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w3resource.com

Web development tutorials | w3resource

Last scanned Jul 26, 2026, 1:49 PM

79

Overall score

Fair

Summary

Web development tutorials on HTML, CSS, JS, PHP, SQL, MySQL, PostgreSQL, MongoDB, JSON and more. This website uses Google Analytics behind Cloudflare CDN. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing canonical link.

Web development tutorials on HTML, CSS, JS, PHP, SQL, MySQL, PostgreSQL, MongoDB, JSON and more.

Top issues to fix

10 issues found · 3 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

+4 more issues — details in the sections below.

65

SEO

5 issue(s) found

100

Performance

240 ms

65

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Web development tutorials on HTML, CSS, JS, PHP, SQL, MySQL, PostgreSQL, MongoDB, JSON and more.

FacebookX (Twitter)

Meta tags

Title
Web development tutorials | w3resource
Description
Web development tutorials on HTML, CSS, JS, PHP, SQL, MySQL, PostgreSQL, MongoDB, JSON and more.
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
web development tutorials from w3resource
og:description
Web development tutorials on HTML, CSS, JS, PHP, SQL, MySQL, PostgreSQL, MongoDB, JSON and more.
og:type
tutorial
og:url
https://www.w3resource.com/

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Google AnalyticsCloudflare Analytics

Hosting & CDN

Hosting provider
—
CDN provider
Cloudflare
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
w3resource.com
Valid from
Jul 9, 2026
Valid to
Oct 7, 2026
Days until expiry
70
SAN domains
w3resource.com, *.w3resource.com

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyMissing
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

462 internal · 7 external · 20 broken

Images

1 total · 0 missing alt

Scripts / Styles

15 scripts · 3 stylesheets

JS / CSS size

66.3 KB · 10.0 KB

Page size

180 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://w3resource.com
Final URL
https://w3resource.com
HTTP status
200
HTTP version
HTTP/2
Response time
237 ms
HTML size
180 KB
Redirect chain
https://w3resource.com

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does w3resource.com use?
w3resource.com is built with Google Analytics, Cloudflare Analytics.
Is w3resource.com secure (HTTPS)?
Yes. w3resource.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 7, 2026.
Who hosts w3resource.com?
Hosting provider information for w3resource.com is not available yet.
What is w3resource.com's SEO score?
w3resource.com scored 65/100 for SEO in the latest analysis (fair).
What is w3resource.com's overall website score?
w3resource.com has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.