✅ 8 criteria passed
❌ 3 criteria to solve
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Official ZOLL® Site - Medical Devices - Software Solutions
https://zoll.com
For more than 25 years, ZOLL has been a leader in developing and marketing medical devices and software solutions that advance emergency care and help save lives, wh...
https://zoll.com
Official ZOLL® Site - Medical Devices - Software Solutions
For more than 25 years, ZOLL has been a leader in developing and marketing medical devices and software solutions that advance eme...
| Alternate URL | Hreflang |
| https://www.zoll.com:443/es | es-ES |
| https://www.zoll.com:443/zh | zh-CN |
| https://www.zoll.com:443/en-CA | en-CA |
| https://www.zoll.com:443/nl | nl-NL |
| https://www.zoll.com:443/au | en-AU |
| https://www.zoll.com:443/uk | en-GB |
| https://www.zoll.com:443/ca | fr-CA |
| https://www.zoll.com:443/fr | fr-FR |
| https://www.zoll.com:443/de | de-DE |
| https://www.zoll.com:443/it | it-IT |
| https://www.zoll.com:443/ru | ru-RU |
| https://www.zoll.com:443/ | en |
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, initial-scale=1, shrink-to-fit=no |
ⓘ The owner has associated the following topics to the website.
ⓘ The results of our semantic analysis are shown below using the website's language.
They are the main concepts covered by zoll.com.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
| Topics | |
Heinrich Zollinger Confidence: 63% 
|
❌ zoll.com website speed is slow. 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 1.7 seconds.
zoll.com is faster than approximately 51 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 #234.496 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
| Country | Rank |
 United States of America |
#93.053 |
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 |
| Resuscitation and acute critical care solutions |
| 2nd level heading |
| Auxiliary navigation |
| Main navigation |
| Featured |
| Promotions |
| Learn more |
| News and events |
| Site map |
| 3rd level heading |
| Accurate code documentation with robust data analytics (2) |
| ımportant information from the fda for defibrillator users (2) |
| ıntroducing the z vent™ — ventilation simplified™ |
| Helping keep everyone safe at school |
| Made for resuscitation on the move™ |
| Zoll acquires cardiac science |
| Lifevest wearable defibrillator |
| Honoring heroes & survivors |
| Products |
| Markets |
| Service & support |
| About us |
| Follow us |
We found 14 images on this website.
3
ALT attributes are missing on your image tags. The issue affects 2 actual different images that could be loaded more than once in your page.
| Image | Image URL | Occurrences |
| https://dc.ads.linkedin.com/collect/?pid=559122&fmt=gif | 1 | |
| https://bat.bing.com/action/0?ti=11004467&Ver=2&mid=8ad08420-f340-8010-3147-52f27ea0aadb&pi=0&lg=en-... | 1 |
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 3 images on zoll.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.
| ⓘ Domain Registrar | NETWORK SOLUTIONS, LLC |
| ⓘ Registration Date | 01/19/1995 29 years, 9 months, 21 days ago |
| ⓘ Last Modified | 10/05/2019 5 years, 1 month, 1 day ago |
| ⓘ Expiration Date | 01/20/2021 Expired |
Others (38.9%)
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.