27.1 sec in total
226 ms
23.7 sec
3.1 sec
Click here to check amazing Dervos Valve content for Norway. Otherwise, check out these important facts you probably never knew about dervosvalve.com
Dervos Valve: China valve manufacturer, supplier, exporter of industrial valve, ball, butterfly, gate, globe, check, plug valve, steel pipe & fitting.
Visit dervosvalve.comWe analyzed Dervosvalve.com page load time and found that the first response time was 226 ms and then it took 26.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
dervosvalve.com performance score
name
value
score
weighting
Value3.4 s
38/100
10%
Value10.7 s
0/100
25%
Value6.5 s
39/100
10%
Value260 ms
83/100
30%
Value0.111
87/100
15%
Value11.4 s
19/100
10%
226 ms
316 ms
259 ms
277 ms
299 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 9% of them (7 requests) were addressed to the original Dervosvalve.com, 87% (65 requests) were made to Img.jeawincdn.com and 1% (1 request) were made to Cdn.staticfile.org. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source S11.cnzz.com.
Page size can be reduced by 212.1 kB (11%)
2.0 MB
1.8 MB
In fact, the total size of Dervosvalve.com main page is 2.0 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 50.6 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 9.0 kB, which is 15% 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 50.6 kB or 82% of the original size.
Potential reduce by 130.0 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. Dervos Valve images are well optimized though.
Potential reduce by 17.3 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. This website has mostly compressed JavaScripts.
Potential reduce by 14.3 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. Dervosvalve.com needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 15% of the original size.
Number of requests can be reduced by 46 (66%)
70
24
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dervos Valve. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
dervosvalve.com
226 ms
www.dervosvalve.com
316 ms
bootstrap.min.css
259 ms
style.css
277 ms
header-v9.css
299 ms
footer-default.css
300 ms
jquery.smartmenus.bootstrap.css
300 ms
animate.css
298 ms
line-icons.css
289 ms
font-awesome.min.css
300 ms
pace-flash.css
304 ms
owl.carousel.css
345 ms
cubeportfolio.min.css
310 ms
custom-cubeportfolio.css
315 ms
custom-hover-effects.css
307 ms
jquery.fancybox.css
303 ms
masterslider.css
316 ms
style.css
318 ms
custom.css
327 ms
email-decode.min.js
30 ms
jquery.min.js
327 ms
jquery-migrate.min.js
323 ms
bootstrap.min.js
321 ms
smoothScroll.js
325 ms
jquery.easing.min.js
324 ms
pace.min.js
326 ms
owl.carousel.min.js
326 ms
jquery.cubeportfolio.min.js
329 ms
jquery.fancybox.pack.js
326 ms
masterslider.min.js
328 ms
jquery.backstretch.min.js
331 ms
one.app.js
329 ms
form.js
335 ms
lazysizes.min.js
335 ms
jquery.elevatezoom.min.js
904 ms
dervos-valve-logo.png
333 ms
blank.gif
333 ms
dervos-valve-logo.png
331 ms
dervos-about-us-1.jpg
984 ms
dervos-about-us-2.jpg
959 ms
jquery.smartmenus.js
99 ms
jquery.smartmenus.bootstrap.js
65 ms
pace-loader.js
65 ms
owl-carousel2.js
65 ms
promo.js
66 ms
cube-portfolio-lightbox.js
62 ms
fancy-box.js
61 ms
hover.css
56 ms
linkedin.png
77 ms
facebook.png
74 ms
twitter.png
74 ms
youtube.png
75 ms
stat.php
19960 ms
fontawesome-webfont.woff
30 ms
Simple-Line-Icons.woff
14 ms
stat
2033 ms
loading-2.gif
34 ms
light-skin-1.png
9 ms
dbb-valve-a.jpg
707 ms
f304-ball-valve-cl600-lever-operation-sw.jpg
357 ms
din-3352-gate-valve-pn16-dn400-gs-c25.jpg
186 ms
a105-trunnion-mounted-ball-valve-12-inch-600-lb.jpg
12 ms
wcb-gate-valve-api-600-16-inch-class-600-rf-gearbox-operation.JPG
32 ms
din-3356-globe-valve-raised-face-dn200-pn40.jpg
264 ms
api-594-wafer-type-check-valve-wcb-body-10-inch-class-150-lb.jpg
5 ms
wcb-swing-type-check-valve-bs-1868-api-6d-8-inch-1500-lb-rf.JPG
720 ms
gs-c25-globe-valve-1-inch-pn40-flanged.jpg
271 ms
big-size-valve-series-one-a.jpg
735 ms
forged-valve-a.jpg
828 ms
ui-dialog.css
48 ms
jquery.min.js
120 ms
dialog.js
112 ms
xfloat.js
112 ms
popup.js
81 ms
dialog-config.js
81 ms
dervosvalve.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
<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.
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
dervosvalve.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
Page has valid source maps
dervosvalve.com SEO score
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 Dervosvalve.com 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 Dervosvalve.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.
dervosvalve.com
Open Graph description is not detected on the main page of Dervos Valve. 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: