Los Navegadores dan batalla


El mundo de los navegadores de Internet está a punto de dar un nuevo giro. Todos los usuarios pueden descargar la nueva versión de Internet Explorer de Microsoft (IE7), que llegará masivamente en noviembre a través de las actualizaciones automáticas del sistema operativo Windows.

Además, la próxima semana (día 24), está prevista también la publicación de la versión 2 del principal competidor de Microsoft: Firefox.

Con la publicación de Internet Explorer 7, cinco años después, Microsoft da un paso al frente, ante la feroz competencia de Firefox, navegador de nuevo cuño que le ha comido casi el 20% de un mercado que la empresa de Bill Gates dominaba por completo hace bien poco.

Únicamente los usuarios de las últimas versiones de Windows XP podrán acceder al nuevo navegador, que incluye funcionalidades exclusivas para usuarios del próximo Sistema Operativo Windows Vista, cuyo lanzamiento está previsto para principios del próximo año.

Entre las ventajas, comprobar que Microsoft ha realizado un lavado de cara absoluto respecto a las versiones anteriores del navegador. Lo más destacable: imita la navegación por pestañas (fichas en IE7) que tanto éxito ha dado a Firefox.

Esta funcionalidad permite, básicamente, que el usuario mantenga abiertas varias páginas web en una misma ventana del navegador. Los usuarios que acostumbran a trabajar con varias páginas web al mismo tiempo agradecen esta opción. En realidad, resulta bastante útil visitar la página principal de la web del Diario de Noticias, por ejemplo, mientras vamos abriendo en otras pestañas los links que captan nuestra atención.

IE7 va más allá, al mostrar una pequeña previsualización de la pestaña abierta en segundo plano y al permitir agrupar las pestañas por temas.

Más seguro
En cuanto al nivel de seguridad, Microsoft ha incorporado a IE7 una herramienta contra el fraude online (phishing) que podría indicar qué páginas –por ejemplo de acceso a un banco- son fraudulentas.

Inicialmente, no parece buena idea delegar la seguridad contra el fraude online en el navegador de Internet, aunque el esfuerzo del Explorer se agradece. La recomendación siempre pasa por asegurar el equipo con una suite de seguridad, como Panda Internet Security 2007, y utilizar el navegador de Internet para navegar.

Además, esta protección anti-phishing únicamente estará operativa para los futuros usuarios del Windows Vista.

En cuestiones de seguridad, también cabe destacar que IE7 deshabilita casi todos los controles ActiveX preinstalados en el equipo, para prevenir que los controles potencialmente vulnerables queden expuestos a ataques. Curiosamente, el ActiveX es una tecnología propietaria de Microsoft.

Buscador y RSS
Otra de las grandes novedades de IE7 es la presencia de una caja de búsqueda, que permite al usuario elegir qué buscador desea utilizar (MSN, Google, Yahoo, Noxtrum, etc). Así, ya no resultará necesario que el usuario abra la página principal de su buscador preferido para acceder a la búsqueda. Es una función que hasta ahora han suplido las barras de navegación.

Paralelamente, IE7 le da un empujón a la tecnología de sindicación de noticias RSS. Esta tecnología permite decirle al programa qué páginas nos gustan. El programa nos avisará cada vez que se publique una información nueva en esa web. Es algo así como navegar por nuestras páginas favoritas sin tener que acudir a ellas.

De este modo, el icono naranja que identifica a las páginas que ofrecen la posibilidad de realizar esta suscripción por RSS, aparece ahora por defecto en el interfaz de IE7. Así, el internauta puede añadir nuevos sitios a su lista de suscripciones, que podrá visualizar desde el panel de Favoritos.

Además, quienes comiencen a utilizar en 2007 con Sistema Operativo Windows Vista e Internet Explorer 7 podrán disfrutar del acceso a contenidos restringido (que impide, por ejemplo, configurar la restricción de acceso a determinados usuarios a sitios pornográficos, de contenido violento, etc…). Esta utilidad ya la ofrecen desde hace años diferentes suites de seguridad del mercado, como por ejemplo la versión Internet Security de Panda Antivirus.

