---
title: "Issue 28: The latest Web operations, scaling, and performance news"
publication: "StatusCode Weekly"
issue: 28
published_at: "2015-08-19"
canonical_url: "https://weekly.statuscode.com/issues/28"
---

WebOps Weekly 28   . 

The latest Web operations, HTTP, and Web performance news -[Read this on the Web](http://webopsweekly.com/issues/28) 

[![WebOps Weekly\](http://webopsweekly.com/images/webops-header.png)](http://webopsweekly.com) Issue 28 — August 19, 2015     

[Eliminating Roundtrips in the Browser with Preconnect](https://www.igvita.com/2015/08/17/eliminating-roundtrips-with-preconnect/?utm_source=webopsweekly&utm_medium=email) The numerous roundtrips involved in downloading a page hit performance hard, but the new ‘preconnect hint’ in Firefox 39 and Chrome 46 lets you tell the browser up front about what connections you will need. Ilya Grigorik [Creating Network Throttling Profiles in Chrome](https://umaar.com/dev-tips/66-network-throttling-profiles/?utm_source=webopsweekly&utm_medium=email) Emulating network connectivity via Chrome’s DevTools has been possible for a while, but now you can create your own throttling profiles (in Canary only for now). Chrome Dev Tips [MapLatency: Check Latency, Ping, DNS & Page Load From Multiple Locations](http://www.maplatency.com/?utm_source=webopsweekly&utm_medium=email) tools While it claims to offer pings and similar checks from tens of thousands of locations, just seeing numerous ping times on a map is quite satisfying. Optimal Software [New: Java Token Authentication Guide](https://stormpath.com/blog/token-auth-for-java/?utm_source=web-ops-weekly&utm_medium=newsletter&utm_campaign=token-auth-for-java-blog) Learn to use JSON Web Tokens (JWTs) in your Java apps for secure authentication, authorization and cryptography _without_ any OAuth headaches. You’ll finish with a working sample app and a deep understanding of token-based auth. Stormpathsponsored[![\](https://copm.s3.amazonaws.com/68815910.png)](https://stormpath.com/blog/token-auth-for-java/?utm_source=web-ops-weekly&utm_medium=newsletter&utm_campaign=token-auth-for-java-blog) [How Widely Used Are Security Based HTTP Response Headers?](https://scotthelme.co.uk/how-widely-used-are-security-based-http-response-headers/?utm_source=webopsweekly&utm_medium=email) Who’s using _Content-Security-Policy_, _X-XSS-Protection_, and similar headers? Quite few major sites it seems. Scott Helme [Bringing SSL To Your Private Network](https://www.webreflection.co.uk/blog/2015/08/08/bringing-ssl-to-your-private-network?utm_source=webopsweekly&utm_medium=email) tutorial A handy script and walkthrough of quickly rolling out self signed certificates and using them for in-house development. Andrea Giammarchi [Tasks, Microtasks, Queues and Schedules in Browsers](https://jakearchibald.com/2015/tasks-microtasks-queues-and-schedules/?utm_source=webopsweekly&utm_medium=email) Getting your head around what ‘microtasks’ are and how browsers queue execution of tasks and microtasks in its event loops is essential if you’re doing performance work. Jake Archibald [Best Practices for Load Server Calibration](http://www.soasta.com/blog/load-performance-testing-best-practices/?utm_source=webopsweekly&utm_medium=email) tutorial “Load server calibration is an iterative process to accurately determine the appropriate number of virtual users to run from each load server.” Dan Boutin [Strategies for Cache-Busting CSS](https://css-tricks.com/strategies-for-cache-busting-css/?utm_source=webopsweekly&utm_medium=email) tutorial If your CSS has been cached somewhere and you _really_ need it to update, there are a few strategies. Chris Coyier [Understanding Critical CSS](http://www.smashingmagazine.com/2015/08/understanding-critical-css/?utm_source=webopsweekly&utm_medium=email) Inlining ‘critical’ CSS (that is, CSS that’s needed right away and helps pages render faster) into the head of an HTML document can provide a real speed boost, but how can it be done effectively? Dean Hume explains. Smashing Magazine Jobs [Join Stormpath as a Java Software Engineer](http://www.jobscore.com/jobs2/stormpath/senior-java-software-engineer/d_6wpmTHCr5kAdiGaltGfR) We’re using Spring, Java, and Cassandra to build a high-availability API that handles massive load and millions of users. Want to learn more? Stormpathsponsored In brief [How GQ Cut Its Webpage Load Time by 80 Percent](http://digiday.com/publishers/gq-com-cut-page-load-time-80-percent/?utm_source=webopsweekly&utm_medium=email) news Another content site gets overladen with ads, reboots, and gets a lot faster. Digiday [Facebook Now Drives More Traffic to Media Sites Than Google](http://fortune.com/2015/08/18/facebook-google/?utm_source=webopsweekly&utm_medium=email) news Fortune [Monitor Your Free Tier Usage on AWS](https://aws.amazon.com/blogs/aws/new-monitor-your-aws-free-tier-usage/?utm_source=webopsweekly&utm_medium=email) news “Today we are adding a new feature that will allow you to keep better track of your AWS usage and to see where you are with respect to the Free Tier allowances for each service.” AWS Official Blog [New to Cloud-Based Performance Testing? Here’s A Quick Language Lesson](http://www.soasta.com/blog/web-performance-testing-terms/?utm_source=webopsweekly&utm_medium=email) tutorial An introduction to cloud testing terminology and concepts. Dan Boutin [1M HTTP Requests Per Second with NGINX and Ubuntu 12.04 on EC2](http://datacratic.com/site/blog/1m-qps-nginx-and-ubuntu-1204-ec2?utm_source=webopsweekly&utm_medium=email) tutorial Datacratic [RedisGreen - Fully-Managed Redis with Auto-Scaling and High Availability](https://dashboard.redisgreen.net/start?utm_source=webopsweekly&utm_medium=email&utm_campaign=2015a&utm_content=link&utm_term=managed%20dashboard%20performance) tools Get insights quickly with our analytics dashboard. Track usage and quickly identify performance bottlenecks. RedisGreensponsored [The New Internet: What You Need to Know About HTTP/2](http://apmdigest.com/the-new-internet-what-you-need-to-know-about-http2?utm_source=webopsweekly&utm_medium=email) Kent Alstad [Preparing Your Site for Holidays and Major Events](http://www.oreilly.com/pub/e/3460?cmp=tw-webops-webcast-lp-webcast_3460&utm_source=webopsweekly&utm_medium=email) video O'Reilly Media [Why We Don't Sell Domain Validated SSL Certificates](https://certsimple.com/blog/domain-validated-ssl?utm_source=webopsweekly&utm_medium=email) opinion CertSimple [Docker: With Content Trust, You Can Run Containers on Untrusted Networks](http://thenewstack.io/docker-content-trust-can-run-containers-untrusted-networks/?utm_source=webopsweekly&utm_medium=email) opinion The New Stack    [Read this issue on the Web](http://webopsweekly.com/issues/28) [See our archives](http://webopsweekly.com/issues) [Change your email address](*|UPDATE_PROFILE|*)  [Stop getting this newsletter](*|UNSUB|*)  

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