prismjs.com
Registered
Page analyze update date:
2026/03/20 13:23:18
Last whois update date:
2026/07/28 23:20:06
Domain Status
Registered
Paid till
30.07.2026
Available from
29.08.2026
×
![Fullscreen website screenshot]()
prismjs.com Website screenshot
Domain Backup
Screenshot of the main page of prismjs.com, taken on 28.07.2026
1.22 MB
Archive Size
41
Files in Archive
28.07.2026
Creation Date
HTML, CSS, JS, Images
File Types
SEO Score
51.37%
75
Score achieved
146
Maximum score
Main Information
Title: Prism
Description: unknown
Keywords: unknown
Page Encoding:
utf-8
Page Filesize: 693 KB
Server Information
IP: 3.33.186.135
Location: United States,US,,,37.751,-97.822,America/Chicago
Http Server: netlify
Encoding: utf-8
Meta Tags List
- name: viewport content: width=device-width
- charset: utf-8
Internal Links
External Links
Whois Information
domain_name: prismjs.com
update_date: 2025-07-29T07:37:50Z
update_time: 1753774670
creation_date: 2012-07-30T23:19:40Z
creation_time: 1343690380
expiration_date: 2026-07-30T23:19:40Z
Whois Raw Data
Domain Name: PRISMJS.COM
Registrar: Porkbun LLC
Domain Status: client delete prohibited
Domain Status: client transfer prohibited
Creation Date: 2012-07-30T23:19:40Z
Registry Expiry Date: 2026-07-30T23:19:40Z
Updated Date: 2025-07-29T07:37:50Z
Name Server: DNS1.P03.NSONE.NET
Name Server: DNS2.P03.NSONE.NET
Name Server: DNS3.P03.NSONE.NET
Name Server: DNS4.P03.NSONE.NET
REGISTRAR Contact: Porkbun LLC
>>> Last update of RDAP database: 2026-07-28T23:20:06Z
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
710494 bytes
Page size acceptable for fast loading.
✓
Resources
19 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
br
Enable gzip or zstd compression to reduce file sizes.
✓
Caching
public,max-age=0,must-revalidate
Cache-control headers properly set.
✓
Page Speed
1.01 ms
Excellent loading speed.
On-Page SEO
!
Title
Prism
Title too short. Expand to 30-60 characters for better SEO.
!
Meta Description
Lenght:0
Add a meta description (100-160 characters recommended).
!
H1 Heading
11 found - ""
Use only one H1 heading per page. Remove extra H1 tags.
✓
Word Count
7695
Content very comprehensive. Consider breaking into multiple pages if too long.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Meta keywords are optional (not used by major search engines).
Content and UX
✓
Language
en
Language attribute properly set.
!
Images
11 total, 1 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
width=device-width
Viewport meta tag properly set for mobile devices.
!
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.