Tools & Wizards About Us
irs.gov screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 96

    SEO

    Google-friendlier than
    90% of websites

irs.gov

Internal Revenue Service | An official website of the United States government

Page Load Speed

1.4 sec in total

First Response

66 ms

Resources Loaded

1.2 sec

Page Rendered

148 ms

irs.gov screenshot

About Website

Click here to check amazing Irs content for United States. Otherwise, check out these important facts you probably never knew about irs.gov

Pay your taxes. Get your refund status. Find IRS forms and answers to tax questions. We help you understand and meet your federal tax responsibilities.

Visit irs.gov

Key Findings

We analyzed Irs.gov page load time and found that the first response time was 66 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

irs.gov performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

58/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value5.7 s

51/100

10%

TBT (Total Blocking Time)

Value7,320 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.117

85/100

15%

TTI (Time to Interactive)

Value19.8 s

2/100

10%

Network Requests Diagram

www.irs.gov

66 ms

css_vLfXcAqLKS3YU_fzLQ7mHSjuHayIdWcOB7KAaUb3K8s.css

272 ms

css_tVnrZV-8ROZCMT5pKLrAEzbNgi6hR8UgmMcjOICoJ-A.css

60 ms

css_5AC04achp0hZXPooF9E7mTU_TXaSle-hxqi3dGnkgxM.css

36 ms

js_hS1VPzzwcnYDRXtlJPoRLwsCXm21arzwnNnryS7zczU.js

87 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 69% of them (48 requests) were addressed to the original Irs.gov, 11% (8 requests) were made to Youtube.com and 6% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (368 ms) belongs to the original domain Irs.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 929.8 kB (44%)

Content Size

2.1 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Irs.gov main page is 2.1 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. 80% 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. Javascripts take 679.6 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 130.9 kB

  • Original 159.9 kB
  • After minification 133.2 kB
  • After compression 29.0 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 26.6 kB, which is 17% 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 130.9 kB or 82% of the original size.

Image Optimization

-2%

Potential reduce by 12.7 kB

  • Original 601.2 kB
  • After minification 588.5 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. Irs images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 246.2 kB

  • Original 679.6 kB
  • After minification 679.0 kB
  • After compression 433.4 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 246.2 kB or 36% of the original size.

CSS Optimization

-79%

Potential reduce by 540.0 kB

  • Original 679.5 kB
  • After minification 677.8 kB
  • After compression 139.4 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. Irs.gov needs all CSS files to be minified and compressed as it can save up to 540.0 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 27 (44%)

Requests Now

61

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Irs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.irs.gov

www.irs.gov

66 ms

css_vLfXcAqLKS3YU_fzLQ7mHSjuHayIdWcOB7KAaUb3K8s.css

css_vLfXcAqLKS3YU_fzLQ7mHSjuHayIdWcOB7KAaUb3K8s.css

272 ms

css_tVnrZV-8ROZCMT5pKLrAEzbNgi6hR8UgmMcjOICoJ-A.css

css_tVnrZV-8ROZCMT5pKLrAEzbNgi6hR8UgmMcjOICoJ-A.css

60 ms

css_5AC04achp0hZXPooF9E7mTU_TXaSle-hxqi3dGnkgxM.css

css_5AC04achp0hZXPooF9E7mTU_TXaSle-hxqi3dGnkgxM.css

36 ms

js_hS1VPzzwcnYDRXtlJPoRLwsCXm21arzwnNnryS7zczU.js

js_hS1VPzzwcnYDRXtlJPoRLwsCXm21arzwnNnryS7zczU.js

87 ms

jquery.min.js

jquery.min.js

25 ms

autotracker.js

autotracker.js

43 ms

js_MIAwPdBRPFF2L-vkDvXGThAXXW3BA20QzJR9s-q1WWw.js

js_MIAwPdBRPFF2L-vkDvXGThAXXW3BA20QzJR9s-q1WWw.js

79 ms

page.js

page.js

43 ms

js_ne84eU7o53LaFR2k8EcTgjeQPizzD0PqvSkS_soe0_A.js

js_ne84eU7o53LaFR2k8EcTgjeQPizzD0PqvSkS_soe0_A.js

209 ms

gtm.js

gtm.js

77 ms

gtag.js

gtag.js

80 ms

js_hqyFwneIa3lO8j6jOTMDLg24iKJ4K0j3j9KXF6ynLxs.js

js_hqyFwneIa3lO8j6jOTMDLg24iKJ4K0j3j9KXF6ynLxs.js

95 ms

google-analytics.js

google-analytics.js

129 ms

height.js

height.js

130 ms

https.js

https.js

129 ms

federated-analytics.js

federated-analytics.js

128 ms

YVPKX-K5D8K-83D3W-U8X45-X3FTN

YVPKX-K5D8K-83D3W-U8X45-X3FTN

127 ms

official-site-flag.png

official-site-flag.png

106 ms

IRS-Logo.svg

IRS-Logo.svg

147 ms

logo-print.svg

logo-print.svg

220 ms

Icon-Search.png

Icon-Search.png

105 ms

DUT-homepage-tools.jpg

DUT-homepage-tools.jpg

147 ms

OLA-desktop-250-208.png

OLA-desktop-250-208.png

147 ms

homepage-tools-free-file-laptop.png

homepage-tools-free-file-laptop.png

147 ms

1205-Where%27sMyRefund_Desktop-250-208.png

1205-Where%27sMyRefund_Desktop-250-208.png

145 ms

DirectPay_Mobile-250-208.png

DirectPay_Mobile-250-208.png

157 ms

1205-GetTranscript_laptop-250-208.png

1205-GetTranscript_laptop-250-208.png

156 ms

homepage-tools-ippin-laptop.png

homepage-tools-ippin-laptop.png

167 ms

homepage-tools-twe2023.png

homepage-tools-twe2023.png

157 ms

homepage-tools-TAC-locator.png

homepage-tools-TAC-locator.png

200 ms

homepage-news-freefile-thumbsup.jpg

homepage-news-freefile-thumbsup.jpg

205 ms

thinkstockphotos-1059273701.jpg

thinkstockphotos-1059273701.jpg

200 ms

sbw-hi-five.jpg

sbw-hi-five.jpg

199 ms

erc-homepage_2.jpg

erc-homepage_2.jpg

243 ms

tax-prep_0.jpg

tax-prep_0.jpg

204 ms

ira-sop-with-logo-homepage.png

ira-sop-with-logo-homepage.png

205 ms

clean-tax-credit-homepage.jpg

clean-tax-credit-homepage.jpg

204 ms

homepage-news-special-filing-250-208_0.png

homepage-news-special-filing-250-208_0.png

264 ms

open-envelope-image-ca-taxes-homepage_1.jpg

open-envelope-image-ca-taxes-homepage_1.jpg

215 ms

pen-calc-return-250-208.jpg

pen-calc-return-250-208.jpg

218 ms

Twitter-EN.jpg

Twitter-EN.jpg

213 ms

gN0aNGqXyKA

gN0aNGqXyKA

66 ms

fa5-hands-helping.png

fa5-hands-helping.png

200 ms

fa5-book.png

fa5-book.png

200 ms

sourcesanspro-regular-webfont.woff

sourcesanspro-regular-webfont.woff

200 ms

sourcesanspro-light.woff

sourcesanspro-light.woff

200 ms

sourcesanspro-extralight.woff

sourcesanspro-extralight.woff

220 ms

sourcesanspro-bold-webfont.woff

sourcesanspro-bold-webfont.woff

220 ms

iframe_api

iframe_api

123 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

186 ms

sm.25.html

sm.25.html

49 ms

eso.BRQnzO8v.js

eso.BRQnzO8v.js

90 ms

analytics.js

analytics.js

61 ms

gN0aNGqXyKA

gN0aNGqXyKA

139 ms

config.json

config.json

50 ms

linkid.js

linkid.js

26 ms

collect

collect

29 ms

www-widgetapi.js

www-widgetapi.js

11 ms

collect

collect

31 ms

www-player.css

www-player.css

19 ms

www-embed-player.js

www-embed-player.js

36 ms

base.js

base.js

61 ms

css_T8ofK0pKYXA4NovPG30y9UclVp7c-yNIGGfLdWLGdFY.css

css_T8ofK0pKYXA4NovPG30y9UclVp7c-yNIGGfLdWLGdFY.css

368 ms

ad_status.js

ad_status.js

188 ms

jRYISRuM9q7e_xyYaLp_fsq3qnLjbNevd8JDa-bOkpI.js

jRYISRuM9q7e_xyYaLp_fsq3qnLjbNevd8JDa-bOkpI.js

133 ms

embed.js

embed.js

48 ms

KFOmCnqEu92Fr1Mu4mxP.ttf

KFOmCnqEu92Fr1Mu4mxP.ttf

44 ms

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

KFOlCnqEu92Fr1MmEU9fBBc9.ttf

46 ms

id

id

25 ms

Accessibility Review

irs.gov accessibility score

79

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

High

ARIA IDs are not unique

Best Practices

irs.gov best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

irs.gov SEO score

96

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Irs.gov can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Irs.gov 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.

Social Sharing Optimization

irs.gov

Open Graph description is not detected on the main page of Irs. 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: