32.6 sec in total
1 sec
21.3 sec
10.2 sec
Welcome to jacobs.com homepage info - get ready to check Jacobs best content for United States right away, or after learning these important things about jacobs.com
At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational adva...
Visit jacobs.comWe analyzed Jacobs.com page load time and found that the first response time was 1 sec and then it took 31.6 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.
jacobs.com performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value4.6 s
34/100
25%
Value13.8 s
1/100
10%
Value15,190 ms
0/100
30%
Value0.401
25/100
15%
Value35.4 s
0/100
10%
1027 ms
940 ms
1012 ms
939 ms
1600 ms
Our browser made a total of 81 requests to load all elements on the main page. We found that 78% of them (63 requests) were addressed to the original Jacobs.com, 7% (6 requests) were made to Google.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (7.5 sec) relates to the external source Invest.jacobs.com.
Page size can be reduced by 3.0 MB (16%)
18.6 MB
15.6 MB
In fact, the total size of Jacobs.com main page is 18.6 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. 85% 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 15.2 MB which makes up the majority of the site volume.
Potential reduce by 41.7 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 13.2 kB, which is 27% 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 41.7 kB or 84% of the original size.
Potential reduce by 182.2 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. Jacobs images are well optimized though.
Potential reduce by 2.2 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 2.2 MB or 82% of the original size.
Potential reduce by 577.3 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. Jacobs.com needs all CSS files to be minified and compressed as it can save up to 577.3 kB or 86% of the original size.
Number of requests can be reduced by 35 (47%)
74
39
The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jacobs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
jacobs.com
1027 ms
preloader.css
940 ms
bootstrap.min.css
1012 ms
animate.css
939 ms
ionicons.css
1600 ms
lightGallery.css
936 ms
YTPlayer.css
1476 ms
slideshow.css
1430 ms
utility.css
1431 ms
style.css
1462 ms
jacobs.css
1568 ms
css
2104 ms
jquery.fancybox.css
1565 ms
api.js
2181 ms
jquery.min.js
1866 ms
bootstrap.min.js
1867 ms
plugins.min.js
1867 ms
main.js
1867 ms
jquery.lazy.js
1866 ms
jquery.fancybox.pack.js
1921 ms
jacobs-apply-for-a-job.js
1956 ms
underscore.js
1957 ms
jquery.waypoints.min.js
1751 ms
backbone.js
1750 ms
jacobs.js
1749 ms
ga.js
1436 ms
ScriptResource.axd
1436 ms
pr.js
1436 ms
in.js
1486 ms
cse.js
1074 ms
recaptcha__en.js
1585 ms
cse.js
4697 ms
analytics.js
2057 ms
mobile-menu.png
672 ms
mobile-search.png
581 ms
mobile-pin.png
670 ms
logob.png
670 ms
App-Store-Icon.png
670 ms
Google-Play-Icon.png
670 ms
nav_calloutbg.png
1161 ms
navDiag.png
1161 ms
6090.js
1143 ms
842088d0-1ae2-40d0-8561-3c95761ba7a6.woff
1122 ms
aef05e22-e1d4-4e59-bc2e-a71c13c26cca.woff
32 ms
collect
52 ms
mainHomepageBAi360.jpg
236 ms
mainHomepageCampbell.jpg
861 ms
mainHomepageLC.jpg
862 ms
mainHomepageSR73NB2.jpg
861 ms
mainHomepageEastmanChemical.jpg
609 ms
mainHomepageFDA.jpg
852 ms
mainHomepageBP.jpg
878 ms
mainHomepageOCP.jpg
877 ms
mainHomepageCodelco.jpg
944 ms
mainHomepageYellowRiver.jpg
943 ms
mainHomepageSADRC.jpg
1003 ms
mainHomepageHighwaysAgency.jpg
971 ms
arrowUp.png
943 ms
footerApply2.png
877 ms
footer-apply-for-a-job.png
1004 ms
footerSustainability.png
1004 ms
footer-sustainability.png
672 ms
footerNews.png
671 ms
footer-news.jpg
671 ms
default.gif
671 ms
c74505d5-13e8-47ed-94a8-630aab4da3e6.ttf
147 ms
b785b1cf-24fa-44c9-8c93-d8e2d6912c47.ttf
157 ms
secureAnonymousFramework
6438 ms
GetPressReleaseList
7483 ms
jsapi
6059 ms
carouselLeft.png
5271 ms
collect
2696 ms
s
2469 ms
carouselRight.png
838 ms
ajax-loader.gif
746 ms
arrowDown.png
746 ms
u
2367 ms
ionicons.ttf
1574 ms
default+en.css
61 ms
default.css
1738 ms
default+en.I.js
1917 ms
jacobs.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
[aria-hidden="true"] elements contain focusable descendents
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
Buttons do not have an accessible name
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
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
jacobs.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
Missing source maps for large first-party JavaScript
jacobs.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
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jacobs.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Jacobs.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.
jacobs.com
Open Graph description is not detected on the main page of Jacobs. 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: