5.4 sec in total
411 ms
2.8 sec
2.2 sec
Click here to check amazing Hz ELK content. Otherwise, check out these important facts you probably never knew about hzelk.com
Hangzhou ELK Refrigerant High-Tech Co.,Ltd: ELK is professional manufacturer of brazing gas MAPP GAS, MAP PRO GAS, PROPANE GAS, refrigerant gas R134A, R404A, R407C, R410A, R417A, etc.
Visit hzelk.comWe analyzed Hzelk.com page load time and found that the first response time was 411 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
hzelk.com performance score
name
value
score
weighting
Value2.7 s
61/100
10%
Value4.4 s
39/100
25%
Value5.2 s
59/100
10%
Value890 ms
32/100
30%
Value1.129
1/100
15%
Value5.0 s
76/100
10%
411 ms
645 ms
127 ms
273 ms
212 ms
Our browser made a total of 70 requests to load all elements on the main page. We found that all of those requests were addressed to Hzelk.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Hzelk.com.
Page size can be reduced by 59.4 kB (3%)
1.7 MB
1.7 MB
In fact, the total size of Hzelk.com main page is 1.7 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 1.6 MB which makes up the majority of the site volume.
Potential reduce by 22.7 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 22.7 kB or 77% of the original size.
Potential reduce by 27.7 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. Hz ELK images are well optimized though.
Potential reduce by 6.7 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 6.7 kB or 15% of the original size.
Potential reduce by 2.3 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. Hzelk.com needs all CSS files to be minified and compressed as it can save up to 2.3 kB or 23% of the original size.
Number of requests can be reduced by 30 (44%)
68
38
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Hz ELK. 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 as a result speed up the page load time.
hzelk.com
411 ms
www.hzelk.com
645 ms
style.css
127 ms
jquery.js
273 ms
Site_Common.js
212 ms
flash.js
221 ms
honet_xl.js
220 ms
js183.js
220 ms
float30914.js
227 ms
topLine_03.jpg
138 ms
facebook_03.png
150 ms
fTwo_05.png
135 ms
youtube2.jpg
136 ms
fFour_09.png
136 ms
fFive_11.png
151 ms
fSix_13.png
246 ms
amore.png
152 ms
vn.png
153 ms
fr.png
247 ms
pt.png
245 ms
ru.png
245 ms
de.png
247 ms
ar.png
248 ms
ja.png
250 ms
it.png
269 ms
ko.png
248 ms
tr.png
267 ms
es.png
278 ms
logo202011050922089033898.png
316 ms
ba202011050916426875417.jpg
966 ms
ba202011061731107046185.jpg
710 ms
ba202101131535218733946.jpg
928 ms
searchBtn_03.jpg
307 ms
probg.jpg
1030 ms
mapp-pro-gas-cylinder08552661903.jpg
422 ms
propane19024907677.jpg
531 ms
mapp-gas-cylinder02218096450.jpg
549 ms
map-pro-gas-cylinder20080071259.jpg
662 ms
propane-gas-cylinder23597739888.jpg
663 ms
mapp-pro-gas-cylinder-hand-torch-jh-1st10007674263.jpg
746 ms
mapp-gas-453g-for-brazing-welding-easy-to49108649260.jpg
770 ms
1.jpg
781 ms
2.jpg
816 ms
3.jpg
915 ms
4.jpg
731 ms
serbg.jpg
1102 ms
serviceLine_03.png
805 ms
s1.png
862 ms
s2.png
858 ms
s3.png
861 ms
s4.png
895 ms
s5.png
919 ms
s
955 ms
s6.png
839 ms
home-news.jpg
861 ms
konbg.jpg
941 ms
paiLine_03.jpg
907 ms
ce.jpg
908 ms
dot.jpg
929 ms
iso.jpg
933 ms
REACH.jpg
962 ms
sgs.jpg
965 ms
footBg_02.jpg
983 ms
erwei72130120201113.jpg
985 ms
online-service.png
948 ms
people.png
993 ms
phone.png
886 ms
online.png
778 ms
email.png
776 ms
zd_ctr.png
663 ms
hzelk.com accessibility score
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
Image elements do not have [alt] attributes
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
hzelk.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
General
Impact
Issue
Detected JavaScript libraries
hzelk.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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hzelk.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 Hzelk.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.
hzelk.com
Open Graph data is detected on the main page of Hz ELK. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: