3.3 sec in total
232 ms
2.3 sec
852 ms
Visit spie.org now to see the best up-to-date SPIE content for United States and also check out these interesting facts you probably never knew about spie.org
SPIE is a non-profit dedicated to advancing the scientific research and engineering applications of optics and photonics through international conferences, education programs and publications.
Visit spie.orgWe analyzed Spie.org page load time and found that the first response time was 232 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
spie.org performance score
name
value
score
weighting
Value4.6 s
14/100
10%
Value10.0 s
0/100
25%
Value9.2 s
13/100
10%
Value3,080 ms
2/100
30%
Value0
100/100
15%
Value28.8 s
0/100
10%
232 ms
121 ms
158 ms
109 ms
221 ms
Our browser made a total of 101 requests to load all elements on the main page. We found that 75% of them (76 requests) were addressed to the original Spie.org, 4% (4 requests) were made to and 2% (2 requests) were made to Securepubads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (709 ms) belongs to the original domain Spie.org.
Page size can be reduced by 678.4 kB (10%)
6.9 MB
6.2 MB
In fact, the total size of Spie.org main page is 6.9 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. Only a small number of websites need less resources to load. Images take 5.6 MB which makes up the majority of the site volume.
Potential reduce by 374.4 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 199.5 kB, which is 50% 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 374.4 kB or 93% of the original size.
Potential reduce by 0 B
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. SPIE images are well optimized though.
Potential reduce by 281.9 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 281.9 kB or 36% of the original size.
Potential reduce by 22.1 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. Spie.org needs all CSS files to be minified and compressed as it can save up to 22.1 kB or 18% of the original size.
Number of requests can be reduced by 45 (48%)
94
49
The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SPIE. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
spie.org
232 ms
gtm.js
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gpt.js
158 ms
iMAWebCookie.js
109 ms
jquery-3.5.1.min.js
221 ms
jquery-migrate-3.2.0.min.js
105 ms
jquery-ui-1.12.1.min.js
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bootstrap.min.css
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bootstrap.bundle.min.js
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PageBuilderComponent
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fonts.css
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modernizr.custom.22669.js
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cookieconsent.min.css
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EMBED.js
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polyfill.min.js
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MiniCartBundle
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jquery.unobtrusive-ajax.min.js
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plugins.js
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main.js
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pageBuilderTemplate
445 ms
common
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GlobalStore
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CAA18E558A08B6ED9.css
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pubads_impl.js
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js
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uwt.js
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adsct
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adsct
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icon_hamburger.svg
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qd+TGu6XJzLwK3qzzXKYeqc+L442CIxHdRkZdbYGaLU7ja73I7tkXbsoSEVVPlx0npf49NDVoVqeB3n9HbGVFAc=
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player_api
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insight.min.js
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event.jpeg
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spie.org accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
spie.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
Page has valid source maps
spie.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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Spie.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 Spie.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.
spie.org
Open Graph data is detected on the main page of SPIE. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: