html5games.com website report
HTML5 Games - Play for free online
Last scanned
Overall score
Great
About html5games.com
html5games.com is a website. It describes itself as “Play the best HTML5 games for free”.
Score profile
Top issues to fix
9 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
How it compares
html5games.com scores higher overall than 60% of the 163,243 sites we have scanned.
vs. All scanned sites
163,243 sitesThe dot is this site; the tick is the typical (median) score for the group. The number on the right is the percentile: the share of the group this site scores above.
Technology stack
html5games.com is built with Nginx and Google Analytics.
Analytics (1)
Servers (1)
Hosting & DNS
- IP address
- —
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/2
Show DNS record values
TXT record contents are not republished; only their count is shown.
Security
html5games.com uses TLS 1.2 with a certificate valid for 80 more days and sets 1 of 6 recommended security headers.
Security headers1 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 2
- Cookies set
- 0
Email security
html5games.com does not receive email, but does not fully block others from sending mail in its name.
No MX records: this domain does not receive mail.
- SPFNot set
No SPF record: anyone can claim to send mail from this domain.
- DMARCNot set
No DMARC policy: forged mail is not told to be rejected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
html5games.com scores 100/100 for performance, with an estimated load time of 0.4 s. A visit emits an estimated 0.03 g of CO2 (grade A+).
Page weight
- HTML 31.8 KB
- JavaScript 174 B
- CSS 52.1 KB
- Est. load
- 385 ms
- Response
- 385 ms
- Scripts / CSS
- 9 / 2
Carbon per visitA+
0.03 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
html5games.com scores 70/100 for SEO and 100/100 for accessibility, with 5 SEO issues to fix.
Heading structure
5 H1s; one is the convention.
Image alt text
40 images · 0 without alt text · 0 lazy-loaded
Links
- Internal 48
- External 7
- Broken 9
SEO issues5
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues0
No accessibility issues detected.
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- HTML5 Games - Play for free online
- Description
- Play the best HTML5 games for free. HTML5games.com offers worlds first affiliate program for publishers.
- Canonical
- Language
- en
- Robots meta
- index,follow
Crawl files
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
Structured data
No JSON-LD types declared.
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://html5games.com
- HTTP status
- 200
- Redirects
- https://html5games.com
- Scanned
- Aug 24, 2026, 1:23 PM
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<a href="https://sitegraph.tech/site/html5games-com"><img src="https://sitegraph.tech/badge/html5games-com.svg" alt="html5games.com on SiteGraph" width="190" height="20" /></a>See something wrong on this report? Request a correction or ask for something to be removed.
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Frequently asked questions about html5games.com
- What is html5games.com?
- html5games.com is a website. It describes itself as “Play the best HTML5 games for free”.
- What technology does html5games.com use?
- html5games.com is built with Nginx and Google Analytics.
- Is html5games.com secure?
- html5games.com uses TLS 1.2 with a certificate valid for 80 more days and sets 1 of 6 recommended security headers.
- Is html5games.com protected against email spoofing?
- html5games.com does not receive email, but does not fully block others from sending mail in its name.
- How does html5games.com compare with similar sites?
- html5games.com scores higher overall than 60% of the 163,243 sites we have scanned.
- What is html5games.com's overall score?
- html5games.com has an overall SiteGraph score of 84/100, combining SEO (70), performance (100), security (70) and accessibility (100).
Open Graph & Twitter