12.7 sec in total
669 ms
11.6 sec
429 ms
Visit glsun.com now to see the best up-to-date GLSUN content and also check out these interesting facts you probably never knew about glsun.com
GLSUN makes DFB LD chips & photodiode chips, high quality optical switches, mems variable optical attenuators, optical isolators, cwdm, dwdm, optical splitters, optical line protection and fiber monit...
Visit glsun.comWe analyzed Glsun.com page load time and found that the first response time was 669 ms and then it took 12.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
glsun.com performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value10.9 s
0/100
25%
Value10.4 s
8/100
10%
Value240 ms
85/100
30%
Value0
100/100
15%
Value10.0 s
27/100
10%
669 ms
650 ms
990 ms
218 ms
434 ms
Our browser made a total of 97 requests to load all elements on the main page. We found that 97% of them (94 requests) were addressed to the original Glsun.com, 2% (2 requests) were made to Googletagmanager.com and 1% (1 request) were made to Platform-api.sharethis.com. The less responsive or slowest element that took the longest time to load (7.9 sec) belongs to the original domain Glsun.com.
Page size can be reduced by 407.5 kB (6%)
6.3 MB
5.9 MB
In fact, the total size of Glsun.com main page is 6.3 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. 55% of websites need less resources to load. Images take 6.1 MB which makes up the majority of the site volume.
Potential reduce by 48.5 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. This page needs HTML code to be minified as it can gain 10.1 kB, which is 18% 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 48.5 kB or 84% of the original size.
Potential reduce by 277.2 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. GLSUN images are well optimized though.
Potential reduce by 74.4 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 74.4 kB or 66% of the original size.
Potential reduce by 7.4 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. Glsun.com needs all CSS files to be minified and compressed as it can save up to 7.4 kB or 42% of the original size.
Number of requests can be reduced by 13 (14%)
93
80
The browser has sent 93 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GLSUN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
glsun.com
669 ms
www.glsun.com
650 ms
www.glsun.com
990 ms
i1.css
218 ms
iconfont.css
434 ms
index.css
627 ms
j24.js
1068 ms
ss.2.1.3.js
648 ms
gonggong.js
650 ms
facility.js
649 ms
index.js
660 ms
sharethis.js
16 ms
txtScroller.js
832 ms
style.css
861 ms
pop.css
863 ms
plugin.js
863 ms
gtm.js
109 ms
en.png
263 ms
cart-full.png
266 ms
201907011103387087.jpg
479 ms
search.png
260 ms
Optical%20Line%20Protection.jpg
1120 ms
bosa1.jpg
1081 ms
Transceiver%20Modules.jpg
1539 ms
020f07e2d5028487d1bf345031834e75.jpg
1337 ms
945b97e8f556cb8d8a86e694f3c6e8c2.jpg
4013 ms
6149dceed8ae0af4ac0c1771d0c6cac4.jpg
2657 ms
f543ef8db636f367b08f3c97c8451ef0.jpg
1496 ms
79d6bfbe0b1e5c6016be5f3abc438509.jpg
1337 ms
player_btn.png
1552 ms
prev_btn.png
1820 ms
next_btn.png
3241 ms
mind-bg.jpg
5790 ms
icon-1.png
2459 ms
icon-2.png
3592 ms
icon-3.png
2944 ms
icon-4.png
2873 ms
train.png
3090 ms
glsun-olp-optical-line-protection.jpg
7929 ms
glsun-ots3000-mstp-transmission-equipment.jpg
3994 ms
glsun-ots3000-mstp-cable-monitoring-system.jpg
4482 ms
glsun-1xn-n%E2%89%A416-rack-optical-switch.jpg
4880 ms
glsun-mcs-8x16-multicast-switch-module.jpg
4212 ms
glsun-obp-optical-bypass-protection-system-module.jpg
4230 ms
glsun-cwdm-module-coarse-wavelength-division-multiplexer.jpg
4429 ms
sfp%2010g%20sr.jpg
4451 ms
glsun-1x1-optical-switch.jpg
4861 ms
bosa-3.jpg
4672 ms
glsun-free-space-isolator.jpg
4896 ms
glsun-cwdm-device-coarse-wavelength-division-multiplexer.jpg
5111 ms
glsun-2.5g-dfb-laser-diode-chip.jpg
5294 ms
glsun-pin-photodiode-chip.jpg
5953 ms
glsun-25g-dfb-tocan.jpg
5484 ms
js
72 ms
Transmission.jpg
5959 ms
Monnitoring.jpg
6120 ms
Protection.jpg
6299 ms
1.png
6164 ms
2.png
5096 ms
3.png
5274 ms
4.png
5103 ms
5.png
5261 ms
6.png
5113 ms
7.png
5119 ms
8.png
5218 ms
9.png
4994 ms
10.png
4364 ms
11.png
4198 ms
12.png
4005 ms
4.jpg
4035 ms
5.jpg
3940 ms
2.jpg
4015 ms
3.jpg
3901 ms
6.jpg
3104 ms
7.jpg
3177 ms
9.jpg
3034 ms
10.jpg
3090 ms
credential-list.png
3172 ms
contactus-logo.png
3012 ms
Linkedin.png
2988 ms
Facebook.png
2868 ms
Tiktok.png
2819 ms
Twitter.png
2806 ms
youtube.png
2808 ms
cuboid-1.png
2648 ms
cuboid-2.png
2514 ms
cuboid-3.png
2377 ms
cuboid-4.png
2114 ms
icon-triangle.png
1994 ms
email-red.png
1810 ms
whatsapp-red.png
1806 ms
tel-red.png
1739 ms
min.png
1729 ms
email.png
1710 ms
whatsapp.png
1605 ms
skype.png
1610 ms
tel.png
1622 ms
glsun.com accessibility score
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
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Definition list items are not wrapped in <dl> elements
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
glsun.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
Page has valid source maps
glsun.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 doesn't use 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 Glsun.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 Glsun.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.
glsun.com
Open Graph description is not detected on the main page of GLSUN. 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: