2.5 sec in total
217 ms
2 sec
248 ms
Visit alert-works.com now to see the best up-to-date Alert Works content and also check out these interesting facts you probably never knew about alert-works.com
Alert Works® safety devices protect your family and home by providing an advanced warning of impending danger.
Visit alert-works.comWe analyzed Alert-works.com page load time and found that the first response time was 217 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
alert-works.com performance score
name
value
score
weighting
Value3.6 s
32/100
10%
Value6.7 s
7/100
25%
Value4.3 s
76/100
10%
Value50 ms
100/100
30%
Value0.007
100/100
15%
Value5.3 s
73/100
10%
217 ms
79 ms
190 ms
143 ms
258 ms
Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Alert-works.com and no external sources were called. The less responsive or slowest element that took the longest time to load (678 ms) belongs to the original domain Alert-works.com.
Page size can be reduced by 43.0 kB (9%)
459.8 kB
416.8 kB
In fact, the total size of Alert-works.com main page is 459.8 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. 40% of websites need less resources to load. Images take 317.2 kB which makes up the majority of the site volume.
Potential reduce by 8.8 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 8.8 kB or 71% of the original size.
Potential reduce by 9.9 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. Alert Works images are well optimized though.
Potential reduce by 24.3 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 24.3 kB or 19% of the original size.
Number of requests can be reduced by 9 (24%)
38
29
The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Alert Works. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.alert-works.com
217 ms
nivo-slider.css
79 ms
jquery-ui-1.10.4.min.css
190 ms
stylesheet.css
143 ms
jquery-1.11.1.min.js
258 ms
jquery-ui-1.10.4.min.js
371 ms
jquery.nivo.slider.js
246 ms
ddmenu.js
185 ms
jquery.photoset-grid.min.js
279 ms
colorbox.css
280 ms
jquery.colorbox-min.js
283 ms
960_24_col.css
347 ms
homepage-bg.jpg
82 ms
logo_alertworks.png
175 ms
search-bg.gif
81 ms
cart-icon.gif
89 ms
weather-icon.png
113 ms
wildfire-icon.png
79 ms
tornado-icon.png
118 ms
biohazard-icon.png
155 ms
water-icon.png
198 ms
slider-fade.png
226 ms
slide1.jpg
302 ms
slide2.jpg
280 ms
slide3.jpg
316 ms
slide4.jpg
334 ms
ear_thumb1.png
295 ms
ear_thumb2.png
378 ms
ear_thumb3.png
382 ms
footer-bg.jpg
400 ms
app.gif
393 ms
bbb.gif
406 ms
overlay.png
423 ms
opensans-regular.woff
538 ms
raleway-bold.woff
522 ms
opensans-semibold.woff
571 ms
shadowsintolight.woff
531 ms
raleway-medium.woff
678 ms
www.alert-works.com
109 ms
www.alert-works.com
107 ms
www.alert-works.com
92 ms
www.alert-works.com
100 ms
www.alert-works.com
98 ms
www.alert-works.com
98 ms
alert-works.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.
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
Form elements do not have associated labels
alert-works.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
alert-works.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
Image elements do not have [alt] attributes
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
N/A
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Alert-works.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Alert-works.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.
alert-works.com
Open Graph description is not detected on the main page of Alert Works. 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: