1.7 sec in total
61 ms
1.4 sec
280 ms
Visit tva.gov now to see the best up-to-date TVA content for United States and also check out these interesting facts you probably never knew about tva.gov
Visit tva.govWe analyzed Tva.gov page load time and found that the first response time was 61 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.
tva.gov performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value27.9 s
0/100
25%
Value6.9 s
33/100
10%
Value1,060 ms
25/100
30%
Value0
100/100
15%
Value7.7 s
45/100
10%
61 ms
15 ms
44 ms
60 ms
80 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 58% of them (33 requests) were addressed to the original Tva.gov, 9% (5 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to T.sharethis.com. The less responsive or slowest element that took the longest time to load (328 ms) relates to the external source Seg.sharethis.com.
Page size can be reduced by 479.4 kB (17%)
2.9 MB
2.4 MB
In fact, the total size of Tva.gov main page is 2.9 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. 50% of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.
Potential reduce by 82.3 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 55.1 kB, which is 62% 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 82.3 kB or 92% of the original size.
Potential reduce by 23.5 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. TVA images are well optimized though.
Potential reduce by 246.0 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 246.0 kB or 58% of the original size.
Potential reduce by 127.5 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. Tva.gov needs all CSS files to be minified and compressed as it can save up to 127.5 kB or 85% of the original size.
Number of requests can be reduced by 33 (66%)
50
17
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TVA. 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 5 to 1 for CSS and as a result speed up the page load time.
tva.gov
61 ms
vgn-ext-templating-delivery.css
15 ms
contentwrx-tva-v2.js
44 ms
tva_custom.css
60 ms
bootstrap.css
80 ms
all.css
72 ms
ajax.jsp
84 ms
css
126 ms
jquery.min.js
126 ms
rtb.js
76 ms
search.js
68 ms
bootstrap.min.js
97 ms
buttons.js
94 ms
jquery.main.js
86 ms
jquery.cookie.js
93 ms
jquery.validate.min.js
86 ms
additional-methods.min.js
91 ms
jquery.maskedinput.min.js
90 ms
tva-cda.js
91 ms
tva2.js
82 ms
vquery.min.js
20 ms
ajaxlib.js
38 ms
wem-ajax-min.js
38 ms
wem-messaging-min.js
37 ms
vcm32266.js
39 ms
analytics.js
176 ms
logo.png
152 ms
getAllAppDefault.esi
59 ms
TVAC0261_2048X820_MARQUEE_BillMcElvain-2.jpg
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sicklefin-hero-15827354371_001227fb00_o.jpg
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Browns%20Ferry%20-%20Cooling%20Tower%20Project%20-%20May%202011_0350.jpg
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lake-levels_fish-5704.jpg
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power_RaccoonMountain.jpg
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saving-energy_eScore_Inspection_476.jpg
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rec_biking-0809.jpg
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landandshore_Shoreline-Construction.jpg
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Diversity.jpg
81 ms
69.js
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2UX7WLTfW3W8TclTUvlFyQ.woff
84 ms
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99 ms
Hgo13k-tfSpn0qi1SFdUfT8E0i7KZn-EPnyo3HZu7kw.woff
116 ms
vzIUHo9z-oJ4WgkpPOtg1_esZW2xOQ-xsNqO47m55DA.woff
131 ms
d-6IYplOFocCacKzxwXSOD8E0i7KZn-EPnyo3HZu7kw.woff
131 ms
icomoon.woff
62 ms
collect
19 ms
getSegment.php
328 ms
t.dhj
31 ms
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13 ms
hbpix
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s-3271.xgi
8 ms
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xrefid.xgi
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img;m=11022203137504;cache=
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rtb.jsp
231 ms
kiron.js
10 ms
tva.gov accessibility score
tva.gov 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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
tva.gov SEO score
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 Tva.gov 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 Tva.gov 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.
tva.gov
Open Graph description is not detected on the main page of TVA. 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: