the reader traffic is directed only to your site.

Pay-per-click advertising is a type of search engine marketing where you pay a small fee (it can be as small as a few cents!) every time someone clicks on your ad and visits your website. For example, when you do a Google search, look on the right hand side of the results page. These are all PPC adverts, all being shown on the first or second page of the search engine results. Because you decide the specific keyword searches where your advertisement is displayed, PPC advertising is truly one of the most cost effective ways to advertise online.

The concept of Pay-Per-Click Advertising is that you come up with “keywords” that you feel will bring visitors to your site. Once you have your keywords, then you will have to bid on them to get a position with that Pay-Per-Click Provider. Depending on the amount of your bid, will determine where you “rank” with that particular keyword. When a person searching on the Internet enters one of your keywords and finds your site on a page linked to this keyword, then they have the option to click on your site. Once they click on your site, you are charged for one click at the amount you have as your bid for that particular keyword.

Read about Manual directory submissions also read Directory submissions and Get one way links .

Ecommerce Affiliate Program

2009 December 21

Ecommerce affiliate programs are popular online marketing programs in which online sales people or affiliates receive commission in exchange for sales, referrals and registrations from online merchants. There are many online merchants to select from via affiliate program directories or affiliate networks on the web.

Ecommerce affiliate programs’ main benefit is that it allows the affiliate to work from home with minimal effort and flexible hours to boot. It is a low risk, low investment small home based business opportunity which is would be ideal for those looking to earn extra income from a home business venture.

The attraction of owning affiliate ecommerce stores is pretty obvious to anyone looking to make money through affiliate programs. Firstly you can have multiple categories, all creating an income. Then you actually have your own website whereby you can capture email address if you want and build your list. Thirdly you have the benefit of search engine food for the spiders giving you organic search result traffic.

Affiliate programs offer people a great way to be a part of e-commerce. You don’t need to have your own business product or service to offer. Instead you will make money buy helping to promote what other people have for sale. You won’t be their employee but an independent person with your own e-commerce business. If that sounds exciting then you should find out more about affiliate programs.
Affiliate programs have become the popular new way to attract potential clients. Not only are these programs becoming popular, but they can be extremely effective at bringing new traffic to businesses’ sites. However, despite the success they can bring, most affiliate programs are of little value. Merchants are becoming more and more informed about affiliate programs, and are beginning to root out those of little worth.

Affiliate programs are also ideal for blogs. Affiliate program allow to create a business relationship between the merchant of a product or service and a website owner who promotes the merchant’s offerings. Affiliates(website owner) earns a commission from the program owner for each referral that results, simply by putting an affiliate banners on their own website.

The Internet now boasts of millions upon millions of businesses that are fighting to get the attention of potential customers. If you don’t play your cards right you may just be among the other millions of online businesses languishing in the lonely corner of obscurity. Every online business are doing their best to find ways to at least corner a market, get a good share of customers and to have a steady increase in sales. Affiliate Marketing is the Internet version of commission sales. You make a deal with a company where they agree to pay you some amount of money to display some type of ad to visitors at your site to get them to go to the company’s site and do something.

Affiliate programs are a profitable way for online businesses of all sizes to generate incremental income. When it comes to managing an affiliate program, companies have two options — hiring an in-house affiliate manager or outsourcing their program’s management.
The most important rule when picking affiliates to promote your online affiliate program is to pick ones that would be of interest to those who would likely visit your niche site. Otherwise they will be promoting a product to a group of people who do not even want nor need it. If your niche site targets parents of young children, then promote baby products. If you niche site targets gardeners, then promote gardening products. If you promote baby products to gardeners, you are almost guaranteed to not make a profit no matter how much money the affiliate promotes your products.

Read about Manual directory submission also read Directory submission and Search engine submissions.

Internet Affiliate Program

2009 December 16

Affiliate marketers help the service providers or manufacturers in various marketing and promotion tasks. Affiliates do online brand promotions, online advertising, lead generation and other marketing tasks for the merchants or associates. Internet affiliate programs are the task lists that merchants or service providers make available for the affiliates. By joining a merchants program a website owner or affiliate is liable to do marketing of products are services as provided by the merchant in lieu of regular payments which are received by the affiliate.

