14 sec in total
668 ms
13 sec
339 ms
Visit bosmaoptics.com now to see the best up-to-date BOSMA Optics content and also check out these interesting facts you probably never knew about bosmaoptics.com
BOSMA
Visit bosmaoptics.comWe analyzed Bosmaoptics.com page load time and found that the first response time was 668 ms and then it took 13.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
bosmaoptics.com performance score
name
value
score
weighting
Value3.3 s
41/100
10%
Value13.6 s
0/100
25%
Value8.6 s
17/100
10%
Value3,040 ms
2/100
30%
Value0.082
94/100
15%
Value6.6 s
58/100
10%
668 ms
1680 ms
323 ms
553 ms
1020 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 58% of them (30 requests) were addressed to the original Bosmaoptics.com, 42% (22 requests) were made to Www-x-bosmaoptics-x-com.img.abc188.com. The less responsive or slowest element that took the longest time to load (9.5 sec) belongs to the original domain Bosmaoptics.com.
Page size can be reduced by 375.6 kB (7%)
5.6 MB
5.2 MB
In fact, the total size of Bosmaoptics.com main page is 5.6 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. 45% of websites need less resources to load. Images take 5.5 MB which makes up the majority of the site volume.
Potential reduce by 11.2 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 2.0 kB, which is 14% 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 11.2 kB or 80% of the original size.
Potential reduce by 338.1 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. BOSMA Optics images are well optimized though.
Potential reduce by 24.8 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 24.8 kB or 38% of the original size.
Potential reduce by 1.4 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. Bosmaoptics.com needs all CSS files to be minified and compressed as it can save up to 1.4 kB or 31% of the original size.
We found no issues to fix!
30
30
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BOSMA Optics. According to our analytics all requests are already optimized.
bosmaoptics.com
668 ms
www.bosmaoptics.com
1680 ms
index2.css
323 ms
lunbo.css
553 ms
jquery.min.js
1020 ms
jscarousel.js
540 ms
jquery.flexslider-min.js
572 ms
search.jpg
236 ms
logo.png
235 ms
123.jpg
235 ms
2019523162217687.jpg
235 ms
201612217117510.jpg
462 ms
20169229497657.jpg
467 ms
201541713145193.jpg
468 ms
2014111420425786.jpg
466 ms
201711393250759.jpg
467 ms
2015122131347727.jpg
689 ms
201711393344583.jpg
694 ms
20141120105640412.jpg
695 ms
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694 ms
201551316830135.JPG
2908 ms
2015513155631107.jpg
915 ms
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919 ms
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2853 ms
20141125152240416.JPG
9107 ms
20141120105914758.JPG
9545 ms
skype.png
1141 ms
zuo.jpg
1145 ms
you.jpg
1368 ms
dot.png
1372 ms
loading.gif
1106 ms
123.jpg
1360 ms
2019523162217687.jpg
2665 ms
search.jpg
1070 ms
logo.png
827 ms
201612217117510.jpg
3310 ms
2019614155525155.jpg
2415 ms
20169229497657.jpg
1353 ms
2014111420425786.jpg
1860 ms
201541713145193.jpg
1878 ms
201711393250759.jpg
2123 ms
2015122131347727.jpg
2382 ms
201711394413216.jpg
3152 ms
201711393344583.jpg
3689 ms
20155131613543.jpg
4260 ms
20141120105640412.jpg
2972 ms
2015513155631107.jpg
2411 ms
20141120105019486.jpg
2670 ms
skype.png
2698 ms
zuo.jpg
2777 ms
you.jpg
2666 ms
dot.png
2716 ms
bosmaoptics.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.
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
bosmaoptics.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
Browser errors were logged to the console
bosmaoptics.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
EN
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Bosmaoptics.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 Bosmaoptics.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.
bosmaoptics.com
Open Graph description is not detected on the main page of BOSMA Optics. 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: