letpub.com.cn
LetPub官网-SCI论文润色公司、论文修改机构、SCI投稿协助辅导机构
Last scanned Jul 26, 2026, 12:19 PM · 12 views
Overall score
Great
Summary
LetPub SCI论文英语润色和同行资深专家修改团队全部由以英语为母语，有长期编辑科技论文经验的编辑组成。他们来自于临床医学、生物、化学、物理、工程学 、天文��… This website uses Apache hosted on ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN. SEO is fair (65/100) and accessibility is fair (70/100). Security scores excellent (95/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
LetPub SCI论文英语润色和同行资深专家修改团队全部由以英语为母语，有长期编辑科技论文经验的编辑组成。他们来自于临床医学、生物、化学、物理、工程学 、天文学、地球与环境科学、人文社会学、商学等不同学科领域，且有丰富的SCI研究论文、领域综述的发表经验，经常获邀担任一些期刊的审稿人。
- China
- Hosted on ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN
Top issues to fix
10 issues found · 1 high priority
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
+4 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
257 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Organization
Company details published in this site's own structured data.
LetPub SCI论文英语润色和同行资深专家修改团队全部由以英语为母语，有长期编辑科技论文经验的编辑组成。他们来自于临床医学、生物、化学、物理、工程学 、天文学、地球与环境科学、人文社会学、商学等不同学科领域，且有丰富的SCI研究论文、领域综述的发表经验，经常获邀担任一些期刊的审稿人。
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- LetPub官网-SCI论文润色公司、论文修改机构、SCI投稿协助辅导机构
- Description
- LetPub SCI论文英语润色和同行资深专家修改团队全部由以英语为母语，有长期编辑科技论文经验的编辑组成。他们来自于临床医学、生物、化学、物理、工程学 、天文学、地球与环境科学、人文社会学、商学等不同学科领域，且有丰富的SCI研究论文、领域综述的发表经验，经常获邀担任一些期刊的审稿人。
- Canonical
- Language
- Charset
- utf-8
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN
- CDN provider
- —
- IP address
- 121.43.157.168
- ASN
- AS37963 (ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Sectigo Limited
- Subject
- *.letpub.com.cn
- Valid from
- Jul 3, 2026
- Valid to
- Jan 17, 2027
- Days until expiry
- 173
- SAN domains
- *.letpub.com.cn, letpub.com.cn
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 5 · H2 7 · H3 0
Links
164 internal · 9 external · 0 broken
Images
89 total · 36 missing alt
Scripts / Styles
20 scripts · 6 stylesheets
JS / CSS size
397 KB · 199 KB
Page size
97.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 3
- sitemap.xml
- Found
- URLs in sitemap
- 258
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- More than 20% of images are missing alt text
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://letpub.com.cn
- Final URL
- https://letpub.com.cn
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 256 ms
- HTML size
- 97.0 KB
- Redirect chain
- https://letpub.com.cn
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does letpub.com.cn use?
- letpub.com.cn is built with PHP, jQuery, Google Analytics, Apache.
- Is letpub.com.cn secure (HTTPS)?
- Yes. letpub.com.cn uses TLS 1.2 with a certificate issued by Sectigo Limited, valid until Jan 17, 2027.
- Who hosts letpub.com.cn?
- letpub.com.cn is hosted on ALIBABA-CN-NET - Hangzhou Alibaba Advertising Co.,Ltd., CN.
- What is letpub.com.cn's SEO score?
- letpub.com.cn scored 65/100 for SEO in the latest analysis (fair).
- What is letpub.com.cn's overall website score?
- letpub.com.cn has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card