Harper
Harper is a Webflow theme by Templates ($59). Tested on 2026-09-29 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 71 for mobile speed and 87 for desktop speed, 91/91 for SEO and 89/89 for accessibility (mobile/desktop, 0–100).
Mobile71
Desktop87
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 71 | 87 |
| SEO | 91 | 91 |
| Accessibility | 89 | 89 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-29 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Harper home page
Mobile
Speed 71 · 29 points to gain
- −25 Largest Contentful Paint medium effort
- −2.2 Speed Index medium effort
- −1.5 First Contentful Paint medium effort
- 300 ms Reduce unused JavaScript high effort
- 150 ms Reduce unused CSS high effort
SEO 91 · 9 points to gain
- −9.1 Links do not have descriptive text low effort
Accessibility 89 · 11 points to gain
- −3.8 `<html>` element does not have a `[lang]` attribute low effort
- −3.8 Links do not have a discernible name medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
- −1.6 Document does not have a main landmark. medium effort
Desktop
Speed 87 · 13 points to gain
- −8.5 Largest Contentful Paint medium effort
- −2.3 First Contentful Paint medium effort
- −2.3 Speed Index medium effort
SEO 91 · 9 points to gain
- −9.1 Links do not have descriptive text low effort
Accessibility 89 · 11 points to gain
- −3.8 `<html>` element does not have a `[lang]` attribute low effort
- −3.8 Links do not have a discernible name medium effort
- −1.6 Heading elements are not in a sequentially-descending order medium effort
- −1.6 Document does not have a main landmark. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Harper default demo ↗ | 71 | 91 | 89 | 87 | 91 | 89 | 2026-09-29 |
| home ↗ | 71 | 91 | 89 | 87 | 91 | 89 | 2026-09-29 |
Show this score on your site
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<a href="https://themestested.com/theme/webflow/harper-portfolio-website-template"><img src="https://themestested.com/badge/webflow/harper-portfolio-website-template.svg" alt="Harper speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.