What you need to know about web caching

Our computers and major search engines tend to save your browsing history. This is known as web caching. Just like how our memory works, website caching gives browsers and search engines the ability to store different types of materials. Some common caching options today include database caching, application caching, and distributed caching among other options. That said, this article takes a closer look at web caching and how it could affect your online experience.

What is web caching?


Web developers use various tools to enhance user experience. Web cashing is one of this tools, which involves downloading some page elements like images, JavaScript, and storing them closer to their browser. As such, the next time you start searching, your browser does not have to start querying the browser all over again but retrieve this data. This has the effect of minimizing network traffic and improving your experience online. Here is a list of possible caching elements that are used between the server and the browser at the user’s end.

  1. Local browser
  2. ISPs
  3. Content delivery networks (CDN)
  4. Server proxy

How catching entities work

Caching is implemented through the HTTP header directives also known as the “cache control.” This is sent when sending HTTP responses. Ideally, this has the effect of storing the requested page for a certain period. The cache control features help the owner determine the catching behavior along with what can be cached and how long.

Benefits of caching

Reduced latency

The load time of a website often leads to frustrations when it takes too long. Cashing can reduce site loading times and thus improve the user experience. This is attributed to the fact that it serves the visitor with content closest to them.

Avoids network congestion

SAszDDcSAThe Internet manages vast amounts of data. As such, congestion can be a major trouble in most networks. The good thing is that network congestion can be significantly reduced with catching. Since all networks will not be directed to the origin, caching reduces the load on the servers.

Disadvantages of catching

The best catching practices are strictly defined. Improper caches might lead to loading problems like loading old content. Since caching entities include third-party proxy servers, which puts them at risk of being compromised. Thus, embrace google history clean to ensure your online presence remains safe and secure from malicious persons.


Must Have Software in Your Laptop

Living in this technology era, almost everyone has a laptop either for school, work, and entertainment purposes, a computer can also help you with your everyday needs. Without a computer, it will be hard to fit in and have a place in the society because a lot of things will require you to work using your laptop. You probably already have some of the software and applications like a browser to surf the internet, note or memo to take notes, and many else. But it’s not enough for your daily activities, install these are applications to utilize your laptop even more.

Video Downloader

computerWithout this app, you won’t be able to save online videos, and that can be a problem. As long as it is on the internet, there is no guarantee that it will be there forever. If the owner of the video or the website decided to delete it, you could never watch it again. So it’s safer to have youtube video downloader, and you can have all of your favorite videos offline on your laptop. It’s useful for archive, so the videos are organized, and you can access it whenever and wherever you want.

Photo Editor

You may not be a photographer or an art student, but a photo editor can give you something to do whenever you are bored. Not to mention that the application is useful for editing pictures that you need for work or school presentation, or any project that requires you to make a poster and marketing content is also excellent.

Video Editor

laptopOne of the most popular things to do at the moment is to be on Youtube. The video editor will be useful for you to edit videos even if you are not a Youtuber, you can use it to make a montage of special moments for someone’s birthday or anniversary of you and your loved ones. If you are not into the idea, the skill to edit videos is useful to help a lot of people, and maybe you can offer a service to get some money as well.


If you are someone who gets easily bored, get a game to entertain yourself. There are many options, and anyone can find a game that they will like even if that person is not a gamer. First, maybe you can search for suggestions and look up reviews on the internet before downloading/purchasing the game. Just don’t get lost track of time when you play the game because this often time happens.


Advantages of home automation

Without a doubt, the advancements in the field of technology brought convenience to everyone. In fact, people are witnessing innovation and inventions on a daily basis. In addition, it goes without saying that every sector nowadays is benefiting from these advancements.


In this article, our area of focus is the technological advancements in our real estate properties. To cut the chase, this write-up is for smart homes. Hence, continue reading this article because we are about to highlight the advantages of home automation.



To start with, investing on home automations is undoubtedly costly. On the bright side, opting for a smart home is a smart investment. This is because automating your home will significantly increase its value. Hence, when the time comes that you may want to sell your property, you will have the edge over your competitors.


With automated homes, gone are the fears of forgetting to turn off some electrical appliances while away. This is because, with smart homes, you can quickly turn off any electrical appliances even if you are hundreds of miles away.


Of course, smart homes are equipped with CCTV cameras. Thus, it goes without saying that automating your home will increase your security. In addition, it is worth noting that unlike the conventional CCTV camera set-ups, with home automation, you can monitor your real estate property real time. This is because you can connect the CCTV to your smartphone. Furthermore, if you automate your door locks, you no longer need to worry about forgetting to lock your doors when away.


ZXCZXCZXIt is given that automating your home is expensive. However, choosing to automate your home will become economical down the road. For instance, forgetting to switch off the AC unit while going out of town may not automatically burn your house. However, it will substantially increase your electricity bill. With smart homes, you can quickly turn off your AC unit while away.


It is no wonder that automating your home will make you more productive on a daily basis. Again, with an automated house, one can control their entire household with a couple of clicks away.


With automated home, you can control your entire house with your smartphone. In fact, the convenience brought by smart homes is the main reason why people all over the world choose to automate their homes.



However, instill in mind that like any other type of home investment, homeowners must put an emphasis on many factors to make sure that they get their money’s worth.

flat rate calling model

Advantages of a Flat-Rate Pricing Mobile Model

Whenever a new idea is created, just know that an entrepreneur has seen an opportunity and they want to capitalize on it. But we all know that even the best idea that is deemed as being the most innovative idea can pose a challenge for either its managers or promoters to achieve the required sales if they do not set prices that are attractive to the targeted customers. Thus, this has lead to the emergence of flat-rate pricing which has been applied mostly to mobile communication payment. Thus flat rate model of pricing can be described as a model where the mobile communication service provider charges a fixed amount or rate for the services offered instead of charging it either in an hourly or monthly basis for the use of the service.

Besides the model being popular in communication, it is also commonly used in other service industry sectors like in legal services, creative services and also in the shipping industry. In this article, we are going to look at some of the advantages that an individual or business can get by adopting a flat rate pricing mobile model.


prepaid flat ratesOne of the major advantage and reason that has made this model this popular is that is that when a flat fee is applied to a particular service, it is not only transparent, but it is also easy to understand. As a flat rate customer, you will not be subjected to any hidden charges or changes that can be brought due to change in tariffs. For instance, if your mobile service provider charges a particular figure for voice call services it will be easy for a customer to make an establishment of whether they can afford the services that are within that price range. However, if you use a mobile service that applies hourly rates or rates that vary from time to time, then it is a possibility to realize later that the service is more expensive than you initially thought.

There is more focus on productivity

Another very conspicuous advantage of flat-rate pricing model is that when you pay a flat fee for mobile services you are rewarded in both the quality of service that you receive and its reliability. When you pay a mobile service provider on a flat rate service, they will work extra hard in the form of service that they provide plus the infrastructure that they lay for their service to ensure that they deliver the best service that they can. This is meant to hook you up with them so that at the end of your contract with them you will be enthusiastic about renewing your engagement.

Convenience in payment

When you are subscribed to a mobile service that charges you on a flat rate without any prior contract, for instance, prepaid allnet flat without contract works very well and makes it easier for you to subscribe and exit anytime you want without any hassles. These are some of the advantages that one can get from being a consumer of flat-rate pricing mobile model.

GoPrro drone

Top Rated Drones For GoPro Cameras

There are different designs and models of drones on the market. The manufactures companies of these products are releasing their new gadgets in the market every year. Choosing a suitable one can be a daunting process especially for those individuals who don’t understand their features. Having a quality gadget will greatly help in improving the performance of your GoPro camera. Researching on the different products can take a lot of time. This article has compiled the top drones for gopro in the uk.

3DR Solo Aerial Drone

aerial drrone

This is one of the new generations of the smart drones. It has been designed using advanced technology. It has a multi-functional remote control unit that is used in controlling it. It can be connected to other multiple devices and use them simultaneously. It also features a 3DR Solo app from which all its functions are operated through. It has a 1 GHz processor and a short, smart ability. For better results, you can buy an additional 3-Axis Gimbal for this gadget. Using this drone, you can easily control the GoPro camera. This has made it ideal for aerial photography. You can also tilt the camera, increase or decrease its speed.

DJ Phantom 2

This is one of the higher-end GoPro compatible drones that provide perfect synchronization with the GoPro cameras. It is known for offering a longer flight period and flexible flight patterns. Its payload is designed for the low-weight action cameras. Its view range is about 300 meters. Besides, this gadget has a reliable battery making it very convenient. It is designed with useful accessories that help in keeping the camera safe and stable. It has a flight time of about twenty five minutes. This has made it perfect for action shooting.

XT-XINTE GPS Quadcopter CX-20 GoPro

Quadcopter drone

This is another drone that is highly rated. It is relatively cheap as compared to Phantom 2. Its flight time is about ten to fifteen minutes. It is designed with auto pathfinder functions and high intelligent orientation control. It has a compact design that makes it very attractive. In fact, this gadget can be packed easily for easy transport. It comes with an external mount in which the GoPro is attached. Additionally, it has two flight modes- hover and holds functions that enable the user to capture outstanding videos or images of his or her choice.

Parrot AR Drone

This is an advanced gadget that is Wi-Fi controlled. It is widely used for the GoPro cameras. You can use it for both outdoor and indoor flights. This has made it an ideal option for aerial photography. It has thirty six minute time flight. It features four sets of propellers that are helpful in providing additional flexibility and stability.


What you should consider when purchasing gaming accessories online

Technology is helpful to man in several ways. It has helped in making life more comfortable because one can conduct activities that needed a lot of labor with ease.  A good example is sending messages. Gone are the days when you would write a letter and wait for days to have it delivered to the receiver. Platforms like short message system and messaging apps have made life more comfortable. Technology can also be used for entertainment. You can derive amusement online from the various social media and video platforms. We also have devices invented for fun. Gaming is one pass time activity for many. Some gadgets have been specially made for such an experience. PC gaming is common among teenagers. It involves playing games on one’s personal computer.

The games are only made for PC gaming experience. There are accessories needed for this type of gaming. Gaming002 routers are part of the hardware accessories that help in improving your experience. Visit Zilla Best for a review of some of the best gaming routers. You can also buy headsets for a proper audio feel of what is transpiring during the game. Playing pads and joysticks should be of excellent quality if you want to enjoy this expedition. They should be good for your hands by offering proper grip. These accessories can be sold online and in shops. With the increasing number of online buyers, one should be careful when buying them. Here is what you should consider when purchasing gaming accessories online.



Look at the specs of a particular device you want to buy before making a purchase. The specifications are always listed below or next to the item. You should pick a gaming accessory with the right specs to have a great expedition. Upon delivery, it is essential to confirm if the device conforms to the specifications outlined on the seller’s website.


Customer reviews

Most online vendors have a customer review section where buyers express their opinions on the particular product. Make sure you visit that part and read all the positive and negative reviews of the device you want to purchase. After that, you can weigh options on whether to buy or ignore it.



Each product comes with its price tag. These gadgets will have their prices indicated on them. You should understand those that have powerful specifications cost more. However, rates might differ from one vendor to another. Compare prices between different sellers and pick the one with a fair amount.


How to select the right international sim card

If you want to travel outside your home country, then, make sure that you have several options to consider when it comes to the usage of your mobile phone. Therefore, if you are a postpaid customer, it means that can pay your home operator’s roaming charges. But if you are a prepaid customer, you are unable to roam. Therefore, you will an international or a local sim card that you will be using in your destination country.

Before you choose your prepaid or postpaid card, it is essential to understand how they operate. This is because not all countries use the same sim cards. However, it is important to note that there are some operators who you are recommended to select based on their services. Understand the type of services they are offering before you decide to pick them. If you are traveling to Germany, it is advisable to choose the Prepaid Nerd. By doing this, you are most likely to receive the best providers in the German mobile market. The following therefore are some of the components you need to consider when choosing the right international sim card.

Local prepaid sim

oliuytghbjkljhgfBefore you decide to buy a local prepaid sim, it is advisable to determine whether you will be traveling only to a single country. If yes, then remember that your services will be limited just in that country and to the operator’s network that you chose. However, if you are planning to visit more than one country, make sure that you have many sim cards and mobile phones.

International prepaid sim

If you want to select the right international sim card, this might be the best option to put into consideration. This is because they enable you to roam on various operator networks in many countries. Most people consider this type of a card because it can quickly roam to another different network if the host network does not have good coverage.

Unlocked GSM phone;kuytdrfcgvhbjkiopiu

This is one of the essential elements you are required to put into consideration when purchasing your international sim card. It is critical to ensure that your GSM phone is unlocked. This is because if they are not unlocked, some of the sim cards cannot work as expected. If you are unable to confirm this, you can ask your operator or decide to place another type of sim card into your phone to see whether it functions correctly.



What to look for when renting a projector

Many businesses purchase projectors for large conferences and meetings. However, this is not the best option for smaller firms. Therefore, if your company does not hold meetings that need the use of a projector, or if you are unable to buy the projector, it is advisable to rent one. You need to know some of the factors that you should consider when renting your projector. Also, ensure that you have the required resources before you even think of renting one.

It is advisable to rent the exact type of a projector because if you make a mistake of renting a wrong one, the chances are that it will not meet your requirements and therefore the meeting will turn south. When renting a projector, you are required to ask the experts, and they will guide you on the best type of a projector to choose based on your likes. The following are some of the tips you need to consider when renting a projector.

Determine your needs

likujytrdfcgvhbjkljhgfWhen you are renting a projector, it is advisable to know what you want. This will help you in determining some of the elements to put into an account. Also, if you want to get the best projector where you and your friends are likely to enjoy watching movies the whole night, then make sure that you consider selecting a projector that is high in lumens.


When renting or buying a projector, make sure that you check on the lumens. These are the best parts of a projector you should consider because they will determine the brightness and quality of the pictures you will be seeing. Therefore, it is advisable to consider a projector that has high lumens.

The size

This is another critical element you are recommended to consider if you are looking for the best projector to rent. Since projectors are of different sizes and types, ensure that you have enough space where you will place it. Therefore, make sure that you choose the best projector that will fit your room.

Internet-based rental companieslkjytgredsxcb njklm

If you want to compare prices for different types of projectors, it is essential to consider internet rental companies. If you prefer using this option, you are advised of some quotes from online rental sources. Even though there will be additional shipping expenses, be assured that you will get the best deal that will meet your requirements. Make sure that all cords and some of the parts that are needed for the machine are available.

Top benefits of online streaming

With the advancement in the world of technology, life seems to be getting simpler and sweeter. Nowadays, people can easily watch their favorite programs online without facing any problems. Thanks to the to the Tech n Track which seems to be making the technological aspect online more engaging to anyone who is interested. If you have not been streaming your favorite programs online, then it is high time that you considered it. This is because there are several benefits that are associated with live streaming some of which are explored in this article.


As much as you would always want to catch up with that favorite TV program of yours, you definitely do not want to spend more the necessary on the same. Unlike in the past few years where for you to stream online you needed a lot of cash, now things are totally different. There is no a lot of cash that I s need for you to go online. In fact, the whole process is simpler than you can imagine.

Instant playback

Another good thing with online streaming is that you can get instant playback. The technology has made in such a way that you do not necessarily need to download the whole file so that you can watch it. Once you click on file, it starts playing and there you can enjoy your video to the maximum. You can also play your video while it is still downloading.


One of the reasons why live streaming has become very popular in content marketing is because it can offer real-time engagement to users. You also need to understand that this feature is not only important to users only, but also to people selling their products online. It allows them to provide instant, support to their clients and therefore enhancing customer trust between them.

Not overcrowded

Lived streaming is one of the digital marketing channels that are not overcrowded. This, therefore, means that you can use it to reach as many people as possible because the streaming speed is recommendable. One common characteristic that you will find in many consumers is that they do not like when most of their time is wasted. So if they realize that the channel is taking a lot of their time, the chances are that they will abandon it and find something that does not waste much of their time.





In 2012 we are celebrating the twenty-year anniversary of the launch of ERS-1 and TOPEX/POSEIDON. To mark this occasion the European Space Agency, in collaboration with the French Space Agency, CNES, is organising an exceptional Symposium on “20 Years of Progress in Radar Altimetry”. This follows on from the “15 Years of Progress in Radar Altimetry” Symposium in 2006, deemed an important landmark by the participants and the readership of the Proceedings.

During the Symposium week, several related altimetry events will take place, including the annual meeting of the Ocean Surface Topography Science Team (OSTST), the International Doris Service (IDS) Workshop and the Argo Science Workshop. Other thematic workshops (like Sea Level for Climate, Coastal Altimetry) are being organised in or around the same week.

The main event will be held over 6 days, from Monday 24 to Saturday 29 of September 2012, in Venice-Lido, Italy and will be supported by other partner agencies and organisations supporting the development of altimetry.

Watch the altimetry symposium live from Venice




by Jérôme Benveniste, Rosemary Morrow, Jean-Louis Fellous and Albert Fischer