3.7 sec in total
212 ms
3.1 sec
381 ms
Welcome to carbolite.us homepage info - get ready to check Carbolite best content right away, or after learning these important things about carbolite.us
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Visit carbolite.usWe analyzed Carbolite.us page load time and found that the first response time was 212 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
carbolite.us performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value5.1 s
25/100
25%
Value5.4 s
56/100
10%
Value380 ms
70/100
30%
Value0.219
57/100
15%
Value4.9 s
77/100
10%
212 ms
338 ms
355 ms
261 ms
102 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Carbolite.us, 73% (33 requests) were made to Carbolite-gero.com and 20% (9 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (881 ms) relates to the external source Carbolite-gero.com.
Page size can be reduced by 312.9 kB (22%)
1.4 MB
1.1 MB
In fact, the total size of Carbolite.us main page is 1.4 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. 40% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 16.7 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 16.7 kB or 78% of the original size.
Potential reduce by 67.4 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. Carbolite images are well optimized though.
Potential reduce by 112.9 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 112.9 kB or 62% of the original size.
Potential reduce by 116.0 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. Carbolite.us needs all CSS files to be minified and compressed as it can save up to 116.0 kB or 89% of the original size.
Number of requests can be reduced by 8 (20%)
40
32
The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carbolite. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
carbolite.us
212 ms
www.carbolite.us
338 ms
www.carbolite.com
355 ms
carbolite-gero.com
261 ms
home
102 ms
web-2015_site_carbolite.css
198 ms
web-2015_carbolite.js
386 ms
body.jpg
298 ms
slider-start-laboratory-vaccum-furnace.jpg
383 ms
slider-start-competition_en.jpg
469 ms
slider-start-coal-ash-fusibility-furnace.jpg
561 ms
slider-start-bridgman-crystal-growth.jpg
470 ms
slider-start-laboratory-furnace-htr.jpg
614 ms
home_companies-placeholder.png
394 ms
business-area-ovens.jpg
478 ms
business-area-chamber-furnaces.jpg
494 ms
business-area-tube-furnaces.jpg
561 ms
business-area-vacuum-furnaces.jpg
563 ms
business-area-application-specific-furnaces.jpg
573 ms
business-area-custom-furnaces.jpg
590 ms
news-competition.jpg
652 ms
news-PDS.jpg
653 ms
news-HTRH-H2.jpg
655 ms
news-sample41_10.jpg
668 ms
footer-vs.png
688 ms
dc.js
98 ms
logo-1x.png
608 ms
header-1x.jpg
645 ms
search-1x.png
646 ms
white-1x.png
648 ms
home-1x.png
662 ms
home_companies.png
881 ms
toc-list-bullet-1x.png
702 ms
prev-1x.png
738 ms
next-1x.png
738 ms
toplink.png
739 ms
ajax-loader.gif
757 ms
__utm.gif
60 ms
__utm.gif
16 ms
__utm.gif
21 ms
__utm.gif
21 ms
__utm.gif
22 ms
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23 ms
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20 ms
__utm.gif
23 ms
carbolite.us accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
<frame> or <iframe> elements do not have a title
carbolite.us best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
carbolite.us 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Carbolite.us 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 Carbolite.us 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.
carbolite.us
Open Graph description is not detected on the main page of Carbolite. 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: