Access dev.taxsimple.com. Internal Revenue Service | An official website of the United States government

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value7.8 s

3/100

25%

SI (Speed Index)

Value12.9 s

2/100

10%

TBT (Total Blocking Time)

Value40,480 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.148

76/100

15%

TTI (Time to Interactive)

Value52.7 s

0/100

10%

dev.taxsimple.com

144 ms

www.irs.gov

241 ms

google_tag.script.js

260 ms

css_U2v4WEavInYzpx9Vc8-sltDGf2A9zL0_l1Gzbu72pnU.css

123 ms

css_wZ5pEvAsr-RqL4yrcUhH6Hd_SlrxFRolFlTcrTUywCQ.css

141 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Dev.taxsimple.com, 57% (46 requests) were made to Irs.gov and 15% (12 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (656 ms) relates to the external source Static.doubleclick.net.

Content Size

1.8 MB

After Optimization

806.0 kB

In fact, the total size of Dev.taxsimple.com main page is 1.8 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. Only a small number of websites need less resources to load. CSS take 952.5 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 113.6 kB

Original 134.6 kB
After minification 107.9 kB
After compression 21.0 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. This page needs HTML code to be minified as it can gain 26.7 kB, which is 20% 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 113.6 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 12.3 kB

Original 556.6 kB
After minification 544.3 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. Dev Taxsimple images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 89.6 kB

Original 193.3 kB
After minification 191.9 kB
After compression 103.7 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 89.6 kB or 46% of the original size.

CSS Optimization

-86%

Potential reduce by 815.5 kB

Original 952.5 kB
After minification 951.9 kB
After compression 137.0 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. Dev.taxsimple.com needs all CSS files to be minified and compressed as it can save up to 815.5 kB or 86% of the original size.

Requests Now

After Optimization

The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dev Taxsimple. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.