1s.is
Registered
Page analyze update date:
2025/10/11 15:31:41
Last whois update date:
2026/03/01 20:46:14
Domain Status
Registered
Paid till
29.09.2026
Available from
29.10.2026
×
![Fullscreen website screenshot]()
1s.is Website screenshot
SEO Score
76.71%
112
Score achieved
146
Maximum score
Main Information
Title: Rút gọn link 1s.is và nhiều công cụ trực tuyến hữu ích
Description: Kho công cụ trực tuyến hữu ích miễn phí: rút gọn link, up ảnh, notepad online, công cụ văn bản, công cụ web/SEO, công cụ thời gian, thiệp trái tim,... tất cả đều miễn phí tại 1s.is
Keywords: unknown
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 75 KB
Server Information
IP: 104.21.83.223
Location: ,,,,,,
Encoding: UTF-8
Meta Tags List
- charset: UTF-8
- name: viewport content: width=device-width, initial-scale=1
- name: facebook-domain-verification content: vsm1c4yirfignek2vptu4pi9188b9y
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- name: zalo-platform-site-verification content: Mzwu2z78Fb9Mrh84tVW66bVDgJAxktXiC30u
- name: p:domain_verify content: a7ba61092809e1405d4e2beb0c98f023
- name: dmca-site-verification content: YnpRY2JzRTVwK1lsUCtyQXZmQXExdz090
- name: yandex-verification content: 4f111cdd09fbeeb8
- name: google-adsense-account content: ca-pub-6816249517689896
- name: msvalidate.01 content: F07A6B215167EA74FA42614C5826C6B9
- name: robots content: index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- name: description content: Kho công cụ trực tuyến hữu ích miễn phí: rút gọn link, up ảnh, notepad online, công cụ văn bản, công cụ web/SEO, công cụ thời gian, thiệp trái tim,... tất cả đều miễn phí tại 1s.is
- property: og:locale content: en_US
- property: og:type content: website
- property: og:title content: Rút gọn link 1s.is và nhiều công cụ trực tuyến hữu ích
- property: og:description content: Kho công cụ trực tuyến hữu ích miễn phí: rút gọn link, up ảnh, notepad online, công cụ văn bản, công cụ web/SEO, công cụ thời gian, thiệp trái tim,... tất cả đều miễn phí tại 1s.is
- property: og:url content: https://1s.is/
- property: og:site_name content: 1S
- property: og:image content: https://1s.is/wp-content/uploads/avaa.png
- property: og:image:width content: 800
- property: og:image:height content: 800
- property: og:image:type content: image/png
- name: twitter:card content: summary_large_image
- name: generator content: Site Kit by Google 1.151.0
- name: description content: Trang chủ của website bạn. Đây là nội dung mô tả chính.
- name: msapplication-TileImage content: https://1s.is/wp-content/uploads/cropped-icon-270x270.jpg
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Internal Links
External Links
Whois Information
domain_name: 1s.is
update_date: 2025-01-11T07:20:41+00:00
update_time: 1736580041
creation_date: 2024-09-30T09:05:01+00:00
creation_time: 1727687101
states: active
Whois Raw Data
Domain Name: 1S.IS
Domain Status: active
Creation Date: 2024-09-30T09:05:01+00:00
Updated Date: 2025-01-11T07:20:41+00:00
Name Server: IGOR.NS.CLOUDFLARE.COM
Name Server: ZARA.NS.CLOUDFLARE.COM
REGISTRANT Contact: individual
ADMINISTRATIVE Contact: org
BILLING Contact: org
ZONE Contact: org
>>> Last update of RDAP database: 2026-03-01T20:46:14Z
Robots.txt
# START YOAST BLOCK # --------------------------- User-agent: * Disallow: /wp-json/ Disallow: /?rest_route= Sitemap: https://1s.is/sitemap_index.xml # --------------------------- # END YOAST BLOCK
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header: UTF-8
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
77597 bytes
Page size acceptable for fast loading.
✓
Resources
34 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
✓
Robots.txt
Exists
Robots.txt file found.
✓
Sitemap
Declared in robots.txt
Sitemap declared in robots.txt.
✓
HTTPS
Yes
Secure HTTPS connection enabled.
✓
Compression
zstd
Gzip or Zstd compression enabled for faster loading.
✓
Caching
no-store, no-cache, must-revalidate
Cache-control headers properly set.
✓
Page Speed
10.79 ms
Excellent loading speed.
On-Page SEO
✓
Title
Rút gọn link 1s.is và nhiều công cụ trực tuyến hữu ích
Good title length (30-60 characters).
!
Meta Description
Kho công cụ trực tuyến hữu ích miễn phí: rút gọn link, up ảnh, notepad online, công cụ văn bản, công cụ web/SEO, công cụ thời gian, thiệp trái tim,... tất cả đều miễn phí tại 1s.is Lenght:180
Meta description too long. Reduce to 100-160 characters.
✓
H1 Heading
1 found - "Rút gọn link và nhiều công cụ trực tuyến khác"
Good - single H1 heading found.
!
Word Count
458
Content somewhat short. Expand to 500+ words for optimal SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
!
Duplicate Meta
{"description":2}
Remove duplicate meta tags to avoid conflicts.
✓
Keywords
Meta keywords are optional (not used by major search engines).
Content and UX
✓
Language
en-us
Language attribute properly set.
✓
Images
3 total, 0 missing ALT
All images have proper ALT text.
✓
Viewport
width=device-width, initial-scale=1
Viewport meta tag properly set for mobile devices.
✓
Open Graph
All OG tags present.
All essential OpenGraph tags present.
✓
Structured Data
2 JSON-LD scripts
Structured data (JSON-LD) found.
Positions in Yandex
Search Phrases - Yandex
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 1 | / |