main

Application Acceleration & OptimizationApplication Delivery

Optimizing Multi-Cloud, Cross-DC Web Apps and Sites

September 27, 2018 — by Prakash Sinha0

multi_cloud_speed_web_apps-960x640.jpg

If you are working from your organization’s office, the chances are good that you are enjoying the responsiveness of your corporate LAN, thereby guaranteeing speedy load times for websites and applications.

Yahoo! found that making pages just 400 milliseconds faster resulted in a 9% increase in traffic. The faster site also doubled the number of sessions from search engine marketing and cut the number of required servers in half.

Don’t Fly Blind – Did Someone Say Waterfall?

Waterfall charts let you visualize cumulative data sequentially across a process. Performance waterfalls for webpages, shown below, generated using webpagetest.org, lets you see the series of actions that occur between a user and your application in order for that user to view a specific page of your site.

The Webpagetest.org waterfall chart below shows the connections view with a breakdown showing DNS Lookup, TCP connection establishment, Time to First Byte (TTFB), rendering time and document complete.

[You might also like: Considerations for Load Balancers When Migrating Applications to the Cloud]

Optimizing Web-Facing Apps That Span Cloud and/or Data Center Boundaries

The performance of a website correlates directly to that web site’s success. The speed with which a web page renders in a user’s browser affects every conceivable business metric, such as page views, bounce rate, conversions, customer satisfaction, return visits, and of course revenue.

Latency, payload, caching and rendering are the key measures when evaluating website performance. Each round trip is subject to the connection latency. From the time the webpage is requested by the user to the time the resources on that webpage are downloaded in the browser is directly related to the weight of the page and its resources. The larger the total content size, the more time it will take to download everything needed for a page to become functional for the user.

Using caching and default caching headers may reduce the latency since less content is downloaded and it may result in fewer round trips to fetch the resources, although sometimes round trips may be to validate that the content in the cache is not stale.

Browsers need to render the HTML page and resources served to them. Client-side work may cause poor rendering at the browser and a degraded user experience, for example, some blocking calls (say 3rd party ads) or improper rendering of page resources can delay page load time and impact a user experience.

The low hanging fruit to enable optimizations are easy and obvious such as reducing the number of connection set up using keep-alive and pipelining. Another easy fix is to compress the objects to reduce the size of the payload for the data received by the browser and to utilize caching to manage static objects and pre-fetch data (if possible). A content delivery network (CDN) may serve static contents closer to the users to reduce latency. More involved and advanced optimizations may include techniques to consolidate resources when fetching from the server, compressing images that are sent to the browser depending on the type of device, the speed of connection, the location of the user, and reducing the size of objects requested by content minification. Some additional techniques, such as delaying ads after the page has become usable to the user, may improve the perception of web page and applications.

Read “Just Group Achieves Web Page Acceleration” to learn more.

Download Now

Application DeliveryWPO

Why Are Eighty Percent Of Travel Sites Failing Customer Expectations?

May 31, 2016 — by Matt Young0

travel-site-performance-2-960x559.png

The travel industry is changing.

As the world’s population grows and migrates from region to region, it adds to the number of people traveling back-and-forth from their new homes to loved ones in their countries of origin. Additionally, the hyper-competitive tour industry continues to invest big money to entice vacationers and sightseers to venture to new places far and wide. Be it planes, trains, cruises, or automobiles, people are getting around to motels, hotels, hostels and resorts, and the amount of money generated is huge.

Application DeliveryWPO

eCommerce Closes in on the Three Second Pageload Target

April 12, 2016 — by Matt Young0

ert-report-retail-3-960x640.png

It may be hard to believe, but ecommerce sites have been around in earnest for a little over 20 years – Amazon and eBay were both founded in 1995 (right as the Netscape and Internet Explorer browsers were debuting), preceded the year before by J.C. Penney. In 1997, Dell became the first company to land $1 million in online sales.

Twenty years later, it’s hard to imagine a world without ecommerce. Virtually anything can be, and is, bought online, to the tune of $1.2 trillion U.S. dollars globally in 2013, and an estimated $1.672 trillion in 2015. It may have started with books and music, but it encompasses pretty much everything at this point.

Application DeliveryWPO

Why it takes so long for news, sports, and travel sites to load

March 22, 2016 — by Matt Young4

website-performance-2-960x640.png

What’s the price of a second?

When Amazon.com went down for 20 minutes earlier this month, it cost the ecommerce giant an estimated $3.75 million – $3,125 per second.

Many other sites are leaving money on the table even when their sites are fully operational. The 2016 State of the Union: Multi-Industry Web Performance (Desktop Edition) found that most travel, news, and sports sites fail one of the most fundamental tests of web performance: load time.

WPO

Performance Bottlenecks Evident in the Top 50 Sites of Multiple Industries

March 22, 2016 — by Kent Alstad6

Web pages are trying to do too many things, and often failing to optimize along the way.

It’s not just ecommerce sites, either: for this quarter’s State of the Union Report, we decided to look at the top 50 websites of four key industries to see what web performance bottlenecks were prevalent, and we learned quite a bit in analyzing news, travel and sports sites, along with ecommerce.

Application DeliveryWPO

5 Ways ADCs Can Improve Your Network Infrastructure’s Performance

December 14, 2015 — by Yaron Azerual1

Optimizing network performance is a task that spans multiple domains – from architecting the network, with capacity and topology (segmentation) considerations, through redundancy, bandwidth management and security aspects. But today, I would like to raise 5 additional ways to optimize overall network performance by best utilizing advanced Application Delivery Controller (ADC) capabilities for front end applications.

Application Acceleration & OptimizationApplication DeliveryWPO

Do You Still Need Optimization After Migrating to HTTP/2?

September 17, 2015 — by Matt Young0

There’s a lot of talk about HTTP/2. Why? Possibly because it promises to help alleviate some of the bottlenecks that come along with the dynamic, rich webpages that people have come to expect.

The consumer market is driven by media consumption, be it high-definition videos, third-party plugins or animations, and these are bandwidth-hungry elements in an adversarial relationship with page load speeds.

Application Acceleration & OptimizationApplication DeliveryWPO

Why Are Online Retailers Leaving Millions Of Dollars On The Table?

September 15, 2015 — by Matt Young0

Online retailers are leaving millions of dollars – yes, millions – on the table.  Why is this?

In the hyper-competitive world of online commerce sites, every second is absolutely critical in ensuring a user experience that will yield the maximum likelihood of conversion, meaning a site visitor follows through and makes a purchase.

Application Acceleration & OptimizationApplication DeliverySecurity

HTTP/2 Will Break Your Security – Here’s How to Fix it

September 10, 2015 — by Yaron Azerual0

Now that HTTP/2 is here and widely adopted by client browsers, many of the performance challenges that existed with HTTP1.1 are finally addressed and solved.  But what about security?

While HTTP/2 provides a higher level of privacy by mandating (de-facto because of browser implementation) traffic encryption, security solutions such as Web Application Firewalls (WAFs) are not keeping pace with the HTTP/2 evolution.

Application Acceleration & OptimizationApplication DeliveryWPO

REPORT: State of the Union for Ecommerce Page Speed & Web Performance (Summer 2015)

September 8, 2015 — by Matt Young8

In the hyper-accelerated world of technology, the modern consumer is bombarded with near-daily news of technological breakthroughs, OS updates, device refreshes and breakneck broadband speeds. With this all comes a reinforcement of expectations for modern webpages to deliver dynamic, rich content on par with high-definition cable programming, delivered just as fast as a user would change a channel from one HD broadcast to another.