26.9 sec in total
1.8 sec
24.6 sec
434 ms
Visit olinkphotonics.com now to see the best up-to-date Olinkphotonics content and also check out these interesting facts you probably never knew about olinkphotonics.com
Welcome to Olinkphotonics
Visit olinkphotonics.comWe analyzed Olinkphotonics.com page load time and found that the first response time was 1.8 sec and then it took 25.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
olinkphotonics.com performance score
name
value
score
weighting
Value1.9 s
87/100
10%
Value17.9 s
0/100
25%
Value6.5 s
39/100
10%
Value30 ms
100/100
30%
Value0.077
95/100
15%
Value2.5 s
98/100
10%
1840 ms
1038 ms
1626 ms
1041 ms
1261 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 92% of them (45 requests) were addressed to the original Olinkphotonics.com, 4% (2 requests) were made to Webim.winxun.com and 2% (1 request) were made to Pandeng.com. The less responsive or slowest element that took the longest time to load (19.9 sec) relates to the external source S.9ldjj.com.
Page size can be reduced by 263.5 kB (19%)
1.4 MB
1.1 MB
In fact, the total size of Olinkphotonics.com main page is 1.4 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. 30% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 34.5 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. This page needs HTML code to be minified as it can gain 8.3 kB, which is 21% 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 34.5 kB or 87% of the original size.
Potential reduce by 120.3 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. Olinkphotonics images are well optimized though.
Potential reduce by 88.8 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 88.8 kB or 67% of the original size.
Potential reduce by 19.9 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. Olinkphotonics.com needs all CSS files to be minified and compressed as it can save up to 19.9 kB or 80% of the original size.
Number of requests can be reduced by 6 (13%)
47
41
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Olinkphotonics. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
olinkphotonics.com
1840 ms
css.css
1038 ms
jquery-1.7.2.min.js
1626 ms
script.js
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jquery.SuperSlide.js
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jquery.flexslider-min.js
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kxbdMarquee_02.js
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gundong.js
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top_bg.jpg
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top_link.jpg
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search.jpg
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olinkphotonics.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.
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
olinkphotonics.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
olinkphotonics.com 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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olinkphotonics.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Olinkphotonics.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.
olinkphotonics.com
Open Graph description is not detected on the main page of Olinkphotonics. 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: