31.9 sec in total
177 ms
21.5 sec
10.2 sec
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Visit gmc.comWe analyzed Gmc.com page load time and found that the first response time was 177 ms and then it took 31.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
gmc.com performance score
name
value
score
weighting
Value9.6 s
0/100
10%
Value27.6 s
0/100
25%
Value46.8 s
0/100
10%
Value80,390 ms
0/100
30%
Value0.288
42/100
15%
Value116.4 s
0/100
10%
177 ms
683 ms
687 ms
315 ms
315 ms
Our browser made a total of 66 requests to load all elements on the main page. We found that 80% of them (53 requests) were addressed to the original Gmc.com, 3% (2 requests) were made to Ajax.googleapis.com and 3% (2 requests) were made to Generalmotorscorpora.tt.omtrdc.net. The less responsive or slowest element that took the longest time to load (4.8 sec) belongs to the original domain Gmc.com.
Page size can be reduced by 1.8 MB (44%)
4.2 MB
2.3 MB
In fact, the total size of Gmc.com main page is 4.2 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 1.9 MB which makes up the majority of the site volume.
Potential reduce by 98.1 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 98.1 kB or 84% of the original size.
Potential reduce by 47.4 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. GMC images are well optimized though.
Potential reduce by 1.4 MB
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 1.4 MB or 71% of the original size.
Potential reduce by 334.8 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. Gmc.com needs all CSS files to be minified and compressed as it can save up to 334.8 kB or 85% of the original size.
Number of requests can be reduced by 19 (30%)
64
45
The browser has sent 64 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 20 to 1 for JavaScripts and as a result speed up the page load time.
gmc.com
177 ms
www.gmc.com
683 ms
main.css
687 ms
t_02.css
315 ms
zipcodepopup.css
315 ms
jquery.min.js
313 ms
swfobject.js
301 ms
head.js
2277 ms
index.mrmi18nlbls.js
300 ms
index.cmslinks.js
2275 ms
zipcodepopup.js
4244 ms
mbox.js
4471 ms
usa.s_code.js
4470 ms
main.js
4825 ms
click_metrics-jQuery.js
4823 ms
target.js
144 ms
ajax
141 ms
firstevent
20 ms
standard
17 ms
GMC_Logo_93x40.png
629 ms
nav_item_background.png
597 ms
2016-gmc-savana-passenger-commercial-vehicles-flyout-240x155-01.jpg
562 ms
2017-gmc-sierra-chassis-commercial-vehicles-flyout-240x155-02.jpg
562 ms
2017-gmc-commercial-vehicles-flyout-240x155-03.jpg
561 ms
2017-gmc-acadia-co-flyout-240x155.jpg
561 ms
2016-gmc-sierra-currentoffers-nav-flyout-240x155.jpg
561 ms
2016-gmc-terrain-currentoffers-nav-flyout-240x155.jpg
558 ms
16x16_facebook.png
561 ms
instagram_logo_16x16.png
561 ms
16x16_twitter.png
532 ms
16x16_youtube.png
621 ms
2017-gmc-august-hp-masthead-terrain-1280x473.jpg
703 ms
2018-gmc-terrain-homepage-jellybean-108x70.png
639 ms
2017-gmc-canyon-homepage-jellybean-108x70.png
656 ms
2017-gmc-sierra-1500-homepage-jellybean-108x70.jpg
656 ms
2016-gmc-sierra-2500-homepage-jellybean-108x70.png
401 ms
2017-gmc-terrain-homepage-jellybean-108x70.png
402 ms
2017-gmc-acadia-denali-homepage-jellybean-108x70.png
462 ms
2017-gmc-yukon-homepage-jellybean-108x70.png
400 ms
2017-gmc-denali-line-homepage-jellybean-108x70.png
398 ms
2017-gmc-savana-passenger-homepage-jellybean-108x70.png
389 ms
2017-gmc-hp-promo-harvey-300x114.jpg
386 ms
2017-gmc-august-hp-promo-acadia-300x114.jpg
387 ms
2017-gmc-promo-shop-click-drive-300x114.jpg
447 ms
2017-gmc-promo-apply-for-credit-300x114.jpg
444 ms
2017-gmc-promo-service-300x114.jpg
443 ms
2017-gmc-promo-gmclife-summer-like-a-pro-300x114.jpg
430 ms
nav_search_glass.png
660 ms
icon_sprite.png
649 ms
StratumGMCWebRegular.woff
52 ms
StratumGMCWebMedium.woff
1079 ms
StratumGMCWebBold.woff
1078 ms
event
468 ms
s77881889611016
409 ms
tag.js
365 ms
com-gmtagging.netmng.com
3191 ms
wrapper.js
2595 ms
.callmeback_button_html.html
189 ms
btn_lyr_timer.json
172 ms
gmc_chat_now.png
149 ms
timezone_config.json
484 ms
2017-gmc-august-hp-masthead-sierra-1280x473.jpg
550 ms
2017-gmc-august-hp-masthead-acadia-1280x473.jpg
451 ms
2017-gmc-hp-masthead-power-lap-ld-1280x473.jpg
549 ms
tag
154 ms
195 ms
gmc.com accessibility score
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
button, link, and menuitem elements do not have accessible names.
[aria-hidden="true"] elements contain focusable descendents
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
gmc.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
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
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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: