Archived
89/100
Average SEO score of top 100 sites: 75%
This website received an SEO score of 89 out of 100, which is higher than the average score of 75. Our analysis has identified 8 important issues that can be addressed to further enhance your website's performance and improve its search engine visibility.
8 Failed
4 Warnings
59 Passed
Common SEO issues
Score: 89
Failed: 2
Warnings: 2
Passed: 21
Meta Title Test100% of top 100 sites passed
- This webpage is using a title tag.
Meta Description Test97% of top 100 sites passed
- This webpage is using a meta description tag with a length of 128 characters. We recommend using well-written and inviting meta descriptions with a length between 150 and 220 characters (spaces included).
Google Search Results Preview Test
Desktop version
https://www.viessmann.it/Riscaldamento, Climatizzazione e Fotovoltaico | Viessmann ITViessmann produce innovativi sistemi di riscaldamento e climatizzazione per applicazioni residenziali, industriali e commerciali
Mobile versionhttps://www.viessmann.it/Riscaldamento, Climatizzazione e Fotovoltaico | Viessmann ITViessmann produce innovativi sistemi di riscaldamento e climatizzazione per applicazioni residenziali, industriali e commerciali
Most Common Keywords Test
- There is likely no optimal keyword density (search engine algorithms have evolved beyond keyword density metrics as a significant ranking factor). It can be useful, however, to note which keywords appear most often on your page and if they reflect the intended topic of your page. More importantly, the keywords on your page should appear within natural sounding and grammatically correct copy.
Keywords Usage Test81% of top 100 sites passed
- The most common keywords of this webpage are distributed well across the important HTML tags. This helps search engines to properly identify the topic of this webpage.
Keyword
Title tag
Meta description
Headings
viessmann
prodotti
scopri
energetica
riscaldamento
Keywords Cloud Test
Competitor Domains Test
Understand your competitors' SEO and backlink profile
Get related competitors and their domain authority score in relation to your domain.
Robots.txt Test94% of top 100 sites passed
- This website is using a robots.txt file.
Sitemap Test75% of top 100 sites passed
- This website has a sitemap file.
SEO Friendly URL Test40% of top 100 sites passed
- All links from this webpage are SEO friendly.
Image Alt Test71% of top 100 sites passed
- All "img" tags from this webpage have the required "alt" attribute.
Responsive Image Test38% of top 100 sites passed
- All images in this webpage are properly sized for different users' viewports.
Image Aspect Ratio Test72% of top 100 sites passed
- All image display dimensions match the natural aspect ratio.
Inline CSS Test2% of top 100 sites passed
- This webpage is using inline CSS styles!
Google Analytics Test69% of top 100 sites passed
- This webpage is using Google Analytics.
Favicon Test100% of top 100 sites passed
- This website appears to have a favicon.
Backlinks Test
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JS Error Test74% of top 100 sites passed
- We've found JavaScript errors on this webpage!
Console Errors Test33% of top 100 sites passed
- This webpage has some warnings caught by the Chrome DevTools Console!
Charset Declaration Test100% of top 100 sites passed
- This webpage has a character encoding declaration.
Speed optimizations
Score: 91
Failed: 3
Warnings: 1
Passed: 19
HTML Page Size Test34% of top 100 sites passed
- The size of this webpage's HTML is 21.21 Kb and is under the average webpage's HTML size of 33 Kb. Faster loading websites result in a better user experience, higher conversion rates, and generally better search engine rankings.
DOM Size Test17% of top 100 sites passed
- The Document Object Model (DOM) of this webpage has 5,651 nodes which is greater than the recommended value of 1,500 nodes! A large DOM size negatively affects site performance and increases the page load time.
HTML Compression/GZIP Test96% of top 100 sites passed
- This webpage is successfully compressed using gzip compression on your code. The HTML code is compressed from 177.96 Kb to 21.21 Kb (88% size savings). This helps ensure a faster loading webpage and improved user experience.
Site Loading Speed Test68% of top 100 sites passed
- The loading time of this webpage (measured from N. Virginia, US) is around 2.08 seconds and this is under the average loading speed which is 5 seconds.
Accurate loading speed and website loading speed monitor
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JS Execution Time Test79% of top 100 sites passed
- The JavaScript code used by this webpage is executed in less than 2 seconds.
Page Objects Test
- This webpage is using more than 20 http requests, which can slow down page loading and negatively impact user experience!
Page Cache Test (Server Side Caching)100% of top 100 sites passed
- This webpage is using a caching mechanism. Caching helps speed page loading times as well as reduces server load.
Flash Test100% of top 100 sites passed
- This webpage does not include flash objects (an outdated technology that was sometimes used to deliver rich multimedia content). Flash content does not work well on mobile devices, and is difficult for crawlers to interpret.
CDN Usage Test96% of top 100 sites passed
- This webpage is not serving all resources (images, javascript and css) from CDNs!
Modern Image Format Test32% of top 100 sites passed
- This webpage is using images in a modern format.
Image Metadata Test
- This webpage is using images with large metadata (more than 16% of the image size)! Stripping out unnecessary metadata tags can improve not only the loading time but also the security and privacy of a webpage.
Image Caching Test99% of top 100 sites passed
- This website is using cache headers for images and the browsers will display these images from the cache.
JavaScript Caching Test98% of top 100 sites passed
- This webpage is using cache headers for all JavaScript resources.
CSS Caching Test98% of top 100 sites passed
- This webpage is using cache headers for all CSS resources.
JavaScript Minification Test93% of top 100 sites passed
- All JavaScript files used by this webpage are minified.
CSS Minification Test97% of top 100 sites passed
- All CSS resources used by this webpage are minified.
Render Blocking Resources Test29% of top 100 sites passed
- This webpage is not using render-blocking resources.
Nested Tables Test99% of top 100 sites passed
- This webpage is not using nested tables. This speeds up page loading time and optimizes the user experience.
Frameset Test100% of top 100 sites passed
- This webpage does not use frames.
Doctype Test100% of top 100 sites passed
- This webpage has a doctype declaration.
URL Redirects Test96% of top 100 sites passed
- This URL doesn't have any redirects (which could potentially cause site indexation issues and site loading delays).
Largest Contentful Paint Test
- The Largest Contentful Paint duration of this webpage is 0.93 seconds. To provide a good user experience, sites should strive to have Largest Contentful Paint of 2.5 seconds or less.
0.93 s
2.5 s
4 s
Cumulative Layout Shift Test
- The CLS score of this webpage is 0.0. To provide a good user experience, sites should strive to have a CLS score of 0.1 or less.
0
0.1
0.25
Server and security
Score: 93
Failed: 1
Warnings: 0
Passed: 9
URL Canonicalization Test92% of top 100 sites passed
- https://www.viessmann.it/ and https://viessmann.it/ resolve to the same URL.
SSL Checker and HTTPS Test100% of top 100 sites passed
- This website is successfully using HTTPS, a secure communication protocol over the Internet.
Mixed Content Test (HTTP over HTTPS)100% of top 100 sites passed
- This webpage does not use mixed content - both the initial HTML and all other resources are loaded over HTTPS.
HTTP2 Test92% of top 100 sites passed
- This webpage is using the HTTP/2 protocol.
HSTS Test
- This webpage is using the Strict-Transport-Security header.
Safe Browsing Test100% of top 100 sites passed
- This website is not currently listed as suspicious (no malware or phishing activity found).
Server Signature Test88% of top 100 sites passed
- The server signature is off for this webpage.
Directory Browsing Test100% of top 100 sites passed
- Directory browsing is disabled for this website.
Plaintext Emails Test93% of top 100 sites passed
- This webpage does not include email addresses in plaintext.
Unsafe Cross-Origin Links Test59% of top 100 sites passed
- This webpage is using target="_blank" links without rel="noopener" or rel="noreferrer" attribute, which can expose it to performance and security issues!
Mobile usability
Score: 100
Failed: 0
Warnings: 0
Passed: 3
Meta Viewport Test94% of top 100 sites passed
- This webpage is using a viewport meta tag.
Media Query Responsive Test99% of top 100 sites passed
- This webpage is using CSS media queries, which is the base for responsive design functionalities.
Mobile Snapshot Test
Advanced SEO
Score: 67
Failed: 2
Warnings: 1
Passed: 7
Structured Data Test59% of top 100 sites passed
- This webpage is using structured data.
Custom 404 Error Page Test75% of top 100 sites passed
- This website is not using a custom 404 error page! Default 404 error pages result in a poor experience - it can mislead users into thinking an entire site is down or broken, greatly increases the chance they leave the website entirely, and looks unprofessional. We recommend to have a custom 404 error page in order to improve the website's user experience by letting users know that only a specific page is missing/broken (and not the entire site), providing them helpful links, the opportunity to report bugs, and potentially track the source of broken links.
Meta Refresh Test95% of top 100 sites passed
- This webpage is not using a meta refresh tag.
SPF Records Test94% of top 100 sites passed
- This DNS server is using an SPF record.
Ads.txt Validation Test80% of top 100 sites passed
- This website doesn't use an ads.txt file! Ads.txt is a text file that contains a list of Authorized Digital Sellers. The purpose of ads.txt files is to give advertisers and advertising networks the ability to verify who is allowed to sell advertising on your website.
Spell Check Test
Check your webpage for misspellings!
Finding and fixing misspellings on your webpage will help both user experience and search engine rankings.
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