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name

value

score

weighting

FCP (First Contentful Paint)

Value7.3 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value780 ms

38/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value15.9 s

6/100

10%

jdbc-tutorial.com

149 ms

introduction-to-jdbc

1179 ms

system.base.css

40 ms

system.menus.theme.css

41 ms

system.messages.theme.css

43 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Jdbc-tutorial.com, 84% (63 requests) were made to Wideskills.com and 4% (3 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Wideskills.com.

Content Size

1.2 MB

After Optimization

516.6 kB

In fact, the total size of Jdbc-tutorial.com main page is 1.2 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. 50% of websites need less resources to load. Javascripts take 766.1 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 53.6 kB

Original 66.6 kB
After minification 66.6 kB
After compression 13.0 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 53.6 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 1.8 kB

Original 16.9 kB
After minification 15.1 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. Obviously, JDBC Tutorial needs image optimization as it can save up to 1.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-43%

Potential reduce by 333.0 kB

Original 766.1 kB
After minification 730.1 kB
After compression 433.0 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 333.0 kB or 43% of the original size.

CSS Optimization

-82%

Potential reduce by 258.9 kB

Original 314.3 kB
After minification 291.8 kB
After compression 55.4 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. Jdbc-tutorial.com needs all CSS files to be minified and compressed as it can save up to 258.9 kB or 82% of the original size.

Requests Now

After Optimization

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JDBC Tutorial. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 37 to 1 for JavaScripts and from 30 to 1 for CSS and as a result speed up the page load time.