En definitiva, que Internet Explorer 7, según informan desde Microsoft “facilita las tareas cotidianas, ofrece una protección de seguridad dinámica, a través de una robusta arquitectura y presenta mejora en la plataforma y en la capacidad de administración”, al ser más compatible con las hojas de estilo en cascada –css- , permitir el suministro de informaciones RSS y contar con herramientas sólidas para implementar y administrar Internet Explorer 7 en entornos corporativos.

En busca del terreno perdido.
La actualización de Internet Explorer permitirá que Microsoft recupere parte del terreno perdido ante Mozilla Firefox.

Según la consultora OneStat.com, en España casi el veinte por ciento del os internautas utilizan Firefox. Es el país de habla hispana con menor porcentaje de usuarios del navegador Windows.

A nivel mundial, el 85,85% de los usuarios navegan usando la herramienta de Microsoft mientras que el porcentaje de usuarios de Firefox retrocede al 11,49% (12,93% en julio).

Otro navegador en alza es Safari, de Apple, para Macintosh, aunque únicamente dispone del 1.6% de usuarios a nivel mundial.Uso de navegadores.

Más problemas para Firefox
Por si la publicación de IE7 ya supone un duro revés para Firefox, la publicación de IceWeasel puede resultar letal.IceWeasel, es el nuevo Firefox (100% libre), de próxima publicación, que evidencia la ruptura entre parte de la comunidad Linux y la Fundación Mozilla.

Integrantes de la comunidad GNU han lanzado sus propias versiones de los navegadores Mozilla y Firefox. Se trata de GnuZilla e IceWeasel (zorro de hielo) que responden a los criterios de licencias propias de esta comunidad contrarios a productos patentados.

‘Zorro de hielo’ también cuenta con su propio logo y estará presente en las distribuciones Debian y otras enfrentadas con las exigencias impuestas por la Fundación a los desarrolladores de distribuciones Linux.

Existen otras opciones
A veces da la sensación de que únicamente existen dos opciones para quien desee elegir el navegador de Internet: Microsoft Explorer o Mozilla Firefox.

Pues no es cierto… Los usuarios de Apple tienen Safari. Pero hay más, y muy interesantes:

  • Flock (www.flock.com) es para muchos el navegador para la web 2.0, por sus vínculos con páginas web como Flickr, del.icio.us. Está basado en Mozilla. Todos los sitios compatibles con Firefox son compatibles con Flock. Está en fase beta, pero está en español para Mac, Windows y Linux.
  • Avant Browser (www.avantbrowser.com) permite acceder a múltiples website en una única ventana. No es una navegación por pestañas: es en la misma ventana, ficha o pestaña donde se visualizan las diferentes webs. Entre sus ventajas está que elimina automáticamente pop.ups, permite recuperar páginas cerradas accidentalmente, bloquea descargas de imágenes, vídeos o controles ActiveX –lo que acelera la navegación y evita riesgos- y es compatible con todas las funciones de Internet Explorer.
  • Maxthon Combo ( www.maxthon.com) añade prestaciones al motor de Internet Explorer. Este navegador utiliza el motor de Explorer, con varios plugins. Así, por ejemplo, es capaz de abrir varias webs en una ventana, permite crear alias y teclas de acceso rápido a las URLs favoritas, permite actuaciones con el ratón que no son posibles en otros navegadores, etc.
  • K-meleon (www.kmeleon.sourceforge.net). Es un navegador de código abierto basado en el motor de Mozilla, Gecko. Es una buena opción, al ser rápido, completo, atractivo y gratis. Permite la navegación por pestañas, e incluye distintas opciones que facilitan al usuario distintas tareas habituales, como la lectura de RSS o las búsquedas en Internet.

