Notes from Making Instagram Fast articles

11 Dec 2019 |

Instagram Engineering published 4 part blog on web performance optimization. Here is my notes from these articles.

How to move images in Github pages to Cloudinary?

20 Nov 2019 |

Use Cloudinary to host images from your post to get relevant image format and right quality of image based on your device

What powers observability with RUM tools?

30 Apr 2019 |

Real User Monitoring solutions rely on browser support to make the measurements meaningful. We look at some of the underlying standards that allow this capability.

Using Python Pandas for Log Analysis

13 Feb 2019 |

In this short tutorial I would like to walk through the use of Python Pandas to analyze a CSV log file for offload analysis.

Quick Primer to Single Page Application (SPA) and Tracking SPA pages

20 Dec 2018 |

Understand the history API that powers Single Page Application (SPA) and learn how this is leveraged by real user monitoring solutions like mPulse for reporting performance of SPA pages .

Python Stats from Jenkins Job Output

11 Oct 2018 |

Jenkins jobs could contain some script output that is archived. Using python statistics, I show how you could extract and create summarized results.

Book Review on "The Perfect Weapon By David Sanger"

16 Aug 2018 |

David Sanger's book, the Perfect Weapon raising some thorny issues on cyber warfare along with an great narration of some incredible hacks that went on from Stuxnet to the audacious DNC hacks.

3 Trends in Web Performance

01 Aug 2018 |

Web Performance landscape has evolved with focus on perceived performance, RAIL model, focus on mobile website speed and better tooling. The blog explains new metrics and relates them to measurement tools.