1.8 sec in total
116 ms
1.4 sec
331 ms
Click here to check amazing Nivisys content. Otherwise, check out these important facts you probably never knew about nivisys.com
Night Vision Goggles, Night Vision Binoculars, Thermal Systems, Thermal Weapon Sights, Scopes, Lasers, Laser Systems, Night Vision Accessories. Patent Pending Accu-Zoom Technology. Manufacturer of nig...
Visit nivisys.comWe analyzed Nivisys.com page load time and found that the first response time was 116 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
nivisys.com performance score
name
value
score
weighting
Value5.6 s
6/100
10%
Value8.9 s
1/100
25%
Value5.6 s
54/100
10%
Value600 ms
49/100
30%
Value0.153
75/100
15%
Value6.4 s
60/100
10%
116 ms
31 ms
53 ms
57 ms
70 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 96% of them (44 requests) were addressed to the original Nivisys.com, 2% (1 request) were made to Fonts.googleapis.com and 2% (1 request) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (445 ms) belongs to the original domain Nivisys.com.
Page size can be reduced by 1.2 MB (43%)
2.7 MB
1.6 MB
In fact, the total size of Nivisys.com main page is 2.7 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. 70% of websites need less resources to load. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 21.8 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 4.3 kB, which is 16% 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 21.8 kB or 81% of the original size.
Potential reduce by 919.4 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, Nivisys needs image optimization as it can save up to 919.4 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 226.2 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 226.2 kB or 77% of the original size.
Potential reduce by 27.2 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. Nivisys.com needs all CSS files to be minified and compressed as it can save up to 27.2 kB or 83% of the original size.
Number of requests can be reduced by 6 (14%)
42
36
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nivisys. 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.
nivisys.com
116 ms
en
31 ms
53 ms
css
57 ms
prototype.js
70 ms
scriptaculous.js
68 ms
lightbox.js
214 ms
lightbox.css
224 ms
jquery-1.5.1.min.js
234 ms
jquery_orbit.js
228 ms
style.css
204 ms
effects.js
39 ms
builder.js
105 ms
background.jpg
169 ms
header-repeat-x.gif
164 ms
header.jpg
157 ms
nivisys-logo.png
157 ms
nav-repeat-x.gif
155 ms
magnifying_glass.png
178 ms
loading.gif
175 ms
MUM-14_slider.jpg
179 ms
mum14.png
306 ms
PVS-14_slider.jpg
180 ms
pvs-14-prod.png
298 ms
TACS-M_slider.jpg
274 ms
tacs-m-prod.png
362 ms
Phoenix_slider.jpg
309 ms
utac-m-prod.png
293 ms
Scorpion_slider.jpg
392 ms
taws-l-prod.png
340 ms
NVAG_slider.jpg
314 ms
nvag-prod.png
383 ms
slider-nav-bg.gif
364 ms
drop-shadow.png
389 ms
night-vision-systems_lg.gif
404 ms
index-products-div-large.gif
387 ms
thermal-systems_lg.gif
402 ms
laser-systems_lg.gif
445 ms
spare_parts_lg.gif
401 ms
accessories_lg.gif
422 ms
footer.jpg
432 ms
sam-2016-2017-sm.png
443 ms
loading.gif
128 ms
closelabel.gif
107 ms
bullets.jpg
91 ms
yMJMMIlzdpvBhQQL_SC3X9yhF25-T1nyGy6BoWg1.woff
46 ms
nivisys.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
nivisys.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
nivisys.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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nivisys.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 Nivisys.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.
nivisys.com
Open Graph description is not detected on the main page of Nivisys. 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: