8.3 sec in total
3.5 sec
4.6 sec
178 ms
Welcome to leveehandbook.net homepage info - get ready to check Leveehandbook best content right away, or after learning these important things about leveehandbook.net
Website leveehandbook.net - Các tin nóng hổi hằng ngày đến tay bạn đọc, theo dõi để luôn có thông tin mới
Visit leveehandbook.netWe analyzed Leveehandbook.net page load time and found that the first response time was 3.5 sec and then it took 4.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
leveehandbook.net performance score
name
value
score
weighting
Value3.8 s
28/100
10%
Value4.1 s
48/100
25%
Value5.7 s
50/100
10%
Value50 ms
100/100
30%
Value0.237
52/100
15%
Value4.4 s
83/100
10%
3495 ms
113 ms
10 ms
180 ms
176 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 98% of them (53 requests) were addressed to the original Leveehandbook.net, 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Leveehandbook.net.
Page size can be reduced by 99.6 kB (20%)
498.6 kB
399.0 kB
In fact, the total size of Leveehandbook.net main page is 498.6 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. Images take 425.9 kB which makes up the majority of the site volume.
Potential reduce by 10.4 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 1.7 kB, which is 12% 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 10.4 kB or 74% of the original size.
Potential reduce by 38.0 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. Leveehandbook images are well optimized though.
Potential reduce by 11.3 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 11.3 kB or 79% of the original size.
Potential reduce by 39.9 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. Leveehandbook.net needs all CSS files to be minified and compressed as it can save up to 39.9 kB or 90% of the original size.
Number of requests can be reduced by 11 (21%)
53
42
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Leveehandbook. 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.
leveehandbook.net
3495 ms
main.css
113 ms
jquery.min.js
10 ms
fadeSlideShow.js
180 ms
ILH-logo.jpg
176 ms
Bloc-marque.jpg
174 ms
LogoCemagref.jpg
209 ms
LOGO_cetmef.jpg
208 ms
IWD.jpg
209 ms
Logo-LWI.jpg
263 ms
RWTH.jpg
262 ms
DELTARES.jpg
261 ms
logo-Fugro.jpg
268 ms
grontmij.jpg
269 ms
stowalogo.jpg
277 ms
ATKINS_logo.jpg
348 ms
bam_nuttall.jpg
346 ms
Black-Veatch.jpg
351 ms
CIRIA-logo.jpg
356 ms
EA-logo.jpg
358 ms
halcrow.jpg
362 ms
HR_Wallingford_logo.jpg
434 ms
ice-logo.jpg
427 ms
mottmac.jpg
455 ms
opus-logo.jpg
457 ms
opw.jpg
457 ms
royal-haskoning.jpg
866 ms
DHS-logo.jpg
508 ms
NCLS-logo.jpg
518 ms
USACE_Logo.jpg
538 ms
bg_fade2.jpg
424 ms
home32x32.png
425 ms
nav-bg-grey.jpg
470 ms
bullet2.gif
481 ms
first-tab.jpg
499 ms
tab2a.jpg
513 ms
last-tab2.jpg
511 ms
slideshow5.jpg
679 ms
compendium-of-good-practice.jpg
684 ms
left-shadow.png
577 ms
right-shadow.png
577 ms
banner-shadow.jpg
547 ms
leftnav-bg.gif
625 ms
button_bg.jpg
628 ms
line.gif
630 ms
table_bg.gif
635 ms
bottom-shadow.png
635 ms
left-corner.jpg
653 ms
right-corner.jpg
655 ms
slideshow2.jpg
823 ms
slideshow3.jpg
760 ms
slideshow4.jpg
721 ms
slideshow.jpg
723 ms
loading.gif
646 ms
leveehandbook.net 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
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.
leveehandbook.net 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
leveehandbook.net 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
VI
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Leveehandbook.net can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese 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 Leveehandbook.net 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.
leveehandbook.net
Open Graph description is not detected on the main page of Leveehandbook. 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: