6.2 sec in total
291 ms
5.5 sec
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Click here to check amazing Delta Optical Thinfilm content. Otherwise, check out these important facts you probably never knew about deltaopticalthinfilm.com
Delta Optical Thin Film specialises in designing and manufacturing high performance optical filters in the UVA/VIS/NIR range for OEM.
Visit deltaopticalthinfilm.comWe analyzed Deltaopticalthinfilm.com page load time and found that the first response time was 291 ms and then it took 5.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
deltaopticalthinfilm.com performance score
name
value
score
weighting
Value7.8 s
0/100
10%
Value30.3 s
0/100
25%
Value34.2 s
0/100
10%
Value28,910 ms
0/100
30%
Value0.067
97/100
15%
Value41.6 s
0/100
10%
291 ms
615 ms
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591 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 65% of them (65 requests) were addressed to the original Deltaopticalthinfilm.com, 7% (7 requests) were made to Use.fontawesome.com and 4% (4 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Deltaopticalthinfilm.com.
Page size can be reduced by 194.4 kB (10%)
1.9 MB
1.7 MB
In fact, the total size of Deltaopticalthinfilm.com main page is 1.9 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. 80% 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 1.4 MB which makes up the majority of the site volume.
Potential reduce by 152.0 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 152.0 kB or 81% of the original size.
Potential reduce by 36.5 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. Delta Optical Thinfilm images are well optimized though.
Potential reduce by 100 B
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. This website has mostly compressed JavaScripts.
Potential reduce by 5.7 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. Deltaopticalthinfilm.com has all CSS files already compressed.
Number of requests can be reduced by 54 (61%)
88
34
The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Delta Optical Thinfilm. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.
deltaopticalthinfilm.com
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deltaopticalthinfilm.com 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.
deltaopticalthinfilm.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
General
Impact
Issue
Detected JavaScript libraries
deltaopticalthinfilm.com 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
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Deltaopticalthinfilm.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 Deltaopticalthinfilm.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.
deltaopticalthinfilm.com
Open Graph data is detected on the main page of Delta Optical Thinfilm. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: