Let’s take a closer look at the comparison between JMeter and Locust. g. Both Gatling and Locust can be used for load and perform testing. We performed a comparison between Apache JMeter, k6 Open Source, and OpenText LoadRunner Enterprise based on real PeerSpot user reviews. However, developers without Python experience may find the learning curve steeper. . Jmeter cannot handle more threads and hangs up when we increase the number of threads. com/java/technologies/downloads/ Jan 5, 2021 · In the past, I've leveraged JMeter along with other tools at the same time. Compare price, features, and reviews of the software side-by-side to make the best choice for your business. Claim k6 and update features and information. While k6 is a powerful tool for performance testing, it leans heavily towards coding. Jan 16, 2023 · Stay tuned as an LRD vs. JMeter is another very good open source load and performance tool, though not as good at running in a pipeline. The test gradually increases the number of virtual users making HTTP requests over a specific duration (total of 3 minutes). 3 out of 5. Reporting: JMeter was able to send results to time-series databases for storage/visualization long before k6 was even in pre-alpha k6 doesn't scale which means that you will need to put extra effort in case if one machine cannot conduct the required load Mar 29, 2020 · Running a cloud test from the k6 CLI (k6 cloud test. It is designed for ease of use, maintainability and high performance. On the contrary, Gatling, k6, Locust have good support of code versioning and scripting. The place for news, articles, and discussion regarding Drupal and Backdrop, one of the top open source (GPL) CMS platforms powering millions of websites and applications, built, used, and supported by a diverse community of people worldwide. This distinction is important because in the case of writing advanced assertions with JMeter you can do it by using Java, Groovy, or Beanshell, while Locust is Python in Compare Gatling Enterprise vs. All of them support testing in the cloud and some also run in on-premise infrastructure. If devs are writing tests for a full stack webapp or similar and interpreting the results themselves you could look at K6 or Locust or similar. e. Apache JMeter (156) 4. Those observations led to the creation of this study. thet RadView WebLOAD is a leading enterprise AI-based performance and load testing solution for testing web, mobile, and packaged applications. JMeter can push your API very hard to see when it breaks. ## 1. Jan 10, 2017 · jmeter: according to what is discussed here , jmeter does not. It supports over 150 protocols and technologies, including all common front-end frameworks, APIs, message queues, and databases, enabling load testing across any enterprise technology stack. In addition to the HTTP protocol, Jmeter also supports SOAP/REST web services, FTP, TCP, SMTP, and Java Objects. Compare JMeter vs. Jmeter는 가장 먼저 출시된 성능 테스트 프레임워크중에 하나입니다. Octoperf using this comparison chart. Gatling (59) Feb 19, 2024 · JMeter: JMeter is like your trusty car; it gets you where you want to go, but it might take a bit of time. K6 vs JMeter. SoapUI using this comparison chart. Retail websites require this for major events such as Black Friday and Cyber Monday. Jun 7, 2024 · k6 does not have a GUI that comes with the tool, but it does have a Test Builder available at no cost. RedLine13 and Flood. JMeter : but more than gatling its easy in JMeter for correlation & Parameterisation. Jmeter is written in Java but supports HTTP(S) protocol for other tech stacks like Node. This helps find slow spots and make your API work better for lots of users. io). Locust is an easy-to-use, distributed, user Also, JMeter is a 100% application written in Java, while Locust is based on Python, which is a language that makes writing tests possible. com/java/technologies/downloads/ We would like to show you a description here but the site won’t allow us. JMeter is easy to install and free to use on any desktop with Windows, Mac or Linux. Knowing how your website behaves under load, and being sure it will stay up can make the difference between success and failure for your business. Since I got some years of experiences with JMeter as well as a couple of months with Locust I decided to compare them based on some particular criteria. \n Jmeter vs Locust vs Gatling (Compare table) \n \n Jmeter vs Locust vs Gatling (in Action) \n \n. js). Most people still prefer to use Jmeter as it has been longer in the market, but it is always good to check your other options and see what better fits for your project. T he main differences between them are: 1. Jun 9, 2020 · Hello guys, Continuing on reviewing some performance test tools, today I am going to post a comparison of Jmeter and Artillery. When comparing quality of ongoing product support, reviewers felt that k6 is the preferred option. jtl test results file and compare it with Locust results. Here are the few advantages of using JMeter and this will help you understand the best open-source performance testing tool. The k6 Integrations page lists the most popular k6 integrations. k6 in 2024 by cost, reviews, features, integrations, and more Compare Apache JMeter and Locust head-to-head across pricing, user satisfaction, and features, using data from actual users. It has a lot of features even though it's a bit janky. JMeter vs Gatling Comparison Table. Our crowd-sourced lists contains more than 25 apps similar to BlazeMeter for Windows, Linux, Web-based, Mac and more. Out of the box, Gatling comes with excellent support of the HTTP protocol that makes it a tool of choice for load testing any HTTP server. Community extensions open new options to test infrastructure's performance: SQL, Browser, Kafka, Kubernetes, Chaos, MQTT, and more. JMeter and Gatling have excellent support among third-party commercial load testing services (e. JMeter is a fine tool but it has more a technical view about the backend, while gatling is more formalized at the business side of things in my perspective. Tools like Locust or nGrinder are also getting better. Jul 25, 2023 · Comparison and Use Cases. Grafana k6 overview. On the other hand, k6, developed by Grafana Labs, promotes "Infrastructure as Code", making it more flexible for integrated CI/CD environments. What’s the difference between JMeter, LoadRunner, Locust, and k6? Compare JMeter vs. In all these cases, Grafana Cloud k6 provides pre-built dashboards for the visualization of your load test results. dialog. NET. Ease of Use: The ease of use of Locust and k6 also varies. Test Builder - Inspired by the Postman API Builder. There are many tools out there like Gatling, Locust, and K6, but here I'll explain just a bit of JMeter. Reviewers felt that k6 meets the needs of their business better than Gatling. 经过了之前的铺垫：性能测试框架对比初探，目前留下来的几个测试框架就是「JMeter」、「K6」、「locust」和「FunTester」。本次测试目的是对比几种框架的在各个并发下面的发压能力和资源消耗。本次值测试了最简单的GET接口，不涉及参数和POST接口。 Oct 22, 2017 · Apache JMeter and Locust are two of the most well-known and popular performance testing tools used by developers in the IT community and by different companies. Other great apps like Apache JMeter are locust, k6, Loadster and Katalon Studio. com/@thetestlead/k6-vs-jmeter-for-best-performance-testing-tool-80c3e42c0e93Website:thetestinglead. The tool itself is good and liked by many, for good reason. 1. Gatling vs k6. Compare Frugal Testing vs. k6 in 2024 by cost, reviews, features, integrations, deployment, target market, support options, trial offers, training options, years in business, region, and more using the chart below. In JMeter we have recorded response which allows for details correlation. Jul 26, 2020 · Difference between JMeter and Locust aqua is an AI-powered advanced Test Management System designed to make the QA process painless. JMeter vs Locust Comparison Table There are more than 25 alternatives to Apache JMeter for a variety of platforms, including Windows, Linux, Mac, Web-based and Self-Hosted apps. Using JMeter to create a baseline level of requests and then using something else to fill in any gaps to make the load feel a little more "real" or to test specific scenarios that were difficult to accomplish w/JMeter. To create and update JMeter scripts, you must use the JMeter UI. This is a great blog post! just taking the opportunity here to comment on this: > Finally for full scale high fidelity load tests there are relatively few tools out there for browser based load testing. Together they seem to be enough for any user but again the lack of customisation could be a deal breaker. Codeless UI tool to generate a k6 test quickly. Typically these integrate well with your code, and can be run as part of your unit/integration tests and produce offline reports Oct 30, 2017 · Now your should be able to run JMeter with increased font from apache-jmeter-2. You can, however, use Java to run code in both GUI and non-GUI mode if necessary. Integrate k6 with CI tools, store results in different services, select different Grafana dashboards, or use converters for the auto-generation of your load test. There are a few ways that I’ve been able to work around this: Duration Assertion: You can add a Duration Assertion to any sampler in JMeter, which allows you set an acceptable response time for that request in milliseconds, beyond which the request (and the transaction that encompasses it) would be Jan 8, 2024 · When using JMeter, we can open the GUI after the test run and generate an HTML report based on the log file where we saved the results: The JMeter HTML report also contains a breakdown of the statistics per request. Apache JMeter™和Locust都是是最受欢迎的性能测试工具。 JMeter和Locust - 简介. The best Apache JMeter alternative is soapUI, which is both free and Open Source. 13/bin folder like: jmeter -Djmeter. k6OSS comparison is in the backlog. Gatling vs Apache JMeter: What are the differences? Disclaimer: I work at k6, and I recommend you try our tool. LoadRunner vs. In this article, we will make a direct comparison between JMeter and Locust to understand their differences and capabilities. Tools like JMeter are based upon a thread-based architecture that consumes many resources. The k6 test code above simulates a load test performed on a specific API. You can use Locust when you have limited resources, like CPU capacity. However, there are some differences between the two that are worth considering. JMeter. The ability to run a load test in the terminal and get instant feedback in a nicely organized output that’s easy to share in a textual representation is really nice and makes my life as a developer One area where k6 could improve is by introducing a GUI similar to JMeter. Jmeter is a great and powerful tool, but depending on what you really need (something more lighter) then Jmeter might become an over complex, slow, hard to maintain… Aug 23, 2021 · Compared with my earlier experience using Locust, I really enjoyed the fact that with k6, the development workflow is optimized for developers. It offers an intuitive interface or can be easily used in the command-line interface. Sep 12, 2020 · The best BlazeMeter alternatives are Apache JMeter, locust and k6. i. Jul 7, 2017 · There are tons of load testing tools, both open- and closed-source. Locust using this comparison chart. co/jmeter-training-performance-testing **This edureka video on "JMeter vs LoadRunner" will provide y Jun 26, 2024 · JMeter is a free tool that helps test how well APIs work. PyCharm vs. And finally it's possible to generate Kotlin code for JMeter test plan directly from GUI. Compare BlazeMeter vs. Tests are readable and much easier to maintain. Find out what your peers are saying about Apache, Tricentis, OpenText and others in Load Testing Tools. Jan 5, 2021 · In the past, I've leveraged JMeter along with other tools at the same time. JMeter’s GUI can help ease testers into using the tool. Jun 13, 2023 · JMeter has inbuilt html reports, plus few more with plugins. JMeter是久经考验的性能框架之一，其第一个版本大约在20年前发布。 它是用纯Java语言编写的，。 最初，JMeter开发用于执行Web和FTP应用程序的负载测试。 Compare IBM Rational Performance Tester vs. My choice would be Apache JMeter, It's free and opensource plus it comes with lots of plugins and extendability. Jmeter와 Locust 소개. LoadView vs. loadtest. Browser Recorder - Record a user journey to create your k6 test. When assessing the two solutions, reviewers found k6 easier to use, set up, and administer. Feb 25, 2021 · Load testing is a critical part of the quality assurance process in any business website. when a connection is released May 13, 2022 · JMeter is extremely easy to use, and even a novice engineer can read and write basic scenarios with ease. Scripting Approach: JMeter’s user-friendly GUI and diverse plugin ecosystem make it an excellent choice for testers who prefer a graphical interface and advanced customization options. Octoperf vs. However, additional features and support are available through commercial plans offered by Load Impact, the company behind k6. Gatling - Open-source load testing framework based on Scala, Akka and Netty. Once you download java, JMeter can be used to upload your JMeter script file and run your test. Micro Focus LoadRunner can still be integrated with CI/CD, but you need to allocate some extra time on the setup phase and the analysis part. Locust - Define user behaviour with Python code, and swarm your system with millions of simultaneous users Gatling is a highly capable load testing tool. SOAtest vs. Locust. Autocannon Mar 6, 2023 · Apache JMeter has a performance based on the number of users or threads being used in the JMeter tool, whereas Gatling uses the Akka framework, which has advanced features where these Gatling features are based on the Akka engine behavior or performance. Jmeter is a full-featured performance testing application used through the IDE or as a command-line utility. May 31, 2023 · JMeter and Locust are both open-source load-testing tools used to test the performance and scalability of web applications. JMeter是久经考验的性能框架之一，其第一个版本大约在20年前发布。 它是用纯Java语言编写的，。 最初，JMeter开发用于执行Web和FTP应用程序的负载测试。 Compare JMeter vs. aqua cloud helps to: - Organize custom testing processes and workflows, - Run testing scenarios of any complexity and scale I have used tools such as Apache JMeter (Java), gatling. IBM Rational Test Workbench vs. Oct 4, 2021 · Where K6 reaches an average of 17. Apache Jmeter와 Locust는 현재 개발자 사이에서 가장 많이 알려진 인기있는 성능 테스트 도구입니다. k6 using this comparison chart. Below is the topmost comparison between JMeter vs Gatling: Jan 2, 2024 · While the documentation for both k6 and JMeter is detailed and complete, k6 contains a more extensive library of examples which can help accelerate test creation efforts. ) for initial setup. Nov 2, 2021 · Generate HTML Reporting Dashboard from the JMeter . There is a lot to be said of the Grafana Cloud k6 dashboards. IDE extensions Code k6 scripts in your IDE of choice. We would like to show you a description here but the site won’t allow us. 知乎专栏是一个自由写作和表达平台，让用户随心所欲地分享观点和知识。 Feb 14, 2022 · The load pattern was scripted in Jmeter and hosted in one of the on-demand pod of kubernetes cluster. It has a dashboard where you can see how the trip went; k6: k6 is like a speedy electric scooter; it gets you there fast! It doesn’t have a fancy dashboard, but it gives you a clear report after each ride. JMeter load testing has a lot of options you can configure, like the number of virtual users, parameters, and much more. io are both performance testing tools widely used in the industry. When working with APIs, sometimes we need to test the APIs that are used for uploading data to the system via \n Jmeter vs Locust vs Gatling (Compare table) \n \n Jmeter vs Locust vs Gatling (in Action) \n \n. The k6 solutions bring a tone of communities and collaborative software. JMeter is a widely-used load testing tool known for its versatility in testing the performance of web applications and services. News outlets need to be sure that their readers can reach them and they May 22, 2021 · My choice would be Apache JMeter, It's free and opensource plus it comes with lots of plugins and extendability. Jan 12, 2021 · Apache JMeter: HP LoadRunner: 1. Google Cloud Load Balancer vs. Oct 12, 2023 · K6 is open source. Apache JMeter needs a small amount of a learning curve and a basic understanding of Network, Protocols (TCP/IP ports, HTTP(S) and REST/SOAP, etc. font=20 Meter restart will be required to pick the property up. io (Java) and Locust (Python) that are decent full featured web perf frameworks. codewithmma My choice would be Apache JMeter, It's free and opensource plus it comes with lots of plugins and extendability. Jan 28, 2024 · However, after using Locust for some time, around the middle of 2015, I realized that Locust, as a pressure tool, seemed to generate far less pressure than JMeter and so BEGAN to focus on the concurrency model behind the pressure tools to understand the operation logic of different pressure tools and try to explain the performance differences I Nov 28, 2023 · JMeter load testing: developer experience. In thе fast-pacеd world of softwarе dеvеlopmеnt, onе crucial aspеct takеs thе spotlight: еnsuring your applications can withstand the unprеdictablе dеmands of real-world usagе. In general comparing 2 load testing tools output doesn't make a lot of sense, if you're running the same test (in terms of number of concurrent users,sending the same request payload at the same rate, etc. NeoLoad vs. oracle. k6, on the other hand, is an open-source tool and is free to use. https://www. Jun 21, 2019 · 性能测试工具Locust和JMeter比较. JMeter’s developer experience will heavily depend on your background and what kind of tool you’re looking to use. These softwares were chosen because they are among the most used and/or discussed in the community, but in the future the goal Blitz - Load testing for websites, web apps, and REST APIs. Resources: \n. What’s the difference between JMeter and Locust? Compare JMeter vs. It works if you’re OK with their limitations, like k6 offers only 17 geographic locations, Artillery works with AWS only. This is because Locust requires less CPU utilization when compared to Gatling due to its “more in code” aspect. Feb 13, 2023 · #2 Comparison - Apache JMeter and k6 | k6 | Code with MMAKhttps://k6. Jan 28, 2021 · JMeter vs k6: which open-source load testing is right for you? JMeter is a decades-old Java-based tool that is a crowd favorite, but k6 is a modern, Go-based tool that has significant advantages over JMeter in many situations. Locust vs. Scripting language: K6 uses JavaScript, while JMeter uses a domain-specific language (DSL). Sep 19, 2022 · Load testing Open-source tools and their uses : JMeter vs K6 vs Locust. Finally, The Grinder Console records statistics for each agent and run: May 13, 2020 · 負荷試験（負荷テスト）ツール一覧 Locust Vegeta wrk 負荷試験（負荷テスト）ツール一覧 人気の負荷試験（負荷テスト）ツールを調べてみる。 ツール一覧はawesome-http-benchmarkにまとまってた。 github. com スター数順に並べてみる（スター数500以上）。 wrk, Vegeta, Locustが人気のようだ。 Repository スター数 Jul 23, 2024 · JMeter vs LoadRunner. k6 does not have any built in reports apart from a vanilla command line report. JMeter supports significantly more protocols than k6. Open-source tools are growing in popularity, and we use mainly open-source software (OSS) at Load Impact, so we thought it might Jul 18, 2022 · A performance tool with a graphical interface will probably be easier to use at the beginning, but the idea of a performance test as code is the future. of requests, response times, failure rate, etc. The previous to me is already a big indicator that JMeter could be a limiting factor when testing At the time of writing, JMeter, Tricentis Neoload, k6, and Gatling are the best choices when it comes to ease of setup, if you have to prioritize CI/CD readiness. js, PHP, and ASP. JMeter, present in the market for two decades, offers visual test design and extensive technological support. "September 19, 2022" | Community platform | Register for the event and learn more on the main communities platform. In comparison, k6's JavaScript-based scripting and its modern syntax make it more approachable Advantages of using JMeter. This causes lot of inconvenience. Here's what it can do: Load Testing. Empower your development workflow with IDE extensions. Having a GUI, even if it is a low-code approach, could make it more accessible to a broader audience. It is totally visual and pretty easy to follow and understand 🤗; it also includes a module that generates dashboards that gives us an APDEX result, which is what we want. In this article, I will compare the results obtained for the exact same load test using 4 different open-source load testing tools: JMeter, Locust, Gatling and K6 . Stress Testing. Locust, being written in Python, appeals to developers familiar with Python and offers a more Pythonic API. artillery vs k6-examples Apache JMeter vs Karate artillery vs k6 Apache JMeter vs TestNG artillery vs locust Apache JMeter vs Cucumber artillery vs wrk2 Apache JMeter vs WireMock artillery vs siege Apache JMeter vs REST Assured artillery vs nest-auth-example Apache JMeter vs JUnit What’s the difference between Gatling Enterprise, Locust, and k6? Compare Gatling Enterprise vs. ) you should be getting the same Oct 24, 2023 · Performance Testing and k6 Performance testing is a test methodology that evaluates the responsiveness and stability of a server, network, or application under a… 8 min read · Oct 12 We would like to show you a description here but the site won’t allow us. Compare Locust vs. Jan 10, 2023 · JMeter UI is the primary tool for creating new JMeter load/performance testing scripts. For GUI based load scripts JMeter is the standard. Dec 7, 2018 · In a ‘David versus Goliath’ sort of way, let’s take a look at a few examples of things that are easier to do in k6 than in JMeter. May 7, 2023 · k6 vs Vegeta artillery vs k6-examples k6 vs Gatling artillery vs Apache JMeter k6 vs Hey artillery vs locust k6 vs oauth2 artillery vs wrk2 k6 vs pactum artillery vs siege k6 vs Grafana artillery vs nest-auth-example May 25, 2023 · Locust provides basic built-in monitoring, such as a web interface that shows reals time statistics such as no. You think more in process steps and less in "lets load all functions with maximum load until it breaks". edureka. LoadRunner on the hand is paid and expensive. Running your test locally and stream the results to the cloud (k6 run --out test. Conclusion The question of whether k6 or JMeter is the preferred choice is a multifaceted one, one which is highly dependent on both the prior experience of the test designer Jun 21, 2019 · 性能测试工具Locust和JMeter比较. JMeter vs. users need to edit theses files themselves. Apache JMeter vs Flood IO: What are the differences? # Introduction Apache JMeter and Flood. additionally, the jmeter documentation mentions: there is no control over how connections are reused. io/ [Chapters]0:00 - Intro [Follow Me On Social Media]Website: https://www. jmx files is possible with any text editor, but it’s a risky business and highly prone to failure. Nov 1, 2017 · 본 글은 Apache Jmeter와 Locust에 대해서 비교한 글입니다. Add. 1. artillery vs k6-examples locust vs Selenium WebDriver artillery vs k6 locust vs PyAutoGUI artillery vs Apache JMeter locust vs Gatling artillery vs wrk2 locust vs aiounittest artillery vs siege locust vs splinter artillery vs nest-auth-example locust vs siege artillery vs k6 k6-examples vs xk6-sql artillery vs Apache JMeter k6-examples vs k6-reporter artillery vs locust k6-examples vs postman-to-k6 artillery vs wrk2 k6-examples vs alien artillery vs siege k6-examples vs postman-to-k6 artillery vs nest-auth-example artillery vs Newman Grafana Cloud k6; Load test type. properties file (located in JMeter's "bin" folder) jmeter. Dec 29, 2023 · Choosing between JMeter and k6 depends on the project specifics. ** Performance Testing Using JMeter: https://www. font=20 or if you want to make font size change permanent add the next line to system. It is ideal for enterprises and SMBs across various sectors, although aqua was initially designed specifically for regulated industries like Fintech, MedTech and GovTech. Save an HTTP Response in a Variable. On the other hand, k6 is a developer-centric, Jan 31, 2022 · When to Use Gatling vs. Despite having similar functionalities, they have key differences that make them suitable for various testing requirements. Apr 3, 2024 · It provides a pay-as-you-go option, allowing users to scale their testing needs as per requirements. There could be some interface where we can edit this fields. Integrations & Tools Test authoring Codeless tools to speed up the test creation. Easy availability and execution: JMeter is an open-source application testing tool available for performance testing. What’s the difference between JMeter, OpenText LoadRunner Professional, LoadView, and k6? Compare JMeter vs. Creation of Performance Tests. Beyond load testing. overall script creation/ recording is easier in JMeter than in gatling. js (k6) Session recorder: Webtest recorder and HAR: Browser extension and HAR: URL based test: Convert jmx to k6: Run JMeter tests: Run local load tests: Run cloud load tests: Configure load options: Schedule test execution: Web-based experience: Dashboard: Test result visualization: See more: Compare Apr 10, 2019 · Apache JMeter and Locust are two of the most well-known and popular load testing tools used by testers and developers in many IT (or maybe non-IT) companies. K6 and JMeter are both popular open-source load testing tools that can help engineering teams measure the performance of their systems. It is lean, open-source, and focuses on breaking adoption and sharing barriers. In this article, we will provide a Compare Locust and k6 head-to-head across pricing, user satisfaction, and features, using data from actual users. Jmeter requires many tweaks with respect to its configuration file and thread properties. In JMeter Tagging Transaction names, Creating checkpoints for validation & verification, a structured UI support. The first tenet taken for comparison of JMeter and Locust refers to load test creation and maintenance. On the other hand, Locust is also an open-source performance testing tool, but it is written in Jan 29, 2021 · Source: k6 documentation JMeter doesn’t natively support thresholds at the test-level. Locust in 2024 by cost, reviews, features, integrations, deployment, target market, support options, trial offers, training options, years in business, region, and more using the chart below. Both tools can be integrated with External monitoring tools. JMeter can act like many people using your API at once. com Compare JMeter vs. While k6 does have a support community to go along with it, it is far newer than JMeter and thereby far smaller. Jul 6, 2020 · Hello all, Today it's the turn of Jmeter and K6 ! As always, remember to check your other options and see what better fits for your project. 0:00 Intro 0:34 JMeter's strengths 0:39 JMeter 1: GUI 1:12 JMeter 2: Extensive protocol support Mar 15, 2019 · Now that the introduction to both JMeter and Locust testing tools have been outlined, it would be reasonable to focus on the various determinants that can be utilized for comparing these two tools. Gatling vs Locust: What are the differences? Key Difference 1: Performance Testing Tool Comparison: Gatling is a leading open-source load and performance testing tool developed using Scala with a strong focus on asynchronous, non-blocking processing. comCourse: https://www. Mar 8, 2024 · Gatling vs JMeter: Best Testing Tool Load testing for upload file APIs using k6. It brings a different spirit to the testing realm, making it an evolving entity that moves with the community. Reviewers also preferred doing business with k6 overall. OpenText LoadRunner Professional vs. See full list on medium. Making small changes to JMeter’s . 4 requests each second JMeter is only maxing out 13. Visual Studio Code Extension - Run k6 Medium article: https://medium. fd gt uo oi fs hx gs wo ut ft