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PHP vs Siteimprove

Based on 1540 and 90 real audits

View PHP details | View Siteimprove details
MetricPHPSiteimproveWinner
Performance5035PHP
Accessibility8895Siteimprove
Best Practices8986PHP
SEO9194Siteimprove
Security7064PHP
TTFB632ms535msSiteimprove
Composite7773PHP
Performance
PHP
50
Siteimprove
35
Accessibility
PHP
88
Siteimprove
95
Security
PHP
70
Siteimprove
64
SEO
PHP
91
Siteimprove
94
Composite
PHP
77
Siteimprove
73

PHP outperforms Siteimprove in 4 of 7 categories, with a stronger composite score (77 vs 73). Siteimprove leads in accessibility, SEO, TTFB.

When to choose PHP

Choose PHP when your primary concern is performance and security. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose Siteimprove

Choose Siteimprove when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 1540 audited PHP sites and 90 audited Siteimprove sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

FAQ

Which is faster, PHP or Siteimprove?
Based on real BeaverCheck audits, PHP sites score higher on Lighthouse performance (50 vs 35 on average).
Which has better security, PHP or Siteimprove?
PHP sites score higher on security analysis (70 vs 64 on average).
Which has better accessibility, PHP or Siteimprove?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Siteimprove (95 vs 88). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, PHP or Siteimprove?
Siteimprove sites score higher on Lighthouse SEO signals (94 vs 91 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), PHP or Siteimprove?
Siteimprove sites show lower Time to First Byte (535 ms vs 632 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose PHP or Siteimprove for my website?
Both platforms have trade-offs. PHP scores higher on overall composite score while PHP may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
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