30.5 sec in total
15 sec
15.3 sec
187 ms
Click here to check amazing Prism Opticsinfobase content for United States. Otherwise, check out these important facts you probably never knew about prism.opticsinfobase.org
Visit prism.opticsinfobase.orgWe analyzed Prism.opticsinfobase.org page load time and found that the first response time was 15 sec and then it took 15.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
prism.opticsinfobase.org performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value5.1 s
24/100
25%
Value4.5 s
73/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value4.6 s
82/100
10%
15029 ms
74 ms
11 ms
29 ms
27 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Prism.opticsinfobase.org and no external sources were called. The less responsive or slowest element that took the longest time to load (15 sec) relates to the external source Prism.osapublishing.org.
Page size can be reduced by 6.3 kB (72%)
8.8 kB
2.5 kB
In fact, the total size of Prism.opticsinfobase.org main page is 8.8 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. 30% of websites need less resources to load. HTML takes 8.8 kB which makes up the majority of the site volume.
Potential reduce by 6.3 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 2.6 kB, which is 30% 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 6.3 kB or 72% of the original size.
Number of requests can be reduced by 13 (54%)
24
11
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Prism Opticsinfobase. 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 from 6 to 1 for CSS and as a result speed up the page load time.
prism.osapublishing.org
15029 ms
Login
74 ms
css
11 ms
css
29 ms
toastr.css
27 ms
toastr.custom.css
36 ms
modernizr
40 ms
jquery
71 ms
jqueryui
81 ms
colResizable-1.3.min.js
67 ms
jquery.tablesorter.js
67 ms
uniform.default.css
66 ms
jquery.uniform.js
65 ms
Site.css
75 ms
toastr.js
63 ms
MessageService.js
64 ms
jqueryval
75 ms
bg_body.gif
72 ms
bg_header.jpg
13 ms
prism_logo.png
15 ms
bg_content_top.png
11 ms
bg_big_grey_button.gif
13 ms
bg_footer.gif
13 ms
osa_logo.gif
14 ms
OSA-Publishing-grey-line.png
19 ms
form_sprite.png
20 ms
PTS55F-webfont.woff
27 ms
PTS75F-webfont.woff
21 ms
prism.opticsinfobase.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
No form fields have multiple labels
Form elements do not have associated labels
prism.opticsinfobase.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
General
Impact
Issue
Detected JavaScript libraries
prism.opticsinfobase.org 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
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 Prism.opticsinfobase.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 Prism.opticsinfobase.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.
prism.opticsinfobase.org
Open Graph description is not detected on the main page of Prism Opticsinfobase. 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: