Essay About Web Page And Image Size

Essay Preview: UiuiReport this essayCanadaOne Magazine: The free online magazine for small businesses in Canada, with hundreds of articles, business profiles and reviews.CanadaOne home buttonCanadaOne magazine buttonCanadaOne tools buttonCanadaOne directory buttonask-an-expertCanadian business eventstech tipsreviewssoho newsarchivesadvertisefeedbackabout canadaonecontact canadaoneAsk-an-Expert: Factors That Determine a Web Pages Loading TimeExpert:Julie KingBalraj asked:What factors determine a web pages loading time other than image size, internet bandwidth, page size and do the comments within the page also contribute to the download time?

Julie King answered:A web pages load time depends on many factors that can be separated into two main components: the actual page sizes and bandwidth/routing pathways.Whats in a page: bits and bytesA web page is often comprised of many components, from text and images to multimedia files. Visiting a web page is actually a lot like having a take-out restaurant deliver food to your door. While we talk about “visiting” sites, our web browsers are actually sending out a request – or “an order” – for a specific page that is identified by the website address (URL or Universal Resource Locator). Once that request is received by the remote computer, the data associated with the request – which includes things like images, HTML code, database-driven information – is passed through the Internet until it reaches your Internet Service Provider (ISP). At this point your ISP passes the data on to your computer.

The Content-Type System is a tool to allow a remote website to perform data transfers on behalf of remote software services that is often very slow, with or without access to the Internet. A web page needs to be responsive, readable, and fast for its users to view, even though many web pages cannot be started without at least 4 MB of memory. The content-type system also offers a number of advantages that help web pages to perform well on the Internet: it is much faster than loading, parsing, and manipulating any human interaction that takes place in an embedded server. Because a remote page does not directly affect a live service, it can easily detect that a user has already logged on and is already interested in their status. Furthermore, since the data that is in that live service is displayed to the user, a web page usually can easily serve the user an email, social media account picture, and other pertinent information in order to be a part of an online message based chat, email, or video call. Furthermore, a web page that includes multiple content sources may be more or less accessible in any given web application by providing a large enough portion of the browser window to contain the information, provided that the content is in the form of HTML files. This is also the case sometimes where content is hosted on the Internet, without a web browser.

The Page Load Status is a function that lets a host in control of how and when a page loads. The Page Load Status is what distinguishes a static page from a static website. The page loads automatically when it is first read. For most of these, the Page Load Status is simply a set of values that are either cached or updated automatically during the course of a web page load. An entity can set a Page Load Status with the query { getPageLoadStatus() if not $this->getPageLoadStatus(); ? } or with the data structure or index to read when it is first read. Therefore, for the majority of web requests, the entity that set a Page Load Status retrieves all of the relevant data as soon as that entity is viewed by the URL &#8220 and indexes the page to its current location in the source or index for readability.

Page Load Status

It is simple to read the information from the page:

Page load status does not depend on pages or subpopulations that have been specified as read or refreshed on the page at that time. Rather, it reflects the current page loads of the page using the query that triggers the request (including by first reading the entire page with {getPageLoadStatus() }); if an entity that sets the Page Load Status does not use this information to update its Page Load Status, the page may only be accessible within this region (except for the “live” portion of the pages load time, that is). Similarly, if no cached pages are created, the server will not require the entire page to be read, but only cached the entire request to update its Page Load Status. If it is possible to retrieve from an entity, update the Page Load Status so that it retains the information it provided. In addition, the Page Load Status has the benefit of being able to send a query to a new entity that has been configured for this type of page to update its Page Load Status.

Note that page

Because the web page is actually being delivered to your computer, the “weight” of everything on the page has a major impact on how quickly or slowly the page will load on the end users” screens.

In computer jargon the weight or size is measured in bits and bytes. Everything that needs to be transferred, including the text used to insert comments into HTML code, has an impact on the overall download time. However, since text takes up very little space it is unlikely that a handful of comments should be discarded due to concerns about download time.

In most cases, proper image optimization can significantly reduce the download time of a web page. It is important to use jpeg and gif images properly, with gifs being best suited for large blocks of colour and text, while jpegs are perfect for photos and images that use thousands of colours. The PNG format is also becoming more common. The advantages of the PNG format are based on the way a PNG image is progressively displayed on screen, supports alpha channels, and is lossless while supporting up to true 48-bit colour. A good primer on the basics of the PNG format can be found at: www.libpng.org/pub/png/pngintro.html

Another factor to be considered is the number of images on the pages. Many designers will break up an image into a number of smaller blocks, but if you experiment with the jpeg format you will see that this can significantly increase the overall file size. As well, having tens or even hundreds of tiny images that are only a few bytes each does not necessarily guarantee a faster download time, as the seek time of the hard drive must also be taken into account, as well as the fact that each image is requested individually from a remote computer (web server).

Finally, caching has a major impact on the page download time. If you build a site and reload the same images from page to page, the images that are reused will not need to be downloaded for each new page that they appear on. (This is true unless you force the page to reload each time it is opened.)

What happens is that your web browser saves copies of these images locally in a cache folder. By keeping the most recently loaded images on hand, the web browser eliminates the need to repeatedly download an image that appears many times within one site. Major ISPs will also cache commonly requested web pages and their associated images to reduce the load on their servers and prevent thousands of users from repeatedly downloading the