pdf-lib.js.org
Registered
Page analyze update date:
2026/03/29 14:04:00
Last whois update date:
2026/03/27 12:51:51
Domain Status
Registered
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pdf-lib.js.org Website screenshot
SEO Score
56.85%
83
Score achieved
146
Maximum score
Main Information
Title: PDF-LIB · Create and modify PDF documents in any JavaScript environment.
Description: Create and modify PDF documents in any JavaScript environment.
Keywords: empty
Page Encoding:
utf-8
Page Filesize: 83 KB
Server Information
IP: 185.199.108.153
Location: United States,US,,,37.751,-97.822,America/Chicago
Http Server: github.com
Encoding: utf-8
Meta Tags List
- charset: utf-8
- equiv: X-UA-Compatible content: IE=edge
- name: viewport content: width=device-width
- name: generator content: Docusaurus
- name: description content: Create and modify PDF documents in any JavaScript environment.
- property: og:title content: PDF-LIB · Create and modify PDF documents in any JavaScript environment.
- property: og:type content: website
- property: og:url content: https://Hopding.github.io/
- property: og:description content: Create and modify PDF documents in any JavaScript environment.
- property: og:image content: https://Hopding.github.io/img/undraw_online.svg
- name: twitter:card content: summary
- name: twitter:image content: https://Hopding.github.io/img/undraw_tweetstorm.svg
Internal Links
External Links
Whois Information
update_date: of
update_time:
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
85868 bytes
Page size acceptable for fast loading.
✓
Resources
8 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
gzip
Gzip or Zstd compression enabled for faster loading.
✓
Caching
max-age=600
Cache-control headers properly set.
✓
Page Speed
4.72 ms
Excellent loading speed.
On-Page SEO
!
Title
PDF-LIB · Create and modify PDF documents in any JavaScript environment.
Title too long. Reduce to 30-60 characters to avoid truncation.
!
Meta Description
Create and modify PDF documents in any JavaScript environment. Lenght:62
Meta description too short. Expand to 100-160 characters.
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
✓
Word Count
1625
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
empty
Meta keywords set (note: not used by major search engines).
Content and UX
!
Language
Add lang attribute to tag for accessibility and SEO.
✓
Images
1 total, 0 missing ALT
All images have proper ALT text.
✓
Viewport
width=device-width
Viewport meta tag properly set for mobile devices.
✓
Open Graph
All OG tags present.
All essential OpenGraph tags present.
!
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 |
|---|---|---|---|
| 5 | /docs/api/classes/pd... | ||
| 35 | / | ||
| 36 | / |