7.8 sec in total
1.2 sec
6.4 sec
157 ms
Welcome to npzoptics.com homepage info - get ready to check Npzoptics best content right away, or after learning these important things about npzoptics.com
Optical devices of Novosibirsk instrument-making plant. Professional consultation. The order in any point of the Earth. The Internet shop. Instant delivery. Optical sights, sights of night vision, dev...
Visit npzoptics.comWe analyzed Npzoptics.com page load time and found that the first response time was 1.2 sec and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
npzoptics.com performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value10.4 s
0/100
25%
Value5.2 s
61/100
10%
Value440 ms
63/100
30%
Value0.03
100/100
15%
Value9.1 s
33/100
10%
1230 ms
761 ms
450 ms
387 ms
763 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 64% of them (35 requests) were addressed to the original Npzoptics.com, 13% (7 requests) were made to Npzoptics.ru and 7% (4 requests) were made to Rf.revolvermaps.com. The less responsive or slowest element that took the longest time to load (4.6 sec) relates to the external source Npzoptics.ru.
Page size can be reduced by 168.4 kB (21%)
805.3 kB
636.9 kB
In fact, the total size of Npzoptics.com main page is 805.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 592.3 kB which makes up the majority of the site volume.
Potential reduce by 18.3 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 7.5 kB, which is 33% 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 18.3 kB or 80% of the original size.
Potential reduce by 21.6 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. Npzoptics images are well optimized though.
Potential reduce by 85.7 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 85.7 kB or 61% of the original size.
Potential reduce by 42.8 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. Npzoptics.com needs all CSS files to be minified and compressed as it can save up to 42.8 kB or 86% of the original size.
Number of requests can be reduced by 8 (16%)
50
42
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Npzoptics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
npzoptics.com
1230 ms
common-test.css
761 ms
jquery-1.8.3.min.js
450 ms
spelling_ru.js
387 ms
common.js
763 ms
flash_g.js
383 ms
flash_e.js
384 ms
swfobject.js
764 ms
moveobj.js
628 ms
modernizr.custom.26633.js
3038 ms
jquery.min.js
5 ms
jquery.gridrotator.js
3229 ms
p.js
339 ms
watch.js
1 ms
menu-shadow.png
4565 ms
bg-page-line.gif
2475 ms
searcht0.gif
2476 ms
searcht1.gif
2476 ms
loading.gif
2853 ms
header-bg.jpg
393 ms
flag_ru.jpg
192 ms
flag_en.jpg
199 ms
search.gif
198 ms
shvabe_logo.gif
381 ms
logo-npz-ru.png
382 ms
menu_bg.gif
383 ms
homeblock.jpg
963 ms
pn19k-5.png
388 ms
pt2.png
570 ms
ldm-2vk.png
762 ms
pn21k.png
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cln-2k.png
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pnn14m.png
779 ms
pn19k-1.png
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imcl200x75.png
769 ms
pn19k-3.png
950 ms
pn22k.png
1333 ms
pt3.png
1147 ms
pn14k.png
959 ms
po2-8x18.png
1168 ms
tal-200k.png
1140 ms
po1x20pm2.png
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psu.png
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26 ms
hit
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c.php
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f.php
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r.php
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0.jpg
206 ms
hit
129 ms
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128 ms
npzoptics.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
npzoptics.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
npzoptics.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 Npzoptics.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 Npzoptics.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.
npzoptics.com
Open Graph description is not detected on the main page of Npzoptics. 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: