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Microservices Authors: Jason Bloomberg, Stackify Blog, Ayman Sayed, Gopala Krishna Behara, Sridhar Chalasani

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Web Performance Optimization | @DevOpsSummit #DevOps #WebPerf

We also know that performance optimization can be very time consuming and potentially expensive

Web Performance Optimization: Top Three Server and Client-Side Performance Tips
By Matt Watson

We live in a world where nobody is willing to wait for anything. We have become accustomed to websites and mobile apps working instantly. If I click on a search result from Google and it doesn't load within a couple seconds, I will no doubt just click on a different result. We have all been trained to expect websites to load blazingly fast.

We all know that the performance of our software is important!

We also know that performance optimization can be very time consuming and potentially expensive. We also know that premature optimization is a bad thing.

Web performance optimization is a never-ending job. In this article we will review some of the top server and client-side performance issues and how to resolve them.

What is web performance optimization?
Web performance optimization occurs by monitoring and analyzing the performance of your web application and identifying ways to improve it.

Web applications are a mixture of server-side and client-side code. Your application can have performance problems on either side and both need to be optimized.

The client side relates to performance as seen within the web browser. This includes initial page load time, downloading all of the resources, JavaScript that runs in the browser, and more.

The server side relates to how long it takes to run on the server to execute requests. Optimizing the performance on the server generally revolves around optimizing things like database queries and other application dependencies.

Let's take a deeper look at how to optimize performance for both the client and server sides.

Optimizing client performance
Client performance typically revolves around reducing the overall size of web pages. This includes the size of the files and perhaps more importantly, the number of them.

It is common these days for a single web page to load 100+ files. You can quickly see this via your web browser with the dev tools. For Google Chrome, hit F12 (on Windows), go to the Network tab and then reload a page on your site.

For example, here is what it looks like for the home page of CNN.

CNN screenshot to show page load time

As you can see, it took 11.04 seconds to download 188 files to load the page. Yikes!

This gives you a basic understanding of how long it takes and how many files are being downloaded. Your goal is to optimize both of these.

Here are some of the top strategies to optimize performance on the client side

1. Caching & content delivery networks
One of the smartest things you can do is leverage a content delivery network (CDN). Many of the files on your website, like JavaScript, CSS, and image files, are static and do not change.

You can increase the performance of your website by caching these files on servers closer to where your users are. This offloads the traffic from your servers and makes your site load faster.

I highly recommend Cloudflare for this. It is extremely simple to setup and just works.

2. Bundle & minification
One of the most important things you want you to do is bundle your files together so there are fewer files. You can also optimize their contents to shrink the file size down through various minification techniques.

Unfortunately, bundling and minification typically require code changes to accomplish.

The Cloudflare content delivery network offers a feature called Rocket Loader that can automatically combine your JavaScript for you. I have also used a WordPress plugin called Fast Velocity that is also pretty awesome.

3. Optimizing image usage
I struggle with this problem a lot. My computer has a 4K monitor so I am always taking pretty large screenshots and inserting them into blog posts. This causes the image files to be large. Also, having multiple screenshots on a page can really slow it down.

Most images can be optimized and made smaller. There are tools for jpeg and png files to help shrink the files. If you are using WordPress, there are plugins that can automatically do it.

If you have a lot of small icons on your pages, you should consider switching to an icon font like Font Awesome or using image sprites.

Lastly, if you have pages that are long with a lot of images, you may want to consider lazy loading your images. This means that on page load, you only load the images that you can see on the screen. As your user scrolls down, you setup your site to load additional images.

Optimizing server performance
No matter which programming language you are using, there are several common issues that cause performance problems.

Web performance optimization isn't just about optimizing the client. Many performance problems are due to slow SQL queries, hidden errors, and other issues.

1. Optimize usage of application dependencies
Most software applications use SQL databases, caching, external web services, and other application dependencies. These are things like SQL Server, Oracle, Redis, MongoDB, Elasticsearch and external HTTP web services.

The best way to evaluate how your code is using application dependencies and how they perform is by code profiling. Products like Retrace are safe to use on your servers and can instantly show you which dependencies are being used and how long they take.

Below is an example of a typical web application with pretty consistent traffic and performance.

an example of a typical web application with pretty consistent traffic and performance.

In this example below you can quickly identify that Redis is causing big performance spikes.

In this example below you can quickly identify that Redis is causing big performance spikes.

One of the common problems is identifying slow SQL queries and figuring out how to improve their performance. Another common issue is identifying SQL queries that are being called too often.

 identifying slow SQL queries and figuring out how to improve their performance

2. Identify top application errors
Your application is probably throwing all sorts of exceptions that you don't even know about. Exceptions are one of the best ways to identify bugs and even performance problems in your code.

Retrace can collect and provide excellent reporting about all the exceptions that are being thrown within your code.

Retrace can collect and provide excellent reporting about all the exceptions that are being thrown within your code.

Exceptions themselves cause a lot of performance overhead. An application that throws thousands of exceptions a minute will consume a lot more CPU than it should.

This is a common problem in code that does a lot of data parsing in "try catch" blocks and just ignores any exceptions being thrown.

Learn more: How GWB Found Hidden Exceptions and Application Performance Problems

3. Optimize your most-used web pages
If you don't know which pages on your site are used the most and which ones are the slowest, you definitely should.

You could try and do this by parsing the logs from your web server. This is a nightmare if your web application uses REST URLs because most of the URLs will be unique.

An easier way is using an application performance management solution like Retrace.

Your goal is to identify which requests are being used the most and which ones are taking up the most amount of time on your server. This helps you prioritize where to do performance tuning.

You goal is to identify which requests are being used the most and which ones are taking up the most amount of time on your server.

With Retrace, you can also view code-level performance to understand exactly what it is doing.

With Retrace, you can also view code-level performance to understand exactly what it is doing.

Summary
Web performance optimization is a job that is never done. As you continue to make changes to your software and roll out new features, its usage and performance will continue to change.

I recommend reviewing your application performance monitoring tools like Retrace on a weekly basis, looking for things that could use some improvement. You can then prioritize these work items as part of your next sprint.

Also be sure to check out some of our other guides about application performance.

The post Web Performance Optimization: Top 3 Server and Client-Side Performance Tips appeared first on Stackify.

CloudExpo | DXWorldEXPO have announced the conference tracks for Cloud Expo 2018, introducing DXWorldEXPO.

DXWordEXPO, colocated with Cloud Expo will be held June 5-7, 2018, at the Javits Center in New York City, and November 6-8, 2018, at the Santa Clara Convention Center, Santa Clara, CA.

Digital Transformation (DX) is a major focus with the introduction of DXWorld Expo within the program. Successful transformation requires a laser focus on being data-driven and on using all the tools available that enable transformation if they plan to survive over the long term.

A total of 88% of Fortune 500 companies from a generation ago are now out of business. Only 12% still survive. Similar percentages are found throughout enterprises of all sizes.

Cloud Expo | DXWorldEXPO 2018 New York
(June 5-7, 2018, Javits Center, Manhattan)

Cloud Expo | DXWorldEXPO 2018 Silicon Valley
(November 6-8, 2018, Santa Clara Convention Center, CA)

Full Conference Registration "Gold Pass" and Exhibit HallHere (Register ▸ Here via EventBrite)

DX World EXPO, LLC., a Lighthouse Point, Florida-based startup trade show producer and the creator of DXWorldEXPO® - Digital Transformation Conference & Expo has announced its conference agenda, with three major themes:

* Technology - The Revolution Continues
* Economy - The 21st Century Emerges
* Society - The Big Issues

"DX encompasses the continuing technology revolution, and is addressing society's most important issues throughout the entire $78 trillion 21st-century global economy," said Roger Strukhoff, Conference Chair. "DXWorldExpo has organized these issues along 10 tracks with more than 500 of the world's top speakers coming to Istanbul to help change the world."

There are 10 tracks running throughout the event and following the major themes. More than 500 breakout sessions will be featured, along with keynotes and general sessions from some of the world's top technology, business, and societal leaders. The event will be held over five days in Istanbul, reflecting the global nature of Digital Transformation and the city's long and historic role as a key business and intellectual center and linchpin between East and West.

Full Conference Registration "Gold Pass" and Exhibit HallHere (Register ▸ Here via EventBrite)

DX World Expo's Global Themes and Tracks are as follows:

Technology - The Revolution Continues

DX Tech: Data-Driven Global 2000
DX Tech: The Blockchain Challenge
DX Tech: AI and Cognitive
DX Tech: The Global Cloud

Economy - The 21st Century Emerges

DX Econ: Software is Rewriting the World
DX Econ: Smart Cities, Nations, and Regions
DX Econ: FinTech and the Token Economy
DX Econ: The Industrial Internet and Industrie 4.0

Society - The Big Issues

DX Society: Environment
DX Society: Education
DX Society: Agriculture
DX Society: Health Care

Call for Papers -speaking opportunities- as well as sponsorship and exhibit opportunities will open on November 1, 2017.

World's Most Important Tech Event
DXWorldEXPO® will be the world's most important tech event with 1,000 exhibitors in its first year and 2,000 exhibitors in its second year, as it guides Global 2000 companies through their Digital Transformation journey for the next two decades. The global event is set to launch September 17-20, 2018 in Istanbul. It will be sponsored by Fortune 50 companies, and more than 30 international banks will be among sponsors of its FinTech/InsurTech track.

Gaining a better understanding of customers and acting upon this information is the foundation of Digital Transformation (DX) in the enterprise. Applying the latest technologies in this area is the key to driving new topline revenue opportunities.

Global 2000 companies have more than US$40 trillion in annual revenue - more than 50% of the world's entire GDP. The Global 2000 spends a total of US$2.4 trillion annually on enterprise IT. The average Global 2000 company has US$11 billion in annual revenue. The average Global 2000 company spends more than $600 million annually on enterprise IT.

Governments throughout the world spend another US$500 billion on IT - much of it dedicated to new Smart City initiatives. There are more than a dozen Global 2000 companies in Turkey, including Isbank, Garanti Bank, other financial institutions, Turk Telecom, Turkcell, Turkish Airlines, and ENKA.

Cloud Expo | DXWorldEXPO 2018 New York
(June 5-7, 2018, Javits Center, Manhattan)

Cloud Expo | DXWorldEXPO 2018 Silicon Valley
(November 6-8, 2018, Santa Clara Convention Center, CA)

Full Conference Registration "Gold Pass" and Exhibit HallHere (Register ▸ Here via EventBrite)

More Management Quotes
"For the past 10 years at Cloud Expo, we've helped drive the migration to modern enterprise IT infrastructures, built upon the foundation of cloud computing. Today's hybrid, multiple cloud IT infrastructures integrate Big Data, analytics, blockchain, the IoT, mobile devices, and the latest in cryptography and enterprise-grade security," said Fuat Kircaali, Chairman and founder of DX World Expo, LLC.

"As a report from the World Economic Forum and Accenture recently stated, 'Companies need to fundamentally change the way they identify, develop and launch new business ventures.' We agree," said Carmen Gonzalez, president of DX World Expo, LLC.

"Digital Transformation is the key issue driving the global enterprise IT business," said Roger Strukhoff, Conference Chair and Executive Director of the Tau Institute for Global ICT Studies. "DX is most prominent among Global 2000 enterprises and government institutions. Our new event in Istanbul brings together the top companies and delegates from around the world, who are transforming the world."

2018 Conference Agenda and Tracks, June 5-7, Javits Center

Track 1 | Cloud Expo - Enterprise Cloud
Track 2 | DXWorld Expo - Digital Transformation (DX)
Track 3 | The API Enterprise | Mobility & Security
Track 4 | DevOps | Containers & Microservices
Track 5 | Cognitive Computing | AI, ML, DL
Track 6 | Big Data | Analytics
Track 7 | IoT | IIoT | Smart Cities
Track 8 | Hot Topics | FinTech | WebRTC

Cloud Expo covers all of these tools, with the most comprehensive program and more than 120 top world-class speakers throughout our Industry presenting Keynotes, General Sessions, Breakout Sessions along eight focused tracks, as well as our signature Power Panels. Our expo floor brings together the world's leading companies throughout the world of Cloud Computing, DX, and all they entail.

As your enterprise creates a vision and strategy that enables you to create your own unique, long-term success, learning about all the technologies involved is essential. Companies today not only form multi-cloud and hybrid cloud architectures, but create them with built-in cognitive capabilities. Cloud-native thinking is now the norm in financial services, manufacturing, telco, healthcare, transportation, energy, media, entertainment, retail and other consumer industries, as well as the public sector.

Cloud Expo is the world's most important, independent event where technology buyers and vendors meet to experience and discuss the big picture of Digital Tranformation and all of the strategies, tactics, and tools they need to realize their goals.

Full Conference Registration "Gold Pass" and Exhibit HallHere (Register ▸ Here via EventBrite)

Only Cloud Expo brings together all this in a single location:

  • Cloud Computing
  • Big Data & Analytics
  • Software-Defined Infrastructure
  • Industrial IoT
  • Industry 4.0
  • Artificial Intelligence
  • Cognitive Computing
  • Microservices
  • Machine Learning
  • DevOps
  • WebRTC
  • FinTech
  • Digital Transformation

Attend Cloud Expo. Build your own custom experience. Learn about the world's latest technologies and chart your course to Digital Transformation.

21st International Cloud Expo, taking place October 31 - November 2, 2017, at the Santa Clara Convention Center in Santa Clara, CA, will feature technical sessions from a rock star conference faculty and the leading industry players in the world.

Download Show Prospectus ▸ Here

Full Conference Registration "Gold Pass" and Exhibit HallHere (Register ▸ Here via EventBrite)

Cloud computing is now being embraced by a majority of enterprises of all sizes. Yesterday's debate about public vs. private has transformed into the reality of hybrid cloud: a recent survey shows that 74% of enterprises have a hybrid cloud strategy. Meanwhile, 94% of enterprises are using some form of XaaS - software, platform, and infrastructure as a service.

With major technology companies and startups seriously embracing Cloud strategies, now is the perfect time to attend 21st Cloud Expo, October 31 - November 2, 2017, at the Santa Clara Convention Center, CA, and June 12-14, 2018, at the Javits Center in New York City, NY, and learn what is going on, contribute to the discussions, and ensure that your enterprise is on the right path to Digital Transformation.

2018 Conference Agenda and Tracks, June 5-7, Javits Center

Track 1 | Cloud Expo - Enterprise Cloud
Track 2 | DXWorld Expo - Digital Transformation (DX)
Track 3 | The API Enterprise | Mobility & Security
Track 4 | DevOps | Containers & Microservices
Track 5 | Cognitive Computing | AI, ML, DL
Track 6 | Big Data | Analytics
Track 7 | IoT | IIoT | Smart Cities
Track 8 | Hot Topics | FinTech | WebRTC

Cloud Expo | DXWorldEXPO 2018 New York
(June 5-7, 2018, Javits Center, Manhattan)

Cloud Expo | DXWorldEXPO 2018 Silicon Valley
(November 6-8, 2018, Santa Clara Convention Center, CA)

Full Conference Registration "Gold Pass" and Exhibit HallHere (Register ▸ Here via EventBrite)

Download Show ProspectusHere

Every Global 2000 enterprise in the world is now integrating cloud computing in some form into its IT development and operations. Midsize and small businesses are also migrating to the cloud in increasing numbers.

Companies are each developing their unique mix of cloud technologies and services, forming multi-cloud and hybrid cloud architectures and deployments across all major industries. Cloud-driven thinking has become the norm in financial services, manufacturing, telco, healthcare, transportation, energy, media, entertainment, retail and other consumer industries, and the public sector.

Cloud Expo is the single show where technology buyers and vendors can meet to experience and discus cloud computing and all that it entails. Sponsors of Cloud Expo will benefit from unmatched branding, profile building and lead generation opportunities through:

  • Featured on-site presentation and ongoing on-demand webcast exposure to a captive audience of industry decision-makers.
  • Showcase exhibition during our new extended dedicated expo hours
  • Breakout Session Priority scheduling for Sponsors that have been guaranteed a 35-minute technical session
  • Online advertising in SYS-CON's i-Technology Publications
  • Capitalize on our Comprehensive Marketing efforts leading up to the show with print mailings, e-newsletters and extensive online media coverage.
  • Unprecedented PR Coverage: Editorial Coverage on Cloud Computing Journal.
  • Tweetup to over 75,000 plus followers
  • Press releases sent on major wire services to over 500 industry analysts.

For more information on sponsorship, exhibit, and keynote opportunities, contact Carmen Gonzalez by email at events (at) sys-con.com, or by phone 201 802-3021.

The World's Largest "Cloud Digital Transformation" Event

@CloudExpo | @ThingsExpo 2017 Silicon Valley
(Oct. 31 - Nov. 2, 2017, Santa Clara Convention Center, CA)

@CloudExpo | @ThingsExpo 2018 New York
(June 12-14, 2018, Javits Center, Manhattan)

Full Conference Registration "Gold Pass" and Exhibit HallHere (Register ▸ Here via EventBrite)

Sponsorship Opportunities

Sponsors of Cloud Expo | @ThingsExpo will benefit from unmatched branding, profile building and lead generation opportunities through:

  • Featured on-site presentation and ongoing on-demand webcast exposure to a captive audience of industry decision-makers
  • Showcase exhibition during our new extended dedicated expo hours
  • Breakout Session Priority scheduling for Sponsors that have been guaranteed a 35 minute technical session
  • Online targeted advertising in SYS-CON's i-Technology Publications
  • Capitalize on our Comprehensive Marketing efforts leading up to the show with print mailings, e-newsletters and extensive online media coverage
  • Unprecedented Marketing Coverage: Editorial Coverage on ITweetup to over 100,000 plus followers, press releases sent on major wire services to over 500 industry analysts

For more information on sponsorship, exhibit, and keynote opportunities, contact Carmen Gonzalez (@GonzalezCarmen) today by email at events (at) sys-con.com, or by phone 201 802-3021.

Secrets of Sponsors and ExhibitorsHere
Secrets of Cloud Expo SpeakersHere

All major researchers estimate there will be tens of billions devices - computers, smartphones, tablets, and sensors - connected to the Internet by 2020. This number will continue to grow at a rapid pace for the next several decades.

With major technology companies and startups seriously embracing Cloud strategies, now is the perfect time to attend @CloudExpo | @ThingsExpo, October 31 - November 2, 2017, at the Santa Clara Convention Center, CA, and June 12-4, 2018, at the Javits Center in New York City, NY, and learn what is going on, contribute to the discussions, and ensure that your enterprise is on the right path to Digital Transformation.

Delegates to Cloud Expo | @ThingsExpo will be able to attend 8 simultaneous, information-packed education tracks.

There are over 120 breakout sessions in all, with Keynotes, General Sessions, and Power Panels adding to three days of incredibly rich presentations and content.

Join Cloud Expo | @ThingsExpo conference chair Roger Strukhoff (@IoT2040), October 31 - November 2, 2017, Santa Clara Convention Center, CA, and June 12-14, 2018, at the Javits Center in New York City, NY, for three days of intense Enterprise Cloud and 'Digital Transformation' discussion and focus, including Big Data's indispensable role in IoT, Smart Grids and (IIoT) Industrial Internet of Things, Wearables and Consumer IoT, as well as (new) Digital Transformation in Vertical Markets.

Full Conference Registration "Gold Pass" and Exhibit HallHere (Register ▸ Here via EventBrite)

Financial Technology - or FinTech - Is Now Part of the @CloudExpo Program!

Accordingly, attendees at the upcoming 21st Cloud Expo | @ThingsExpo October 31 - November 2, 2017, Santa Clara Convention Center, CA, and June 12-14, 2018, at the Javits Center in New York City, NY, will find fresh new content in a new track called FinTech, which will incorporate machine learning, artificial intelligence, deep learning, and blockchain into one track.

Financial enterprises in New York City, London, Singapore, and other world financial capitals are embracing a new generation of smart, automated FinTech that eliminates many cumbersome, slow, and expensive intermediate processes from their businesses.

FinTech brings efficiency as well as the ability to deliver new services and a much improved customer experience throughout the global financial services industry. FinTech is a natural fit with cloud computing, as new services are quickly developed, deployed, and scaled on public, private, and hybrid clouds.

More than US$20 billion in venture capital is being invested in FinTech this year. @CloudExpo is pleased to bring you the latest FinTech developments as an integral part of our program, starting at the 21st International Cloud Expo October 31 - November 2, 2017 in Silicon Valley, and June 12-14, 2018, in New York City.

@CloudExpo is accepting submissions for this new track, so please visit www.CloudComputingExpo.com for the latest information.

Speaking Opportunities

The upcoming 21st International @CloudExpo | @ThingsExpo, October 31 - November 2, 2017, Santa Clara Convention Center, CA, and June 12-14, 2018, at the Javits Center in New York City, NY announces that its Call For Papers for speaking opportunities is open.

Submit your speaking proposal today! ▸ Here

About @CloudEXPO and @DXWorldEXPO
SYS-CON Media (www.sys-con.com) has since 1994 been connecting technology companies and customers through a comprehensive content stream - featuring over forty focused subject areas, from Cloud Computing to Web Security - interwoven with market-leading full-scale conferences. The company's internationally recognized brands include among others Cloud Expo® (@CloudExpo), Big Data Expo® (@BigDataExpo), DevOps Summit (@DevOpsSummit), @ThingsExpo® (@ThingsExpo), and DXWorldEXPO® (@ExpoDX).

@CloudExpo® and @ThingsExpo® are registered trademarks of CLOUD EXPO INC.

DXWorldEXPO® is a registered trademark of DX WORLD EXPO LLC.

More Stories By Stackify Blog

Stackify offers the only developers-friendly solution that fully integrates error and log management with application performance monitoring and management. Allowing you to easily isolate issues, identify what needs to be fixed quicker and focus your efforts – Support less, Code more. Stackify provides software developers, operations and support managers with an innovative cloud based solution that gives them DevOps insight and allows them to monitor, detect and resolve application issues before they affect the business to ensure a better end user experience. Start your free trial now stackify.com