Otros navegadores interesantes son iCab (www.icab.de), GreenBrowser (www.morequick.com/indexen.htm) o Netcaptor (www.netcaptor.com).

—————
Artículo publicado en Diario de Noticias de Alava en octubre de 2006

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  1. Machine leg exercises are designed to focus on specific
    muscle groups in your legs to assist strengthen and tone them.
    The machines work by isolating the muscles being focused, which could be notably
    helpful for people who battle to interact sure muscles with free weight workout routines.
    These machines permit you to modify the resistance and vary of movement,
    making them appropriate for newbies as well as extra superior athletes.
    Some examples of machines used for leg workouts include leg press, leg extension, and leg curl machines.
    These exercises is usually a welcome addition to any leg workout routine, however it’s important to ensure you’re using the
    correct type and weight to forestall damage.
    These machines use cables and weights to help you carry out various workouts
    that target totally different leg muscular tissues.
    Whether you’re a beginner or an skilled gym-goer, cable machine exercises
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    With proper type and consistency, machine exercises might help you
    obtain your leg goals. With so many leg machines out there,
    choosing the proper equipment can really feel overwhelming.
    Whether you’re simply beginning out or you’re a
    pro lifter, it’s important to be taught which machines will allow you to crush leg day.
    From the versatile leg press to the leg extension machine, each bit of kit presents distinctive benefits for developing
    lower physique power and muscle definition. For these seeking to maximize their leg exercises,
    a plate loaded leg extension and curl machine presents unparalleled comfort and effectiveness.
    Whether Or Not you’re specializing in the plate loaded leg extension, the plate loaded leg curl, or both,
    this machine provides a complete resolution for decrease
    physique training. Its ability to focus on specific muscle teams with adjustable resistance makes it a priceless addition to any fitness routine.

    Make positive your workouts are nicely rounded, with each compound and isolation workouts
    that together target all your leg muscle tissue. There are quite
    a lot of hip extension workouts you’ll find a way to begin incorporating
    into your routine, corresponding to hip thrusts and cable machine pull throughs.

    Performing hip extensions 1-2 times per week will
    increase your power and motion. Yes, cable squats are one of the most effective workout routines to target the quads, hamstring, and glutes.

    They allow you to perfect the shape and scale back the risk of harm.
    They can also be accomplished using a twin pulley, which can offer greater load prospects.

    These muscular tissues are pivotal for actions like walking, working, and sustaining stability.
    Constructing sturdy calves not only improves athletic prowess but also supplies essential ankle stability.
    The volume of your workout program refers to the variety
    of sets, reps, and workouts performed in each workout.
    If you don’t have a platform to carry out the standing cable one-leg
    calf elevate from, you are in a position to do it on the ground.
    It’s an unconventional motion, however it’s
    very efficient for building the decrease posterior chain muscle tissue.

    The cable standing leg curl is useful when you can’t access a leg
    curl machine.
    Brad writes for a quantity of publications on the topics of
    coaching, vitamin, supplementation, motivation, and
    every little thing cool. A squat, however, will create so much more stability throughout
    the body that your chin ups, bench presses, and shoulder presses will improve in consequence.
    Couple this with a plethora of different free weight lower body strikes
    and you have got a extremely effective battery of weapons at your disposal.
    Reverse hyperextension is a multipurpose workout that can be utilized to strengthen the
    hamstrings, glutes, and hip flexors. It is a low-impact train that’s good for folks with
    a weak back.
    It lets you do myriad workout routines for each muscle and helps enhance power, endurance, and mass.
    In this article, I’ll share various Smith machine workout routines for each muscle group.
    This is a full physique workout so as to hit your whole muscle groups in a single fitness center session… speak about getting probably the most bang for your
    buck.
    Calves are the smallest muscle tissue of the lower physique, and you’ll build them up with varied calf increase exercises.
    Overlook leg presses; if you want to give your legs a
    exercise utilizing the Smith machine, the break up squat is one of
    the finest leg exercises around. The Hyperextension Bench is an essential piece of gym tools specifically designed to
    focus on the muscle tissue in your erector backbone and
    glutes. It aims to strengthen your again and glutes
    and enhance your posture. Strength coaching isn’t
    nearly constructing muscle tissue; it’s a game-changer for heart health.
    Beyond the weight room, weightlifting can significantly impression your cardiovascular fitness,
    lower blood pressure and enhance total well-being.

    Based in 1992 in Dover, New Hampshire, the franchise Planet Fitness has quickly expanded across
    the Usa, providing a welcoming space for individuals of all
    fitness ranges. For different ideas for Planet Fitness exercises, take a look at this Reddit thread.
    Additionally, we lose the opportunity for our legs to make
    these typically small, unnoticeable adjustments alongside the way.
    Prospects have different views on the noise degree of the train machine.

    Machines permit you carry to failure in a secure and
    managed method. The Leg Abduction/Adduction Machine is a specialized health
    club apparatus designed to target the muscle tissue of the
    inner and outer thighs. Users stand on the platform with their shoulders in opposition to the pads, then push the platform upward to perform a squatting movement.
    Utilizing a narrower foot placement will work the outer thigh muscles.
    You can regulate the leg press to make it more accessible as a beginner and to use
    it to progress. While the exercise ought to require effort, it needs to be carried out with full management.
    Never rush via the exercise or permit your legs to break down on the end of the motion.
    You also can regulate your foot placement to target different areas of the quadriceps.
    These machines supply a safe and efficient approach to
    target numerous leg muscles. However in relation to building
    strong and defined legs, the best fitness center machines can be
    a recreation changer.
    The Smith machine differs from an everyday squat
    rack as a result of the barbell is fastened and
    slides up and down using a carriage system with security stoppers alongside the observe.

    The increase in stability makes the Smith machine a preferred choice for unilateral
    workout routines similar to split squats and single-leg deadlifts.
    The quick answer is until you attain your limits and stop bettering.

    «Typically, most training programmes are eight to 12 weeks,» says Petersen.
    This could be painful to some and might prevent you
    from exercising persistently if you are in ache when you run. When your health club is filled
    with individuals, and you have access to the Smith machine only, these workout
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    In this weblog, I’ve outlined the most effective Smith machine
    exercises for every muscle group. The upright row is a pull exercise that bolsters shoulder and
    higher again muscles and makes your torso
    look extra aesthetic.
    Following a sound routine full with training good
    technique, specializing in fatigue, and with out machines simply may be exactly what
    you should jumpstart your leg features as soon as again. You can both do both exercises in the identical week (separated by three days or so) or you
    would alternate the two from week to week. If you’re used to loading plates and
    lifting stacks then this new way of training will have you
    in a little bit of a flux. Where it lacks within the amount of loads used it duly makes up in activation for muscle development.

    It successfully targets all of the core muscle tissue to
    offer you extra stability, coordination, and energy.
    As such, it is sensible to pair your leg muscle tissue with smaller muscle
    tissue just like the abs. Contrary to popular perception, chests pressing on a machine with a coordinated vary of
    motion is as effective as utilizing a dumbbell or a barbell [6].
    For example, all our compound workouts involve different movements and ranges
    of motion. This sort of workout construction permits your muscle tissue
    to be stimulated in a extra environment friendly manner, triggering growth quicker
    [5].
    For this purpose, I’ve compiled a collection of workout
    routines that received’t only fortify your glutes, quads, hamstrings, and calves, but also solidify your basis for many years to return. The
    Smith machine lunge is a lower-body unilateral train that allows you to work one leg
    at a time. This unilateral motion pattern helps enhance steadiness and
    stability, addresses potential muscle imbalances between the legs,
    and enhances practical and athletic health.

    Maintain your feet firmly planted and your body regular to keep up proper form.
    Many health club goers discover focusing on their abdominal muscle tissue
    to be a bit of a problem, getting misplaced in a sea of machines and routines.
    This exercise strengthens the hip abductor muscles that assist
    the hip joint. This joint could be very prone to injury, so stronger supporting muscle tissue around your hip can lower your damage danger.

    The aim with this one is to feel a really
    good stretch in your hamstrings and squeeze the heck out of
    your glutes on the top. The path of the bar is both vertical or
    pitched at a 5-7-degree angle to raised mimic the natural
    arc of a weight being lifted up. Whereas there could also be some instances the place using this machine is preferred—limited mobility, for example—you are
    higher off utilizing a resistance band for targeting the abductors and adductors.

    By Way Of «Fit Life Regime,» he generously shares the insights he’s gained over a decade in the field.
    His aim is to equip others with the information to begin out their
    own fitness journey. That implies that the
    glutes become involved as properly (as the name of the train would
    imply), together with the spinal erectors.
    With no concern of getting crushed beneath a heavy bar and no
    steadiness points, you can push your legs to their limit.

    When you change the way that your physique is
    positioned and how the cable is angled, you acquire extra management over the range of motion. You
    can make it more or less, allowing you to recruit extra stabilizing muscle fibers too.

    Whether you are a seasoned pro or just starting out,
    we offer skilled tips and reliable recommendation that will help you create the ultimate health club
    experience in the comfort of your own house. It’s a easy exercise, however do it properly, and it should get your whole muscles fired
    up. Here Is a fast workout you’ll have the ability to attempt on the following Smith machine you see in your local gym or if you’ve purchased one on your residence fitness center.
    If you use nothing however the Smith machine, you would possibly encounter a few injuries due to the overuse of
    certain muscles and the underuse of your stabilizers.
    Another facet to consider is that it removes lots of work from
    your stabilizer muscles.
    Resting the bar on your shoulders means there’s a lengthy
    lever, and you may really feel it more in your lumbar spine than your glutes and hammies.
    Smith machine Romanian deadlifts are relatively decrease back-friendly, and you’ll in all probability really feel it extra in your muscle tissue and fewer
    in your spine. With lunges, you’re employed one leg at a
    time, which is a handy way to spot and repair strength and muscle imbalances.
    There are many alternative lunges to select from, together with ahead, lateral, and walking.
    The place of your feet and the angle of your torso signifies that hack squats are extra quads-centric than regular squats.
    Nonetheless, you’ll need a hack squat machine to do that exercise.
    In this text, I reveal the 12 best leg workouts and exercises you can do with this gym staple.

    Leg coaching actually is the cornerstone of a great workout plan, and mass added to your lower body normally
    means you’ll improve upper body muscle dimension too.

    This combo exercise combines box squats with squat jumps to target your power-generating fast-twitch muscle fibers.
    It’s not the best muscle-building exercise, but it should have a constructive knock-on effect
    in your lower physique performance, making future
    exercises much more productive. Snatch grip deadlifts are like common deadlifts however with a greater
    range of motion. This means they’re harder on your glutes and
    hamstrings than typical deadlifts. Use lighter than normal weights to
    replicate this increase in problem. There’s
    no school just like the old-school, and barbells are the unique old-school training device.

    Here are a few of the workout machines that will get your leg muscular
    tissues burning in the greatest way potential. Another similarity
    to the leg press machine, alternating the foot
    positioning will permit for various muscle tissue to
    be focused. For example, a lower foot placement will have
    a higher focus on quads, glutes, and calves with
    less emphasis on hamstrings. One benefit of the leg press machine
    is that you could change the main target to totally different muscles by varying your foot
    position. For quads, place the toes hip-width aside
    with the legs at ninety levels.
    Let’s check out a quantity of guidelines in your journey to greater legs with out machines after which
    we’ll look at a program to get you began. Customers have completely different views on the train machine’s construct quality.

    Some discover it well-made and helpful for circulation and leg energy, while
    others point out issues with durability, low-cost plastic material, and wheels breaking
    down simply.

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