3.5 sec in total
539 ms
2.7 sec
206 ms
Visit costar.ru now to see the best up-to-date Costar content and also check out these interesting facts you probably never knew about costar.ru
Домен costar.ru продаётся. Цена: 75 000,00 р. Категории: Бизнес - Бизнес (другое); Товары - Товары (другое); Разное - Словарные слова (англ). Вся информация о домене в магазине доменов REG.RU.
Visit costar.ruWe analyzed Costar.ru page load time and found that the first response time was 539 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
costar.ru performance score
name
value
score
weighting
Value3.2 s
42/100
10%
Value12.9 s
0/100
25%
Value8.7 s
16/100
10%
Value3,890 ms
1/100
30%
Value0.028
100/100
15%
Value19.0 s
3/100
10%
539 ms
140 ms
1111 ms
860 ms
284 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 66% of them (39 requests) were addressed to the original Costar.ru, 8% (5 requests) were made to Pagead2.googlesyndication.com and 7% (4 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Costar.ru.
Page size can be reduced by 40.6 kB (16%)
260.0 kB
219.4 kB
In fact, the total size of Costar.ru main page is 260.0 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. 30% of websites need less resources to load. Images take 149.9 kB which makes up the majority of the site volume.
Potential reduce by 22.7 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 22.7 kB or 79% of the original size.
Potential reduce by 6.5 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. Costar images are well optimized though.
Potential reduce by 9.9 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 9.9 kB or 12% of the original size.
Potential reduce by 1.5 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. Costar.ru needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 84% of the original size.
Number of requests can be reduced by 16 (29%)
56
40
The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Costar. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
costar.ru
539 ms
main.css
140 ms
kostar-1.gif
1111 ms
Vannaya.s.jpg
860 ms
top100.cnt
284 ms
banner-88x31-rambler-blue.gif
282 ms
adsbygoogle.js
21 ms
d201s.jpg
862 ms
d-052.jpg
862 ms
d-042.jpg
865 ms
logo.jpg
280 ms
friz.jpg
390 ms
0.gif
282 ms
d.gif
283 ms
0.gif
282 ms
hit
262 ms
009s.jpg
718 ms
vid-S.jpg
2045 ms
gostinnayaS.jpg
838 ms
liv07.jpg
843 ms
4s.jpg
842 ms
kafeS.jpg
847 ms
hunter-houses.jpg
854 ms
04s.jpg
968 ms
F044s.jpg
975 ms
Rotations.jpg
975 ms
207S.jpg
982 ms
hitech-09.jpg
990 ms
klassik.S.jpg
1099 ms
panorama.S.jpg
1107 ms
bg_up.jpg
152 ms
r02s.jpg
230 ms
home-remont.jpg
248 ms
home-foto.jpg
249 ms
home-injener.jpg
261 ms
home-land-diz.jpg
291 ms
home-rekonstr.jpg
355 ms
home-diz-proj.jpg
364 ms
home-avt.-nadzor.jpg
381 ms
home-soglas.jpg
382 ms
logoru.gif
399 ms
navh.gif
440 ms
nave.gif
480 ms
navu.gif
514 ms
ca-pub-8150349005232930.js
42 ms
zrt_lookup.html
34 ms
show_ads_impl.js
50 ms
ads
350 ms
osd.js
14 ms
ads
292 ms
m_js_controller.js
17 ms
abg.js
27 ms
favicon
54 ms
googlelogo_color_112x36dp.png
47 ms
nessie_icon_tiamat_white.png
23 ms
s
13 ms
x_button_blue2.png
3 ms
counter2
134 ms
Tqng9ngJVK4Gqvh3e602hP-HqlN49KFEUSDtmrOPmWo.js
3 ms
costar.ru 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
button, link, and menuitem elements do not have accessible names.
[role]s are not contained by their required parent element
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
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
Links do not have a discernible name
costar.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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
costar.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
WINDOWS-1251
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Costar.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 Costar.ru main page’s claimed encoding is windows-1251. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
costar.ru
Open Graph description is not detected on the main page of Costar. 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: