2.3 sec in total
432 ms
1.7 sec
196 ms
Click here to check amazing Topbulb content for United States. Otherwise, check out these important facts you probably never knew about topbulb.com
Topbulb offers a huge inventory of light bulbs and accessories. Our motto is "For All Your Lighting Needs," and our stock of 9,000 light bulbs proves it.
Visit topbulb.comWe analyzed Topbulb.com page load time and found that the first response time was 432 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
topbulb.com performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value7.3 s
5/100
25%
Value7.5 s
27/100
10%
Value1,640 ms
12/100
30%
Value0.434
22/100
15%
Value11.3 s
19/100
10%
432 ms
194 ms
276 ms
155 ms
17 ms
Our browser made a total of 62 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Topbulb.com, 16% (10 requests) were made to Downloadable.topbulb.com and 13% (8 requests) were made to . The less responsive or slowest element that took the longest time to load (432 ms) belongs to the original domain Topbulb.com.
Page size can be reduced by 1.2 MB (56%)
2.1 MB
928.6 kB
In fact, the total size of Topbulb.com main page is 2.1 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. 70% of websites need less resources to load. Javascripts take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 69.8 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 69.8 kB or 78% of the original size.
Potential reduce by 11.4 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. Topbulb images are well optimized though.
Potential reduce by 893.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 893.0 kB or 73% of the original size.
Potential reduce by 187.4 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. Topbulb.com needs all CSS files to be minified and compressed as it can save up to 187.4 kB or 55% of the original size.
Number of requests can be reduced by 25 (51%)
49
24
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Topbulb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
www.topbulb.com
432 ms
88d998dea1420f65d4beb8dd7d1e04d2.css
194 ms
5366c70dd5a70e57102433c2b8da1389.js
276 ms
fonts.css
155 ms
166738_medal.js
17 ms
getseal
167 ms
rollover.js
22 ms
conversion.js
17 ms
3C7CC7A9B0A8222A7.css
279 ms
j.php
6 ms
widget.js
26 ms
44757217366a471aac75433a05fe50fc.css
40 ms
v.gif
4 ms
widget.css
9 ms
MasterTMS.min.js
41 ms
hotjar-34124.js
110 ms
loader.js
39 ms
logo.png
106 ms
free-shipping-95-no-stars.jpg
39 ms
topbulbcom-42117.png
104 ms
sm_ccsafe_whborder.gif
144 ms
166738_medal.gif
37 ms
vseal.gif
38 ms
Web--March-Madness-Projector-Bulbs-2016--Home.jpg
239 ms
SPIFF---St-Patricks-Day--2016.jpg
99 ms
SPIFF-Vintage-LED2-2016.jpg
101 ms
SPIFF--Projector-2016.jpg
99 ms
Automotive-SPIFF---2016.jpg
102 ms
gtm.js
37 ms
sprite.png
133 ms
loader.gif
71 ms
tags
17 ms
impl-1_22.js
44 ms
gQphUr0
28 ms
Ip5VaAh9I2g94yL2CBYPtBzy0iWgoCKBM3rfdlY4LqqRnouL5KH5fGjjyzcAnfDJfPOUvwBK8Ur8
27 ms
S+7axwXFQjPRcXyUPz+dDG0zcAnfDJfPOUvwA6O0r4
27 ms
0XFTED83nQxvP3wB0wsfzzVP+BCmFSvQ=
26 ms
Ip5VaAh9I2g94yL2CBYPtBzy0iWgoCKBM3rfdlY4LqqRnouL5KH5fGjjyzcAnfDJfPOUvwBK8Ur8
25 ms
S+7axwXFQjPRcXyUPz+dDG0zcAnfDJfPOUvwA6O0r4
25 ms
GsQhfQN4rXMy5ih0C45+Wwly8BA5IFLvh905HylZIjPJ8U6X3z+dDGl28APuHT+eYpfwExdkrs
25 ms
nmKX8BMXZK7A==
24 ms
topbulbcom-42117.js
22 ms
bat.js
45 ms
modules-1f5c71aea63f8df71401422ed80fbe5f.js
51 ms
sm_ccsafe_whborder.gif
343 ms
getseal
189 ms
analytics.js
57 ms
63 ms
i
115 ms
batch
131 ms
widget_v2.132.js
18 ms
ec.js
85 ms
105 ms
rollover.core.js
16 ms
collect
25 ms
collect
52 ms
AltSealInfo.aspx
20 ms
MP945249898a_Seal_BLX.png
111 ms
Static.aspx
61 ms
MP945249898a_Rollover.png
36 ms
2-topbulbcom-42117.css
6 ms
wcm
28 ms
topbulb.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-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
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
Document doesn't have a <title> element
Image elements do not have [alt] attributes
Links do not have a discernible name
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.
topbulb.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
Browser errors were logged to the console
Page has valid source maps
topbulb.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Document doesn't have a <title> element
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
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 Topbulb.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 Topbulb.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.
topbulb.com
Open Graph description is not detected on the main page of Topbulb. 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: