25.2 sec in total
1 sec
23.8 sec
418 ms
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Visit 7sensors.comWe analyzed 7sensors.com page load time and found that the first response time was 1 sec and then it took 24.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number 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.
7sensors.com performance score
name
value
score
weighting
Value5.2 s
8/100
10%
Value7.1 s
6/100
25%
Value15.8 s
0/100
10%
Value1,530 ms
13/100
30%
Value0.003
100/100
15%
Value19.4 s
2/100
10%
1007 ms
442 ms
470 ms
685 ms
470 ms
Our browser made a total of 107 requests to load all elements on the main page. We found that 58% of them (62 requests) were addressed to the original 7sensors.com, 21% (22 requests) were made to Img.7sensors.com and 10% (11 requests) were made to Img.888joop.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source S4.cnzz.com.
Page size can be reduced by 107.1 kB (15%)
733.8 kB
626.7 kB
In fact, the total size of 7sensors.com main page is 733.8 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. 75% 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 586.9 kB which makes up the majority of the site volume.
Potential reduce by 106.5 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 42.0 kB, which is 35% 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 106.5 kB or 88% of the original size.
Potential reduce by 346 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. 7 Sensors images are well optimized though.
Potential reduce by 195 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 0 B
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. 7sensors.com has all CSS files already compressed.
Number of requests can be reduced by 51 (63%)
81
30
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 7 Sensors. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
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7sensors.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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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
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.
7sensors.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
7sensors.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 7sensors.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 7sensors.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.
{{og_description}}
7sensors.com
Open Graph description is not detected on the main page of 7 Sensors. 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: