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❌ 3 criteria to solve
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Alfa Aesar
https://alfa.com
Alfa Aesar is a leading manufacturer and supplier of research chemicals, pure metals and materials for a wide span of applications.
https://alfa.com
Alfa Aesar
Alfa Aesar is a leading manufacturer and supplier of research chemicals, pure metals and materials for a wide span of applications...
Great, a redirect is in place to redirect traffic from your non-preferred domain. All versions of your page point to the same URL.
| Attribute | Value |
| ⓘ viewport | width=device-width, minimum-scale=0.25, maximum-scale=1.0, initial-scale=1.0 |
ⓘ The results of our semantic analysis are shown below using the website's language.
They are the main concepts covered by alfa.com.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
| Topics | |
Alfa Aesar Confidence: 87% 
|
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Chemical substance Confidence: 70%
|
|
Manufacturing Confidence: 68%
|
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Research chemical Confidence: 67% 
|
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Metal Confidence: 63%
|
❌ alfa.com website speed is normal. Page speed is important for visitors and search engines.
Get insights to improve your page loading time.
This domain loads at the median speed of 2.3 seconds.
alfa.com is faster than approximately 34 percent of the web. Your website page speed needs to be as fast as you can make it, without compromising the customer experience.
A good goal to achieve is a loading time of 2 seconds on desktop and mobile devices.
ⓘ This website is ranked #175.568 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
| Country | Rank |
 India |
#79.773 |
 Russian Federation |
#134.525 |
 United States of America |
#117.675 |
 Iran (Islamic Republic of) |
#77.350 |
Mobile Rendering
This website seems to be optimized for Mobile Visitors.
Phone
Tablet
A good text to HTML ratio is anywhere from 25 to 70%.
This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information.
Great, we found headings on this page.
| Top level heading |
| Where science meets service |
| 3rd level heading |
| Feedback |
| 4th level heading |
| Products |
| ınformation |
| Contact |
| About us |
| Set language / region |
| Restore saved cart |
| Repeat previous order |
| Comments |
| 6th level heading |
| Cookies disclaimer |
We found 22 images on this website.
21
ALT attributes are missing on your image tags. The issue affects 8 actual different images that could be loaded more than once in your page.
Alternative text allows you to add a description to an image.
Google rely on alternative text attributes to determine relevance to a search query. Alternative text also makes an image more likely to appear in a Google image search.
It looks like you're missing alternative text for 21 images on alfa.com. Check your website to make sure it's specified for each image on the page.
For a better readability, only the first 50 internal links are shown below.
| Anchor | Type | URL |
| Login | text | /en/user/login/?next=/en/ |
| Register | text | /en/registration/register/ |
 |
image | / |
| Analytical & Labware | text | /en/analytical-labware/ |
| Catalysts | text | /en/catalysts/ |
| Chemicals | text | /en/chemicals/ |
| Life Science | text | /en/life-science/ |
| Metals & Materials | text | /en/metals-materials/ |
| Advanced Search | text | /en/advanced-search/ |
| Structure Search | text | /en/structure-search/ |
| Analytical | text | /en/analytical/ |
| Labware | text | /en/labware/ |
| Ferrocenes | text | /en/ferrocenes-1/ |
| Fuel Cell Products | text | /en/fuel-cell-products/ |
| Precious Metals & Catalysts | text | /en/precious-metals-catalysts/ |
| Inorganics | text | /en/inorganics/ |
| Organics | text | /en/organics/ |
| Organometallics | text | /en/organometallics/ |
| Solvents | text | /en/solvents/ |
| Biomedical Technologies (BT) Products | text | /en/biomedical-technologies-bt-products/ |
| Cellular & Molecular Biology | text | /en/cellular-molecular-biology/ |
| Genomics | text | /en/genomics/ |
| Immunology | text | /en/immunology/ |
| Labeling and Detection | text | /en/labeling-and-detection/ |
| Proteomics | text | /en/proteomics/ |
| Thermo Scientific Biochemicals | text | /en/thermo_scientific_biochemicals_1/ |
| Alloys | text | /en/alloys/ |
| Carbon | text | /en/carbon/ |
| Etchants | text | /en/etchants/ |
| Evaporation Materials | text | /en/evaporation-materials/ |
| Metal Gauzes | text | /en/metal-gauzes/ |
| Pure Elements | text | /en/pure-elements/ |
| Single Crystals | text | /en/single-crystals/ |
| Windows & Spheres | text | /en/windows-spheres/ |
| Alphabetical listing of Alloys | text | /en/alphabetical-listing-of-alloys/ |
| Brazing Alloys | text | /en/brazing-alloys/ |
| Nitinol™ Nickel Titanium Shape Memory Alloys | text | /en/nitinol-nickel-titanium-shape-memory-alloys/ |
| OFHC (Oxygen-Free High Conductivity) | text | /en/ofhc-oxygen-free-high-conductivity/ |
| Acids & Bases | text | /en/acids-bases/ |
| Analytical Graphite Products | text | /en/analytical-graphite-products/ |
| Conductivity Standards | text | /en/conductivity-standards/ |
| Indicators and Dyes | text | /en/indicators-and-dyes/ |
| Infrared Spectroscopy | text | /en/infrared-spectroscopy-1/ |
| Ion Exchange Resins | text | /en/ion-exchange-resins/ |
| Karl Fischer Reagents | text | /en/karl-fischer-reagents/ |
| Mass Spectrometry Standards | text | /en/mass-spectrometry-standards/ |
| pH Determination Materials | text | /en/ph-determination-materials/ |
| Polymer supported Materials | text | /en/polymer-supported-materials-1/ |
| Specpure® Atomic Absorption Products | text | /en/specpure-atomic-absorption-products/ |
| Specpure® Environmental Standards | text | /en/specpure-environmental-standards/ |
| Anchor | Type | URL |
| No anchor | empty | https://www.facebook.com/alfaaesar |
| No anchor | empty | https://twitter.com/alfaaesar |
| No anchor | empty | https://www.linkedin.com/company/alfa-aesar-a-johnson-matthey-company |
| No anchor | empty | https://plus.google.com/+alfaaesarglobal |
| No anchor | empty | https://www.youtube.com/channel/ucvtsyudmr5po_pm_que2feq |
| ⓘ Domain Registrar | MARKMONITOR, INC. |
| ⓘ Registration Date | 07/25/1995 30 years, 6 months, 12 days ago |
| ⓘ Last Modified | 01/19/2019 7 years, 15 days ago |
| ⓘ Expiration Date | 07/24/2020 Expired |
| Host | IP Address | Country |
| pdns4.ultradns.org | 199.7.69.1 | United States |
| pdns6.ultradns.co.uk | 204.74.115.1 | United States |
| pdns5.ultradns.info | 204.74.114.1 | United States |
| pdns1.ultradns.net | 204.74.108.1 | United States |
| pdns2.ultradns.net | 204.74.109.1 | United States |
| pdns3.ultradns.org | 199.7.68.1 | United States |
Others (31.1%)
United Kingdom
SOCIAL MEDIA PRESENCE
You have a relatively high presence on social media, keep going!
The more people share your website, the more likely you will get links from others, which is a key point when it comes to improving your overall search engine rankings.