Tools & Wizards About Us
fueleconomy.gov screenshot

Report Summary

  • 65

    Performance

    Renders faster than
    78% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

fueleconomy.gov

Fuel Economy

Page Load Speed

2.3 sec in total

First Response

115 ms

Resources Loaded

2 sec

Page Rendered

115 ms

fueleconomy.gov screenshot

About Website

Visit fueleconomy.gov now to see the best up-to-date Fuel Economy content for United States and also check out these interesting facts you probably never knew about fueleconomy.gov

EPA gas mileage, safety, air pollution, and greenhouse gas estimates for new and used cars and trucks. Improve the MPG of your vehicle with our gas mileage tips.

Visit fueleconomy.gov

Key Findings

We analyzed Fueleconomy.gov page load time and found that the first response time was 115 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

fueleconomy.gov performance score

65

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

29/100

25%

SI (Speed Index)

Value3.3 s

90/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.299

40/100

15%

TTI (Time to Interactive)

Value4.4 s

84/100

10%

Network Requests Diagram

fueleconomy.gov

115 ms

fueleconomy.gov

312 ms

bootstrap.min.css

217 ms

jquery-ui.css

30 ms

feg.css

205 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 85% of them (29 requests) were addressed to the original Fueleconomy.gov, 9% (3 requests) were made to Code.jquery.com and 3% (1 request) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Fueleconomy.gov.

Page Optimization Overview & Recommendations

Page size can be reduced by 311.1 kB (21%)

Content Size

1.5 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Fueleconomy.gov main page is 1.5 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. 35% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 30.8 kB

  • Original 38.8 kB
  • After minification 33.9 kB
  • After compression 8.0 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 4.9 kB, which is 13% 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 30.8 kB or 79% of the original size.

Image Optimization

-20%

Potential reduce by 275.8 kB

  • Original 1.4 MB
  • After minification 1.1 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. Obviously, Fuel Economy needs image optimization as it can save up to 275.8 kB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-24%

Potential reduce by 2.8 kB

  • Original 11.3 kB
  • After minification 11.3 kB
  • After compression 8.6 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 2.8 kB or 24% of the original size.

CSS Optimization

-6%

Potential reduce by 1.7 kB

  • Original 29.2 kB
  • After minification 29.2 kB
  • After compression 27.5 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. Fueleconomy.gov has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 6 (19%)

Requests Now

32

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Fuel Economy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

fueleconomy.gov

fueleconomy.gov

115 ms

fueleconomy.gov

fueleconomy.gov

312 ms

bootstrap.min.css

bootstrap.min.css

217 ms

jquery-ui.css

jquery-ui.css

30 ms

feg.css

feg.css

205 ms

eere_logo_horiz_gray.png

eere_logo_horiz_gray.png

793 ms

epa_logo_gray.png

epa_logo_gray.png

266 ms

fe-logo-bs.png

fe-logo-bs.png

770 ms

fe-brand-1a558f.png

fe-brand-1a558f.png

629 ms

findacar2_mm.jpg

findacar2_mm.jpg

306 ms

used-label-med.png

used-label-med.png

1283 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

29 ms

bootstrap.min.js

bootstrap.min.js

41 ms

jquery.validate.min.js

jquery.validate.min.js

28 ms

jquery.fitvids.js

jquery.fitvids.js

289 ms

jquery-ui.min.js

jquery-ui.min.js

33 ms

jquery.search.js

jquery.search.js

325 ms

jquery.rwdImageMaps.min.js

jquery.rwdImageMaps.min.js

332 ms

HouseholdCO2Pie_mm.jpg

HouseholdCO2Pie_mm.jpg

537 ms

fuel_pump_mm.jpg

fuel_pump_mm.jpg

431 ms

realworldmpg_mm.jpg

realworldmpg_mm.jpg

531 ms

icon_plugin.gif

icon_plugin.gif

563 ms

octane.jpg

octane.jpg

786 ms

2024-25-guide-hero.jpg

2024-25-guide-hero.jpg

960 ms

SpringTripHero.jpg

SpringTripHero.jpg

1135 ms

Tax-Credit-Hero.jpg

Tax-Credit-Hero.jpg

1594 ms

2024-25-guide-hero-xs.jpg

2024-25-guide-hero-xs.jpg

1108 ms

SpringTripHeroxs.jpg

SpringTripHeroxs.jpg

1215 ms

Tax-Credit-Hero-xs.jpg

Tax-Credit-Hero-xs.jpg

1358 ms

shoppers.jpg

shoppers.jpg

1179 ms

gaspumps3.jpg

gaspumps3.jpg

1208 ms

GasReceipt3.jpg

GasReceipt3.jpg

1286 ms

plug.jpg

plug.jpg

1280 ms

search_676767_13.png

search_676767_13.png

1125 ms

Accessibility Review

fueleconomy.gov accessibility score

98

Accessibility Issues

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

fueleconomy.gov best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

fueleconomy.gov SEO score

79

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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 Fueleconomy.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 Fueleconomy.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

fueleconomy.gov

Open Graph data is detected on the main page of Fuel Economy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: