✅ 7 criteria passed
❌ 4 criteria to solve
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SolverBook - online services for study
http://solverbook.com
Our site gathers more than 100 free services on math, physics, geometry and chemistry. Online calculators, lessons book and tasks solution examples.
http://solverbook.com
SolverBook - online services for study
Our site gathers more than 100 free services on math, physics, geometry and chemistry. Online calculators, lessons book and tasks...
No 301 redirects are in place to redirect traffic to your preferred domain. Pages that load successfully both with and without www. are treated as duplicate content! Not all versions of your page point to the same URL.
| URL | Resolved URL |
| http://solverbook.com | http://solverbook.com/ |
| https://solverbook.com | HTTP header error |
| http://www.solverbook.com | http://solverbook.com/ |
| https://www.solverbook.com | HTTP header error |
ⓘ The results of our semantic analysis are shown below using the website's language.
They are the main concepts covered by solverbook.com.
Each concept has a confidence score. The higher it is, the more important the topic is relative to the page.
| Topics | |
Physics Confidence: 75% 
|
|
Chemistry Confidence: 75%
|
|
Geometry Confidence: 73%
|
|
Mathematics Confidence: 65% 
|
|
|
Calculator Confidence: 61%
|
✅ solverbook.com website speed is fast. 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.
solverbook.com is faster than approximately 38 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 #18.940 by Alexa.
This rank is traffic based. The lower the rank is, the better the domain is ranked.
| Country | Rank |
 Russian Federation |
#980 |
 Azerbaijan |
#6.096 |
 Kazakhstan |
#1.149 |
 Uzbekistan |
#2.897 |
 Ukraine |
#3.429 |
 Belarus |
#1.338 |
Mobile Rendering
This website doesn't seem 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 |
| Online services for study |
| 2nd level heading |
| More information about solverbook.com |
We found 12 images on this website.
9
ALT attributes are missing on your image tags.
| Image | Image URL | Occurrences |
 |
/img/img_onlajn_kalkulyator.png | 1 |
 |
/img/img_spravochnik.png | 1 |
 |
/img/img_primery_reshenij.png | 1 |
 |
/img/calc2.png | 1 |
 |
/img/guide2.png | 1 |
 |
/img/fb.png | 1 |
 |
/img/tw.png | 1 |
 |
/img/g.png | 1 |
| //mc.yandex.ru/watch/25088939 | 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 9 images on solverbook.com. Check your website to make sure it's specified for each image on the page.
1 of which have the nofollow attribute, meaning that their destination should not be afforded any additional weight or ranking by search engines.
| Anchor | Type | URL |
 |
image | / |
| Online calculators | text | /online-calculators/ |
| Lessons book | text | /lessons-book/ |
| Home | text | / |
| Online calculators | text | http://solverbook.com/online-calculators/ |
| Lessons book | text | http://solverbook.com/lessons-book/ |
| About | text | http://solverbook.com/about/ |
| Contact Us | text | http://solverbook.com/contacts/ |
 |
image | /online-calculators/ |
| Read more | text | /online-calculators/ |
 |
image | /lessons-book/ |
| Read more | text | /lessons-books/ |
| info@solverbook.com | text | mailto:info@solverbook.com |
| About | text | /about/ |
| Contact Us | text | /contacts/ |
| Sitemap | text | /sitemap/ |
| Anchor | Type | URL |
| image, nofollow | https://metrika.yandex.ru/stat/?id=25088939&from=informer |
| ⓘ Domain Registrar | REGIONAL NETWORK INFORMATION CENTER, JSC DBA RU-CENTER |
| ⓘ Registration Date | 04/02/2014 10 years, 24 days ago |
| ⓘ Last Modified | 03/22/2019 5 years, 1 month, 6 days ago |
| ⓘ Expiration Date | 04/02/2020 Expired |
| Domain |
Others (15.5%)
SOCIAL MEDIA PRESENCE
It seems you have a very poor social media presence.
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