1.5 sec in total
151 ms
854 ms
517 ms
Welcome to ossc.org homepage info - get ready to check Ossc best content right away, or after learning these important things about ossc.org
The purpose of the OSSC is to increase and disseminate the knowledge of optics, optical systems and science. It is a local section of the Optical Society.
Visit ossc.orgWe analyzed Ossc.org page load time and found that the first response time was 151 ms and then it took 1.4 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.
ossc.org performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value6.8 s
7/100
25%
Value4.9 s
64/100
10%
Value80 ms
99/100
30%
Value0.398
25/100
15%
Value6.2 s
62/100
10%
151 ms
73 ms
94 ms
56 ms
69 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 32% of them (34 requests) were addressed to the original Ossc.org, 38% (41 requests) were made to S3.amazonaws.com and 9% (10 requests) were made to D2i2wahzwrm1n5.cloudfront.net. The less responsive or slowest element that took the longest time to load (297 ms) relates to the external source S3.amazonaws.com.
Page size can be reduced by 1.2 MB (17%)
6.6 MB
5.5 MB
In fact, the total size of Ossc.org main page is 6.6 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 5.6 MB which makes up the majority of the site volume.
Potential reduce by 93.5 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 93.5 kB or 75% of the original size.
Potential reduce by 376.6 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. Ossc images are well optimized though.
Potential reduce by 588.1 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 588.1 kB or 71% of the original size.
Potential reduce by 94.8 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. Ossc.org needs all CSS files to be minified and compressed as it can save up to 94.8 kB or 80% of the original size.
Number of requests can be reduced by 42 (43%)
97
55
The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ossc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
ossc.org
151 ms
jquery-ui.min.css
73 ms
common_ui.css
94 ms
widget.css
56 ms
fonts.css
69 ms
layout.css
61 ms
menu.css
77 ms
design.css
78 ms
color.css
91 ms
layout_color.css
91 ms
menu_color.css
99 ms
club.css
132 ms
custom.css
162 ms
WebResource.axd
135 ms
ToolTip.css
13 ms
ToolTip.Default.css
7 ms
Telerik.Web.UI.WebResource.axd
151 ms
jquery.min.js
10 ms
Core.js
24 ms
Ajax.js
23 ms
jQueryExternal.js
24 ms
jQueryPlugins.js
23 ms
AnimationFramework.js
23 ms
PopupScripts.js
22 ms
AnimationScripts.js
25 ms
TouchScrollExtender.js
24 ms
RadToolTipScripts.js
26 ms
RadToolTipManager.js
25 ms
jquery-ui.min.js
11 ms
widget.js
114 ms
common.js
249 ms
page_tools.css
135 ms
addthis_widget.js
21 ms
galleria.twelve.css
111 ms
css
25 ms
OSSC_Final_Blue_1363867876.jpg
101 ms
MicroLaser.jpg
198 ms
ELCAN.png
200 ms
Schott_1_.gif
198 ms
synopsys_color.jpg
201 ms
OSSC_3.jpg
201 ms
help1.gif
89 ms
print.gif
90 ms
linkedin.png
93 ms
twitter.png
90 ms
facebook.png
91 ms
loading3.gif
91 ms
powered_by.png
94 ms
OSA_PrimaryLogo_2015_84232879.jpg
119 ms
SPIE_Logo_cmyk_2015_366337232.jpg
118 ms
OISClogo2015_92024998.jpg
95 ms
PhotonicsSociety_Simple.jpg
94 ms
NPI_WebBadge_160x160.png
90 ms
Year_of_Light_2015_Best_426278655.jpg
189 ms
AEHlogo1.JPG
119 ms
Birdwell_Janke_LLP_1894561563.JPG
121 ms
CamTech_logoSTACKED_Color.jpg
119 ms
DavidsonOptronics_474824740.JPG
120 ms
DiverseOpticsLogo.png
221 ms
4D-Technologies_1097593254.jpg
189 ms
GCL-logo.jpg
188 ms
Mindrum2.JPG
190 ms
Ohara.jpg
196 ms
OptoSigma_1_.gif
197 ms
Photonics_Media_Logo.jpg
196 ms
PI_Logo_836838416.jpg
289 ms
RossOptical_2126419170.jpg
197 ms
golf_logo.jpg
196 ms
VitalLinkLogo_1905013654.jpg
214 ms
VitalLink2013OCStemShwcase15_1641610704.jpg
217 ms
UCI_Optics_Logo.jpg
241 ms
UCIrvine_Ext_logo.jpg
282 ms
ivc_photonics_technology_logo.jpg
283 ms
Sparky_with_kids_6380284.jpg
289 ms
Sparky_rev3_1641929052.png
284 ms
March_2016_flyer_image_411970024.png
289 ms
John_Rogers_922824154.jpg
284 ms
SXS_843613533.jpg
287 ms
npi-horiz-logo.jpg
297 ms
new_port_lab_logo.gif
187 ms
OSGBanner.jpg
188 ms
Prec_Opt01.png
190 ms
Reynard_Corporation.png
189 ms
tools-backer.png
176 ms
page-tools-sprite.png
84 ms
cart_sprite.png
78 ms
share.png
76 ms
opgrad.png
82 ms
arrow_down.png
80 ms
widget.ashx
49 ms
widget.ashx
53 ms
300lo.json
111 ms
ie67-css.d5089428ac7f05efd372.js
22 ms
floating-css.43dfaad4c1b62b2ec5cb.js
30 ms
counter-ie.033ee35c761079a6df0d.js
28 ms
MicroLaser.jpg
103 ms
Schott_1_.gif
108 ms
new_port_lab_logo.gif
112 ms
ELCAN.png
109 ms
OSGBanner.jpg
138 ms
Reynard_Corporation.png
168 ms
Prec_Opt01.png
122 ms
synopsys_color.jpg
132 ms
OSSC_3.jpg
159 ms
sh.8e5f85691f9aaa082472a194.html
42 ms
fql
214 ms
share
55 ms
ossc.org 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.
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
ossc.org 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
General
Impact
Issue
Detected JavaScript libraries
ossc.org 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 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 Ossc.org 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 Ossc.org 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.
ossc.org
Open Graph description is not detected on the main page of Ossc. 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: