1.7 sec in total
494 ms
1.1 sec
161 ms
Visit sch57.ru now to see the best up-to-date Sch 57 content for Russia and also check out these interesting facts you probably never knew about sch57.ru
Сайт Пятьдесят седьмой школы: новости, приём в школу, жизнь школы, поездки и фотографии. Статьи и книги учителей школы.
Visit sch57.ruWe analyzed Sch57.ru page load time and found that the first response time was 494 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.
sch57.ru performance score
name
value
score
weighting
Value1.6 s
94/100
10%
Value1.6 s
99/100
25%
Value2.7 s
96/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value1.6 s
100/100
10%
494 ms
139 ms
269 ms
273 ms
274 ms
Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Sch57.ru and no external sources were called. The less responsive or slowest element that took the longest time to load (494 ms) belongs to the original domain Sch57.ru.
Page size can be reduced by 83.1 kB (48%)
172.4 kB
89.3 kB
In fact, the total size of Sch57.ru main page is 172.4 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. Only 10% of websites need less resources to load. Javascripts take 101.0 kB which makes up the majority of the site volume.
Potential reduce by 5.7 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 5.7 kB or 67% of the original size.
Potential reduce by 177 B
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. Sch 57 images are well optimized though.
Potential reduce by 65.9 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 65.9 kB or 65% of the original size.
Potential reduce by 11.4 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. Sch57.ru needs all CSS files to be minified and compressed as it can save up to 11.4 kB or 81% of the original size.
We found no issues to fix!
12
12
The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sch 57. According to our analytics all requests are already optimized.
sch57.ru
494 ms
main.css
139 ms
album.css
269 ms
jquery.fancybox-1.3.4.css
273 ms
common.js
274 ms
jquery.min.js
417 ms
jquery.fancybox-1.3.4.pack.js
275 ms
pupil1-small.jpg
140 ms
pupil2-small.jpg
141 ms
pupil6-small.jpg
136 ms
pupil4-small.jpg
141 ms
pupil5-small.jpg
142 ms
pupil7-small.jpg
138 ms
sch57.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
Links do not have a discernible name
sch57.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
sch57.ru SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 valid hreflang
RU
RU
KOI8-R
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sch57.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and it matches the claimed language. Our system also found out that Sch57.ru main page’s claimed encoding is koi8-r. 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.
sch57.ru
Open Graph description is not detected on the main page of Sch 57. 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: