Tools & Wizards About Us
m.acdelco.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

m.acdelco.com

OEM & Aftermarket Auto Parts | Genuine GM Parts & ACDelco

Page Load Speed

2.4 sec in total

First Response

98 ms

Resources Loaded

959 ms

Page Rendered

1.4 sec

m.acdelco.com screenshot

About Website

Visit m.acdelco.com now to see the best up-to-date M ACDelco content for United States and also check out these interesting facts you probably never knew about m.acdelco.com

Welcome to GM Parts - your new, consolidated home for GM Genuine Parts and ACDelco parts information and resources. Shop our online catalog of parts today.

Visit m.acdelco.com

Key Findings

We analyzed M.acdelco.com page load time and found that the first response time was 98 ms and then it took 2.3 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

m.acdelco.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value18.1 s

0/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value2,630 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

www.gmparts.com

98 ms

ruxitagentjs_ICA7NVfgqrux_10291240606133530.js

141 ms

quantum_core.lc-6bf35997659a78b75b6e736d24aca8ca-lc.min.css

38 ms

head.lc-80ed2de2ffd004ba18e8645900bd0a8d-lc.min.css

47 ms

head.lc-d83a16caf73b2529df6b4471b64ac3c0-lc.min.js

189 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original M.acdelco.com, 6% (3 requests) were made to Brands.gm-cdn.com and 2% (1 request) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (272 ms) relates to the external source Gmparts.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 359.3 kB (53%)

Content Size

680.8 kB

After Optimization

321.6 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of M.acdelco.com main page is 680.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 60% of websites need less resources to load. HTML takes 393.2 kB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 359.2 kB

  • Original 393.2 kB
  • After minification 300.9 kB
  • After compression 33.9 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 92.3 kB, which is 23% 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 359.2 kB or 91% of the original size.

Image Optimization

-0%

Potential reduce by 13 B

  • Original 38.6 kB
  • After minification 38.6 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. M ACDelco images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 12 B

  • Original 249.1 kB
  • After minification 249.1 kB
  • After compression 249.1 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 22 (44%)

Requests Now

50

After Optimization

28

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of M ACDelco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 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.gmparts.com

www.gmparts.com

98 ms

ruxitagentjs_ICA7NVfgqrux_10291240606133530.js

ruxitagentjs_ICA7NVfgqrux_10291240606133530.js

141 ms

quantum_core.lc-6bf35997659a78b75b6e736d24aca8ca-lc.min.css

quantum_core.lc-6bf35997659a78b75b6e736d24aca8ca-lc.min.css

38 ms

head.lc-80ed2de2ffd004ba18e8645900bd0a8d-lc.min.css

head.lc-80ed2de2ffd004ba18e8645900bd0a8d-lc.min.css

47 ms

head.lc-d83a16caf73b2529df6b4471b64ac3c0-lc.min.js

head.lc-d83a16caf73b2529df6b4471b64ac3c0-lc.min.js

189 ms

launch-8c0f5c64e1e5.min.js

launch-8c0f5c64e1e5.min.js

37 ms

customcolor.gmparts.na.us.en.1699459672.css

customcolor.gmparts.na.us.en.1699459672.css

37 ms

global-nav.gm-parts-us-en.js

global-nav.gm-parts-us-en.js

254 ms

table_builder.lc-fffbee988507e1a7f854d0827fad1d73-lc.min.css

table_builder.lc-fffbee988507e1a7f854d0827fad1d73-lc.min.css

81 ms

vendor.lc-b03b194e64a1daf7fac44d42c92acf5f-lc.min.js

vendor.lc-b03b194e64a1daf7fac44d42c92acf5f-lc.min.js

87 ms

base.lc-325e8f1e5d3f5d2ba0609701cdad1ab9-lc.min.js

base.lc-325e8f1e5d3f5d2ba0609701cdad1ab9-lc.min.js

58 ms

mod.lc-9e4ca2ecbcc05c4b19dbcbc1398cbd08-lc.min.js

mod.lc-9e4ca2ecbcc05c4b19dbcbc1398cbd08-lc.min.js

72 ms

table_builder.lc-cfcef7687b3b191122abaeac85a148b9-lc.min.js

table_builder.lc-cfcef7687b3b191122abaeac85a148b9-lc.min.js

87 ms

quantum_video_brightcove.lc-607399adbaa5a6b4fcf6c535b058bbd7-lc.min.css

quantum_video_brightcove.lc-607399adbaa5a6b4fcf6c535b058bbd7-lc.min.css

95 ms

quantum_video_brightcove.lc-f3b9bf21f2670af08f051bb9fafeb84a-lc.min.js

quantum_video_brightcove.lc-f3b9bf21f2670af08f051bb9fafeb84a-lc.min.js

126 ms

foot.lc-850a5101cdc35cfc309a40539d9a3aaa-lc.min.js

foot.lc-850a5101cdc35cfc309a40539d9a3aaa-lc.min.js

114 ms

quantum_core.lc-b5c4847a78f7feceffca23d44f97a16a-lc.min.js

quantum_core.lc-b5c4847a78f7feceffca23d44f97a16a-lc.min.js

107 ms

H9LXM-5MPGP-YWB8G-YGMST-ARFLC

H9LXM-5MPGP-YWB8G-YGMST-ARFLC

120 ms

gmgp-acdelco-dual-logo-reversed-l-xl.svg

gmgp-acdelco-dual-logo-reversed-l-xl.svg

122 ms

searchWhite.svg

searchWhite.svg

82 ms

gmgp-gm-oe-icon.svg

gmgp-gm-oe-icon.svg

156 ms

gmgp-aftermarket-icon.svg

gmgp-aftermarket-icon.svg

112 ms

gmgp-collision-icon.svg

gmgp-collision-icon.svg

83 ms

gmgp-maintenance-icon.svg

gmgp-maintenance-icon.svg

153 ms

gmgp-repair-icon.svg

gmgp-repair-icon.svg

86 ms

gmgp-powertrain-icon.svg

gmgp-powertrain-icon.svg

84 ms

gmgp-chevy-performance-icon.svg

gmgp-chevy-performance-icon.svg

110 ms

placeholder_clear100x1.png

placeholder_clear100x1.png

113 ms

gmp-homepage-gmgenuineparts-acdelco-logo-asset-376x56.svg

gmp-homepage-gmgenuineparts-acdelco-logo-asset-376x56.svg

114 ms

gmgp-engine-graphic-l-xl.svg

gmgp-engine-graphic-l-xl.svg

117 ms

gmgp-filters-graphic-l-xl.svg

gmgp-filters-graphic-l-xl.svg

116 ms

gmgp-chemicals-fluids-graphic-l-xl.svg

gmgp-chemicals-fluids-graphic-l-xl.svg

133 ms

gmgp-ignition-parts-graphic-l-xl.svg

gmgp-ignition-parts-graphic-l-xl.svg

132 ms

gmgp-battery-accessories-graphic-l-xl.svg

gmgp-battery-accessories-graphic-l-xl.svg

134 ms

gmgp-transmission-graphic-l-xl.svg

gmgp-transmission-graphic-l-xl.svg

128 ms

gmgp-steering-suspension-graphic-l-xl.svg

gmgp-steering-suspension-graphic-l-xl.svg

143 ms

gmgp-heat-ac-graphic-l-xl.svg

gmgp-heat-ac-graphic-l-xl.svg

144 ms

gmgp-wheels-graphic-l-xl.svg

gmgp-wheels-graphic-l-xl.svg

144 ms

gmgp-electrical-graphic-l-xl.svg

gmgp-electrical-graphic-l-xl.svg

141 ms

gmgp-brake-system-graphic-l-xl.svg

gmgp-brake-system-graphic-l-xl.svg

203 ms

gmgp-bumpers-fascias-graphic-l-xl.svg

gmgp-bumpers-fascias-graphic-l-xl.svg

240 ms

gm-why-gmgp-acd-standard-l-xl.jpg

gm-why-gmgp-acd-standard-l-xl.jpg

260 ms

gmgp-facebook-icon.svg

gmgp-facebook-icon.svg

239 ms

gmgp-x-icon.svg

gmgp-x-icon.svg

166 ms

gmgp-instagram-icon.svg

gmgp-instagram-icon.svg

167 ms

gmgp-youtube-icon.svg

gmgp-youtube-icon.svg

182 ms

gmgp-ad-choices-icon.svg

gmgp-ad-choices-icon.svg

193 ms

privacyoptions.svg

privacyoptions.svg

201 ms

gmgp-prop-65-warning-icon.svg

gmgp-prop-65-warning-icon.svg

272 ms

overpass-regular.woff

overpass-regular.woff

180 ms

overpass-bold.woff

overpass-bold.woff

199 ms

overpass-extrabold.woff

overpass-extrabold.woff

199 ms

config.json

config.json

69 ms

sales-force-chat.js

sales-force-chat.js

39 ms

Accessibility Review

m.acdelco.com accessibility score

90

Accessibility Issues

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Buttons do not have an accessible name

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

m.acdelco.com best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

m.acdelco.com SEO score

100

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

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 M.acdelco.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 M.acdelco.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

m.acdelco.com

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