Perform Web Vitals & TTFB Test on Multiple Locations & Devices
SpeedVitals Extension
SpeedVitals is a free Web Performance measurement tool that uses Lighthouse to measure Lab Data and Chrome's User Experience API (CrUX) to measure field data.
Key Features
1) Web Vitals: Measure all the Web Vitals such as First Contentful Paint (FCP), Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), First Contentful Paint (FCP), Time to Interactive (TTI), and Speed Index (SI). We also measure some other metrics like Server Response Time (TTFB) and Web Page Size.
2) TTFB Testing: Measure TTFB (Time to First Byte) from 40 locations across the globe
3) Multi-Device Testing: Measure your Website's Performance across more than 30 devices having different Form Factors
4) Multi-Location Testing: Run Core Web Vitals test on more than 35 locations across the globe including United States, United Kingdom, India, Japan, Australia, Germany, Brazil, South Korea, and more.
5) Field Data: View the real-world Core Web Vitals data of any Web Page using Chrome's User Experience API.
6) Resource Graphs: Resource Graphs give a visual representation of Web Page resource distribution.
7) Waterfall Chart: Waterfall Chart provides a visualization of the load timings with metrics like Blocking Time, DNS Lookup Time, TCP Connect Time as well as HTTP Request/Response Header information.
8) Layout Shift Visualizer: Layout Shift Visualizer presents a GIF of Cumulative Layout Shift (CLS) and helps diagnose the cause behind the shift
9) Code Coverage: Code Coverage helps identify the resources (CSS/JavaScript) with unused code segments
10) SpeedVitals Pro Tips: SpeedVitals Pro Tips is an advanced curated list of factors that can dramatically speed up a Web Page. It also includes advanced platform-specific tips for CMSs like WordPress
Source Manifest.json
Similar Extensions
Site Speed by DebugBear 1,000+ 4 ★ 92.18KiB
LoadFocus: Page Speed Monitoring 1,000+ 1 ★ 160KiB
Core Web Vitals 1,000+ 5 ★ 7.29KiB
LCP & CLS Monitor 1,000+ 1 ★ 19.96KiB
Core Web Vitals history 1,000+ 6 ★ 20.6KiB
Core Web Vitals Annotations 1,000+ 2 ★ 191KiB
Checkbot: SEO, Web Speed & Security Tester ? 1,000+ 940 ★ 1.67MiB
Web Vitals Tester 1,000+ 1 ★ 1.07MiB
Core Web Vitals Visualizer 1,000+ 12 ★ 2.39MiB
CLS Visualizer 1,000+ 11 ★ 17.27KiB
Core SERP Vitals 1,000+ 15 ★ 20.91KiB
CLS Checker - Journey Further 1,000+ 9 ★ 107KiB
Core Web Vitals Inspector 1,000+ 0 ★ 357KiB
TTFB Checker 1,000+ 5 ★ 16.4KiB
Web Vitals 1,000+ 43 ★ 398KiB
Schema Builder for Structured Data 1,000+ 29 ★ 889KiB
Hoverify 1,000+ 145 ★ 14.54MiB
Performance-Analyser 1,000+ 43 ★ 26.12KiB
SEO Pro Extension 1,000+ 82 ★ 233KiB
View Rendered Source 1,000+ 37 ★ 73.68KiB
Google PageSpeed Insights API Extension 1,000+ 38 ★ 101KiB
Sitespeed Report 1,000+ 0 ★ 14.7KiB
Unused CSS Tracker 1,000+ 11 ★ 24.94KiB
WP Hive | A Better WordPress Plugin Repo 1,000+ 38 ★ 58.79KiB
User reviews
Mending ID (ID: 000000f9ebb77f31) Voted 5 ★ - Updated 01/18/2023
Bug Cache (ID: 0000006afec2abe7) Voted 5 ★ - Updated 11/17/2022
Sam Lin (ID: 000000fe061a8ed4) Voted 5 ★ - Updated 12/04/2021
數聚達行銷事務所 (ID: 000000ad94099838) Voted 5 ★ - Updated 12/04/2021
Elvio Gonzalez (ID: 00000050431d328a) Voted 5 ★ - Updated 10/31/2021