Tools & Wizards About Us
denver.jiffylube.com screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

denver.jiffylube.com

Car Maintenance - Oil Changes, Tires & Brakes | Jiffy Lube

Page Load Speed

1.5 sec in total

First Response

309 ms

Resources Loaded

847 ms

Page Rendered

347 ms

denver.jiffylube.com screenshot

About Website

Visit denver.jiffylube.com now to see the best up-to-date Denver Jiffy Lube content for United States and also check out these interesting facts you probably never knew about denver.jiffylube.com

Find local Jiffy Lube for car maintenance, servicing, & coupons. Highly trained technicians complete oil changes, brakes, tires & other vehicle services.

Visit denver.jiffylube.com

Key Findings

We analyzed Denver.jiffylube.com page load time and found that the first response time was 309 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

denver.jiffylube.com performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value9.4 s

0/100

25%

SI (Speed Index)

Value5.9 s

48/100

10%

TBT (Total Blocking Time)

Value2,650 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value18.9 s

3/100

10%

Network Requests Diagram

denver.jiffylube.com

309 ms

denver.jiffylube.com

111 ms

www.jiffylube.com

181 ms

script.js

46 ms

uc.js

23 ms

Our browser made a total of 63 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Denver.jiffylube.com, 86% (54 requests) were made to Jiffylube-assets1.imgix.net and 6% (4 requests) were made to Jiffylube-assets2.imgix.net. The less responsive or slowest element that took the longest time to load (309 ms) belongs to the original domain Denver.jiffylube.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 929.0 kB (41%)

Content Size

2.3 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Denver.jiffylube.com main page is 2.3 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. 70% of websites need less resources to load. Images take 746.7 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 174.2 kB

  • Original 221.6 kB
  • After minification 221.5 kB
  • After compression 47.4 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 174.2 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 825 B

  • Original 746.7 kB
  • After minification 745.9 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. Denver Jiffy Lube images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 153.1 kB

  • Original 592.7 kB
  • After minification 592.7 kB
  • After compression 439.6 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 153.1 kB or 26% of the original size.

CSS Optimization

-87%

Potential reduce by 600.9 kB

  • Original 692.9 kB
  • After minification 692.1 kB
  • After compression 92.0 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. Denver.jiffylube.com needs all CSS files to be minified and compressed as it can save up to 600.9 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (70%)

Requests Now

46

After Optimization

14

  • Images
  • JavaScript
  • CSS

The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Denver Jiffy Lube. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

denver.jiffylube.com

denver.jiffylube.com

309 ms

denver.jiffylube.com

denver.jiffylube.com

111 ms

www.jiffylube.com

www.jiffylube.com

181 ms

script.js

script.js

46 ms

uc.js

uc.js

23 ms

112b2e0a1aa70f18.css

112b2e0a1aa70f18.css

34 ms

polyfills-c67a75d1b6f99dc8.js

polyfills-c67a75d1b6f99dc8.js

38 ms

webpack-929f85ecfda7677a.js

webpack-929f85ecfda7677a.js

39 ms

framework-79bce4a3a540b080.js

framework-79bce4a3a540b080.js

39 ms

main-9c4740c66e898596.js

main-9c4740c66e898596.js

42 ms

_app-8008929ad7e16fe8.js

_app-8008929ad7e16fe8.js

42 ms

29107295-4a69275373f23f88.js

29107295-4a69275373f23f88.js

42 ms

252f366e-3c98c080fc305b34.js

252f366e-3c98c080fc305b34.js

40 ms

75fc9c18-5a55cb0f13134a2c.js

75fc9c18-5a55cb0f13134a2c.js

42 ms

ea88be26-b254aef98a98f153.js

ea88be26-b254aef98a98f153.js

43 ms

5592-f69e72bf6f80650a.js

5592-f69e72bf6f80650a.js

154 ms

4067-eb274c8469c4b017.js

4067-eb274c8469c4b017.js

159 ms

3719-853635862575e40a.js

3719-853635862575e40a.js

156 ms

6841-419a2286997a4243.js

6841-419a2286997a4243.js

43 ms

3777-3f9695a0e4954d41.js

3777-3f9695a0e4954d41.js

155 ms

2379-d4836d5a17d5dac6.js

2379-d4836d5a17d5dac6.js

156 ms

3316-d7cbfe08e01f5b6e.js

3316-d7cbfe08e01f5b6e.js

158 ms

8384-20b959a812ce6f90.js

8384-20b959a812ce6f90.js

162 ms

5575-f2939b8fa72e49cb.js

5575-f2939b8fa72e49cb.js

161 ms

7633-b1c9d1473483af1c.js

7633-b1c9d1473483af1c.js

161 ms

6842-fa240abaee3b22d1.js

6842-fa240abaee3b22d1.js

165 ms

5669-d2781b7cb2b8ddba.js

5669-d2781b7cb2b8ddba.js

168 ms

2303-c83b2722275f2e88.js

2303-c83b2722275f2e88.js

165 ms

index-457de148490693f6.js

index-457de148490693f6.js

165 ms

_buildManifest.js

_buildManifest.js

166 ms

_ssgManifest.js

_ssgManifest.js

166 ms

P7829_oil_change_v3_00832_V2.jpg

P7829_oil_change_v3_00832_V2.jpg

99 ms

P7829_brakes_01267_V2.jpg

P7829_brakes_01267_V2.jpg

37 ms

car-engine-and-jumper-cables-picture-id182175566.jpg

car-engine-and-jumper-cables-picture-id182175566.jpg

35 ms

compact-car-front-picture-id480948105.jpg

compact-car-front-picture-id480948105.jpg

39 ms

jiffy-lube.svg

jiffy-lube.svg

27 ms

footer-link-arrow.svg

footer-link-arrow.svg

31 ms

quotesOnCell.png

quotesOnCell.png

32 ms

footer-link-arrow.png

footer-link-arrow.png

32 ms

footer-link-arrow.svg

footer-link-arrow.svg

30 ms

jiffy-lube-savings-121719.jpg

jiffy-lube-savings-121719.jpg

29 ms

vehicleTips.jpg

vehicleTips.jpg

36 ms

contact.jpg

contact.jpg

34 ms

jiffy-lube-hero-min2024.jpg

jiffy-lube-hero-min2024.jpg

38 ms

red-link-arrow.png

red-link-arrow.png

35 ms

red-link-arrow.svg

red-link-arrow.svg

32 ms

jl_logo.png

jl_logo.png

36 ms

plus-open-icon-white.png

plus-open-icon-white.png

37 ms

minus-close-icon-white.png

minus-close-icon-white.png

37 ms

BrandonGrotesque-Regular_1.woff

BrandonGrotesque-Regular_1.woff

39 ms

BrandonGrotesque-Light_1.woff

BrandonGrotesque-Light_1.woff

40 ms

BrandonGrotesque-Regular.woff

BrandonGrotesque-Regular.woff

38 ms

BrandonGrotesque-Light.woff

BrandonGrotesque-Light.woff

41 ms

BrandonGrotesque-Medium_1.woff

BrandonGrotesque-Medium_1.woff

40 ms

BrandonGrotesque-Medium.woff

BrandonGrotesque-Medium.woff

41 ms

BrandonGrotesque-Thin_1.woff

BrandonGrotesque-Thin_1.woff

41 ms

BrandonGrotesque-Thin.woff

BrandonGrotesque-Thin.woff

39 ms

BrandonGrotesque-Bold_1.woff

BrandonGrotesque-Bold_1.woff

37 ms

BrandonGrotesque-Bold.woff

BrandonGrotesque-Bold.woff

66 ms

BrandonGrotesque-Black_1.woff

BrandonGrotesque-Black_1.woff

36 ms

BrandonGrotesque-Black.woff

BrandonGrotesque-Black.woff

53 ms

2C4415_2_0.woff

2C4415_2_0.woff

5 ms

MaterialIcons-Regular.woff

MaterialIcons-Regular.woff

4 ms

Accessibility Review

denver.jiffylube.com accessibility score

100

Accessibility Issues

Best Practices

denver.jiffylube.com 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

SEO Factors

denver.jiffylube.com SEO score

84

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 Denver.jiffylube.com 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 Denver.jiffylube.com 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

denver.jiffylube.com

Open Graph description is not detected on the main page of Denver Jiffy Lube. 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: