5.4 sec in total
1.2 sec
4.1 sec
124 ms
Welcome to chemtax.com homepage info - get ready to check Chemtax best content for Hong Kong right away, or after learning these important things about chemtax.com
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Visit chemtax.comWe analyzed Chemtax.com page load time and found that the first response time was 1.2 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
chemtax.com performance score
name
value
score
weighting
Value3.0 s
48/100
10%
Value4.5 s
37/100
25%
Value6.3 s
41/100
10%
Value180 ms
91/100
30%
Value0.002
100/100
15%
Value5.5 s
71/100
10%
1196 ms
30 ms
1685 ms
946 ms
942 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 48% of them (15 requests) were addressed to the original Chemtax.com, 29% (9 requests) were made to Google.com and 13% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Chemtax.com.
Page size can be reduced by 227.6 kB (29%)
778.4 kB
550.8 kB
In fact, the total size of Chemtax.com main page is 778.4 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 617.1 kB which makes up the majority of the site volume.
Potential reduce by 19.6 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. This page needs HTML code to be minified as it can gain 2.5 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 19.6 kB or 84% of the original size.
Potential reduce by 125.4 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. Obviously, Chemtax needs image optimization as it can save up to 125.4 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 71.0 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 71.0 kB or 57% of the original size.
Potential reduce by 11.6 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. Chemtax.com needs all CSS files to be minified and compressed as it can save up to 11.6 kB or 84% of the original size.
Number of requests can be reduced by 9 (32%)
28
19
The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemtax. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
chemtax.com
1196 ms
ga.js
30 ms
jquery.min.js
1685 ms
coin-slider.js
946 ms
style.css
942 ms
coin-slider-styles.css
479 ms
__utm.gif
13 ms
jsapi
16 ms
t13n
28 ms
brand
30 ms
t13n
120 ms
brand
138 ms
logo.gif
478 ms
slogan_tc2.gif
246 ms
border.png
516 ms
01.jpg
1219 ms
04.jpg
1439 ms
05.jpg
1669 ms
06.jpg
740 ms
02.jpg
1640 ms
03.jpg
1003 ms
fb.jpg
982 ms
13 ms
transliteration.css
3 ms
transliteration.I.js
8 ms
44 ms
__utm.gif
38 ms
google_custom_search_watermark.gif
63 ms
__utm.gif
50 ms
inputtools.js
8 ms
logoh.php
192 ms
chemtax.com accessibility score
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
Links do not have a discernible name
chemtax.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
chemtax.com SEO score
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
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemtax.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 Chemtax.com main page’s claimed encoding is gb2312. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
chemtax.com
Open Graph description is not detected on the main page of Chemtax. 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: