1.3 sec in total
40 ms
1.1 sec
222 ms
Visit vdo-instruments.com now to see the best up-to-date VDO Instruments content for United States and also check out these interesting facts you probably never knew about vdo-instruments.com
Visit vdo-instruments.comWe analyzed Vdo-instruments.com page load time and found that the first response time was 40 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
vdo-instruments.com performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value7.4 s
4/100
25%
Value8.5 s
18/100
10%
Value200 ms
90/100
30%
Value0
100/100
15%
Value9.5 s
30/100
10%
40 ms
515 ms
22 ms
18 ms
33 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 88% of them (36 requests) were addressed to the original Vdo-instruments.com, 5% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to V2.zopim.com. The less responsive or slowest element that took the longest time to load (515 ms) belongs to the original domain Vdo-instruments.com.
Page size can be reduced by 733.4 kB (73%)
1.0 MB
273.7 kB
In fact, the total size of Vdo-instruments.com main page is 1.0 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. 70% of websites need less resources to load. Javascripts take 686.9 kB which makes up the majority of the site volume.
Potential reduce by 112.5 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 112.5 kB or 89% of the original size.
Potential reduce by 2.8 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. VDO Instruments images are well optimized though.
Potential reduce by 539.8 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 539.8 kB or 79% of the original size.
Potential reduce by 78.3 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. Vdo-instruments.com needs all CSS files to be minified and compressed as it can save up to 78.3 kB or 84% of the original size.
Number of requests can be reduced by 22 (59%)
37
15
The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VDO Instruments. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
vdo-instruments.com
40 ms
www.vdo-instruments.com
515 ms
styles.css
22 ms
widgets.css
18 ms
home.css
33 ms
prototype.js
36 ms
ccard.js
31 ms
validation.js
54 ms
builder.js
56 ms
effects.js
52 ms
dragdrop.js
64 ms
controls.js
64 ms
slider.js
64 ms
js.js
66 ms
form.js
67 ms
menu.js
68 ms
translate.js
69 ms
cookies.js
68 ms
jquery-1.6.2.js
70 ms
cycle.js
69 ms
mocha.js
98 ms
jquery-1.4.2.min.js
124 ms
banner3.css
124 ms
vdo-top-repeat.gif
143 ms
ga.js
141 ms
logo.gif
114 ms
bkg_pipe1.gif
111 ms
vdo_bg_left.gif
120 ms
bkg_nav_parent.gif
113 ms
soem-home_1.jpg
113 ms
fpb_vdo_camera_kits.jpg
118 ms
fpb_vdo_gps_speed_sender.jpg
119 ms
img_vdo-gauges_com.jpg
116 ms
vdo_dashboard_visual_39L.jpg
119 ms
search_button.gif
22 ms
vod-footer-bottom.gif
22 ms
widget_v2.135.js
42 ms
__utm.gif
135 ms
print.css
130 ms
collect
72 ms
ga-audiences
42 ms
vdo-instruments.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.
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA IDs are not unique
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
vdo-instruments.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
vdo-instruments.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vdo-instruments.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 Vdo-instruments.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.
vdo-instruments.com
Open Graph description is not detected on the main page of VDO Instruments. 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: