3.3 sec in total
357 ms
2.6 sec
300 ms
Click here to check amazing DENISCO content. Otherwise, check out these important facts you probably never knew about denisco.com
Denisco is a custom synthesis company dedicated to manufacture & export fine chemicals in the pharmaceutical, perfumery, electronic and other allied industries. It specializes in Acetals, Acetylenes, ...
Visit denisco.comWe analyzed Denisco.com page load time and found that the first response time was 357 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
denisco.com performance score
name
value
score
weighting
Value2.1 s
82/100
10%
Value5.7 s
16/100
25%
Value3.5 s
88/100
10%
Value50 ms
100/100
30%
Value0.174
69/100
15%
Value4.9 s
78/100
10%
357 ms
136 ms
143 ms
117 ms
193 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 95% of them (56 requests) were addressed to the original Denisco.com, 3% (2 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 (659 ms) belongs to the original domain Denisco.com.
Page size can be reduced by 363.6 kB (24%)
1.5 MB
1.1 MB
In fact, the total size of Denisco.com main page is 1.5 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. 40% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 20.8 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 20.8 kB or 80% of the original size.
Potential reduce by 193.1 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, DENISCO needs image optimization as it can save up to 193.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 132.2 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 132.2 kB or 61% of the original size.
Potential reduce by 17.6 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. Denisco.com needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 84% of the original size.
Number of requests can be reduced by 16 (28%)
58
42
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DENISCO. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
denisco.com
357 ms
default.css
136 ms
banner_default.css
143 ms
banner_nivo-slider.css
117 ms
banner_style.css
193 ms
jquery.min.js
9 ms
jquery-1.5.min.js
239 ms
bannerjquery-1.6.1.min.js
256 ms
bannerjquery.nivo.slider.pack.js
259 ms
jquery.tinycarousel.min.js
458 ms
simple.carousel.js
302 ms
ga.js
55 ms
bg.png
158 ms
logo.png
97 ms
home_icon.png
95 ms
go_button.png
94 ms
menu_hover.png
122 ms
dropshadow_image.png
113 ms
banner1_new.jpg
304 ms
banner1.jpg
297 ms
banner2.jpg
321 ms
banner3.jpg
345 ms
banner5_new.jpg
288 ms
box_bg.png
356 ms
image_01.gif
393 ms
right_menu_bg.jpg
423 ms
6-chloro.png
409 ms
8-fluoro.png
412 ms
2-chloro.png
430 ms
n-boc.png
438 ms
3-methyl.png
485 ms
isobutylboronic.png
495 ms
ethyl.png
477 ms
4-bromo.png
504 ms
pyrrole.png
512 ms
p-anisaldehyde.png
516 ms
4-fluorophenyl.png
570 ms
2-nonylbenz.png
571 ms
5-aminoiso.png
580 ms
6-bromo.png
587 ms
ethyl-7-bromo.png
588 ms
4-chloro-6-7.png
595 ms
5-formylfuran.png
636 ms
tris.png
659 ms
3-aminophenyl.png
649 ms
5-chloro.png
659 ms
trimethyloxo.png
648 ms
__utm.gif
11 ms
4-2-bromoa.png
593 ms
enquiry_icon.png
630 ms
download_icon.png
630 ms
pdf.png
638 ms
pro_bul.png
618 ms
line_separator.gif
623 ms
buttons.png
483 ms
d26f552715886dfc6e99bbbe7713627483930fd4.gif
494 ms
3cb1f23418d4f67fa1024ba4d44b163523846521.gif
495 ms
arrows.png
85 ms
bullets.png
76 ms
denisco.com 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.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
denisco.com 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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
denisco.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Denisco.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Denisco.com 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.
denisco.com
Open Graph description is not detected on the main page of DENISCO. 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: