664 ms in total
113 ms
322 ms
229 ms
Click here to check amazing Lighting Survey content. Otherwise, check out these important facts you probably never knew about lightingsurvey.com
Visit lightingsurvey.comWe analyzed Lightingsurvey.com page load time and found that the first response time was 113 ms and then it took 551 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.
lightingsurvey.com performance score
name
value
score
weighting
Value0.8 s
100/100
10%
Value3.5 s
65/100
25%
Value1.4 s
100/100
10%
Value430 ms
65/100
30%
Value0
100/100
15%
Value1.7 s
100/100
10%
113 ms
22 ms
7 ms
15 ms
123 ms
Our browser made a total of 20 requests to load all elements on the main page. We found that 80% of them (16 requests) were addressed to the original Lightingsurvey.com, 15% (3 requests) were made to S7.addthis.com and 5% (1 request) were made to M.addthis.com. The less responsive or slowest element that took the longest time to load (124 ms) belongs to the original domain Lightingsurvey.com.
Page size can be reduced by 292.3 kB (65%)
451.6 kB
159.3 kB
In fact, the total size of Lightingsurvey.com main page is 451.6 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. 20% of websites need less resources to load. Javascripts take 378.3 kB which makes up the majority of the site volume.
Potential reduce by 31.2 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 31.2 kB or 68% of the original size.
Potential reduce by 11.9 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. Obviously, Lighting Survey needs image optimization as it can save up to 11.9 kB or 52% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 245.3 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 245.3 kB or 65% of the original size.
Potential reduce by 3.9 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. Lightingsurvey.com needs all CSS files to be minified and compressed as it can save up to 3.9 kB or 84% of the original size.
Number of requests can be reduced by 7 (37%)
19
12
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lighting Survey. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
lightingsurvey.com
113 ms
lasi.css
22 ms
lg-share-en.gif
7 ms
addthis_widget.js
15 ms
Lighting-Audit-Services-Inc.gif
123 ms
Lighting-Audit-Services-Inc2.gif
124 ms
300lo.json
51 ms
fadebggreen.jpg
43 ms
headertl.png
44 ms
headerct.png
42 ms
headertr.png
45 ms
headercl.png
44 ms
headercr.png
43 ms
headerbl.png
44 ms
headercb.png
46 ms
headerbr.png
46 ms
member_logo_blk.gif
65 ms
IESSustainingMember.gif
66 ms
sh.8e5f85691f9aaa082472a194.html
32 ms
print.css
21 ms
lightingsurvey.com accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
lightingsurvey.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
lightingsurvey.com SEO score
EN
N/A
WINDOWS-1252
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lightingsurvey.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 Lightingsurvey.com main page’s claimed encoding is windows-1252. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
lightingsurvey.com
Open Graph description is not detected on the main page of Lighting Survey. 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: