books4study.info

Tasks

Avoid using deprecated HTML tags.
Implement the viewport meta tag.

SEO

URL

Domain : books4study.info/

Character length : 17

Title

Лекции, Книги, рефераты, шпоры - Скачать бесплатно - Книги в электронном виде

Description

Книги в электронном виде - PDF, DJVU и другие форматы. Будет полезно школьникам, абитуриентам, студентам, преподавателям и просто любозначетельным читателям. Закачано уже более 5000 книг.

Keywords (meta keywords)

, Лекции, Книги, рефераты, шпоры, ebook, djvu, pdf, шпора, реферат, лекция, конспект

Error! Using “meta keywords” is meaningless in a while.

Open Graph Protocol

Error! The website does not use the OG (Open Graph) protocol.

Dublin Core

Dublin Core is not used

Underscores in the URLs

Good! No underscore (_) found in the URLs.

Search engine friendly URLs

Good! The website uses SEO friendly URLs.

Checking the robots.txt file

There is robots.txt file.

Social

Social Engagement

No info found.

Content

Doctype

Missing doctype element

Encoding

Perfect! The character encoding is set: WINDOWS-1251.

Language

We have found the language localisation: ”ru”.

Title

Лекции, Книги, рефераты, шпоры - Скачать бесплатно - Книги в электронном виде

Character length : 77

Improve! The website address (title) should be between 10 and 70 characters in length.

Text / HTML ratio

Ratio : 13%

Error! The text / HTML code ratio is under 15 percent on this website. This value shows that the website has relatively few text content.

Headings

H1	H2	H3	H4	H5	H6
1	1	0	0	0	0

Heading structure in the source code

<H1> Êíèãè â ýëåêòðîííîì âèäå
<H2> Ëåêöèè, Êíèãè, ðåôåðàòû, øïîðû

Word cloud

êíèãè8
âèäå4
äëÿ4
ýëåêòðîííîì4
html3
èíôîðìàòèêà3
äåéòåë2
net2
ìîñêâà2
ñèìîíîâè÷2
ôèçèêè2
ìàòåìàòè÷åñêîé2
http2
ñåòè2
õàéò2
æóðíàëèñòèêà2
ýêîíîìèêà2
ïñèõîëîãèÿ2
ôèçèêà2
õèìèÿ2
êîìïüþòåð2
ëåêöèè2
íà÷èíàþùèõ2
êóðñ2

Keyword matrix

word	title	descriptions	heading
êíèãè
âèäå
äëÿ
ýëåêòðîííîì
html
èíôîðìàòèêà

Two Word cloud

ýëåêòðîííîì âèäå2
êîìïüþòåð äëÿ2

404 Page

The website has no standard 404 error page.

Flash content

Good! The website does not have any flash contents.

Frame

Good! The website does not use iFrame solutions.

Images

We found 1 images on this web page.

Good! Every image has an alternative text attributes set on this website.

Technologies

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Redirection (www / not www)

Good! The web address is accessible in only one version. The www version is redirected to the version without www.

Deprecated HTML elements

Good! No deprecated HTML tags are detected.

Printability

Suggestion! Unfortunately, no printer-friendly CSS found.

Meta Tag (viewport tag, mobile devices)

Error! The meta tag named viewport is missing.

Speed test

Server response time

The server response time is fast enough.

Table layout

Error! Avoid using nested tables!

Number of HTTP resources

Number of source domains

Render blocking resources

The elements below are blocking the “above the fold” rendering.
List of render blocking javascript files

http://site.yandex.net/load/form/1/form.js

List of render blocking css files

http://books4study.info/templates/css/global.css
http://books4study.info/templates/css/style.css

Speed test – Javascript

Javascript

Good! Just a few javascript files are detected on the website.

File size of all javascript files combined

227.84KB

Javascript minifying

Great! The Javascript files are minified.

Speed test – CSS

CSS

Good! Just a few CSS files are used on this website.

File size of all css files combined

11.21KB

CSS minifying

You can save 142B (11% compression) on the analysed URL by minifying the CSS files.

By minifying http://books4study.info/templates/css/style.css you can save 142B (11% compression rate)

Speed test – Compression

Uncompressed size of the of the HTML

27.61KB

Gzip compression

Error! By using Gzip you can save 37.9KB (65% compression) on your site.

By compressing http://counter.rambler.ru/top100.jcn?1961149 you can save 37.9KB (65% compression rate)
By compressing http://tag.digitaltarget.ru/processor.js?i=194268938153982 you can save 4.5KB (67% compression rate)
By compressing https://tag.digitaltarget.ru/adcm.js you can save 1.5KB (58% compression rate)

Speed test – Browser cache

Number of static resources (image, JS, CSS)

Browser cache

The browser cache is not set correctly for all elements.

URL	Duration
http://site.yandex.net/i/form/yandex-hint.png	Expiry time is not specified
https://tag.digitaltarget.ru/adcm.js	Expiry time is not specified
http://www.google-analytics.com/ga.js	2 hours
http://ad.mail.ru/cm.gif?p=48&id=480BFB94D948BB5AB842FB7A02171710	6 hours

Speed test – Images

File size of all images combined

59.08KB

Image optimisation

You can save 654B (56% compression) by optimising the images below:

By lossless compressing the http://books4study.info/templates/images/page_bg.jpg you can save 654B (56%) data.

Links

We found a total of 227 different links.
Internal links: 221
External links: 6

External links:

Link text (anchor)	Link strength
http://traxny.net/
msk-intim
dosug-msk.info
http://prostitutkikrasnodara.net/
японская косметика интернет магазин
çäåñü

Internal links:

Link text (anchor)	Link strength
Êíèãè â ýëåêòðîííîì âèäå
Õèìèÿ
Ôèçèêà
Ãëàâíàÿ
Ïñèõîëîãèÿ
Æóðíàëèñòèêà
Ýêîíîìèêà
Àñòðîíîìèÿ (24)
1
Áèîëîãèÿ (439)
1
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Ãåîãðàôèÿ (69)
1
2
Æóðíàëèñòèêà (55)
1
2
Èíôîðìàòèêà. Êîìïüþòåðû (710)
1
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Èñòîðèÿ (67)
1
2
Ìàòåìàòèêà (827)
1
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Ïñèõîëîãèÿ (721)
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Ðàçíîå (64)
1
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Ôèçèêà (785)
1
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Ôèëîñîôèÿ (177)
1
2
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6
Õèìèÿ (225)
1
2
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7
Ýêîíîìèêà. Óïðàâëåíèå (1376)
1
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Þðèäè÷åñêèå íàóêè (234)
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7
ßçûêîçíàíèå. ßçûêè (215)
1
2
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5
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7
Ivan Fast - Êóðñ çàíÿòèé, ïî ñîçäàíèþ ñàéòà ñàìîñòîÿòåëüíî!
ÿ) - îòâåòû ê ëàáîðàòîðíîìó ïðàêòèêóìó ïî èíôîðìàòèêå
Íàòàëèÿ Àíäðååâà - Îñíîâû ýôôåêòèâíîé ðàáîòû ñ ýëåêòðîííîé ïî÷òîé. The BAT!
Ëàãóíîâ È.Ì. - Âîïðîñû ê ýêçàìåíó ÊÑÑ3
Ãîí÷àðîâ À. - Ñàìîó÷èòàëü HTML
Ïåòþøêèí À. - ÍÒÌL Ýêñïðåññêóðñ
Àëüáîâ À., Õàéò À. - Êîìïüþòåð äëÿ íà÷èíàþùèõ
Ëåâèí Äæ., Áàðîäè Ê., Ëåâèí-ßíã Ì. - Èíòåðíåò äëÿ ÷àéíèêîâ
Ìîððèñ Á. - HTML â äåéñòâèè
Ìàòðîñîâ À., Ñåðãååâ À., ×àóíèí Ì. - HTML 4.0
Õ. Äåéòåë, Ï. Äåéòåë - Êàê ïðîãðàììèðîâàòü íà C++
Âëàäèìèðîâ Â.Ñ. - Ñáîðíèê çàäà÷ ïî óðàâíåíèÿì ìàòåìàòè÷åñêîé ôèçèêè
Âëàäèìèðîâ Â.Ñ. - Óðàâíåíèÿ ìàòåìàòè÷åñêîé ôèçèêè
Ñèìîíîâè÷ Ñ. Â. - Èíôîðìàòèêà äëÿ þðèñòîâ è ýêîíîìèñòîâ
Òàíåíáàóì Ý. - Êîìïüþòåðíûå ñåòè
Âèðò Í. - Àëãîðèòìû è ñòðóêòóðû äàííûõ
Ñèìîíîâè÷ Ñ.Â. è äð. - Èíôîðìàòèêà. Áàçîâûé êóðñ
Ñåðãèåíêî À.Á. - Öèôðîâàÿ îáðàáîòêà ñèãíàëîâ
Áðîéäî Â.Ë. - Âû÷èñëèòåëüíûå ñèñòåìû, ñåòè è òåëåêîììóíèêàöèè
Àíèêèíà Á.À. - Ïðàêòèêóì ïî ëîãèñòèêå
À.Ã. Ãðÿçíîâà - Îöåíêà áèçíåñà

Website security

77.120.105.80

External hidden links

Good! No hidden external links found

Looking for eval()

Good! No eval(bas64_decode()) scripts are found

Checking for XSS vulnerability

No XSS vulnerability found

Email encryption

Good! We have not found any unencrypted email addresses.

Sites on same ip

weddingcraftstudio.ru

jc-market.ru

Icons

Favicon

Error! No favicon is found. Using favicon helps to build a better brand quicker.

Typos

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SEO report of books4study.info

Лекции, Книги, рефераты, шпоры - Скачать бесплатно - Книги в ...