htmlpurifier.org
Registered
Page analyze update date:
2026/02/13 08:11:12
Last whois update date:
2026/01/28 05:03:56
Domain Status
Registered
Paid till
10.04.2026
Available from
10.05.2026
×
![Fullscreen website screenshot]()
htmlpurifier.org Website screenshot
SEO Score
51.37%
75
Score achieved
146
Maximum score
Main Information
Title: HTML Purifier - Filter your HTML the standards-compliant way!
Description: HTML filter that guards against XSS and ensures standards-compliant output.
Keywords: HTMLPurifier, HTML Purifier, HTML, filter, filtering, standards, compliant, w3c, XSS, PHP, security, library, open source, LGPL, whitelist
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 12 KB
Server Information
IP: 18.4.86.46
Location: United States,US,Cambridge,02139,42.3649,-71.0987,America/New_York
Http Server: apache
Meta Tags List
- name: author content: Edward Z. Yang
- equiv: Content-Type content: text/html; charset=UTF-8
- name: description content: HTML filter that guards against XSS and ensures standards-compliant output.
- name: keywords content: HTMLPurifier, HTML Purifier, HTML, filter, filtering, standards, compliant, w3c, XSS, PHP, security, library, open source, LGPL, whitelist
- name: Date content: 2007-03-02T23:09:12-05:00
Internal Links
External Links
Whois Information
domain_name: htmlpurifier.org
update_date: 2025-03-16T07:34:58.412Z
update_time: 1742110498
creation_date: 2007-04-10T03:18:00.056Z
creation_time: 1176175080
expiration_date: 2026-04-10T03:18:00.056Z
Whois Raw Data
Domain Name: HTMLPURIFIER.ORG
Registrar: NameCheap, Inc.
Domain Status: client transfer prohibited
Registry Expiry Date: 2026-04-10T03:18:00.056Z
Creation Date: 2007-04-10T03:18:00.056Z
Updated Date: 2025-03-16T07:34:58.412Z
Name Server: DNS1.REGISTRAR-SERVERS.COM
Name Server: DNS2.REGISTRAR-SERVERS.COM
REGISTRAR Contact: NameCheap, Inc.
>>> Last update of RDAP database: 2026-01-28T08:03:56Z
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header:
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
12648 bytes
Page size acceptable for fast loading.
✓
Resources
12 total
Optimal number of resources.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
!
Robots.txt
Missing
Add robots.txt file to control search engine crawling.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
!
Compression
Not detected
Enable gzip or zstd compression to reduce file sizes.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
✓
Page Speed
2.72 ms
Excellent loading speed.
On-Page SEO
!
Title
HTML Purifier - Filter your HTML the standards-compliant way!
Title too long. Reduce to 30-60 characters to avoid truncation.
!
Meta Description
HTML filter that guards against XSS and ensures standards-compliant output. Lenght:75
Meta description too short. Expand to 100-160 characters.
✓
H1 Heading
1 found - "HTML
Purifier"
Good - single H1 heading found.
✓
Word Count
712
Good content length (500-2000 words recommended).
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
HTMLPurifier, HTML Purifier, HTML, filter, filtering, standards, compliant, w3c, XSS, PHP, security, library, open source, LGPL, whitelist
Meta keywords set (note: not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
✓
Images
1 total, 0 missing ALT
All images have proper ALT text.
!
Viewport
Add viewport meta tag for mobile responsiveness.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 7 | / | ||
| 28 | /docs/enduser-utf8.html | ||
| 29 | /docs/enduser-utf8.html | ||
| 31 | / | ||
| 45 | / | ||
| 56 | / | ||
| 59 | / | ||
| 71 | / |