lektsii.org Website Information

Daily Unique Visits: 1,306

Daily Page Views: 2,612

Income Per Day: $8

Estimated Value: $1,920

This website is located in France and is using following IP address 217.182.149.81. See the complete list of popular websites hosted in France.

lektsii.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.

Website lektsii.org is using the following name servers:

ns1.reg.ru
ns2.reg.ru

and is probably hosted by CLOUDFLARENET - Cloudflare, Inc., US. See the full list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

The highest website lektsii.org position in Alexa rank database was 466757 and the lowest rank position was 594818. Current position of lektsii.org in Alexa rank database is 549158.

Desktop speed score of lektsii.org (78/100) is better than the results of 65.98% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of lektsii.org (83/100) is better than the results of 26.4% of other sites and means that the page is mobile-friendly.

Mobile speed score of lektsii.org (77/100) is better than the results of 86.05% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

lektsii.org Alexa Rank

The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.

lektsii.org whois

WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.

Domain Name: LEKTSII.ORG
Registry Domain ID: D175105556-LROR
Registrar WHOIS Server: whois.reg.com
Registrar URL: http://www.reg.com
Updated Date: 2021-11-09T20:29:52Z
Creation Date: 2015-01-24T10:26:20Z
Registry Expiry Date: 2023-01-24T10:26:20Z
Registrar Registration Expiration Date:
Registrar: Registrar of Domain Names REG.RU LLC
Registrar IANA ID: 1606
Registrar Abuse Contact Email: abuse@reg.ru
Registrar Abuse Contact Phone: +7.4955801111
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization: Privacy Protection
Registrant State/Province:
Registrant Country: RU
Name Server: NS1.REG.RU
Name Server: NS2.REG.RU
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-04-02T17:59:33Z

lektsii.org server information

Servers Location

lektsii.org desktop page speed rank

Last tested: 2018-07-03

Desktop Speed Medium

78/100

lektsii.org Desktop Speed Test Quick Summary

priority - 16Optimize images

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priority - 5Enable compression

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priority - 3Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://konspekta.net/lektsiiorgimg/baza1/949075550363.files/image013.png (expiration not specified)
https://konspekta.net/lektsiiorgimg/baza10/803721513269.files/image019.jpg (expiration not specified)
https://konspekta.net/lektsiiorgimg/baza6/5305401627771.files/image005.jpg (expiration not specified)
https://site.yandex.net/v2.0/i/yandex-hint-rb.png (expiration not specified)
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priority - 2Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://lektsii.org/css/style.css

lektsii.org Desktop Resource Breakdown

Total Resources	20
Number of Hosts	7
Static Resources	14
JavaScript Resources	6
CSS Resources	1

lektsii.org mobile page speed rank

Last tested: 2018-07-03

Mobile Speed Medium

77/100

lektsii.org Mobile Speed Test Quick Summary

priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 1 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://lektsii.org/css/style.css

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 61% of the final above-the-fold content could be rendered with the full HTML response.

Click to see the screenshot with only the HTML response:

priority - 7Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

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priority - 3Optimize images

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Optimize the following images to reduce their size by 28.3KiB (70% reduction).

Compressing https://lektsii.org/img/i.jpg could save 28.3KiB (70% reduction).

priority - 3Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

https://an.yandex.ru/system/context.js (60 minutes)
https://mc.yandex.ru/metrika/advert.gif (60 minutes)
https://mc.yandex.ru/metrika/watch.js (60 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)

lektsii.org Mobile Resource Breakdown

Total Resources	77
Number of Hosts	26
Static Resources	16
JavaScript Resources	15
CSS Resources	1

lektsii.org mobile page usability

Last tested: 2018-07-03

Mobile Usability Medium

83/100

lektsii.org Mobile Usability Test Quick Summary

priority - 19Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="/8-108218.html" class="vivod">Синтаксические…ого стиля речи</a> and 107 others are close to other tap targets.

The tap target <yatag class="x978b482e qc485f4fd"></yatag> and 1 others are close to other tap targets.
The tap target <yatag class="ra2f35dc2 p644597fa">[Цены на услуги]</yatag> and 3 others are close to other tap targets.
The tap target <a href="/Astronomia/" class="aleft">Астрономия</a> and 31 others are close to other tap targets.

lektsii.org HTML validation

Errors

Malformed byte sequence: “cb”.

Line: 16 Column: - 36
"......" Line: 28 Column: - 8
"......" Line: 104 Column: - 87
"......" Line: 134 Column: - 472
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"......"

Malformed byte sequence: “e5”.

Line: 16 Column: - 37
"......" Line: 16 Column: - 63
"......" Line: 16 Column: - 78
"......" Line: 20 Column: - 33
"......" Line: 20 Column: - 41
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"......"

Malformed byte sequence: “ea”.

Line: 16 Column: - 38
"......" Line: 16 Column: - 54
"......" Line: 20 Column: - 34
"......" Line: 20 Column: - 51
"......" Line: 20 Column: - 71
"......" Line: 20 Column: - 107
"......" Line: 21 Column: - 44
"......" Line: 21 Column: - 64
"......" Line: 22 Column: - 51
"......" Line: 22 Column: - 71
"......" Line: 28 Column: - 10
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"......" Line: 104 Column: - 89
"......" Line: 127 Column: - 218
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"......" Line: 142 Column: - 42
"......" Line: 142 Column: - 58
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"......" Line: 142 Column: - 158
"......"

Malformed byte sequence: “f6”.

Line: 16 Column: - 39
"......" Line: 16 Column: - 56
"......" Line: 20 Column: - 35
"......" Line: 21 Column: - 45
"......" Line: 21 Column: - 95
"......" Line: 22 Column: - 52
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"......" Line: 28 Column: - 11
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"......" Line: 104 Column: - 90
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"......" Line: 141 Column: - 261
"......" Line: 142 Column: - 43
"......" Line: 142 Column: - 60
"......" Line: 142 Column: - 125
"......"

Malformed byte sequence: “e8”.

Line: 16 Column: - 40
"......" Line: 16 Column: - 41
"......" Line: 16 Column: - 53
"......" Line: 16 Column: - 57
"......" Line: 16 Column: - 65
"......" Line: 16 Column: - 80
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"......" Line: 20 Column: - 37
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"......" Line: 21 Column: - 36
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"......" Line: 22 Column: - 43
"......" Line: 22 Column: - 53
"......" Line: 22 Column: - 54
"......" Line: 22 Column: - 82
"......" Line: 22 Column: - 100
"......" Line: 22 Column: - 103
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"......" Line: 28 Column: - 12
"......" Line: 28 Column: - 13
"......" Line: 28 Column: - 25
"......" Line: 28 Column: - 29
"......" Line: 28 Column: - 37
"......" Line: 28 Column: - 52
"......" Line: 104 Column: - 91
"......" Line: 104 Column: - 92
"......" Line: 127 Column: - 216
"......" Line: 127 Column: - 842
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"......" Line: 141 Column: - 276
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"......" Line: 142 Column: - 44
"......" Line: 142 Column: - 45
"......" Line: 142 Column: - 57
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"......" Line: 142 Column: - 69
"......" Line: 142 Column: - 84
"......" Line: 142 Column: - 126
"......" Line: 142 Column: - 127
"......"

Malformed byte sequence: “ce”.

Line: 16 Column: - 43
"......" Line: 28 Column: - 15
"......" Line: 104 Column: - 94
"......" Line: 134 Column: - 734
"......" Line: 140 Column: - 212
"......" Line: 142 Column: - 47
"......" Line: 142 Column: - 129
"......"

Malformed byte sequence: “f0”.

Line: 16 Column: - 44
"......" Line: 16 Column: - 64
"......" Line: 20 Column: - 53
"......" Line: 20 Column: - 77
"......" Line: 20 Column: - 81
"......" Line: 20 Column: - 90
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"......" Line: 134 Column: - 1675
"......" Line: 139 Column: - 189
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"......" Line: 141 Column: - 266
"......" Line: 142 Column: - 48
"......" Line: 142 Column: - 68
"......" Line: 142 Column: - 100
"......" Line: 142 Column: - 130
"......" Line: 142 Column: - 145
"......"

Malformed byte sequence: “e3”.

Line: 16 Column: - 45
"......" Line: 28 Column: - 17
"......" Line: 104 Column: - 96
"......" Line: 131 Column: - 21
"......" Line: 134 Column: - 97
"......" Line: 134 Column: - 148
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"......" Line: 141 Column: - 198
"......" Line: 141 Column: - 204
"......" Line: 142 Column: - 49
"......" Line: 142 Column: - 131
"......"

Malformed byte sequence: “ef”.

Line: 16 Column: - 49
"......" Line: 20 Column: - 43
"......" Line: 20 Column: - 63
"......" Line: 21 Column: - 76
"......" Line: 21 Column: - 82
"......" Line: 21 Column: - 97
"......" Line: 22 Column: - 83
"......" Line: 22 Column: - 89
"......" Line: 22 Column: - 104
"......" Line: 28 Column: - 21
"......" Line: 134 Column: - 1151
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"......" Line: 139 Column: - 229
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"......" Line: 140 Column: - 247
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"......" Line: 140 Column: - 270
"......" Line: 141 Column: - 192
"......" Line: 142 Column: - 53
"......" Line: 142 Column: - 103
"......" Line: 142 Column: - 144
"......"

Malformed byte sequence: “f3”.

Line: 16 Column: - 50
"......" Line: 16 Column: - 76
"......" Line: 20 Column: - 52
"......" Line: 21 Column: - 65
"......" Line: 22 Column: - 72
"......" Line: 28 Column: - 22
"......" Line: 28 Column: - 48
"......" Line: 134 Column: - 209
"......" Line: 134 Column: - 420
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"......" Line: 142 Column: - 54
"......" Line: 142 Column: - 80
"......" Line: 142 Column: - 164
"......" Line: 142 Column: - 168
"......" Line: 142 Column: - 173
"......"

Malformed byte sequence: “e1”.

Line: 16 Column: - 51
"......" Line: 16 Column: - 75
"......" Line: 20 Column: - 40
"......" Line: 20 Column: - 88
"......" Line: 21 Column: - 52
"......" Line: 22 Column: - 59
"......" Line: 28 Column: - 23
"......" Line: 28 Column: - 47
"......" Line: 139 Column: - 218
"......" Line: 140 Column: - 215
"......" Line: 142 Column: - 55
"......" Line: 142 Column: - 79
"......" Line: 142 Column: - 99
"......"

Malformed byte sequence: “eb”.

Line: 16 Column: - 52
"......" Line: 16 Column: - 67
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"......" Line: 20 Column: - 32
"......" Line: 20 Column: - 44
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"..., ��, �� ..." Line: 21 Column: - 98
"......" Line: 22 Column: - 49
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"......" Line: 28 Column: - 24
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"......"

Malformed byte sequence: “e0”.

Line: 16 Column: - 55
"......" Line: 16 Column: - 61
"......" Line: 16 Column: - 66
"......" Line: 16 Column: - 68
"......" Line: 20 Column: - 45
"......" Line: 20 Column: - 73
"......" Line: 20 Column: - 82
"......" Line: 20 Column: - 87
"......" Line: 20 Column: - 91
"......" Line: 20 Column: - 96
"......" Line: 20 Column: - 108
"......" Line: 21 Column: - 38
"......" Line: 21 Column: - 55
"......" Line: 21 Column: - 86
"......" Line: 21 Column: - 101
"......" Line: 21 Column: - 105
"......" Line: 21 Column: - 114
"......" Line: 22 Column: - 45
"......" Line: 22 Column: - 62
"......" Line: 22 Column: - 93
"......" Line: 22 Column: - 108
"......" Line: 22 Column: - 112
"......" Line: 22 Column: - 121
"......" Line: 28 Column: - 27
"......" Line: 28 Column: - 33
"......" Line: 28 Column: - 38
"......" Line: 28 Column: - 40
"......" Line: 127 Column: - 221
"......" Line: 127 Column: - 224
"......" Line: 127 Column: - 839
"......" Line: 131 Column: - 18
"......" Line: 134 Column: - 150
"......" Line: 134 Column: - 322
"......" Line: 134 Column: - 326
"......" Line: 134 Column: - 426
"......" Line: 134 Column: - 477
"......" Line: 134 Column: - 481
"......" Line: 134 Column: - 528
"......" Line: 134 Column: - 575
"......" Line: 134 Column: - 579
"......" Line: 134 Column: - 583
"......" Line: 134 Column: - 635
"......" Line: 134 Column: - 682
"......" Line: 134 Column: - 686
"......" Line: 134 Column: - 737
"......" Line: 134 Column: - 739
"......" Line: 134 Column: - 745
"......" Line: 134 Column: - 794
"......" Line: 134 Column: - 800
"......" Line: 134 Column: - 851
"......" Line: 134 Column: - 894
"......" Line: 134 Column: - 1052
"......" Line: 134 Column: - 1316
"......" Line: 134 Column: - 1369
"......" Line: 134 Column: - 1469
"......" Line: 134 Column: - 1623
"......" Line: 134 Column: - 1680
"......" Line: 139 Column: - 172
"......" Line: 139 Column: - 179
"......" Line: 139 Column: - 239
"......" Line: 139 Column: - 248
"......" Line: 139 Column: - 254
"......" Line: 140 Column: - 179
"......" Line: 140 Column: - 184
"......" Line: 140 Column: - 216
"......" Line: 140 Column: - 221
"......" Line: 140 Column: - 241
"......" Line: 140 Column: - 248
"......" Line: 140 Column: - 256
"......" Line: 140 Column: - 264
"......" Line: 140 Column: - 266
"......" Line: 140 Column: - 268
"......" Line: 140 Column: - 275
"......" Line: 140 Column: - 295
"......" Line: 141 Column: - 207
"......" Line: 141 Column: - 236
"......" Line: 141 Column: - 249
"......" Line: 141 Column: - 253
"......" Line: 141 Column: - 262
"......" Line: 141 Column: - 274
"......" Line: 141 Column: - 297
"......" Line: 142 Column: - 59
"......" Line: 142 Column: - 65
"......" Line: 142 Column: - 70
"......" Line: 142 Column: - 72
"......" Line: 142 Column: - 106
"......" Line: 142 Column: - 110
"......" Line: 142 Column: - 115
"......" Line: 142 Column: - 118
"......" Line: 142 Column: - 140
"......" Line: 142 Column: - 151
"......" Line: 142 Column: - 159
"......"

Malformed byte sequence: “ff”.

Line: 16 Column: - 58
"......" Line: 16 Column: - 72
"......" Line: 16 Column: - 81
"......" Line: 20 Column: - 97
"......" Line: 28 Column: - 30
"......" Line: 28 Column: - 44
"......" Line: 28 Column: - 53
"......" Line: 134 Column: - 47
"......" Line: 134 Column: - 99
"......" Line: 134 Column: - 153
"......" Line: 134 Column: - 214
"......" Line: 134 Column: - 376
"......" Line: 134 Column: - 952
"......" Line: 134 Column: - 1001
"......" Line: 134 Column: - 1109
"......" Line: 134 Column: - 1269
"......" Line: 134 Column: - 1423
"......" Line: 134 Column: - 1518
"......" Line: 134 Column: - 1570
"......" Line: 139 Column: - 182
"......" Line: 140 Column: - 217
"......" Line: 140 Column: - 260
"......" Line: 140 Column: - 277
"......" Line: 141 Column: - 185
"......" Line: 141 Column: - 201
"......" Line: 141 Column: - 237
"......" Line: 141 Column: - 254
"......" Line: 142 Column: - 62
"......" Line: 142 Column: - 76
"......" Line: 142 Column: - 85
"......" Line: 142 Column: - 154
"......"

Malformed byte sequence: “ec”.

Line: 16 Column: - 60
"......" Line: 20 Column: - 66
"......" Line: 20 Column: - 100
"......" Line: 21 Column: - 79
"......" Line: 21 Column: - 90
"......" Line: 21 Column: - 102
"......" Line: 21 Column: - 111
"......" Line: 22 Column: - 86
"......" Line: 22 Column: - 97
"......" Line: 22 Column: - 109
"......" Line: 22 Column: - 118
"......" Line: 28 Column: - 32
"......" Line: 134 Column: - 45
"......" Line: 134 Column: - 321
"......" Line: 134 Column: - 578
"......" Line: 134 Column: - 1516
"......" Line: 134 Column: - 1620
"......" Line: 140 Column: - 233
"......" Line: 140 Column: - 255
"......" Line: 140 Column: - 283
"......" Line: 140 Column: - 298
"......" Line: 142 Column: - 64
"......" Line: 142 Column: - 163
"......" Line: 142 Column: - 178
"......"

Malformed byte sequence: “f2”.

Line: 16 Column: - 62
"......" Line: 20 Column: - 46
"......" Line: 20 Column: - 83
"......" Line: 20 Column: - 92
"......" Line: 20 Column: - 102
"......" Line: 21 Column: - 37
"......" Line: 21 Column: - 39
"......" Line: 21 Column: - 56
"......" Line: 21 Column: - 116
"......" Line: 22 Column: - 44
"......" Line: 22 Column: - 46
"......" Line: 22 Column: - 63
"......" Line: 22 Column: - 123
"......" Line: 28 Column: - 34
"......" Line: 127 Column: - 226
"......" Line: 127 Column: - 841
"......" Line: 131 Column: - 19
"......" Line: 134 Column: - 40
"......" Line: 134 Column: - 264
"......" Line: 134 Column: - 269
"......" Line: 134 Column: - 323
"......" Line: 134 Column: - 372
"......" Line: 134 Column: - 423
"......" Line: 134 Column: - 474
"......" Line: 134 Column: - 478
"......" Line: 134 Column: - 576
"......" Line: 134 Column: - 580
"......" Line: 134 Column: - 741
"......" Line: 134 Column: - 848
"......" Line: 134 Column: - 1047
"......" Line: 134 Column: - 1154
"......" Line: 134 Column: - 1203
"......" Line: 134 Column: - 1207
"......" Line: 134 Column: - 1212
"......" Line: 134 Column: - 1322
"......" Line: 134 Column: - 1674
"......" Line: 139 Column: - 188
"......" Line: 139 Column: - 226
"......" Line: 140 Column: - 244
"......" Line: 140 Column: - 258
"......" Line: 140 Column: - 273
"......" Line: 140 Column: - 281
"......" Line: 140 Column: - 296
"......" Line: 141 Column: - 217
"......" Line: 141 Column: - 228
"......" Line: 141 Column: - 232
"......" Line: 141 Column: - 272
"......" Line: 141 Column: - 286
"......" Line: 141 Column: - 289
"......" Line: 141 Column: - 294
"......" Line: 142 Column: - 66
"......" Line: 142 Column: - 111
"......" Line: 142 Column: - 120
"......" Line: 142 Column: - 135
"......" Line: 142 Column: - 137
"......" Line: 142 Column: - 142
"......" Line: 142 Column: - 150
"......" Line: 142 Column: - 156
"......" Line: 142 Column: - 167
"......" Line: 142 Column: - 172
"......"

Malformed byte sequence: “e4”.

Line: 16 Column: - 70
"......" Line: 20 Column: - 61
"......" Line: 20 Column: - 69
"......" Line: 20 Column: - 74
"......" Line: 20 Column: - 104
"......" Line: 21 Column: - 74
"......" Line: 21 Column: - 92
"......" Line: 21 Column: - 108
"......" Line: 22 Column: - 81
"......" Line: 22 Column: - 99
"......" Line: 22 Column: - 115
"......" Line: 28 Column: - 42
"......" Line: 134 Column: - 630
"......" Line: 134 Column: - 744
"......" Line: 134 Column: - 793
"......" Line: 139 Column: - 206
"......" Line: 140 Column: - 252
"......" Line: 141 Column: - 257
"......" Line: 142 Column: - 74
"......" Line: 142 Column: - 147
"......" Line: 142 Column: - 161
"......" Line: 142 Column: - 169
"......"

Malformed byte sequence: “ee”.

Line: 16 Column: - 74
"......" Line: 20 Column: - 48
"......" Line: 20 Column: - 55
"......" Line: 20 Column: - 57
"......" Line: 20 Column: - 65
"......" Line: 20 Column: - 70
"......" Line: 20 Column: - 89
"......" Line: 20 Column: - 93
"......" Line: 20 Column: - 103
"......" Line: 21 Column: - 53
"......" Line: 21 Column: - 57
"......" Line: 21 Column: - 68
"......" Line: 21 Column: - 78
"......" Line: 21 Column: - 83
"......" Line: 21 Column: - 107
"......" Line: 21 Column: - 110
"......" Line: 22 Column: - 60
"......" Line: 22 Column: - 64
"......" Line: 22 Column: - 75
"......" Line: 22 Column: - 85
"......" Line: 22 Column: - 90
"......" Line: 22 Column: - 114
"......" Line: 22 Column: - 117
"......" Line: 28 Column: - 46
"......" Line: 127 Column: - 215
"......" Line: 131 Column: - 22
"......" Line: 134 Column: - 42
"......" Line: 134 Column: - 44
"......" Line: 134 Column: - 94
"......" Line: 134 Column: - 96
"......" Line: 134 Column: - 147
"......" Line: 134 Column: - 319
"......" Line: 134 Column: - 373
"......" Line: 134 Column: - 524
"......" Line: 134 Column: - 796
"......" Line: 134 Column: - 845
"......" Line: 134 Column: - 896
"......" Line: 134 Column: - 947
"......" Line: 134 Column: - 949
"......" Line: 134 Column: - 1048
"......" Line: 134 Column: - 1101
"......" Line: 134 Column: - 1104
"......" Line: 134 Column: - 1106
"......" Line: 134 Column: - 1152
"......" Line: 134 Column: - 1205
"......" Line: 134 Column: - 1214
"......" Line: 134 Column: - 1264
"......" Line: 134 Column: - 1266
"......" Line: 134 Column: - 1320
"......" Line: 134 Column: - 1418
"......" Line: 134 Column: - 1420
"......" Line: 134 Column: - 1565
"......" Line: 134 Column: - 1567
"......" Line: 134 Column: - 1617
"......" Line: 134 Column: - 1619
"......" Line: 134 Column: - 1676
"......" Line: 139 Column: - 190
"......" Line: 139 Column: - 192
"......" Line: 139 Column: - 194
"......" Line: 139 Column: - 208
"......" Line: 139 Column: - 231
"......" Line: 139 Column: - 237
"......" Line: 140 Column: - 237
"......" Line: 140 Column: - 246
"......" Line: 140 Column: - 251
"......" Line: 140 Column: - 271
"......" Line: 140 Column: - 282
"......" Line: 140 Column: - 289
"......" Line: 141 Column: - 181
"......" Line: 141 Column: - 194
"......" Line: 141 Column: - 247
"......" Line: 141 Column: - 269
"......" Line: 141 Column: - 280
"......" Line: 141 Column: - 284
"......" Line: 141 Column: - 287
"......" Line: 142 Column: - 78
"......" Line: 142 Column: - 98
"......" Line: 142 Column: - 101
"......" Line: 142 Column: - 104
"......" Line: 142 Column: - 108
"......" Line: 142 Column: - 136
"......" Line: 142 Column: - 148
"......" Line: 142 Column: - 162
"......" Line: 142 Column: - 176
"......" Line: 142 Column: - 179
"......" Line: 142 Column: - 182
"......"

Malformed byte sequence: “f7”.

Line: 16 Column: - 77
"......" Line: 20 Column: - 106
"......" Line: 28 Column: - 49
"......" Line: 139 Column: - 216
"......" Line: 140 Column: - 265
"......" Line: 142 Column: - 81
"......"

Malformed byte sequence: “ed”.

Line: 16 Column: - 79
"......" Line: 20 Column: - 47
"......" Line: 20 Column: - 95
"......" Line: 21 Column: - 59
"......" Line: 21 Column: - 88
"......" Line: 21 Column: - 100
"......" Line: 21 Column: - 104
"......" Line: 21 Column: - 109
"......" Line: 22 Column: - 66
"......" Line: 22 Column: - 95
"......" Line: 22 Column: - 107
"......" Line: 22 Column: - 111
"......" Line: 22 Column: - 116
"......" Line: 28 Column: - 51
"......" Line: 127 Column: - 220
"......" Line: 134 Column: - 43
"......" Line: 134 Column: - 263
"......" Line: 134 Column: - 267
"......" Line: 134 Column: - 317
"......" Line: 134 Column: - 634
"......" Line: 134 Column: - 683
"......" Line: 134 Column: - 738
"......" Line: 134 Column: - 1263
"......" Line: 134 Column: - 1317
"......" Line: 134 Column: - 1468
"......" Line: 134 Column: - 1470
"......" Line: 134 Column: - 1618
"......" Line: 134 Column: - 1677
"......" Line: 139 Column: - 219
"......" Line: 139 Column: - 225
"......" Line: 139 Column: - 238
"......" Line: 139 Column: - 242
"......" Line: 140 Column: - 195
"......" Line: 140 Column: - 224
"......" Line: 140 Column: - 253
"......" Line: 140 Column: - 263
"......" Line: 140 Column: - 278
"......" Line: 140 Column: - 290
"......" Line: 141 Column: - 210
"......" Line: 141 Column: - 235
"......" Line: 141 Column: - 243
"......" Line: 141 Column: - 248
"......" Line: 141 Column: - 252
"......" Line: 141 Column: - 259
"......" Line: 141 Column: - 264
"......" Line: 141 Column: - 268
"......" Line: 141 Column: - 275
"......" Line: 141 Column: - 281
"......" Line: 142 Column: - 83
"......" Line: 142 Column: - 114
"......" Line: 142 Column: - 171
"......" Line: 142 Column: - 181
"......"

Malformed byte sequence: “f1”.

Line: 20 Column: - 42
"......" Line: 20 Column: - 54
"......" Line: 21 Column: - 67
"......" Line: 21 Column: - 94
"......" Line: 21 Column: - 113
"......" Line: 22 Column: - 74
"......" Line: 22 Column: - 101
"......" Line: 22 Column: - 120
"......" Line: 127 Column: - 217
"......" Line: 127 Column: - 223
"......" Line: 134 Column: - 39
"......" Line: 134 Column: - 371
"......" Line: 134 Column: - 944
"......" Line: 134 Column: - 1211
"......" Line: 134 Column: - 1318
"......" Line: 134 Column: - 1419
"......" Line: 134 Column: - 1471
"......" Line: 139 Column: - 173
"......" Line: 139 Column: - 174
"......" Line: 139 Column: - 210
"......" Line: 139 Column: - 234
"......" Line: 139 Column: - 235
"......" Line: 140 Column: - 219
"......" Line: 140 Column: - 259
"......" Line: 140 Column: - 262
"......" Line: 140 Column: - 280
"......" Line: 140 Column: - 286
"......" Line: 141 Column: - 283
"......" Line: 141 Column: - 285
"......" Line: 142 Column: - 117
"......" Line: 142 Column: - 139
"......" Line: 142 Column: - 149
"......" Line: 142 Column: - 166
"......"

Malformed byte sequence: “e2”.

Line: 20 Column: - 56
"......" Line: 21 Column: - 69
"......" Line: 22 Column: - 76
"......" Line: 134 Column: - 895
"......" Line: 134 Column: - 1213
"......" Line: 139 Column: - 191
"......" Line: 139 Column: - 195
"......" Line: 139 Column: - 203
"......" Line: 139 Column: - 209
"......" Line: 139 Column: - 247
"......" Line: 140 Column: - 178
"......" Line: 140 Column: - 192
"......" Line: 140 Column: - 276
"......" Line: 141 Column: - 267
"......" Line: 142 Column: - 109
"......" Line: 142 Column: - 152
"......" Line: 142 Column: - 175
"......"

Malformed byte sequence: “e9”.

Line: 20 Column: - 58
"......" Line: 21 Column: - 115
"......" Line: 22 Column: - 122
"......" Line: 127 Column: - 225
"......" Line: 127 Column: - 840
"......" Line: 139 Column: - 213
"......" Line: 139 Column: - 221
"......" Line: 139 Column: - 257
"......" Line: 140 Column: - 197
"......" Line: 140 Column: - 226
"......" Line: 141 Column: - 179
"......" Line: 141 Column: - 270
"......" Line: 142 Column: - 119
"......" Line: 142 Column: - 141
"......"

Malformed byte sequence: “f4”.

Line: 20 Column: - 79
"......" Line: 134 Column: - 151
"......" Line: 134 Column: - 318
"......" Line: 134 Column: - 1421
"......" Line: 139 Column: - 176
"......" Line: 139 Column: - 232
"......" Line: 139 Column: - 251
"......" Line: 141 Column: - 241
"......"

Malformed byte sequence: “d7”.

Line: 21 Column: - 35
"......" Line: 22 Column: - 42
"......"

Malformed byte sequence: “fc”.

Line: 21 Column: - 40
"......" Line: 22 Column: - 47
"......" Line: 134 Column: - 422
"......" Line: 134 Column: - 1210
"......" Line: 139 Column: - 241
"......" Line: 140 Column: - 188
"......" Line: 140 Column: - 223
"......" Line: 141 Column: - 209
"......" Line: 141 Column: - 251
"......" Line: 142 Column: - 112
"......"

Malformed byte sequence: “fb”.

Line: 21 Column: - 60
"......" Line: 21 Column: - 70
"......" Line: 21 Column: - 80
"......" Line: 21 Column: - 89
"......" Line: 22 Column: - 67
"......" Line: 22 Column: - 77
"......" Line: 22 Column: - 87
"......" Line: 22 Column: - 96
"......" Line: 134 Column: - 216
"......" Line: 134 Column: - 1472
"......" Line: 139 Column: - 220
"......" Line: 139 Column: - 243
"......" Line: 140 Column: - 196
"......" Line: 140 Column: - 225
"......" Line: 141 Column: - 211
"......"

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 6 Column: 1 - 40
"... <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "https://www.w3.org/TR/html4/loose.dtd"> <htm..."

Internal encoding declaration “windows-1251” disagrees with the actual encoding of the document (“utf-8”).

Line: 10 Column: 1 - 74
"..."> <head> <meta http-equiv="Content-Type" content="text/html; charset=windows-1251"> <meta..."

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Line: 12 Column: 1 - 58
"...able=no"> <meta http-equiv="Cache-Control" content="max-age=9800" /> <meta..."

Bad value “PRAGMA” for attribute “http-equiv” on element “meta”.

Line: 13 Column: 1 - 47
"...=9800" /> <meta HTTP-EQUIV="PRAGMA" CONTENT="NO-CACHE" /> <meta..."

Malformed byte sequence: “e7”.

Line: 21 Column: - 87
"......" Line: 22 Column: - 94
"......" Line: 134 Column: - 215
"......" Line: 134 Column: - 1366
"......" Line: 139 Column: - 193
"......" Line: 140 Column: - 238
"......" Line: 140 Column: - 294
"......" Line: 141 Column: - 292
"......" Line: 142 Column: - 177
"......"

Bad value “x” for attribute “hreflang” on element “link”: No subtags in private use sequence.

Line: 24 Column: 1 - 55
"...20-b4" /> <link rel="alternate" hreflang="x" href="alternateURL"> <lin..."

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Line: 102 Column: 1 - 82
"...tons --> <table width="1200" border="0" cellpadding="0" cellspacing="0" class="tableclass"> <tr..."

The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.

Line: 102 Column: 1 - 82
"...tons --> <table width="1200" border="0" cellpadding="0" cellspacing="0" class="tableclass"> <tr..."

The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.

Line: 102 Column: 1 - 82
"...tons --> <table width="1200" border="0" cellpadding="0" cellspacing="0" class="tableclass"> <tr..."

The “border” attribute on the “table” element is obsolete. Use CSS instead.

Line: 102 Column: 1 - 82
"...tons --> <table width="1200" border="0" cellpadding="0" cellspacing="0" class="tableclass"> <tr..."

The “width” attribute on the “td” element is obsolete. Use CSS instead.

Line: 104 Column: 7 - 33
"...s"> <tr> <td width="200" valign="top"><a hre..." Line: 105 Column: 109 - 34
"...></a></td> <td width="1000" valign="top"> ..."

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Line: 104 Column: 7 - 33
"...s"> <tr> <td width="200" valign="top"><a hre..." Line: 105 Column: 109 - 34
"...></a></td> <td width="1000" valign="top"> ..." Line: 120 Column: 13 - 47
"...</tr> <tr> <td rowspan="2" valign="top" class="fontd"> <cen..."

The “align” attribute on the “img” element is obsolete. Use CSS instead.

Line: 104 Column: 46 - 99
"... href="/"><img src="/img/log.jpg" align="top" alt="��.��" ></a></..."

The “center” element is obsolete. Use CSS instead.

Line: 108 Column: 4 - 11
"...r><br> <center> <..." Line: 121 Column: 2 - 9
"..."fontd"> <center> <!--..." Line: 130 Column: 10 - 17
"... <noindex><center><a hre..."

Element “noindex” not allowed as child of element “center” in this context. (Suppressing further errors from this subtree.)

Line: 109 Column: 5 - 13
"...nter> <noindex> <..."

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 110 Column: 5 - 134
"...ndex> <iframe src="https://assist.multiwork.org/fast-form.aspx?from=lektsii" width="600px" height="90px" scrolling="no" frameborder="0"></ifra..."

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Line: 110 Column: 5 - 134
"...ndex> <iframe src="https://assist.multiwork.org/fast-form.aspx?from=lektsii" width="600px" height="90px" scrolling="no" frameborder="0"></ifra..."

Malformed byte sequence: “cf”.

Line: 127 Column: - 214
"......" Line: 134 Column: - 791
"......" Line: 134 Column: - 844
"......" Line: 134 Column: - 892
"......" Line: 134 Column: - 943
"......" Line: 140 Column: - 174
"......"

Malformed byte sequence: “cd”.

Line: 127 Column: - 838
"......" Line: 141 Column: - 177
"......"

Malformed byte sequence: “ca”.

Line: 131 Column: - 17
"......" Line: 134 Column: - 419
"......" Line: 139 Column: - 170
"......"

Malformed byte sequence: “c0”.

Line: 134 Column: - 38
"......" Line: 140 Column: - 182
"......" Line: 140 Column: - 200
"......"

Malformed byte sequence: “c1”.

Line: 134 Column: - 92
"......"

Malformed byte sequence: “c3”.

Line: 134 Column: - 145
"......"

Malformed byte sequence: “c4”.

Line: 134 Column: - 207
"......" Line: 142 Column: - 97
"......"

Malformed byte sequence: “c8”.

Line: 134 Column: - 262
"......" Line: 134 Column: - 316
"......" Line: 134 Column: - 370
"......"

Element “style” not allowed as child of element “center” in this context. (Suppressing further errors from this subtree.)

Line: 127 Column: 859 - 881
"...orm></div><style type="text/css">.ya-pa..."

Element “noindex” not allowed as child of element “td” in this context. (Suppressing further errors from this subtree.)

Line: 130 Column: 1 - 9
"...</center> <noindex><cente..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 130 Column: 67 - 94
"...nofollow"><img src="/img/button1.png"></a></..."

Malformed byte sequence: “cc”.

Line: 134 Column: - 574
"......" Line: 134 Column: - 628
"......" Line: 134 Column: - 679
"......"

Malformed byte sequence: “f5”.

Line: 134 Column: - 681
"......" Line: 134 Column: - 735
"......" Line: 134 Column: - 946
"......" Line: 134 Column: - 1262
"......" Line: 139 Column: - 244
"......"

Malformed byte sequence: “d0”.

Line: 134 Column: - 995
"......" Line: 134 Column: - 1045
"......"

Malformed byte sequence: “d1”.

Line: 134 Column: - 1100
"......" Line: 134 Column: - 1150
"......" Line: 134 Column: - 1202
"......" Line: 139 Column: - 202
"......" Line: 140 Column: - 190
"......" Line: 141 Column: - 227
"......"

Malformed byte sequence: “d2”.

Line: 134 Column: - 1260
"......" Line: 134 Column: - 1314
"......"

Malformed byte sequence: “d4”.

Line: 134 Column: - 1364
"......" Line: 134 Column: - 1415
"......" Line: 134 Column: - 1466
"......"

Malformed byte sequence: “d5”.

Line: 134 Column: - 1514
"......"

Malformed byte sequence: “dd”.

Line: 134 Column: - 1563
"......" Line: 134 Column: - 1615
"......" Line: 134 Column: - 1670
"......" Line: 142 Column: - 134
"......"

Malformed byte sequence: “fd”.

Line: 139 Column: - 184
"......"

Malformed byte sequence: “e6”.

Line: 140 Column: - 231
"......" Line: 142 Column: - 105
"......" Line: 142 Column: - 160
"......" Line: 142 Column: - 180
"......"

Malformed byte sequence: “f9”.

Line: 141 Column: - 195
"......"

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 11 Column: 1 - 107
"...ws-1251"> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> <meta..."

NON-DOCUMENT-ERROR

Too many messages.

Line: Column: -
"......"

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lektsii.org Ping

Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.

lektsii.org TRACEROUTE

Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.

LEKTSII.ORG Лекции.Орг - публикация материала для обучения

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priority - 16Optimize images

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priority - 8Prioritize visible content

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priority - 3Leverage browser caching

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lektsii.org HTML validation

Errors

Malformed byte sequence: “cb”.

Malformed byte sequence: “e5”.

Malformed byte sequence: “ea”.

Malformed byte sequence: “f6”.

Malformed byte sequence: “e8”.

Malformed byte sequence: “ce”.

Malformed byte sequence: “f0”.

Malformed byte sequence: “e3”.

Malformed byte sequence: “ef”.

Malformed byte sequence: “f3”.

Malformed byte sequence: “e1”.

Malformed byte sequence: “eb”.

Malformed byte sequence: “e0”.

Malformed byte sequence: “ff”.

Malformed byte sequence: “ec”.

Malformed byte sequence: “f2”.

Malformed byte sequence: “e4”.

Malformed byte sequence: “ee”.

Malformed byte sequence: “f7”.

Malformed byte sequence: “ed”.

Malformed byte sequence: “f1”.

Malformed byte sequence: “e2”.

Malformed byte sequence: “e9”.

Malformed byte sequence: “f4”.

Malformed byte sequence: “d7”.

Malformed byte sequence: “fc”.

Malformed byte sequence: “fb”.

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Internal encoding declaration “windows-1251” disagrees with the actual encoding of the document (“utf-8”).

Bad value “Cache-Control” for attribute “http-equiv” on element “meta”.

Bad value “PRAGMA” for attribute “http-equiv” on element “meta”.

Malformed byte sequence: “e7”.

Bad value “x” for attribute “hreflang” on element “link”: No subtags in private use sequence.

The “width” attribute on the “table” element is obsolete. Use CSS instead.