1 sec in total
245 ms
604 ms
158 ms
Welcome to photoptics.org homepage info - get ready to check PHOTOPTICS best content for Russia right away, or after learning these important things about photoptics.org
Lasers, Optics, Photonics
Visit photoptics.orgWe analyzed Photoptics.org page load time and found that the first response time was 245 ms and then it took 762 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.
photoptics.org performance score
name
value
score
weighting
Value1.9 s
87/100
10%
Value2.7 s
86/100
25%
Value2.8 s
95/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.9 s
100/100
10%
245 ms
42 ms
51 ms
80 ms
10 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that 78% of them (18 requests) were addressed to the original Photoptics.org, 9% (2 requests) were made to S7.addthis.com and 9% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (245 ms) belongs to the original domain Photoptics.org.
Page size can be reduced by 362.5 kB (43%)
840.0 kB
477.5 kB
In fact, the total size of Photoptics.org main page is 840.0 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. Javascripts take 437.1 kB which makes up the majority of the site volume.
Potential reduce by 58.6 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 58.6 kB or 71% of the original size.
Potential reduce by 12.2 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. PHOTOPTICS images are well optimized though.
Potential reduce by 281.3 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 281.3 kB or 64% of the original size.
Potential reduce by 10.4 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. Photoptics.org needs all CSS files to be minified and compressed as it can save up to 10.4 kB or 83% of the original size.
Number of requests can be reduced by 3 (14%)
22
19
The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of PHOTOPTICS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.
photoptics.org
245 ms
photomorpher.css
42 ms
photomorpher.js
51 ms
style.css
80 ms
addthis_widget.js
10 ms
analytics.js
5 ms
collect
104 ms
300lo.json
54 ms
up.png
137 ms
INSTICC.png
97 ms
WfMC.png
89 ms
SCITEVENTS.png
45 ms
Telerik.Web.UI.WebResource.axd
46 ms
Photonics21.png
121 ms
SEDOPTICA.png
117 ms
DBLP.png
74 ms
Thomson.png
93 ms
INSPEC.png
113 ms
EI.png
150 ms
SCOPUS.png
117 ms
footer.png
130 ms
sh.8e5f85691f9aaa082472a194.html
38 ms
pic1.jpg
38 ms
photoptics.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.
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
<input type="image"> elements do not have [alt] text
Links do not have a discernible name
photoptics.org best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
photoptics.org 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
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 Photoptics.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 Photoptics.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.
photoptics.org
Open Graph description is not detected on the main page of PHOTOPTICS. 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: