www.chemsrc.com
Geregistreerd
Updatedatum van paginaanalyse:
2026/06/05 00:46:21
Laatste whois-updatedatum:
2026/07/31 04:36:11
Domeinstatus
Geregistreerd
Betaald tot
01.06.2027
Verkrijgbaar vanaf
01.07.2027
×
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www.chemsrc.com Schermafbeelding van website
SEO-score
63.7%
93
Score behaald
146
Maximale score
Belangrijkste informatie
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
Beschrijving: 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。
Trefwoorden: onbekend
Paginacodering:
utf-8
Pagina Bestandsgrootte: 256 KB
Serverinformatie
IP: 47.97.222.117
Locatie: China,CN,Hangzhou,30.2943,120.1663,Asia/Shanghai
Http-server: nginx
Codering: utf-8
Lijst metatags
- 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 koppelingen
Externe koppelingen
Whois-informatie
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 onbewerkte gegevens
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-audit
Technische SEO
✓
Reactiecode
200
Status 200 OK - pagina wordt correct geladen.
✓
Tekencodering
Page: utf-8, Header: utf-8
Tekencodering consistent tussen HTML en headers.
✓
Paginagrootte
262680 bytes
Paginaformaat acceptabel voor snel laden.
✓
Bronnen
32 total
Matig aantal bronnen. Overweeg om bestanden te combineren.
✓
Hreflang-tags
3 hreflang tags
Hreflang-tags gevonden voor meertalige SEO.
✓
Robots.txt
Exists
Robots.txt-bestand gevonden.
!
Sitemap
Not found
Voeg sitemap.xml toe en verwijs ernaar in robots.txt.
✓
HTTPS
Yes
Beveiligde HTTPS-verbinding ingeschakeld.
✓
Compressie
gzip
Gzip- of Zstd-compressie ingeschakeld voor sneller laden.
!
Caching
Not set
Voeg cache-control headers toe om de laadsnelheid voor terugkerende bezoekers te verbeteren.
✓
Paginasnelheid
6.63 ms
Uitstekende laadsnelheid.
SEO op de pagina
✓
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
Goede titellengte (30-60 tekens).
✓
Metabeschrijving
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
Goede lengte van de metabeschrijving (100-160 tekens).
!
H1-rubriek
0 found - ""
Voeg precies één H1-kop toe met primaire zoekwoorden.
!
Aantal woorden
39
Inhoud zeer kort. Streef naar minimaal 500 woorden voor betere SEO.
!
Canonieke tag
Voeg een canonieke tag toe om problemen met dubbele inhoud te voorkomen.
✓
Dubbele meta
[]
Geen dubbele metatags gevonden.
✓
Trefwoorden
Meta-trefwoorden zijn optioneel (worden niet gebruikt door grote zoekmachines).
Inhoud en UX
!
Taal
Voeg het lang-attribuut toe aan de -tag voor toegankelijkheid en SEO.
!
Afbeeldingen
9 total, 4 missing ALT
Voeg ALT-tekst toe aan afbeeldingen voor toegankelijkheid en SEO.
✓
Kijkpoort
width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
Viewport-metatag correct ingesteld voor mobiele apparaten.
!
Grafiek openen
Missing: og:title, og:description, og:image, og:url
Voeg ontbrekende OpenGraph-tags toe voor het delen op sociale media:og:title, og:description, og:image, og:url
✓
Gestructureerde gegevens
1 JSON-LD scripts
Gestructureerde gegevens (JSON-LD) gevonden.
Posities binnen Google
Zoek zinnen - Google
| Positie | Zin | Pagina | Fragment |
|---|---|---|---|
| 2 | /en/cas/100-34-5_912... |
Posities binnen Yandex
Zoek zinnen - Yandex
| Positie | Zin | Pagina | Fragment |
|---|---|---|---|
| 11 | /en/cas/119-26-6_829... |