site speed Articles

  • instant_job2

    Implementing Instant Job Listing Pages

    April 20, 2017

    In early February, we reduced our 90th percentile U.S. subsequent page load time by 46% on our Job Details page. We achieved this by using the Ember cache to display critical data and avoid making an API call to fetch the initial data we render. There are a few strategies you could use for passing cached data between pages in a Single Page App (SPA). In this...

  • SRA1

    Measuring and Optimizing Performance of Single-Page Applications (SPA) Using RUM

    February 2, 2017

    Introduction Improving site speed is one of the major technology initiatives at LinkedIn because it is highly correlated with the engagement members have on our website. Real User Monitoring (RUM) is an approach where we use data from real users, instead of a synthetic lab environment, to measure performance, and this is the primary way we measure site speed at...

  • BOSS1

    BOSS: Automatically Identifying Performance Bottlenecks through Big Data

    January 11, 2017

    Introduction As the centralized performance team of LinkedIn, our mission is to make LinkedIn pages load faster. We help each engineering team try to hit their page load time goals through various optimization efforts. One common question we need to answer when trying to decrease page load time is: where is the performance bottleneck? In other words, where...

  • Job Detail Page Rendering Flowchart

    Building the New Job Detail Page

    June 21, 2016

    When we recently launched the new job detail page, we introduced new insights for job seekers to know their “In," meet the team, and...

  • Speed, Performance, and Public Profile

    May 17, 2016

    Co-authors: Gaurav Phapale and Oliver Tse A public profile page is a guest-accessible LinkedIn member’s profile page. When you visit...

  • Profile Service Architecture

    Tuning Espresso’s JVM Performance

    January 15, 2016

    (Co-author: Amit Balode) Profile in Espresso The member profile page is one of the most-visited pages on LinkedIn. It allows other...