---
title: "#146: Six Ways to Clear the Browser's Cache"
publication: "StatusCode Weekly"
issue: 146
published_at: "2017-12-13"
canonical_url: "https://weekly.statuscode.com/issues/146"
---

WebOps Weekly 146   . 

The latest Web operations, HTTP, and Web performance news -[Read this on the Web](https://webopsweekly.com/issues/146) 

[![WebOps Weekly\](https://webopsweekly.com/images/webops-header.png)](https://webopsweekly.com) Issue 146 — December 13, 2017     

[Extended Validation (EV) is Broken](https://stripe.ian.sh/) story Look at the green EV certificate writing in your browser if you read this article. That’s the problem Ian’s writing about here. Ian Carroll [Tail Attacks on Web Applications](https://blog.acolyer.org/2017/12/11/tail-attacks-on-web-applications/) tutorial A look at an academic paper that shows off a hard-to-detect type of DDoS attack that can push ‘tail latency’ high on classic multi-tier webapps. Adrian Colyer [What Does Apache Mesos Do That Kubernetes Can't Do?](https://stackoverflow.com/questions/47769570/what-does-apache-mesos-do-that-kubernetes-cant-do-and-vice-versa/47770706#47770706) tutorial A great Stack Overflow answer that digs into the differences between Mesos and Kubernetes. Stack Overflow [Git Workflow Best Practices: 5 Tips to Get Your Code to Production Fast](https://raygun.com/blog/git-workflow/?utm_source=cooperpress&utm_medium=primary&utm_campaign=git-workflow) Have you been using the same git commands for years? Here we take a look at five git tips you can seamlessly incorporate into your workflow to make it easier to get your code into production. RAYGUNsponsored[![\](https://copm.s3.amazonaws.com/b1f829c2.jpg)](https://raygun.com/blog/git-workflow/?utm_source=cooperpress&utm_medium=primary&utm_campaign=git-workflow) [Insomnia: A Good Looking REST Client for Mac, Windows & Linux](https://insomnia.rest/) tools A powerful REST API Client with cookie management, environment variables, code generation, and auth. Open source, too. GetInsomnia [Emergent Distributed Architectures: Microservices and Data Pipelines](https://www.youtube.com/watch?v=5itZckAt-2A) video An overview of microservices and data pipelines, explaining how both systems reflect the organizations and people that build them. Peter Bourgon and Sean Braithwaite [6 Ways to Clear the Browser's Cache](https://calendar.perfplanet.com/2017/clearing-cache-in-the-browser/) tutorial _“At some point every developer accidentally makes a bad release of an asset with a long cache lifetime. There is a way back.”_ Andrew Betts [Promising HTTP Headers for Web Performance](https://calendar.perfplanet.com/2017/promising-http-headers-for-web-performance/) tutorial Not yet fully implemented, headers relating to [Client Hints](https://developers.google.com/web/updates/2015/09/automating-resource-selection-with-client-hints) and [Server Timing](https://www.w3.org/TR/server-timing/) show promise. Anthony Barré [Google To Stop Using the 'AJAX-Crawling' Scheme in Mid 2018](https://webmasters.googleblog.com/2017/12/rendering-ajax-crawling-pages.html) news Rather than using special URLs to help server-side rendering of sites that use AJAX-based approaches, Googlebot will just render the JavaScript instead. Google [What Happens When You Press Play on Netflix?](http://highscalability.com/blog/2017/12/11/netflix-what-happens-when-you-press-play.html) story Not quite as simple as pressing play and having the video stream in over S3… but a neat look at Netflix’s overall architecture. High Scalability Jobs [Looking for a New WebOps Role in the New Year?](https://underdog.io/?utm_medium=advertisement&utm_source=webopsweekly&utm_campaign=homepage2017-dec-13&utm_content=dream-job) Try Underdog.io, where the best SF & NYC companies go to meet tech talent. Start your job search today & companies will email you next week. Underdog.​io In brief [Announcing AWS Single Sign-On (SSO): A Cloud SSO Service](https://aws.amazon.com/about-aws/whats-new/2017/12/announcing-aws-single-sign-on--sso/) news Amazon Web Services [Popular Web Destinations Briefly Rerouted to Russia](https://bgpmon.net/popular-destinations-rerouted-to-russia/) news BGPmon [DigitalOcean's Private Networking To Go Truly 'Private' in 2018](https://www.digitalocean.com/community/tutorials/digitalocean-private-networking-faq) news Essentially private network traffic will be isolated by account/team. DigitalOcean [How RSA Works: TLS Foundations](https://fly.io/articles/how-rsa-works-tls-foundations/?twitter) tutorial An accessible look at some of the math behind what keeps the Web secure. Kellen Evan Person [HAProxy Ingress Controller for Kubernetes](https://www.haproxy.com/blog/haproxy_ingress_controller_for_kubernetes/) tutorial Andjelko Iharos [Building a Voice-Activated Movie Search App Powered by Amazon Lex, Lambda, and MongoDB Atlas (Part 1)](https://www.mongodb.com/blog/post/aws-lex-lambda-mongodb-atlas-movie-search-app-part-1?jmp=cpress&utm_campaign=WW_CP_newsletter_sponsorship_FY17Q4&utm_content=sponsored&utm_medium=display&utm_source=webopsweekly1213) tutorial This post includes a Lex overview, demo scenario and data layer setup. mongodbsponsored [A Tour of Containerd 1.0](https://blog.docker.com/2017/12/containerd-ga-features-2/) tutorial A basic introduction to Containerd and how it works with Docker, Kubernetes CRI, etc. Michael Crosby [Approaches for Managing Costs on Amazon Web Services](https://medium.com/kainos/managing-costs-on-amazon-web-services-7c6767781ba1?lipi=urn%3Ali%3Apage%3Ad_flagship3_feed%3B1HRDrUc%2FR1CCaBrVAVLtXw%3D%3D) tutorial Łukasz Budnik [Running Jekyll with Docker and OpenShift](https://www.redpill-linpro.com/sysadvent/2017/12/10/jekyll-openshift.html) tutorial Lars Olafsen [8 Components You Need to Run Containers in Production](http://blog.cloud66.com/8-components-you-need-to-run-containers-in-production/) tutorial Khash Sajadi [Nested Virtualization Offers Containers the Isolation of VMs without the Overhead](https://thenewstack.io/azure-ahead-nested-virtualization/) tutorial Running a VM within another VM unlocks options for apps that mix + match containers & VMs. Mary Branscombe [Automating Web Performance Regression Alerts](https://calendar.perfplanet.com/2017/automating-web-performance-regression-alerts/) tutorial Peter Hedenskog (Wikimedia Foundation) [Continuous Delivery: GoCD VS Spinnaker](https://www.gocd.org/2017/07/10/gocd-vs-spinnaker/?utm_campaign=gocd_vs_spinnaker&utm_medium=email&utm_source=cooperess_webops&utm_content=gocd_vs_spinnaker&utm_term=) An overview of GoCD and Spinnaker, why they are different from each other and which problems you should use them to solve. GoCDsponsored [It's Official, ADSL Works Over Wet String](http://www.revk.uk/2017/12/its-official-adsl-works-over-wet-string.html) story Ha! And the final sentence is just perfect.. RevK [How to Use Microservices to Build an API That Lasts](https://www.sparkpost.com/blog/microservices-build-api/) video Chris McFadden [Securing Serverless Applications Step-by-Step](https://www.youtube.com/watch?v=B3j4xql7we0) video Mark Nunnikhoven [Where Is Kubernetes Headed in 2018 and Beyond?](https://thenewstack.io/where-is-kubernetes-headed-in-2018-and-beyond/) podcast The New Stack    [Read this issue on the Web](https://webopsweekly.com/issues/146) [See our archives](https://webopsweekly.com/issues) [Change your email address](*|UPDATE_PROFILE|*)  [Stop getting this newsletter](*|UNSUB|*)  

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