An internet affiliate program is usually where most novice web entrepreneurs begin. Some turn out to be successful with it while others are inpatient and give up in no time at all. Those who stick with internet affiliate programs are not only successful in the long run, but they also find new doors to open. And before they know it, they’re running a successful internet business and living their dreams! If you’re interested in an internet affiliate program, then there are some tips you need to know in order to succeed.

Throughout the world, this economical recession has made a lot of people to question how they are making their living. Nowadays, many people dream of working at home one day and start their own ventures. If you have been looking for jobs online that let you work from home then it is very sure you haven’t found anything that really pays very well. Affiliate marketing is the one thing which you can look into for your first venture.

A new way of promoting in an updated version of word of mouth and recommendation… internet affiliate marketing through merchant programs is the new ‘find’ in cyberspace. An Internet affiliate program can be seen this way. A store needs to open an online version of its shop. Some stores have both online and ‘real life’ stores while some have only the cyberspace version where they sell their products.

Because of the popularity of Internet affiliate programs there are literally thousands to choose from. This can make narrowing down an affiliate program difficult simply based on the number of affiliates that are out there. When searching for the best internet affiliate program for you, keep in mind a few factors that will help you avoid common mistakes and maximize your work potential through the internet affiliate system.

Once you have your website or blog up and running with advertisements, you can make use of affiliate marketing to earn income. You can simply become an affiliate to a website and earn through the profit it makes. All you need to do is place the advertisement link of the affiliate website’s product and services on your site. When there is a sale of their products and services through your website, you will earn commission. This is considered as regular affiliate program. If you are on a quest for the best internet affiliate program, these are good questions to think about.  The answer depends on how much you already know about internet marketing.  If your knowledge is limited, do not worry because you can still make loads of money.

Read about Manual directory submissions also read Directory submissions and Get one way links .

Earn Money Online

2009 December 16

since there are a lot of online business opportunities, you don’t have to wait so long to earn money online. While you are building up your primary business (the one, which will bring you the big sums after a few months), you can still use your spare time to do something useful, to earn extra cash. There are tons of options, where you don’t have any further experience and still get well paid. For example, you can take online surveys, work with a data entry company,etc. The possibilities are almost endless and it depends on you, which one you choose.

Earn money online Easier said than done, it seems. Yet still, a lot of people are looking for ways to make money. If one starts to look around, one will find that there are lots of ways of making money on the Internet, even in these days of economic slowdown.

The Internet has opened up many new money making opportunities that were not possible before. Some skeptics may say it is virtually impossible to succeed online, or that it is difficult to make money at home, but this is not necessarily true.

There are a considerable number of free and effective strategies available to aid you in how you can earn money online. If like most of us including me, I’m sure you can’t afford to pay hundreds or thousands of dollars for marketing firms to bring customers to your website? While these companies promise their services will bring results, what they do or don’t do for you, may or may not prove as effective as doing it yourself. There are literally tons of people online everyday, most of them are looking for information, some of them will purchase something.

Website owners can earn money through various ways, and I have searched scores of sites on the net in search of the holy grail. Whilst I can’t say I have reached utopia on my search, I can say that I have found some fantastic ways to earn money online along the way. It really is all about research and a little patience thrown in whilst carrying out that research.

Rest assured the internet is still a goldmine but you must be a good digger and experienced enough to identify the cash spots to become rich. Ultimately the internet can provide us with the most convenient ways of doing almost anything. We can be sitting at home at the same time we are selling out which I for one love as it beats working for a living. Internet marketing is not as easy as you might think, or as some scam merchants might try and lead you to believe. However, if you have a complete set of strategies, it can be very easy.

So you want to own an Internet Business? You want to earn money online, but are a little skeptical over what is fact and what is fiction. The first thing to realize is that our big dot com world is not as scary as you may believe. Yes, it is high-tech, and yes there are hackers and people out there misrepresenting others. But there are simple strategies you can implement to discover what the facts and fictions are to starting an online business.

Internet Business becoming the most common and productive ways to generate an income online. The personal business models that are out their are more legitimate, and proven to add an avenue to receive a high income working from home.

Read about Manual directory submission also read Directory submission and Search engine submissions.