2.6 sec in total
83 ms
1.1 sec
1.3 sec
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Visit gmc.comWe analyzed Gmc.com page load time and found that the first response time was 83 ms and then it took 2.5 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.
gmc.com performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value11.5 s
0/100
25%
Value9.2 s
13/100
10%
Value6,290 ms
0/100
30%
Value0.463
19/100
15%
Value21.8 s
1/100
10%
83 ms
99 ms
82 ms
32 ms
58 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 87% of them (48 requests) were addressed to the original Gmc.com, 11% (6 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 (634 ms) relates to the external source Brands.gm-cdn.com.
Page size can be reduced by 839.1 kB (23%)
3.6 MB
2.7 MB
In fact, the total size of Gmc.com main page is 3.6 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. Images take 2.4 MB which makes up the majority of the site volume.
Potential reduce by 221.3 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 72.3 kB, which is 31% 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 221.3 kB or 94% of the original size.
Potential reduce by 13 B
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. GMC images are well optimized though.
Potential reduce by 617.8 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 617.8 kB or 65% of the original size.
Number of requests can be reduced by 10 (24%)
42
32
The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of GMC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.
www.gmc.com
83 ms
ruxitagentjs_ICA27NVfghjqrux_10285240307101407.js
99 ms
quantum_core.min.css
82 ms
head.min.css
32 ms
head.min.js
58 ms
launch-EN808d6753430346e48400330e6d7e34e4.min.js
23 ms
customcolorcss.gmc.na.us.en.1712692255.css
41 ms
global-nav.gmc-us-en.js
479 ms
adv_grid_scroller.min.js
74 ms
vendor.min.js
312 ms
base.min.js
79 ms
mod.min.js
87 ms
foot.min.js
319 ms
sales-force-chat.js
319 ms
quantum_core.min.js
316 ms
GMC-153x28.svg
58 ms
2024-sierra-ld-denali-hp-mh-2500x1000-24PGSRLD00142-v2.jpg
45 ms
2024-sierra-ld-denali-hp-mh-1280x640-24PGSRLD00142-v2.jpg
44 ms
2024-sierrald-int-mh-1280x640.png
104 ms
2024-sierrald-int-mh-2500x1000.png
102 ms
Build-price-1-inv.svg
105 ms
Current-offers-1-inv.svg
107 ms
Search-Inventory-1-inv.svg
170 ms
Accessories-1-inv.svg
167 ms
my24-sierra-hd-at4x-reveal-contentwell3-1920x1440-24PGSRLD0003-v4.jpg
108 ms
2024-hp-opt-discover-mh-xl-l-2500x833-24PGSRLD00140-new.jpg
124 ms
mms-arrow.svg
170 ms
my26terrain-hp-tile-1280x640-MY26_Terrain_AT4_26PGTN00001_V1-disc-v2.png
163 ms
my25yukon-hp-tile-1280x640-disc-v2.png
169 ms
gmc-life-crabwalk-evs-homepage-24PGSRLD00434-v2-disclaimer.jpg
221 ms
gmc-life-denali-25-anniversary-homepage-1920x960-24PGSRLD00068.jpg
198 ms
2024-gmc-future-vehicles-homepage-canyon-at4x-1920x960-24PGCN00348.jpg
190 ms
2024-acadia-reveal-gallery-ext-2.jpg
190 ms
my-gmc-mobile-app-1000x1000-23OT_GMC_APP_0052_MPC_b-RGB.jpg
188 ms
cs-gmc-spring-tire-event-l.jpg
267 ms
24_MAY_GMCPromoTile-1000x1000.jpg
222 ms
2024-ownership-owner-account-1000x1000-24PGYK00204.jpg
224 ms
2024-gmc-homepage-sierra-hd-1000x1000-24PGSRHD00447.jpg
222 ms
2024-hp-opt-ownership-parts-xl-l-1920x1920-24PGSRLD00008_EV.jpg
266 ms
SpringShoppingToolsImage-1750x575-21PGSRHD00252.jpg
265 ms
placeholder_clear.png
267 ms
stratum-medium.woff
267 ms
stratum-medium.woff
197 ms
stratum-light.woff
304 ms
stratum-light.woff
223 ms
stratum-black.woff
303 ms
stratum-black.woff
218 ms
NotoSansKR-Regular.woff
361 ms
NotoSansKR-Regular.woff
426 ms
NotoSansKR-Medium.woff
322 ms
NotoSansKR-Medium.woff
634 ms
NotoSansKR-Bold.woff
377 ms
NotoSansKR-Bold.woff
349 ms
gmc-us-en-main-global_nav.html
72 ms
gmc-us-en-main-global_footer.html
72 ms
gmc.com accessibility score
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
Links do not have a discernible name
gmc.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
gmc.com SEO score
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gmc.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 Gmc.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.
gmc.com
Open Graph description is not detected on the main page of GMC. 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: