1.8 sec in total
140 ms
1.3 sec
372 ms
Welcome to healthybuildingscience.com homepage info - get ready to check Healthy Building Science best content for United States right away, or after learning these important things about healthybuildingscience.com
San Francisco Bay Area industrial hygiene and environmental testing company for all building types. Specialty residential general contracting services.
Visit healthybuildingscience.comWe analyzed Healthybuildingscience.com page load time and found that the first response time was 140 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.
healthybuildingscience.com performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value6.9 s
6/100
25%
Value9.2 s
13/100
10%
Value6,750 ms
0/100
30%
Value0.294
41/100
15%
Value14.5 s
9/100
10%
140 ms
244 ms
103 ms
39 ms
19 ms
Our browser made a total of 79 requests to load all elements on the main page. We found that 73% of them (58 requests) were addressed to the original Healthybuildingscience.com, 10% (8 requests) were made to Fonts.gstatic.com and 6% (5 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (412 ms) belongs to the original domain Healthybuildingscience.com.
Page size can be reduced by 123.8 kB (16%)
796.6 kB
672.7 kB
In fact, the total size of Healthybuildingscience.com main page is 796.6 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. 70% of websites need less resources to load. Images take 425.3 kB which makes up the majority of the site volume.
Potential reduce by 94.8 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 94.8 kB or 82% of the original size.
Potential reduce by 6.0 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. Healthy Building Science images are well optimized though.
Potential reduce by 6.0 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.
Potential reduce by 17.1 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. Healthybuildingscience.com needs all CSS files to be minified and compressed as it can save up to 17.1 kB or 15% of the original size.
Number of requests can be reduced by 44 (64%)
69
25
The browser has sent 69 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Healthy Building Science. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 21 to 1 for CSS and as a result speed up the page load time.
healthybuildingscience.com
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healthybuildingscience.com accessibility score
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
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
Image elements do not have [alt] attributes
Links do not have a discernible name
healthybuildingscience.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
healthybuildingscience.com SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Healthybuildingscience.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 Healthybuildingscience.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.
healthybuildingscience.com
Open Graph data is detected on the main page of Healthy Building Science. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: