42.6 sec in total
8.1 sec
34.1 sec
346 ms
Visit screwl.com now to see the best up-to-date Screwl content and also check out these interesting facts you probably never knew about screwl.com
广东锦泰五金科技有限公司是一家专注非标螺丝,特殊螺丝研发,生产,销售于一体的螺丝厂,主营产品有自攻螺丝,螺钉,不锈钢螺丝等,并于2010年注册锦锢(JSCREW)螺丝品牌.
Visit screwl.comWe analyzed Screwl.com page load time and found that the first response time was 8.1 sec and then it took 34.5 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.
screwl.com performance score
name
value
score
weighting
Value8.6 s
0/100
10%
Value9.9 s
0/100
25%
Value17.0 s
0/100
10%
Value6,790 ms
0/100
30%
Value0.209
59/100
15%
Value32.9 s
0/100
10%
8132 ms
487 ms
513 ms
1156 ms
482 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 80% of them (59 requests) were addressed to the original Screwl.com, 7% (5 requests) were made to Bdimg.share.baidu.com and 3% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Qiao.baidu.com.
Page size can be reduced by 105.0 kB (15%)
715.9 kB
610.9 kB
In fact, the total size of Screwl.com main page is 715.9 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. 35% of websites need less resources to load. Images take 601.8 kB which makes up the majority of the site volume.
Potential reduce by 35.2 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 35.2 kB or 78% of the original size.
Potential reduce by 22.6 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. Screwl images are well optimized though.
Potential reduce by 26.3 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 26.3 kB or 63% of the original size.
Potential reduce by 20.8 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. Screwl.com needs all CSS files to be minified and compressed as it can save up to 20.8 kB or 76% of the original size.
Number of requests can be reduced by 21 (30%)
70
49
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Screwl. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.
screwl.com
8132 ms
style.css
487 ms
flash.js
513 ms
head_logo.jpg
1156 ms
head_home.jpg
482 ms
head_shuo.jpg
468 ms
head_contact.jpg
679 ms
head_ch.jpg
1222 ms
head_en.jpg
1239 ms
h_c3.jpg
720 ms
15042033.js
4313 ms
kefuonline.js
293 ms
mystat.asp
468 ms
0
98 ms
counter.php
109 ms
h_c2.jpg
524 ms
h_r5.jpg
778 ms
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656 ms
h_r10_c2.jpg
804 ms
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900 ms
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957 ms
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990 ms
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1033 ms
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1504 ms
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1627 ms
h_r13.jpg
1697 ms
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1735 ms
zz1.jpg
1751 ms
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1846 ms
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2264 ms
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1939 ms
w4.jpg
1931 ms
h_r123.jpg
1971 ms
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2006 ms
n10.jpg
1876 ms
h_r8_c2.jpg
1783 ms
xiao.jpg
1693 ms
n8.jpg
1769 ms
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1738 ms
jt.jpg
1751 ms
n11.jpg
1764 ms
n14.jpg
1785 ms
icon_9.gif
640 ms
shell_v2.js
724 ms
h.js
734 ms
bds_s_v2.js
1977 ms
21.gif
928 ms
b.js
811 ms
hm.gif
370 ms
top.js
221 ms
getonline
15596 ms
bottom.js
254 ms
bsl.js
20107 ms
bdsstyle.css
229 ms
l7.gif
449 ms
top.gif
296 ms
logger.js
441 ms
middle.gif
261 ms
52_f.gif
305 ms
51_f.gif
266 ms
bottom.gif
260 ms
screwl.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.
screwl.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
screwl.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 Screwl.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 Screwl.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.
screwl.com
Open Graph description is not detected on the main page of Screwl. 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: