There is no defensible single ranking of the 11 fastest CMS platforms: the available 2026 comparisons use different metrics, dates, and platform samples rather than one controlled test. In Q2 2026 phone field data, TYPO3 had the lowest listed 75th-percentile Largest Contentful Paint (LCP), at 1.5 seconds. In a separate February 2026 comparison of mobile sites passing all three Core Web Vitals, Duda led at 85%. Those results answer different questions, so neither is a universal speed verdict.
What “fastest CMS” means
Website speed is not one measurement. Core Web Vitals assess three aspects of user experience: LCP measures loading, INP measures responsiveness, and CLS measures visual stability. The cited 2026 technical guide gives “good” thresholds of under 2.5 seconds for LCP, under 200 milliseconds for INP, and under 0.1 for CLS. A visit passes all three only when each metric is good; the guide says at least 75% of visits must be good on all three for a site to meet the pass criterion. Read the Core Web Vitals guide.
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A platform can perform well on LCP and less well on responsiveness or stability. The ranking therefore changes depending on whether you compare a single metric, such as LCP, or the share of mobile visits that pass all three.
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Q2 2026: CMS platforms ranked by phone LCP
The Core Web Vitals explorer’s Q2 2026 edition reports Chrome phone field outcomes across 189,915 sites. Its principal table is sorted by LCP at the 75th percentile (p75)—the value at or below which 75% of measured visits fall. “LCP passing” is a separate measure: the share of sites’ measured visits meeting the LCP threshold, not the share passing all three Core Web Vitals.
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| Position in source table | CMS | Phone LCP p75 | Visits passing LCP | Sites in cohort |
|---|---|---|---|---|
| 1 | TYPO3 | 1.5 seconds | 95.5% | 95 |
| 2 | Wix | 1.6 seconds | 94.4% | 5,217 |
| 3 | Shopify | 1.7 seconds | 94.8% | 7,625 |
| 4 | Drupal | 1.9 seconds | 89.9% | 2,990 |
| 5 | Joomla | 2.0 seconds | 88.3% | 2,325 |
| 6 | Squarespace | 2.2 seconds | 85.8% | 2,028 |
| 7 | Adobe Commerce | 2.4 seconds | 76.7% | 989 |
| 8 | WordPress | 2.7 seconds | 69.5% | 59,040 |
These are observed cohorts, not a controlled head-to-head test of equivalent sites. TYPO3 has the lowest listed LCP p75, but its cohort includes 95 sites; the result is less broadly supported than the larger Wix, Shopify, or WordPress cohorts. WordPress has the largest cohort in this table. Its 69.5% figure is the LCP pass share in this Q2 phone dataset, not an all-three-vitals pass rate.
The explorer also displays Webflow, Ghost, and HubSpot CMS in a compact panel with 15, 37, and 5 sites, respectively. Because those cohorts are very small—and the source fades rows below 100 sites—they are not sound candidates for confident placement in a comparable league table. The source does not provide enough equivalent entries to rank 11 platforms on this measure. View the Q2 2026 CMS field-data comparison.
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February 2026: mobile sites passing all three Core Web Vitals
A separate Stackra report attributes the following February 2026 mobile all-three pass rates to the HTTP Archive/CrUX Technology Report. These percentages measure sites passing LCP, INP, and CLS together, not LCP p75. They should not be merged with or treated as a continuation of the Q2 table above.
| CMS | Mobile sites passing all three CWV |
|---|---|
| Duda | 85% |
| GoDaddy Website Builder | 80% |
| Wix | 79% |
| Shopify | 78% |
| Squarespace | 70% |
| Framer | 69% |
| Webflow | 67% |
| Drupal | 64% |
| Joomla | 58% |
| HubSpot CMS | 57% |
| WordPress | 48% |
| Weebly | 46% |
This is a secondary report, and the figures describe the reported mobile comparison for February 2026. It places Duda first among its listed platforms, whereas TYPO3 leads the Q2 2026 LCP-p75 table. That is not a direct contradiction: one ranks all-three pass rates in February and the other ranks LCP p75 in a later edition, with a different set of platforms. See Stackra’s February 2026 benchmark report.
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The same distinction explains why the February report’s 48% WordPress all-three pass rate differs from the Q2 explorer’s 69.5% LCP pass share. These are different measures and editions, not competing estimates of the same result.
Why a platform’s field-data ranking is not a site-speed guarantee
Field data reflects the sites and visits represented in a dataset; it does not isolate the CMS as the cause of performance. A platform affects the HTML, styles, scripts, and image handling it supplies, but the site’s actual results also depend on implementation and visitor conditions. Relevant factors include:
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- Device capability, network conditions, and visitor geography.
- Page content, image size and handling, and how pages are constructed.
- Third-party scripts, theme or template choices, and extensions.
- Hosting, caching, and the optimizations the site team can control.
Older figures need their scope kept intact too. HubSpot’s article reports November 2025 desktop all-vitals comparisons for a different set of platforms; those desktop observations cannot be spliced into either 2026 mobile ranking. Read HubSpot’s CMS speed overview.
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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesHow to choose and test a CMS for your site
Use the rankings as a starting point, then judge the CMS against your audience, workload, and ability to optimize it. A field-data leader may not be the best operational fit for an online store, a publication, a marketing site, or a large organization.
- Choose the measure that matches your concern. For loading, compare LCP; for interaction responsiveness, compare INP; for layout movement, compare CLS. Use an all-three pass rate when you want the combined Core Web Vitals outcome.
- Check scope and evidence before comparing numbers. Confirm the data date, mobile or desktop scope, field or lab method, geography if reported, and cohort size. Do not treat a tiny cohort as equally persuasive as a large one.
- Compare realistic implementations. Account for the templates, images, scripts, hosting, caching, and extensions your team expects to use. Platform-level observations cannot predict the result of a differently configured site.
- Measure your own pages with field data where available. CrUX or PageSpeed Insights can show real-user field measurements for eligible sites. A new or low-traffic site may not have enough field data to report.
- Use lab testing to diagnose, not to substitute for field outcomes. A lab test can help identify issues under its test conditions, but a Lighthouse score is not the same thing as a field-data Core Web Vitals pass rate.
For a practical distinction between field measurements and lab diagnostics, consult the Core Web Vitals measurement guide.
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