12.7 sec in total
664 ms
12 sec
88 ms
Welcome to raschka-engineering.com homepage info - get ready to check Raschka Engineering best content right away, or after learning these important things about raschka-engineering.com
Raschka Engineering previously known as Lonza Engineering is now reflecting the superior and well known Raschka FBI technology in its name. 拉斯卡工程有限公司,原名为龙沙工程有限公司,为进一步推广卓越、知名的Raschka技术而更名。
Visit raschka-engineering.comWe analyzed Raschka-engineering.com page load time and found that the first response time was 664 ms and then it took 12.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
raschka-engineering.com performance score
name
value
score
weighting
Value1.1 s
99/100
10%
Value6.5 s
9/100
25%
Value4.8 s
68/100
10%
Value150 ms
94/100
30%
Value0
100/100
15%
Value2.3 s
99/100
10%
664 ms
484 ms
431 ms
480 ms
875 ms
Our browser made a total of 19 requests to load all elements on the main page. We found that all of those requests were addressed to Raschka-engineering.com and no external sources were called. The less responsive or slowest element that took the longest time to load (10.5 sec) belongs to the original domain Raschka-engineering.com.
Page size can be reduced by 34.9 kB (10%)
344.6 kB
309.8 kB
In fact, the total size of Raschka-engineering.com main page is 344.6 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. 15% of websites need less resources to load. Images take 291.9 kB which makes up the majority of the site volume.
Potential reduce by 16.3 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 13.1 kB, which is 71% 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 16.3 kB or 89% of the original size.
Potential reduce by 10.9 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. Raschka Engineering images are well optimized though.
Potential reduce by 7.0 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 7.0 kB or 22% of the original size.
Potential reduce by 587 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. Raschka-engineering.com needs all CSS files to be minified and compressed as it can save up to 587 B or 27% of the original size.
We found no issues to fix!
17
17
The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Raschka Engineering. According to our analytics all requests are already optimized.
raschka-engineering.com
664 ms
index.asp
484 ms
Html.js
431 ms
css.css
480 ms
jquery-1.4.min.js
875 ms
jquery.iFadeSldie.pack.js
455 ms
top_logo_02.jpg
487 ms
language_en_01.jpg
215 ms
language_en_02.jpg
237 ms
language_en_03.jpg
238 ms
menu_bg_04.jpg
374 ms
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7715 ms
20170123145724571.jpg
3336 ms
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6660 ms
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4766 ms
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5692 ms
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6590 ms
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9735 ms
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10545 ms
raschka-engineering.com accessibility score
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
raschka-engineering.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
raschka-engineering.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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Raschka-engineering.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 Raschka-engineering.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.
raschka-engineering.com
Open Graph description is not detected on the main page of Raschka Engineering. 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: