10.6 sec in total
740 ms
9.2 sec
661 ms
Visit opkroller.com now to see the best up-to-date OPK Roller content and also check out these interesting facts you probably never knew about opkroller.com
As the leading enterprise in pulleys and hardware fittings industries, we clearly regard innovation as our prime base and motivation.
Visit opkroller.comWe analyzed Opkroller.com page load time and found that the first response time was 740 ms and then it took 9.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
opkroller.com performance score
name
value
score
weighting
Value9.2 s
0/100
10%
Value15.7 s
0/100
25%
Value17.2 s
0/100
10%
Value280 ms
80/100
30%
Value0.075
95/100
15%
Value12.5 s
14/100
10%
740 ms
1898 ms
55 ms
789 ms
1258 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 5% of them (3 requests) were addressed to the original Opkroller.com, 77% (47 requests) were made to Cdn1.npcdn.net and 5% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (4 sec) relates to the external source Cdn1.npcdn.net.
Page size can be reduced by 77.8 kB (4%)
2.2 MB
2.1 MB
In fact, the total size of Opkroller.com main page is 2.2 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. 50% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.
Potential reduce by 42.7 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 42.7 kB or 76% of the original size.
Potential reduce by 28.6 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. OPK Roller images are well optimized though.
Potential reduce by 955 B
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 5.4 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. Opkroller.com has all CSS files already compressed.
Number of requests can be reduced by 33 (57%)
58
25
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPK Roller. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
opkroller.com
740 ms
www.opkroller.com
1898 ms
font-awesome.css
55 ms
style.css
789 ms
general_v1.css
1258 ms
color_style.css
899 ms
gumby.css
59 ms
sweetalert2.min.css
56 ms
style.css
1016 ms
banner.css
833 ms
jquery.min.js
50 ms
jquery-migrate-3.0.0.min.js
41 ms
jquery-ui.css
57 ms
jquery-ui.theme.min.css
66 ms
jquery.fancybox.js
81 ms
jquery.fancybox.css
92 ms
slick.css
104 ms
slick-theme.css
113 ms
slick.min.js
124 ms
jquery.qrcode-0.12.0.min.js
133 ms
validate.min.js
247 ms
janimate.js
258 ms
janimate.css
267 ms
owl.carousel.min.css
275 ms
owl.theme.newpages.css
284 ms
owl.carousel.js
296 ms
jquery.colourbrightness.min.js
311 ms
animate.css
322 ms
sweetalert2.min.js
334 ms
js
112 ms
jquery-ui.min.js
60 ms
jquery.matchHeight-min.js
345 ms
jquery.dotdotdot.min.js
355 ms
css2
28 ms
css
14 ms
bg.jpg
975 ms
fbicon.png
941 ms
whatsapp-icon.png
936 ms
mainlogo.png
939 ms
np_21143_1619770331.png
1057 ms
1619768497_1986405e39c5a79665af1746738c1f46_en.jpg
2677 ms
banner1-title_new.png
1185 ms
1619768502_1986405e39c5a79665af1746738c1f46_en.jpg
2579 ms
banner2-title_new.png
1902 ms
1619768508_1986405e39c5a79665af1746738c1f46_en.jpg
2742 ms
banner3-title_new.png
1307 ms
pr1.png
1945 ms
pr2.png
2039 ms
pr3.png
3602 ms
middle-banner_title_new.png
2700 ms
arrow.png
2767 ms
product-catalogue_bg.jpg
3301 ms
white-logo.jpeg
3638 ms
fbevents.js
153 ms
xfbml.customerchat.js
227 ms
opk-middle-banner.jpg
3334 ms
font
184 ms
fontawesome-webfont.woff
4037 ms
www.opkroller.com
879 ms
arrows.png
2480 ms
47 ms
opkroller.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
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.
opkroller.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
Browser errors were logged to the console
Page has valid source maps
opkroller.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
EN
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opkroller.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 Opkroller.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.
opkroller.com
Open Graph data is detected on the main page of OPK Roller. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: