Profscann research

The State of Web Security

What we actually find when we scan real websites. Every figure below comes from live Profscann scans — aggregated, anonymous, and updated automatically.

Sites analysed

237

Average security score

54/100

Average SEO score

93/100

What most websites get wrong

Percentage of scanned sites failing each check.

83% have no CAA record restricting certificate issuance

197 sites

68% have not enabled DNSSEC

160 sites

61% have no DMARC record, so their email can be spoofed

144 sites

59% have no Content-Security-Policy

139 sites

48% have no Referrer-Policy

114 sites

44% have no clickjacking protection

105 sites

43% do not enforce HTTPS with HSTS

103 sites

41% allow browsers to MIME-sniff responses

97 sites

39% have no SPF record

92 sites

34% leak their exact software versions

81 sites

How sites score overall

A

11%

25

B

18%

42

C

36%

85

D

13%

31

F

23%

54

Based on 237 completed scans. Aggregated and anonymous — no individual site, owner or result is identified. Last updated Sun, Nov 8, 2026 2:40 PM.

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