7 sec in total
1.8 sec
4.8 sec
423 ms
Welcome to iasv.ru homepage info - get ready to check Iasv best content for Russia right away, or after learning these important things about iasv.ru
Литература по строительству, архитектуре, строительным технологиям. Справочная литература по строительству и проектированию. Интернет магазин строительной литературы. Издание книг
Visit iasv.ruWe analyzed Iasv.ru page load time and found that the first response time was 1.8 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
iasv.ru performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value3.6 s
61/100
25%
Value5.9 s
48/100
10%
Value1,620 ms
12/100
30%
Value0.037
100/100
15%
Value10.9 s
21/100
10%
1823 ms
844 ms
415 ms
288 ms
294 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that 43% of them (33 requests) were addressed to the original Iasv.ru, 14% (11 requests) were made to W.uptolike.com and 7% (5 requests) were made to Mc.yandex.ru. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Iasv.ru.
Page size can be reduced by 412.7 kB (46%)
895.8 kB
483.2 kB
In fact, the total size of Iasv.ru main page is 895.8 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 411.7 kB which makes up the majority of the site volume.
Potential reduce by 149.3 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 22.1 kB, which is 13% 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 149.3 kB or 86% of the original size.
Potential reduce by 36.7 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. Iasv images are well optimized though.
Potential reduce by 123.3 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 123.3 kB or 65% of the original size.
Potential reduce by 103.4 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. Iasv.ru needs all CSS files to be minified and compressed as it can save up to 103.4 kB or 85% of the original size.
Number of requests can be reduced by 30 (48%)
63
33
The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iasv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
iasv.ru
1823 ms
jquery.js
844 ms
common.js
415 ms
reset.css
288 ms
text.css
294 ms
960.css
434 ms
styles.css
1107 ms
18886.js
253 ms
post.gif
710 ms
jquery.treeview.css
409 ms
iasvlogo.jpg
566 ms
shop622.jpg
327 ms
shop636.jpg
421 ms
shop760.jpg
468 ms
shop789.jpg
564 ms
shop793.jpg
584 ms
shop794.jpg
605 ms
shop797.jpg
613 ms
shop798.jpg
705 ms
shop800.jpg
724 ms
3_1_E0E0E0FF_C0C0C0FF_0_pageviews
236 ms
zp.js
655 ms
shop801.jpg
594 ms
shop803.jpg
601 ms
shop804.jpg
616 ms
shop805.jpg
705 ms
shop806.jpg
733 ms
shop807.jpg
733 ms
shop808.jpg
747 ms
download.gif
776 ms
aci.js
283 ms
rating_4_0.jpg
408 ms
rotaban.js
274 ms
uptolike.js
312 ms
watch.js
192 ms
sc_headerbg.jpg
606 ms
sc_headershadow.png
275 ms
widgets.js
33 ms
99 ms
190 ms
Book.jpg
325 ms
shop_hit.png
158 ms
sc_footerbg107.png
156 ms
sc_upbutton.png
160 ms
hit
259 ms
button.0308b81ff1714e446f674b5b9793f2cd.js
22 ms
follow_button.b9740740e0bcf9b0657c5b11bd4388da.ru.html
28 ms
watch.js
480 ms
263 ms
1dd7057a54a040b89c557a3d9e856692.js
253 ms
stat.php
398 ms
jot
95 ms
version.js
158 ms
hit
129 ms
widgetsModule.js
315 ms
match
208 ms
save_c.php
182 ms
track.js
199 ms
advert.gif
91 ms
share-counter.html
166 ms
impression.html
311 ms
track.js
280 ms
top-bottom.png
271 ms
1
91 ms
icomoon.svg
442 ms
icomoon.woff
304 ms
23414332
92 ms
widgets-batch.js
207 ms
track.gif
196 ms
sync
312 ms
extra.js
158 ms
pixel
19 ms
373 ms
pixel
19 ms
match
100 ms
sync
156 ms
iasv.ru accessibility score
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
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
iasv.ru 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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Page has valid source maps
iasv.ru SEO score
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
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
RU
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iasv.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian 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 Iasv.ru 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.
iasv.ru
Open Graph description is not detected on the main page of Iasv. 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: