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name

value

score

weighting

FCP (First Contentful Paint)

Value1.6 s

95/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

42/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value4.3 s

85/100

10%

starbatteryhouse.com

592 ms

constants.js

176 ms

pubsub.js

33 ms

global.js

55 ms

animations.js

54 ms

Our browser made a total of 58 requests to load all elements on the main page. We found that all of those requests were addressed to Starbatteryhouse.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Starbatteryhouse.com.

Content Size

2.7 MB

After Optimization

2.6 MB

In fact, the total size of Starbatteryhouse.com main page is 2.7 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. 40% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 110.7 kB

Original 130.5 kB
After minification 120.9 kB
After compression 19.7 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 110.7 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 11.9 kB

Original 2.5 MB
After minification 2.5 MB

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. Starbatteryhouse images are well optimized though.

JavaScript Optimization

-14%

Potential reduce by 12.9 kB

Original 95.4 kB
After minification 95.3 kB
After compression 82.5 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 12.9 kB or 14% of the original size.

CSS Optimization

-17%

Potential reduce by 5.8 kB

Original 33.9 kB
After minification 33.9 kB
After compression 28.1 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. Starbatteryhouse.com needs all CSS files to be minified and compressed as it can save up to 5.8 kB or 17% of the original size.

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After Optimization

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Starbatteryhouse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 22 to 1 for CSS and as a result speed up the page load time.