4.7 sec in total
830 ms
3.7 sec
248 ms
Click here to check amazing Gemmarum content for Sweden. Otherwise, check out these important facts you probably never knew about gemmarum.it
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Visit gemmarum.itWe analyzed Gemmarum.it page load time and found that the first response time was 830 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
gemmarum.it performance score
name
value
score
weighting
Value12.0 s
0/100
10%
Value12.7 s
0/100
25%
Value18.1 s
0/100
10%
Value300 ms
78/100
30%
Value0.18
67/100
15%
Value23.9 s
1/100
10%
830 ms
109 ms
210 ms
208 ms
210 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that 92% of them (44 requests) were addressed to the original Gemmarum.it, 6% (3 requests) were made to Google-analytics.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Gemmarum.it.
Page size can be reduced by 824.8 kB (33%)
2.5 MB
1.7 MB
In fact, the total size of Gemmarum.it main page is 2.5 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 39.4 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 39.4 kB or 79% of the original size.
Potential reduce by 530.5 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Gemmarum needs image optimization as it can save up to 530.5 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 119.9 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 119.9 kB or 54% of the original size.
Potential reduce by 135.0 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Gemmarum.it needs all CSS files to be minified and compressed as it can save up to 135.0 kB or 83% of the original size.
Number of requests can be reduced by 23 (49%)
47
24
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gemmarum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.
830 ms
bootstrap.css
109 ms
docs.css
210 ms
prettify.css
208 ms
bootstrap-extended.css
210 ms
template.css
213 ms
joomla.css
213 ms
bootstrap-responsive.css
214 ms
vmsite-ltr.css
312 ms
modal.css
310 ms
module_default.css
311 ms
template.css
318 ms
mootools-core.js
428 ms
core.js
316 ms
modal.js
413 ms
jquery.min.js
29 ms
jquerynoconflict.js
413 ms
vmsite.js
413 ms
slider.js
420 ms
acymailing_module.js
421 ms
jquery.cookie.js
528 ms
cookiecuttr.css
529 ms
bootstrap.min.js
528 ms
application.js
529 ms
prettify.js
548 ms
ga.js
39 ms
sfondo-header.jpg
108 ms
intestazione.jpg
423 ms
de.gif
115 ms
en.gif
116 ms
it.gif
125 ms
pgi-400x400_140x180.jpg
142 ms
backgrounds.png
212 ms
pinza-apri-griffe_140x180.jpg
230 ms
paj-carati-400x4005_140x180.jpg
1230 ms
lab-20-400x400_140x180.png
1265 ms
adamas-+-punta-bis-800x800_140x180.jpg
257 ms
paj-g-m-400x4005_140x180.jpg
329 ms
gemmological-instruments.jpg
332 ms
cutting-machines.jpg
364 ms
rough.jpg
435 ms
books.jpg
436 ms
courses.jpg
470 ms
pdf.png
523 ms
sede.png
1813 ms
fb.png
538 ms
__utm.gif
12 ms
__utm.gif
27 ms
gemmarum.it accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
gemmarum.it best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
gemmarum.it SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gemmarum.it can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Gemmarum.it main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
gemmarum.it
Open Graph description is not detected on the main page of Gemmarum. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: