8.2 sec in total
846 ms
7 sec
381 ms
Welcome to scs-f.com homepage info - get ready to check Scs F best content right away, or after learning these important things about scs-f.com
上海中科光纤通讯器件有限公司
Visit scs-f.comWe analyzed Scs-f.com page load time and found that the first response time was 846 ms and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
scs-f.com performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value4.7 s
33/100
25%
Value4.8 s
67/100
10%
Value10 ms
100/100
30%
Value0.38
27/100
15%
Value3.4 s
93/100
10%
846 ms
1316 ms
290 ms
857 ms
571 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 98% of them (48 requests) were addressed to the original Scs-f.com, 2% (1 request) were made to Cdn.dowebok.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Scs-f.com.
Page size can be reduced by 252.3 kB (8%)
3.3 MB
3.1 MB
In fact, the total size of Scs-f.com main page is 3.3 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. 55% of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.
Potential reduce by 51.1 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 12.5 kB, which is 22% 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 51.1 kB or 89% of the original size.
Potential reduce by 189.2 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. Scs F images are well optimized though.
Potential reduce by 10.6 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 10.6 kB or 11% of the original size.
Potential reduce by 1.3 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. Scs-f.com has all CSS files already compressed.
Number of requests can be reduced by 13 (29%)
45
32
The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Scs F. 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 from 8 to 1 for CSS and as a result speed up the page load time.
scs-f.com
846 ms
www.scs-f.com
1316 ms
body.css
290 ms
jquery-1.11.1.min.js
857 ms
index.css
571 ms
jquery.SuperSlide2.js
575 ms
animate.css
576 ms
modernizr-2.7.2.js
880 ms
wow.min.js
770 ms
lrtk.css
577 ms
bootstrap.min.css
1146 ms
font-awesome.min.css
877 ms
animate.min.css
878 ms
bootstrap-touch-slider.css
878 ms
jquery-1.11.0.min.js
1184 ms
bootstrap.min.js
1198 ms
jquery.touchSwipe.min.js
1203 ms
bootstrap-touch-slider.js
1205 ms
logo.png
353 ms
top_02.png
541 ms
ewm.jpg
544 ms
top_03.png
542 ms
img1.jpg
1741 ms
img4.jpg
1710 ms
img2.jpg
1753 ms
img5.jpg
1972 ms
pro_tit_01.png
841 ms
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829 ms
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1402 ms
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3402 ms
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1701 ms
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1984 ms
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1995 ms
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2024 ms
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2035 ms
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2251 ms
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2263 ms
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2534 ms
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3950 ms
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2584 ms
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2636 ms
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2619 ms
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2813 ms
pro_tit_02.png
2865 ms
ghs.png
2901 ms
fontawesome-webfont.woff
2606 ms
scs-f.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.
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
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
scs-f.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
scs-f.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Scs-f.com can be misinterpreted by Google and other search engines. Our service has detected that English 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 Scs-f.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.
scs-f.com
Open Graph description is not detected on the main page of Scs F. 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: