---
title: "Issue 31: The latest Web operations, scaling, and performance news"
publication: "StatusCode Weekly"
issue: 31
published_at: "2015-09-10"
canonical_url: "https://weekly.statuscode.com/issues/31"
---

WebOps Weekly 31   . 

The latest Web operations, HTTP, and Web performance news -[Read this on the Web](http://webopsweekly.com/issues/31) 

[![WebOps Weekly\](http://webopsweekly.com/images/webops-header.png)](http://webopsweekly.com) Issue 31 — September 10, 2015     

[HTTP/2 – 115 Days with The RFC](http://daniel.haxx.se/blog/2015/09/07/http2-115-days-with-the-rfc/?utm_source=webopsweekly&utm_medium=email) The lead developer of ‘curl’ reflects on the state of HTTP/2. Daniel Stenberg [How We Ended Up with Microservices](http://philcalcado.com/2015/09/08/how_we_ended_up_with_microservices.html?utm_source=webopsweekly&utm_medium=email) opinion A look at the work and process flows behind building monolithic applications and how microservices sprang out of such concerns and economies of scale. Phil Calçado [How Agari Uses Airbnb's Airflow as a Smarter Cron](http://highscalability.com/blog/2015/9/3/how-agari-uses-airbnbs-airflow-as-a-smarter-cron.html?utm_source=webopsweekly&utm_medium=email) A look at the motives behind moving from Linux cron to a dedicated workflow scheduler, Airbnb’s Airflow. High Scalability [Application monitoring for developers](https://opbeat.com/performance//?utm_source=webopsweekly&utm_medium=ad&utm_content=&utm_campaign=performance) Opbeat have updated their free ops service, adding response time distributions, a full activity breakdown, the ability to see the actual code that is slowing down the request, where is it called from & when it was committed. [Read more](https://opbeat.com/performance//?utm_source=webopsweekly&utm_medium=ad&utm_content=&utm_campaign=performance) Opbeatsponsored[![\](https://copm.s3.amazonaws.com/866bdcea.png)](https://opbeat.com/performance//?utm_source=webopsweekly&utm_medium=ad&utm_content=&utm_campaign=performance) [Measuring Page Weight](https://mobiforge.com/design-development/measuring-page-weight?utm_source=webopsweekly&utm_medium=email) tutorial opinion What does ‘page weight’ really mean? Is it all the assets loaded up front? Does it include those dynamically added? Ronan Cremin shares some thoughts. mobiForge [Sleepy Puppy: Cross-Site Scripting Payload Management for Webapp Security Testing](http://techblog.netflix.com/2015/08/announcing-sleepy-puppy-cross-site.html?utm_source=webopsweekly&utm_medium=email) Sleepy Puppy is a XSS payload management framework that enables security engineers to simplify the process of capturing, managing, and tracking XSS propagation over long periods of time and numerous assessments. The Netflix Tech Blog [The Web in India: 2G Is Still Massive](https://paul.kinlan.me/the-web-in-india-anecdote-3/?utm_source=webopsweekly&utm_medium=email) opinion Googler Paul Kinlan has been in India and notes that even connections that are nominally 3G can be slower than 2G. Paul Kinlan [Prefetching, Preloading, Prebrowsing](https://css-tricks.com/prefetching-preloading-prebrowsing/?utm_source=webopsweekly&utm_medium=email) The practice of guessing what users need so assets can be fetched ahead of time has been called ‘prebrowsing’ and it’s formed of several techniques which Robin summarizes here. Robin Rendle [The Critical Rendering Path - An In-Depth Guide](https://varvy.com/pagespeed/critical-render-path.html?utm_source=webopsweekly&utm_medium=email) A look at the series of events that must take place to render the initial view of a page. Patrick Sexton Jobs [Freelance with Companies like Airbnb, IDEO, & JPMorgan](http://www.toptal.com/developers?utm_source=webops_weekly&utm_medium=cpm-newsletter&utm_campaign=webops_weekly_job) Work with top clients, set your own rates, and work from anywhere as an elite Toptal developer. Join the most exclusive network of top software engineers in the world. Toptal In brief [Google.com's page weight now ranges 3.1KB (cell) to 366KB (desktop)](https://twitter.com/xbs/status/639481068102545408?utm_source=webopsweekly&utm_medium=email) news Ronan Cremin on Twitter [PHP 7.0 Is Showing Very Promising Performance Over PHP 5](http://www.phoronix.com/scan.php?page=article=php-70-rc2=1&utm_source=webopsweekly&utm_medium=email#php7000) news PHP 7.0 RC2 has just been released and its performance is catching up with HHVM. Michael Larabel [Serious Bug Causes “Quite A Few” HTTPS Sites to Reveal Their Private Keys](http://arstechnica.com/security/2015/09/serious-bug-causes-quite-a-few-https-sites-to-reveal-their-private-keys/?utm_source=webopsweekly&utm_medium=email) news Ars Technica [Opera Mini 11 for Android’s new compression mode](https://dev.opera.com/blog/opera-mini-11-modes/?utm_source=webopsweekly&utm_medium=email) news Dev.​Opera [TLS and Server Hardening with NGINX](https://www.moses.io/2015/09/tls-and-server-hardening-post-nginx/?utm_source=webopsweekly&utm_medium=email) tutorial “TL;DR I need a configuration for my NGINX server that has the latest in SSL/TLS support” I, Moses [Kernel Bypassing for Faster Packet Filtering on Linux](https://blog.cloudflare.com/kernel-bypass/?utm_source=webopsweekly&utm_medium=email) tutorial CloudFlare [New AWS Quick Start – Magento for E-Commerce](https://aws.amazon.com/blogs/aws/new-aws-quick-start-magento-for-e-commerce/?utm_source=webopsweekly&utm_medium=email) tutorial Amazon [Network-based HTTPS Client Identification Using SSL/TLS Fingerprinting](https://www.muni.cz/research/publications/1299983?lang=en&utm_source=webopsweekly&utm_medium=email) An academic paper Masaryk University [How HTML5 APIs Can Fingerprint Users](https://network23.org/inputisevil/2015/09/06/how-html5-apis-can-fingerprint-users/?utm_source=webopsweekly&utm_medium=email) Input Is Evil [Fingerprinting Webapp Platforms by Variations in PNG Implementations](https://github.com/isislovecruft/library/blob/master/computer%20science%20theory/Fingerprinting%20Web%20Application%20Platforms%20by%20Variations%20in%20PNG%20Implementations%20%282015%29%20-%20Bongard.pdf?utm_source=webopsweekly&utm_medium=email) Due to differences in PNG decoder/encoder implementations, it’s possible to provide malformed PNGs to sites and guess what technologies they’re using by the responses. Dominique Bongard [Electronic Noise Is Drowning Out the Internet of Things](http://spectrum.ieee.org/telecom/wireless/electronic-noise-is-drowning-out-the-internet-of-things?utm_source=webopsweekly&utm_medium=email) opinion IEEE [The new .NET MISSION: IMPOSSIBLE – ‘Situation Critical’](http://www.red-gate.com/products/dotnet-development/ants-performance-profiler/entrypage/mission-impossible/situation-critical?utm_source=webopsweekly&utm_medium=email&utm_content=mission_impossible_m1&utm_campaign=antsperformanceprofiler&utm_term=email-23955) tools Find out why ANTS Performance Profiler is the ultimate .NET profiler in a new online adventure. [Read it now](http://www.red-gate.com/products/dotnet-development/ants-performance-profiler/entrypage/mission-impossible/situation-critical?utm_source=webopsweekly&utm_medium=displayemail&utm_content=mission_impossible_m1&utm_campaign=antsperformanceprofiler&utm_term=email-23955) Red Gate Sotwaresponsored [NATS: Open Source, High Performance Cloud Native Messaging System](http://nats.io/?utm_source=webopsweekly&utm_medium=email) tools The core gnatsd server is written in Go, and Apcera maintains official clients for Go, Node, and Ruby. Apcera [NAXSI: A High Performance, Low Rules Maintenance WAF for NGINX](https://github.com/nbs-system/naxsi?utm_source=webopsweekly&utm_medium=email) code NAXSI stands for ‘Nginx Anti XSS and SQL Injection’ - it’s a third party NGINX module that acts as a web application firewall with simply defined rules. NBS System [A Minimal Nginx-uWSGI-Flask-Redis Stack using Docker in under 42MB](https://github.com/OrangeTux/minimal-docker-python-setup?utm_source=webopsweekly&utm_medium=email) code Auke Willem Oosterhoff    [Read this issue on the Web](http://webopsweekly.com/issues/31) [See our archives](http://webopsweekly.com/issues) [Change your email address](*|UPDATE_PROFILE|*)  [Stop getting this newsletter](*|UNSUB|*)  

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