www.chemsrc.com
Registreret
Sideanalyseopdateringsdato:
2026/06/05 00:46:21
Sidste whois opdateringsdato:
2026/07/31 04:36:11
Domænestatus
Registreret
Betalt indtil
01.06.2027
Tilgængelig fra
01.07.2027
×
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www.chemsrc.com Skærmbillede af hjemmesiden
SEO-score
63.7%
93
Score opnået
146
Maksimal score
Hovedoplysninger
Titel: 名称,CAS号, CAS No,分子式,SMILES,InChIKey,EINECS查询 「化源网」 专业化工搜索引擎
Beskrivelse: 化源网提供快速名称,CAS号, CAS No,分子式,SMILES,InChIKey,EINECS查询，数百万化合物的专业数据，包括物化, MSDS, 安全信息, 合成路线及文献, 毒性，上下游，期刊文献等。
Nøgleord: ukendt
Sidekodning:
utf-8
Side filstørrelse: 256 KB
Serverinformation
IP: 47.97.222.117
Beliggenhed: China,CN,Hangzhou,30.2943,120.1663,Asia/Shanghai
Http server: nginx
Kodning: utf-8
Metatags liste
- name: keywords content: 名称,CAS号, CAS No,分子式,SMILES,InChIKey,EINECS，中国化工网
- name: description content: 化源网提供快速名称,CAS号, CAS No,分子式,SMILES,InChIKey,EINECS查询，数百万化合物的专业数据，包括物化, MSDS, 安全信息, 合成路线及文献, 毒性，上下游，期刊文献等。
- equiv: Content-Language content: zh-CN
- equiv: Content-Type content: text/html; charset=UTF-8
- name: viewport content: width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
- name: applicable-device content: pc,mobile
- name: referrer content: always
- equiv: X-UA-Compatible content: IE=edge,chrome=1
- name: renderer content: webkit
- equiv: Cache-Control content: no-transform
- equiv: Cache-Control content: no-siteapp
Interne links
Eksterne links
Whois information
domain_name: chemsrc.com
update_date: 2026-01-12T07:37:03Z
update_time: 1768203423
creation_date: 2015-06-01T07:33:32Z
creation_time: 1433144012
expiration_date: 2027-06-01T07:33:32Z
Whois rå data
Domain Name: CHEMSRC.COM
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Domain Status: client transfer prohibited
Creation Date: 2015-06-01T07:33:32Z
Registry Expiry Date: 2027-06-01T07:33:32Z
Updated Date: 2026-01-12T07:37:03Z
Name Server: VIP3.ALIDNS.COM
Name Server: VIP4.ALIDNS.COM
REGISTRAR Contact: Alibaba Cloud Computing (Beijing) Co., Ltd.
>>> Last update of RDAP database: 2026-07-31T04:36:11Z
Robots.txt
User-agent: * Disallow: /ContactUs.jsp Disallow: /login.jsp?* Disallow: /login.jsp Disallow: /register.jsp Disallow: /Statement.jsp Disallow: /getPdf.jsp Disallow: /do*.jsp Disallow: /Request.jsp Disallow: /usermodify.jsp Disallow: /MyEnquiry.jsp Disallow: /MyProduct.jsp Disallow: /FillProduct.jsp Disallow: /en/ContactUs.jsp Disallow: /en/login.jsp Disallow: /en/register.jsp Disallow: /en/Statement.jsp Disallow: /en/getPdf.jsp Disallow: /en/do*.jsp Disallow: /en/Request.jsp Disallow: /en/usermodify.jsp Disallow: /en/MyEnquiry.jsp Disallow: /en/MyProduct.jsp Disallow: /en/FillProduct.jsp Disallow: /en/SSResult.jsp Disallow: /SSResult.jsp Disallow: /EnquiryProduct/ Disallow: /en/EnquiryProduct/ Disallow: /mip/en/Paper/ Disallow: /img/ad/ Disallow: /HeCi/*.html Disallow: /3DView/*.html Disallow: /en/3DView/*.html Disallow: /en/Spectral/*.html Disallow: /SearchSup?act=getNMR* Disallow: /en/searchResult/ Disallow: /searchResult/ User-agent: Googlebot Disallow: /ContactUs.jsp Disallow: /login.jsp?* Disallow: /login.jsp Disallow: /register.jsp Disallow: /Statement.jsp Disallow: /getPdf.jsp Disallow: /do*.jsp Disallow: /Request.jsp Disallow: /usermodify.jsp Disallow: /MyEnquiry.jsp Disallow: /MyProduct.jsp Disallow: /FillProduct.jsp Disallow: /en/ContactUs.jsp Disallow: /en/login.jsp Disallow: /en/register.jsp Disallow: /en/Statement.jsp Disallow: /en/getPdf.jsp Disallow: /en/do*.jsp Disallow: /en/Request.jsp Disallow: /en/usermodify.jsp Disallow: /en/MyEnquiry.jsp Disallow: /en/MyProduct.jsp Disallow: /en/FillProduct.jsp Disallow: /en/SSResult.jsp Disallow: /SSResult.jsp Disallow: /EnquiryProduct/ Disallow: /en/EnquiryProduct/ Disallow: /mip/en/Paper/ Disallow: /img/ad/ Disallow: /HeCi/*.html Disallow: /3DView/*.html Disallow: /en/3DView/*.html Disallow: /SearchSup?act=getNMR* Disallow: /js/*.js User-agent: Baiduspider Disallow: /ContactUs.jsp Disallow: /login.jsp?* Disallow: /login.jsp Disallow: /register.jsp Disallow: /Statement.jsp Disallow: /getPdf.jsp Disallow: /do*.jsp Disallow: /Request.jsp Disallow: /usermodify.jsp Disallow: /MyEnquiry.jsp Disallow: /MyProduct.jsp Disallow: /FillProduct.jsp Disallow: /en/ContactUs.jsp Disallow: /en/login.jsp Disallow: /en/register.jsp Disallow: /en/Statement.jsp Disallow: /en/getPdf.jsp Disallow: /en/do*.jsp Disallow: /en/Request.jsp Disallow: /en/usermodify.jsp Disallow: /en/MyEnquiry.jsp Disallow: /en/MyProduct.jsp Disallow: /en/FillProduct.jsp Disallow: /en/SSResult.jsp Disallow: /SSResult.jsp Disallow: /EnquiryProduct/ Disallow: /en/EnquiryProduct/ Disallow: /mip/en/Paper/ Disallow: /img/ad/ Disallow: /HeCi/*.html Disallow: /3DView/*.html Disallow: /en/3DView/*.html Disallow: /en/Spectral/*.html Disallow: /SearchSup?act=getNMR* Disallow: /js/*.js User-agent: bingbot User-agent: MSNBot Disallow: /ContactUs.jsp Disallow: /login.jsp?* Disallow: /login.jsp Disallow: /register.jsp Disallow: /Statement.jsp Disallow: /getPdf.jsp Disallow: /do*.jsp Disallow: /Request.jsp Disallow: /usermodify.jsp Disallow: /MyEnquiry.jsp Disallow: /MyProduct.jsp Disallow: /FillProduct.jsp Disallow: /en/ContactUs.jsp Disallow: /en/login.jsp Disallow: /en/register.jsp Disallow: /en/Statement.jsp Disallow: /en/getPdf.jsp Disallow: /en/do*.jsp Disallow: /en/Request.jsp Disallow: /en/usermodify.jsp Disallow: /en/MyEnquiry.jsp Disallow: /en/MyProduct.jsp Disallow: /en/FillProduct.jsp Disallow: /en/SSResult.jsp Disallow: /SSResult.jsp Disallow: /EnquiryProduct/ Disallow: /en/EnquiryProduct/ Disallow: /mip/en/Paper/ Disallow: /img/ad/ Disallow: /HeCi/*.html Disallow: /3DView/*.html Disallow: /en/3DView/*.html Disallow: /en/Spectral/*.html Disallow: /salerIndex/*.html Disallow: /SearchSup?act=getNMR* Disallow: /js/*.js User-agent: 360Spider Disallow: /ContactUs.jsp Disallow: /login.jsp?* Disallow: /login.jsp Disallow: /register.jsp Disallow: /Statement.jsp Disallow: /getPdf.jsp Disallow: /do*.jsp Disallow: /Request.jsp Disallow: /usermodify.jsp Disallow: /MyEnquiry.jsp Disallow: /MyProduct.jsp Disallow: /FillProduct.jsp Disallow: /en/ContactUs.jsp Disallow: /en/login.jsp Disallow: /en/register.jsp Disallow: /en/Statement.jsp Disallow: /en/getPdf.jsp Disallow: /en/do*.jsp Disallow: /en/Request.jsp Disallow: /en/usermodify.jsp Disallow: /en/MyEnquiry.jsp Disallow: /en/MyProduct.jsp Disallow: /en/FillProduct.jsp Disallow: /en/SSResult.jsp Disallow: /SSResult.jsp Disallow: /EnquiryProduct/ Disallow: /en/EnquiryProduct/ Disallow: /mip/en/Paper/ Disallow: /img/ad/ Disallow: /HeCi/*.html Disallow: /3DView/*.html Disallow: /en/3DView/*.html Disallow: /en/Spectral/*.html Disallow: /salerIndex/*.html Disallow: /SearchSup?act=getNMR* Disallow: /js/*.js
SEO revision
Teknisk SEO
✓
Svarkode
200
Status 200 OK - siden indlæses korrekt.
✓
Tegnkodning
Page: utf-8, Header: utf-8
Tegnkodning konsekvent mellem HTML og overskrifter.
✓
Sidestørrelse
262680 bytes
Sidestørrelse acceptabel til hurtig indlæsning.
✓
Ressourcer
32 total
Moderat antal ressourcer. Overvej at kombinere filer.
✓
Hreflang Tags
3 hreflang tags
Hreflang-tags fundet til flersproget SEO.
✓
Robots.txt
Exists
Robots.txt-fil fundet.
!
Sitemap
Not found
Tilføj sitemap.xml og referer til det i robots.txt.
✓
HTTPS
Yes
Sikker HTTPS-forbindelse aktiveret.
✓
Kompression
gzip
Gzip eller Zstd-komprimering aktiveret for hurtigere indlæsning.
!
Caching
Not set
Tilføj cache-kontroloverskrifter for at forbedre indlæsningshastigheden for tilbagevendende besøgende.
✓
Sidehastighed
6.63 ms
Fremragende læssehastighed.
On-Page SEO
✓
Titel
名称,CAS号, CAS No,分子式,SMILES,InChIKey,EINECS查询 「化源网」 专业化工搜索引擎
God titellængde (30-60 tegn).
✓
Meta beskrivelse
化源网提供快速名称,CAS号, CAS No,分子式,SMILES,InChIKey,EINECS查询，数百万化合物的专业数据，包括物化, MSDS, 安全信息, 合成路线及文献, 毒性，上下游，期刊文献等。 Lenght:104
God metabeskrivelseslængde (100-160 tegn).
!
H1 Overskrift
0 found - ""
Tilføj præcis én H1-overskrift med primære søgeord.
!
Ordtælling
39
Indhold meget kort. Sigt efter mindst 500 ord for bedre SEO.
!
Kanonisk tag
Tilføj kanonisk tag for at forhindre duplikatindholdsproblemer.
✓
Duplicate Meta
[]
Ingen duplikerede metatags fundet.
✓
Nøgleord
Meta søgeord er valgfrie (bruges ikke af større søgemaskiner).
Indhold og UX
!
Sprog
Tilføj lang attribut til tag for tilgængelighed og SEO.
!
Billeder
9 total, 4 missing ALT
Tilføj ALT-tekst til billeder for tilgængelighed og SEO.
✓
Udsigtsport
width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
Viewport-metatag korrekt indstillet til mobilenheder.
!
Åbn Graph
Missing: og:title, og:description, og:image, og:url
Tilføj manglende OpenGraph-tags til deling på sociale medier:og:title, og:description, og:image, og:url
✓
Strukturerede data
1 JSON-LD scripts
Strukturerede data (JSON-LD) fundet.
Stillinger i Google
Søgesætninger - Google
| Position | Udtryk | Side | Uddrag |
|---|---|---|---|
| 2 | /en/cas/100-34-5_912... |
Stillinger i Yandex
Søgesætninger - Yandex
| Position | Udtryk | Side | Uddrag |
|---|---|---|---|
| 11 | /en/cas/119-26-6_829... |